AEHR / Aehr Test Systems, Inc. - SEC-arkiveringar, Årsredovisning, Fullmaktsutlåtande

Aehr Test Systems, Inc.
US ˙ NasdaqCM ˙ US00760J1088

Grundläggande statistik
LEI 529900A4GWWZFRU2RE97
CIK 1040470
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Aehr Test Systems, Inc.
SEC Filings (Chronological Order)
Denna sida innehåller en komplett, kronologisk lista över SEC-arkiveringar, exklusive ägande-arkiveringar som vi tillhandahåller på andra ställen.
April 20, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 17, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 17, 2026 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

April 8, 2026 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 27, 2026 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-22893 AEHR TEST SYSTEMS

April 8, 2026 424B5

Up to $60,000,000 COMMON STOCK

Filed Pursuant to Rule 424(b)(5) Registration No. 333-282661 PROSPECTUS SUPPLEMENT (To prospectus dated October 25, 2024) Up to $60,000,000 COMMON STOCK We have entered into an Equity Distribution Agreement, or Sales Agreement, with William Blair & Company, L.L.C., or William Blair, and Craig-Hallum Capital Group LLC, or Craig-Hallum, dated April 8, 2026, relating to the sale of shares of our comm

April 8, 2026 EX-1.1

AEHR TEST SYSTEMS EQUITY DISTRIBUTION AGREEMENT

EXHIBIT 1.1 AEHR TEST SYSTEMS EQUITY DISTRIBUTION AGREEMENT April 8, 2026 William Blair & Company, L.L.C. 150 North Riverside Plaza Chicago, IL 60606 Craig-Hallum Capital Group LLC 323 N. Washington Ave., Suite 300 Minneapolis, MN 55401 Ladies and Gentlemen: Aehr Test Systems, a California corporation (collectively with its subsidiaries and affiliates, including, without limitation, all entities d

April 8, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 8, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 8, 2026 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

April 7, 2026 EX-99.1

Aehr Test Systems Reports Over $37 Million in Quarterly Bookings Driven by Strong AI and Data Center Infrastructure Demand

EXHIBIT 99.1 Contacts: Aehr Test Systems Chris Siu Chief Financial Officer [email protected] PondelWilkinson, Inc. Todd Kehrli or Jim Byers Investor Contact [email protected] [email protected] Aehr Test Systems Reports Over $37 Million in Quarterly Bookings Driven by Strong AI and Data Center Infrastructure Demand Fremont, CA (April 7, 2026) – Aehr Test Systems (NASDAQ: AEHR), a leading provider of t

April 7, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 7, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 7, 2026 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

January 12, 2026 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 28, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-22893 AEHR TEST SYSTEMS

January 8, 2026 EX-99.1

Aehr Test Systems Reports Fiscal 2026 Second Quarter Financial Results and Reinstates Guidance Driven by Improved Visibility for AI Processor and Data Center Semiconductor Test and Burn-In Systems

EXHIBIT 99.1 Contacts: Aehr Test Systems Chris Siu Chief Financial Officer [email protected] PondelWilkinson, Inc. Todd Kehrli or Jim Byers Investor Contact [email protected] [email protected] Aehr Test Systems Reports Fiscal 2026 Second Quarter Financial Results and Reinstates Guidance Driven by Improved Visibility for AI Processor and Data Center Semiconductor Test and Burn-In Systems Fremont, CA (

January 8, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 8, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 8, 2026 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

November 7, 2025 EX-10.1

AMENDMENT TO AEHR TEST SYSTEMS AMENDED AND RESTATED 2006 EMPLOYEE STOCK PURCHASE PLAN

EXHIBIT 10.1 AMENDMENT TO AEHR TEST SYSTEMS AMENDED AND RESTATED 2006 EMPLOYEE STOCK PURCHASE PLAN THIS AMENDMENT TO AEHR TEST SYSTEMS AMENDED AND RESTATED 2006 EMPLOYEE STOCK PURCHASE PLAN (this “Amendment”), is made and adopted by the Board of Directors (the “Board”) of Aehr Test Systems, a California corporation (the “Company”), effective as of October 21, 2025 (the “Amendment Effective Date”).

November 7, 2025 EX-FILING FEES

Calculation of Filing Fee Table Form S-8 (Form Type) Aehr Test Systems (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

EXHIBIT 107.1 Calculation of Filing Fee Table Form S-8 (Form Type) Aehr Test Systems (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common stock, $0.01 par value

November 7, 2025 S-8

As filed with the Securities and Exchange Commission on November 7, 2025

As filed with the Securities and Exchange Commission on November 7, 2025 Registration No.

November 7, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 21, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 21, 2025 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fil

November 7, 2025 EX-10.2

FIRST AMENDMENT TO AEHR TEST SYSTEMS 2023 EQUITY INCENTIVE PLAN

EXHIBIT 10.2 FIRST AMENDMENT TO AEHR TEST SYSTEMS 2023 EQUITY INCENTIVE PLAN THIS FIRST AMENDMENT TO AEHR TEST SYSTEMS 2023 EQUITY INCENTIVE PLAN (this “First Amendment”), is made and adopted by the Board of Directors (the “Board”) of Aehr Test Systems, a California corporation (the “Company”), effective as of October 21, 2025 (the “Amendment Effective Date”). Capitalized terms used but not otherw

October 21, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 20, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 20, 2025 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fil

October 9, 2025 144

144

144 0001228855 XXXXXXXX LIVE 0001040470 AEHR TEST SYSTEMS 000-22893 400 KATO TERRACE FREMONT CA 94539 5106239400 DANESH FARIBA Director common Oppenheimer & Co Inc 85 Broad Street New York NY 10004 2665 66278.00 30006590 10/09/2025 NASDAQ common 04/18/2023 Compensation Issuer N 2665 04/18/2023 N/A Y 10/09/2025 Fariba Danesh

October 9, 2025 144

144

144 0001228855 XXXXXXXX LIVE 0001040470 AEHR TEST SYSTEMS 000-22893 400 KATO TERRACE FREMONT CA 94539 5106239400 DANESH FARIBA Director Common Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917 6335 156823.

October 8, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended August 29, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-22893 AEHR TEST SYSTEMS (E

October 6, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 6, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 6, 2025 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

October 6, 2025 EX-99.1

Aehr Test Systems Reports Fiscal 2026 First Quarter Financial Results; Strong AI and Data Center-Related Semiconductor Test and Burn-in Activity Underscores Multi-Year Market Opportunity

EXHIBIT 99.1 Contacts: Aehr Test Systems PondelWilkinson, Inc. Chris Siu Chief Financial Officer [email protected] Todd Kehrli or Jim Byers Investor Contact [email protected] [email protected] Aehr Test Systems Reports Fiscal 2026 First Quarter Financial Results; Strong AI and Data Center-Related Semiconductor Test and Burn-in Activity Underscores Multi-Year Market Opportunity Fremont, CA (October 6,

September 29, 2025 ARS

ARS

September 10, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defin

July 28, 2025 EX-19.1

Aehr Test Systems Insider Trading Policy (filed herewith).

EXHIBIT 19.1 INSIDER TRADING POLICY I. PURPOSE Aehr Test Systems (together with its subsidiaries, the “Company”) has adopted this Insider Trading Policy (this “Policy”) to help its directors, officers and employees comply with insider trading laws, to prevent even the appearance of improper insider trading and to promote compliance with the Company’s obligation under Item 408 of Regulation S-K to

July 28, 2025 EX-21.1

Subsidiaries of the Company.

Exhibit 21.1 SUBSIDIARIES OF AEHR TEST SYSTEMS 1. Aehr Test Systems GmbH, incorporated in Germany 2. Aehr Test Systems Philippines Inc., incorporated in Philippines 3. Aehr Test Systems Japan Limited., incorporated in Japan

July 28, 2025 EX-3.2

Amended and Restated Bylaws of Registrant.

EXHIBIT 3.2 BY-LAWS OF AEHR TEST SYSTEMS (As Amended as of February 24, 2025) ARTICLE I CORPORATE OFFICES 1.1 PRINCIPAL OFFICE. The board of directors shall fix the location of the principal executive office of the corporation at any place within or outside the State of California. If the principal executive office is located outside such state, and the corporation has one or more business offices

July 28, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended May 30, 2025 or ☐ Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number: 000-22893 AEHR TEST SYSTEMS (

July 8, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 8, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 8, 2025 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File Nu

July 8, 2025 EX-99.1

Aehr Test Systems Reports Fiscal 2025 Fourth Quarter and Full Year Financial Results; Expands Total Addressable Market and Diversifies Customer Base

EXHIBIT 99.1 Contacts: Aehr Test Systems Chris Siu Chief Financial Officer [email protected] PondelWilkinson, Inc. Todd Kehrli or Jim Byers Investor Contact [email protected] [email protected] Aehr Test Systems Reports Fiscal 2025 Fourth Quarter and Full Year Financial Results; Expands Total Addressable Market and Diversifies Customer Base Fremont, CA (July 8, 2025) – Aehr Test Systems (NASDAQ: AEHR)

April 10, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 28, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-22893 AEHR TEST SYSTEMS

April 10, 2025 EX-31.02

Certification of the principal financial and accounting officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.†

EXHIBIT 31.02 CERTIFICATIONS I, Chris P. Siu, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Aehr Test Systems; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect

April 10, 2025 EX-31.01

Certification of the principal executive officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.†

EXHIBIT 31.01 CERTIFICATIONS I, Gayn Erickson, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Aehr Test Systems; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect

April 10, 2025 EX-32.01

Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**

EXHIBIT 32.01 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Aehr Test Systems (the “Company”) on Form 10-Q for the quarter ended February 28, 2025, as filed with the Securities and Exchange Commission on April 10, 2025 (the “Report”), I, Gayn Erickson, President and Chief Executive O

April 10, 2025 EX-32.02

Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**

EXHIBIT 32.02 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Aehr Test Systems (the “Company”) on Form 10-Q for the quarter ended February 28, 2025 as filed with the Securities and Exchange Commission on April 10, 2025 (the “Report”), I, Chris P. Siu, Executive Vice President of Finan

April 8, 2025 EX-99.1

Aehr Test Systems Reports Fiscal 2025 Third Quarter Revenue Growth and Solid Bookings and Backlog Company temporarily withdraws guidance due to ongoing tariff uncertainty

EXHIBIT 99.1 Contacts: Aehr Test Systems PondelWilkinson, Inc. Chris Siu Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact [email protected] [email protected] Aehr Test Systems Reports Fiscal 2025 Third Quarter Revenue Growth and Solid Bookings and Backlog Company temporarily withdraws guidance due to ongoing tariff uncertainty Fremont, CA (April 8, 2025) – Aehr Test Syste

April 8, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 8, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 8, 2025 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

February 28, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 24, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 24, 2025 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fi

February 28, 2025 EX-3.1

Amended and Restated Bylaws of Aehr Test Systems

EXHIBIT 3.1 BY-LAWS OF AEHR TEST SYSTEMS (As Amended as of [ - ]) ARTICLE I CORPORATE OFFICES 1.1 PRINCIPAL OFFICE. The board of directors shall fix the location of the principal executive office of the corporation at any place within or outside the State of California. If the principal executive office is located outside such state, and the corporation has one or more business offices in such sta

January 13, 2025 EX-99.1

Aehr Test Systems Reports Fiscal 2025 Second Quarter Financial Results and Reiterates Full Year Financial Guidance

EXHIBIT 99.1 Contacts: Aehr Test Systems PondelWilkinson, Inc. Chris Siu Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact [email protected] [email protected] [email protected] Aehr Test Systems Reports Fiscal 2025 Second Quarter Financial Results and Reiterates Full Year Financial Guidance Fremont, CA (January 13, 2025) – Aehr Test Systems (NASDAQ: AEHR), a worldwide supplier

January 13, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 29, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-22893 AEHR TEST SYSTEMS

January 13, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 13, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 13, 2025 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fil

November 12, 2024 SC 13G/A

AEHR / Aehr Test Systems / VANGUARD GROUP INC Passive Investment

SC 13G/A 1 UnitedStates13GAehrTestSy.txt 240.13d-102 Schedule 13G - Information to be included in statements filed pursuant to 240.13d-1(b), (c), and (d) and amendments thereto filed pursuant to 240.13d-2. Securities and Exchange Commission, Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* (Name of Issuer) Aehr Test Systems (Title of Class of Securit

November 7, 2024 SC 13G

AEHR / Aehr Test Systems / FMR LLC Passive Investment

SC 13G 1 filing.txt SCHEDULE 13G Amendment No.0 AEHR TEST SYSTEMS COMMON STOCK Cusip #00760J108 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Cusip #00760J108 Item 1: Reporting Person - FMR LLC Item 2: (a) [ ] (b) [ ] Item 4: Delaware Item 5: 2,617,852 Item 6: 0 Item 7: 2,619,108 Item 8: 0 Item 9: 2,6

November 7, 2024 SC 13G/A

AEHR / Aehr Test Systems / FMR LLC Passive Investment

SC 13G/A 1 filing.txt SCHEDULE 13G Amendment No.1 AEHR TEST SYSTEMS COMMON STOCK Cusip #00760J108 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Cusip #00760J108 Item 1: Reporting Person - FMR LLC Item 2: (a) [ ] (b) [ ] Item 4: Delaware Item 5: 3,052,442 Item 6: 0 Item 7: 3,053,993 Item 8: 0 Item 9: 3

November 4, 2024 SC 13G

AEHR / Aehr Test Systems / VANGUARD GROUP INC Passive Investment

SC 13G 1 UnitedStates13GAehrTestSy.txt 240.13d-102 Schedule 13G - Information to be included in statements filed pursuant to 240.13d-1(b), (c), and (d) and amendments thereto filed pursuant to 240.13d-2. Securities and Exchange Commission, Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* (Name of Issuer) Aehr Test Systems (Title of Class of Securitie

October 29, 2024 424B5

Up to $40,000,000 COMMON STOCK

Filed Pursuant to Rule 424(b)(5) Registration No. 333-282661 PROSPECTUS SUPPLEMENT (To prospectus dated October 25, 2024) Up to $40,000,000 COMMON STOCK We have entered into an Open Market Sale AgreementSM, or sales agreement, with Jefferies LLC (“Jefferies”), dated October 15, 2024, relating to the sale of shares of our common stock offered by this prospectus supplement and the accompanying prosp

October 23, 2024 CORRESP

Aehr Test Systems 400 Kato Terrace Fremont, California 94539

Aehr Test Systems 400 Kato Terrace Fremont, California 94539 October 23, 2024 Via EDGAR Transmission Securities and Exchange Commission Division of Corporation Finance Mail Stop 3010 100 F Street, N.

October 22, 2024 LETTER

LETTER

October 22, 2024 Gayn Erickson President and Chief Executive Officer Aehr Test Systems 400 Kato Terrace Fremont, CA 94539 Re: Aehr Test Systems Registration Statement on Form S-3 Filed October 15, 2024 File No.

October 22, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 21, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 21, 2024 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fil

October 15, 2024 EX-4.3

Form of Indenture.

EXHIBIT 4.3 Aehr Test Systems INDENTURE Dated as of [], 20[] [] Trustee TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions. 1 Section 1.2. Other Definitions. 5 Section 1.3. Incorporation by Reference of Trust Indenture Act. 5 Section 1.4. Rules of Construction. 5 ARTICLE II. THE SECURITIES 6 Section 2.1. Issuable in Series. 6 Section 2.2. Establ

October 15, 2024 S-3

As filed with the Securities and Exchange Commission on October 15, 2024

As filed with the Securities and Exchange Commission on October 15, 2024 Registration No.

October 15, 2024 EX-1.2

Open Market Sale Agreement, dated as of October 15, 2024, by and between the Company and Jefferies LLC.

EXHIBIT 1.2 OPEN MARKET SALE AGREEMENTSM October 15, 2024 JEFFERIES LLC 520 Madison Avenue New York, New York 10022 Ladies and Gentlemen: Aehr Test Systems, a California corporation (the “Company”), proposes, subject to the terms and conditions stated herein, to issue and sell from time to time through Jefferies LLC, as sales agent and/or principal (the “Agent”), shares of the Company’s common sto

October 15, 2024 EX-FILING FEES

Filing Fee Table.

EXHIBIT 107 Calculation of Filing Fee Tables 424(b)(5) (Form Type) Aehr Test Systems (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Newly Registered Securities Fees to Be Paid Equity Common Stock, $0.

October 11, 2024 EX-32.02

Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**

Exhibit 32.02 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Aehr Test Systems (the “Company”) on Form 10-Q for the quarter ended August 30, 2024 as filed with the Securities and Exchange Commission on October 11, 2024 (the “Report”), I, Chris P. Siu, Executive Vice President of Finan

October 11, 2024 EX-31.01

Certification of the principal executive officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.†

EXHIBIT 31.01 CERTIFICATIONS I, Gayn Erickson, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Aehr Test Systems; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect

October 11, 2024 EX-31.02

Certification of the principal financial and accounting officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.†

EXHIBIT 31.02 CERTIFICATIONS I, Chris P. Siu, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Aehr Test Systems; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect

October 11, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended August 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-22893 AEHR TEST SYSTEMS (E

October 11, 2024 EX-32.01

Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**

EXHIBIT 32.01 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Aehr Test Systems (the “Company”) on Form 10-Q for the quarter ended August 30, 2024, as filed with the Securities and Exchange Commission on October 11, 2024 (the “Report”), I, Gayn Erickson, President and Chief Executive O

October 10, 2024 EX-99.1

Aehr Test Systems Reports Fiscal 2025 First Quarter Financial Results and Reaffirms Full-Year Guidance

EXHIBIT 99.1 Contacts: Aehr Test Systems MKR Investor Relations Inc. Chris Siu Chief Financial Officer [email protected] Todd Kehrli or Jim Byers Analyst/Investor Contact (323) 468-2300 [email protected] Aehr Test Systems Reports Fiscal 2025 First Quarter Financial Results and Reaffirms Full-Year Guidance Fremont, CA (October 10, 2024) – Aehr Test Systems (NASDAQ: AEHR), a worldwide supplier of semic

October 10, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 10, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 10, 2024 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fil

September 11, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defin

September 6, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 31, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 31, 2024 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

September 6, 2024 EX-10.1

Change in Control and Severance Agreement, dated August 31, 2024

EXHIBIT 10.1 AEHR TEST SYSTEMS CHANGE IN CONTROL AND SEVERANCE AGREEMENT This Change in Control and Severance Agreement (the “Agreement”) is made and entered into effective as of [], 2024 (the “Effective Date”), by and between [] (the “Employee”) and Aehr Test Systems, a California corporation (the “Company”), and supersedes in its entirety that certain Change of Control Severance Agreement betwee

August 1, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 31, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 31, 2024 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

July 30, 2024 EX-97

Aehr Test Systems Policy for Recovery of Erroneously Awarded Compensation, effective as of August 14, 2023

EXHIBIT 97 AEHR TEST SYSTEMS POLICY FOR RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION Aehr Test Systems, a California corporation (the “Company”) has adopted this Policy for Recovery of Erroneously Awarded Compensation (the “Policy”), effective as of August 14, 20231 (the “Effective Date”).

July 30, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended May 31, 2024 or ☐ Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number: 000-22893 AEHR TEST SYSTEMS (

July 16, 2024 EX-10.1

Stock Purchase Agreement, dated July 15, 2024*

EXHIBIT 10.1 STOCK PURCHASE AGREEMENT by and among AEHR TEST SYSTEMS, INCAL TECHNOLOGY, INC., SELLERS and the SELLER REPRESENTATIVE TABLE OF CONTENTS Page ARTICLE I. PURCHASE AND SALE OF THE SHARES 1 1.1 Closing Payment Certificate; Calculation of Purchase Price 1 1.2 Treatment of Company Options. 2 1.3 Escrow Amount 2 1.4 The Closing; Deliverables; Payments 2 1.5 Post-Closing Adjustments to Estim

July 16, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 11, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 11, 2024 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

July 16, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 15, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 15, 2024 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

July 16, 2024 EX-99.1

Aehr Test Systems Reports Fiscal 2024 Fourth Quarter and Full Year Financial Results and Provides Fiscal 2025 Full Year Financial Guidance

EXHIBIT 99.1 Contacts: Aehr Test Systems MKR Investor Relations Inc. Chris Siu Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact [email protected] (323) 468-2300 [email protected] Aehr Test Systems Reports Fiscal 2024 Fourth Quarter and Full Year Financial Results and Provides Fiscal 2025 Full Year Financial Guidance Fremont, CA (July 16, 2024) – Aehr Test Systems (NASDAQ: AEH

July 16, 2024 EX-99.1

Aehr Test Systems to Acquire Incal Technology, Expanding its Addressable Market Within the Rapidly Growing AI Semiconductor Market

EXHIBIT 99.1 Contacts: Aehr Test Systems MKR Investor Relations Inc. Chris Siu Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact [email protected] (323) 468-2300 : [email protected] Aehr Test Systems to Acquire Incal Technology, Expanding its Addressable Market Within the Rapidly Growing AI Semiconductor Market Fremont, CA (July 16, 2024) – Aehr Test Systems (NASDAQ: AEHR), a

July 9, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 9, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 9, 2024 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

July 9, 2024 EX-99.1

Aehr Test Systems Provides Preliminary Financial Results for its Fiscal Fourth Quarter and Full Year Ended May 31, 2024 Ahead of CEO Investor Summit

EXHIBIT 99.1 Contacts: Aehr Test Systems MKR Investor Relations Inc. Chris Siu Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Systems Provides Preliminary Financial Results for its Fiscal Fourth Quarter and Full Year Ended May 31, 2024 Ahead of CEO Investor Summit Fremont, CA (July 9, 2024) – Aehr Test Syste

May 29, 2024 EX-99.1

Aehr Test Systems Corporate Presentation - May 2024.

EXHIBIT 99.1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

May 29, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 29, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 29, 2024 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

April 10, 2024 EX-31.02

Certification of the principal financial and accounting officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.†

EXHIBIT 31.02 CERTIFICATIONS I, Chris P. Siu, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Aehr Test Systems; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect

April 10, 2024 EX-31.02

Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**

EXHIBIT 32.02 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Aehr Test Systems (the “Company”) on Form 10-Q for the quarter ended February 29, 2024 as filed with the Securities and Exchange Commission on April 10, 2024 (the “Report”), I, Chris P. Siu, Executive Vice President of Finan

April 10, 2024 EX-31.01

Certification of the principal executive officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.†

EXHIBIT 31.01 CERTIFICATIONS I, Gayn Erickson, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Aehr Test Systems; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect

April 10, 2024 EX-32.01

Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**

EXHIBIT 32.01 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Aehr Test Systems (the “Company”) on Form 10-Q for the quarter ended February 29, 2024, as filed with the Securities and Exchange Commission on April 10, 2024 (the “Report”), I, Gayn Erickson, President and Chief Executive O

April 10, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 29, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-22893 AEHR TEST SYSTEMS

April 9, 2024 EX-99.1

Aehr Test Systems Reports Third Quarter Fiscal 2024 Financial Results and Reiterates Fiscal 2024 Full Year Financial Guidance

EXHIBIT 99.1 Contacts: Aehr Test Systems MKR Investor Relations Inc. Chris Siu Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact [email protected] (323) 468-2300 [email protected] Aehr Test Systems Reports Third Quarter Fiscal 2024 Financial Results and Reiterates Fiscal 2024 Full Year Financial Guidance Fremont, CA (April 9, 2024) – Aehr Test Systems (NASDAQ: AEHR), a worldwi

April 9, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 9, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 9, 2024 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

February 13, 2024 SC 13G

AEHR / Aehr Test Systems / VANGUARD GROUP INC - SCHEDULE 13G Passive Investment

SC 13G 1 tv0194-aehrtestsystems.htm SCHEDULE 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 Name of issuer: Aehr Test Systems Title of Class of Securities: Common Stock CUSIP Number: 00760J108 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pursuant to whic

February 6, 2024 SC 13G/A

AEHR / Aehr Test Systems / GOLDMAN SACHS GROUP INC Passive Investment

SC 13G/A 1 AEHR.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* AEHR TEST SYSTEMS - (Name of Issuer) Common Stock, par value $0.01 per share - (Title of Class of Securities) 00760J108 - (CUSIP Number) December 29, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate

January 26, 2024 SC 13G

AEHR / Aehr Test Systems / BlackRock Inc. Passive Investment

SC 13G 1 us00760j1088012624.txt us00760j1088012624.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: ) AEHR TEST SYSTEMS - (Name of Issuer) Common Stock - (Title of Class of Securities) 00760J108 - (CUSIP Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to

January 12, 2024 EX-32.02

Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**

EXHIBIT 32.02 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Aehr Test Systems (the “Company”) on Form 10-Q for the quarter ended November 30, 2023 as filed with the Securities and Exchange Commission on January 12, 2024 (the “Report”), I, Chris P. Siu, Executive Vice President of Fin

January 12, 2024 EX-31.02

Certification of the principal financial and accounting officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.†

EXHIBIT 31.02 CERTIFICATIONS I, Chris P. Siu, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Aehr Test Systems; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect

January 12, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-22893 AEHR TEST SYSTEMS

January 12, 2024 EX-32.01

Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**

EXHIBIT 32.01 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Aehr Test Systems (the “Company”) on Form 10-Q for the quarter ended November 30, 2023, as filed with the Securities and Exchange Commission on January 12, 2024 (the “Report”), I, Gayn Erickson, President and Chief Executive

January 12, 2024 EX-31.01

Certification of the principal executive officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.†

EXHIBIT 31.01 CERTIFICATIONS I, Gayn Erickson, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Aehr Test Systems; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect

January 10, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 10, 2024 AEHR TEST SYSTEMS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 10, 2024 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fil

January 9, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 9, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 9, 2024 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

January 9, 2024 EX-99.1

Aehr Reports Strong Revenue and Earnings Growth for the Second Quarter and First Six Months of Fiscal 2024 Revises full-year fiscal 2024 guidance for revenue to be between $75 million and $85 million, and GAAP net income of between 20% and 25% of rev

EXHIBIT 99.1 Contacts: Aehr Test Systems MKR Investor Relations Inc. Chris Siu Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact [email protected] (323) 468-2300 [email protected] Aehr Reports Strong Revenue and Earnings Growth for the Second Quarter and First Six Months of Fiscal 2024 Revises full-year fiscal 2024 guidance for revenue to be between $75 million and $85 million

October 27, 2023 S-8

As filed with the Securities and Exchange Commission on October 27, 2023

As filed with the Securities and Exchange Commission on October 27, 2023 Registration No.

October 27, 2023 EX-99.1

2023 Equity Incentive Plan

EXHIBIT 99.1 AEHR TEST SYSTEMS 2023 EQUITY INCENTIVE PLAN ARTICLE I. PURPOSE The Plan’s purpose is to enhance the Company’s ability to attract, retain and motivate persons who make (or are expected to make) important contributions to the Company by providing these individuals with equity ownership opportunities. ARTICLE II. DEFINITIONS As used in the Plan, the following words and phrases have the

October 27, 2023 EX-FILING FEES

Filing Fee Table

EXHIBIT 107 Calculation of Filing Fee Tables Form S-8 (Form Type) AEHR TEST SYSTEMS (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Stock, $0.

October 25, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 23, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 23, 2023 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fil

October 20, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confid

October 12, 2023 EX-31.01

Certification of the principal executive officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.†

EXHIBIT 31.01 CERTIFICATIONS I, Gayn Erickson, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Aehr Test Systems; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect

October 12, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended August 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 000-22893 AEHR TEST SYSTEMS (E

October 12, 2023 EX-32.01

Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**

EXHIBIT 32.02 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Aehr Test Systems (the “Company”) on Form 10-Q for the quarter ended August 31, 2023 as filed with the Securities and Exchange Commission on October 13, 2023 (the “Report”), I, Chris P. Siu, Executive Vice President of Finan

October 12, 2023 EX-31.02

Certification of the principal financial and accounting officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.†

EXHIBIT 31.02 CERTIFICATIONS I, Chris P. Siu, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Aehr Test Systems; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect

October 5, 2023 EX-99.1

Aehr Reports Continued Strong Revenue and Earnings for the First Quarter of Fiscal 2024 on Strength of Production Wafer Level Burn-in Products for Silicon Carbide Semiconductors

EXHIBIT 99.1 Contacts: Aehr Test Systems MKR Investor Relations Inc. Chris Siu Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact [email protected] (323) 468-2300 [email protected] Aehr Reports Continued Strong Revenue and Earnings for the First Quarter of Fiscal 2024 on Strength of Production Wafer Level Burn-in Products for Silicon Carbide Semiconductors Fremont, CA (October

October 5, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 5, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 5, 2023 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

September 13, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defin

August 28, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K (Mark One) ☒ Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended May 31, 2023 or ☐ Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number: 000-22893. AEHR TEST SYSTEMS

July 17, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 11, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 11, 2023 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

July 13, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 13, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 13, 2023 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

July 13, 2023 EX-99.1

Aehr Reports Record Revenue and Profit for Fiscal 2023 and Guides for Over 50% Increase in Revenue for Fiscal 2024 on Strength from Semiconductor Wafer Level Test and Burn-in Demand

EXHIBIT 99.1 Contacts: Aehr Test Systems MKR Investor Relations Inc. Chris Siu Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact [email protected] (323) 468-2300 [email protected] Aehr Reports Record Revenue and Profit for Fiscal 2023 and Guides for Over 50% Increase in Revenue for Fiscal 2024 on Strength from Semiconductor Wafer Level Test and Burn-in Demand Fremont, CA (July

May 31, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 31, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 31, 2023 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File Nu

May 31, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 8, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 8, 2023 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File Num

May 31, 2023 EX-99.1

Aehr Test Systems Appoints Chris Siu, Semiconductor Industry Veteran, as Chief Financial Officer and Executive Vice President of Finance

EXHIBIT 99.1 Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Systems Appoints Chris Siu, Semiconductor Industry Veteran, as Chief Financial Officer and Executive Vice President of Finance Fremont, CA (May 31, 2023) – Aehr Test Systems (NASDAQ:

April 13, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 28, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-22893 AEHR TEST SYSTEMS

April 11, 2023 SC 13G/A

AEHR / Aehr Test Systems / AWM Investment Company, Inc. - AERH TEST SYSTEMS 13G/A Passive Investment

THE UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Aehr Test Systems (Name of Issuer) Common Stock, Par Value $.01 (Title of Class of Securities) 00760J108 (CUSIP Number) March 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant t

March 31, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 28, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 28, 2023 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

March 30, 2023 EX-99.1

Aehr Reports Record Quarterly Bookings Driven by Demand for Wafer Level Test and Burn-in of Semiconductors for Electric Vehicles

EXHIBIT 99.1 FOR IMMEDIATE RELEASE Contacts: Aehr Test Systems Ken Spink Chief Financial Officer (510) 623-9400 x309 MKR Investor Relations Inc. Todd Kehrli or Jim Byers Analyst/Investor Contact (213) 277-5550 [email protected] Aehr Reports Record Quarterly Bookings Driven by Demand for Wafer Level Test and Burn-in of Semiconductors for Electric Vehicles Fremont, CA (March 30, 2023) – Aehr Test S

March 30, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 30, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 30, 2023 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

March 15, 2023 EX-99.1

Aehr Test Systems Comments on Closure of Silicon Valley Bank

EXHIBIT 99.1 Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (213) 277-5550 [email protected] Aehr Test Systems Comments on Closure of Silicon Valley Bank Fremont, CA (March 10, 2023) – Aehr Test Systems (NASDAQ: AEHR) (the “Company”), a worldwide supplier of semiconductor test and reli

March 15, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 10, 2023 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

February 14, 2023 SC 13G

AEHR / Aehr Test Systems / AWM Investment Company, Inc. - AERH TEST SYSTEMS 13G Passive Investment

THE UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Aehr Test Systems (Name of Issuer) Common Stock, Par Value $.01 (Title of Class of Securities) 00760J108 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

February 14, 2023 SC 13G/A

AEHR / Aehr Test Systems / Collaborative Holdings Management LP - AMENDMENT NO. 2 TO THE SCHEDULE 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* Aehr Test Systems (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 00760J108 (CUSIP Number) December 31, 2022 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to wh

February 9, 2023 SC 13G/A

AEHR / Aehr Test Systems / FMR LLC Passive Investment

SCHEDULE 13G Amendment No.1 AEHR TEST SYSTEMS COMMON STOCK Cusip #00760J108 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Cusip #00760J108 Item 1: Reporting Person - FMR LLC Item 2: (a) [ ] (b) [ ] Item 4: Delaware Item 5: 1,290,310 Item 6: 0 Item 7: 1,290,317 Item 8: 0 Item 9: 1,290,317 Item 11: 4.69

February 8, 2023 EX-99.1

Aehr Announces At-The-Market (ATM) Offering of Common Stock

EXHIBIT 99.1 Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (213) 277-5550 [email protected] Aehr Announces At-The-Market (ATM) Offering of Common Stock Fremont, CA (February 7, 2023) – Aehr Test Systems (NASDAQ: AEHR) (the “Company”), a worldwide supplier of semiconductor test and rel

February 8, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 7, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 7, 2023 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fi

February 8, 2023 424B5

Up to $25,000,000 of Shares Common Stock

Filed Pursuant to Rule 424(b)(5) Registration Statement No. 333-259317 PROSPECTUS SUPPLEMENT (To Prospectus dated September 17, 2021) Up to $25,000,000 of Shares Common Stock We have entered into an Equity Distribution Agreement, or sales agreement, with William Blair & Company, L.L.C., or William Blair, and Craig-Hallum Capital Group LLC, or Craig-Hallum, relating to shares of our common stock of

February 8, 2023 EX-1.1

Equity Distribution Agreement, dated as of February 7, 2023, by and among William Blair & Company L.L.C., Craig-Hallum Capital Group LLC and Aehr Test Systems

EXHIBIT 1.1 AEHR TEST SYSTEMS EQUITY DISTRIBUTION AGREEMENT February 7, 2023 William Blair & Company, L.L.C. 150 North Riverside Plaza Chicago, IL 60606 Craig-Hallum Capital Group LLC 222 South Ninth Street, Suite 350 Minneapolis, Minnesota 55402 Ladies and Gentlemen: Aehr Test Systems, a California corporation (collectively with its subsidiaries and affiliates, including, without limitation, all

February 7, 2023 SC 13G

AEHR / Aehr Test Systems / GOLDMAN SACHS GROUP INC Passive Investment

SC 13G 1 AEHRTESTSYSTEMS.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* AEHR TEST SYSTEMS - (Name of Issuer) Common Stock, par value $0.01 per share - (Title of Class of Securities) 00760J108 - (CUSIP Number) December 30, 2022 - (Date of Event Which Requires Filing of this Statement) Check the app

January 27, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 24, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 24, 2023 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fil

January 27, 2023 EX-99.1

Aehr Test Systems Announces Retirement of Board Member

EXHIBIT 99.1 Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Systems Announces Retirement of Board Member Fremont, CA (January 27, 2023) – Aehr Test Systems (NASDAQ: AEHR), a worldwide supplier of semiconductor production test and reliability q

January 17, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 10, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 10, 2023 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fil

January 17, 2023 EX-10.1

Third Amendment, dated as of January 10, 2023, to Loan and Security Agreement by and between Silicon Valley Bank and Aehr Test Systems, dated January 17, 2023

EXHIBIT 10.1

January 13, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-22893 AEHR TEST SYSTEMS

January 5, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 5, 2023 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

January 5, 2023 EX-99.1

Aehr Reports 54% Revenue Growth Year over Year in Second Quarter of Fiscal 2023 on Strength of Semiconductor Test and Burn-In Sales for Electric Vehicles Adds Two New Silicon Carbide Customers During the Quarter

EXHIBIT 99.1 FOR IMMEDIATE RELEASE Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (213) 277-5550 [email protected] Aehr Reports 54% Revenue Growth Year over Year in Second Quarter of Fiscal 2023 on Strength of Semiconductor Test and Burn-In Sales for Electric Vehicles Adds Two New Sili

December 8, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) December 5, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) December 5, 2022 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fil

December 8, 2022 EX-10.1

Fourth Amendment dated December 5, 2022 for facilities located at 400 Kato Terrace, Fremont, California.

EXHIBIT 10.1

November 16, 2022 EX-FILING FEES

Filing Fee Table

EXHIBIT 107.1 Security Type Security Class Title Fee Calculation Rule Amount to be Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Stock, $0.01 par value per share Rule 457(c) and Rule 457(h) 350,000(2) $20.58 (3) $7,203,000.00 0.00011020 $793.77 Total Offering Amounts $7,203,000.00 $7,203,000.00 Total Fee O

November 16, 2022 S-8

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S‑8 REGISTRATION STATEMENT The Securities Act of 1933

As filed with the Securities and Exchange Commission on November 16, 2022 Registration No.

October 21, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 18, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 18, 2022 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fil

October 14, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended August 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-22893 AEHR TEST SYSTEMS (

October 6, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 6, 2022 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

October 6, 2022 EX-99.1

Aehr Test Systems Reports 89% Revenue Growth Year over Year in First Quarter of Fiscal 2023 on Strength of Wafer Level Test and Burn in of Silicon Carbide Devices used in Electric Vehicles

EXHIBIT 99.1 FOR IMMEDIATE RELEASE Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (213) 277-5550 [email protected] Aehr Test Systems Reports 89% Revenue Growth Year over Year in First Quarter of Fiscal 2023 on Strength of Wafer Level Test and Burn in of Silicon Carbide Devices used in

September 23, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. __)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

August 26, 2022 EX-21.1

Subsidiaries of the Company (filed herewith).

EXHIBIT 21.1 SUBSIDIARIES OF AEHR TEST SYSTEMS 1. Aehr Test Systems GmbH, incorporated in Germany 2. Aehr Test Systems Philippines Inc., incorporated in Philippines

August 26, 2022 EX-4.3

Description of Securities

EXHIBIT 4.3 description of securities The following summary of the terms of our capital stock is based upon our Restated Articles of Incorporation (the ?Articles of Incorporation?) and our Amended and Restated Bylaws (the ?Bylaws?). The summary is not complete, and is qualified by reference to our Articles of Incorporation and Bylaws which are filed as exhibits to this Annual Report on Form 10-K a

August 26, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K (Mark One) ? Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended May 31, 2022 or ? Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number: 000-22893. AEHR TEST SYSTEMS

July 20, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 14, 2022 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

July 19, 2022 EX-99.1

Aehr Reports Record Revenue for Fiscal 2022 Fourth Quarter and Full Year Driven by Demand for Semiconductor Wafer Test and Burn-in for Electric Vehicles

EXHIBIT 99.1 FOR IMMEDIATE RELEASE Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (213) 277-5550 [email protected] Aehr Reports Record Revenue for Fiscal 2022 Fourth Quarter and Full Year Driven by Demand for Semiconductor Wafer Test and Burn-in for Electric Vehicles Fremont, CA (July

July 19, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 19, 2022 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

April 13, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 28, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-22893 AEHR TEST SYSTEMS

April 1, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 28, 2022 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

March 31, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 31, 2022 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

March 31, 2022 EX-99.1

Aehr Reports Record Revenue in Third Quarter on Wafer Test and Burn-in Sales Driven by the Demand for Electric Vehicles

EXHIBIT 99.1 FOR IMMEDIATE RELEASE Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Chief Financial Officer (510) 623-9400 x309 Todd Kehrli or Jim Byers Analyst/Investor Contact (323) 468-2300 [email protected] Aehr Reports Record Revenue in Third Quarter on Wafer Test and Burn-in Sales Driven by the Demand for Electric Vehicles Fremont, CA (March 31, 2022) ? Aehr Test Systems (N

February 14, 2022 SC 13G/A

AEHR / Aehr Test Systems / Collaborative Holdings Management LP Passive Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Aehr Test Systems (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 00760J108 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to wh

February 9, 2022 SC 13G

AEHR / Aehr Test Systems / FMR LLC Passive Investment

SCHEDULE 13G Amendment No. 0 AEHR TEST SYSTEMS COMMON STOCK Cusip #00760J108 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Cusip #00760J108 Item 1: Reporting Person - FMR LLC Item 2: (a) [ ] (b) [ ] Item 4: Delaware Item 5: 0 Item 6: 0 Item 7: 1,848,531 Item 8: 0 Item 9: 1,848,531 Item 11: 6.960% Item

January 25, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 21, 2022 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fil

January 14, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-22893 AEHR TEST SYSTEMS

January 13, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 11, 2022 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fil

January 13, 2022 EX-10.1

Second Amendment, dated as of January 11, 2022, to Loan and Security Agreement by and between Silicon Valley Bank and Aehr Test Systems, dated January 13, 2020

EXHIBIT 10.1

January 6, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 6, 2022 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

January 6, 2022 EX-99.1

Aehr Test Reports Second Consecutive Quarter of Record Bookings in Second Quarter of Fiscal 2022 on Strength of Semiconductor Test and Burn-In Sales for Electric Vehicles

EXHIBIT 99.1 FOR IMMEDIATE RELEASE Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Reports Second Consecutive Quarter of Record Bookings in Second Quarter of Fiscal 2022 on Strength of Semiconductor Test and Burn-In Sales for Electric Vehicles

November 17, 2021 S-8

UNITED STATES

As filed with the Securities and Exchange Commission on November 17, 2021 Registration No.

November 10, 2021 SC 13G/A

AEHR / Aehr Test Systems / AWM Investment Company, Inc. - AEHR TEST 13G/A Passive Investment

THE UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Aehr Test Systems (Name of Issuer) Common Stock, Par Value $.01 (Title of Class of Securities) 00760J108 (CUSIP Number) October 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

October 22, 2021 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 19, 2021 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fil

October 22, 2021 EX-3.1

Amended and Restated Bylaws of Aehr Test Systems (incorporated by reference to the Company’s Current Report on Form 8-K filed October 22, 2021 (File No. 000-22893)).

EXHIBIT 3.1 BY-LAWS OF AEHR TEST SYSTEMS (As Amended as of October 19, 2021) ARTICLE I CORPORATE OFFICES 1.1 PRINCIPAL OFFICE. The board of directors shall fix the location of the principal executive office of the corporation at any place within or outside the State of California. If the principal executive office is located outside such state, and the corporation has one or more business offices

October 21, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 19, 2021 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fil

October 14, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended August 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-22893 AEHR TEST SYSTEMS (

October 5, 2021 SC 13G

AEHR / Aehr Test Systems / Collaborative Holdings Management LP Passive Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Aehr Test Systems (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 00760J108 (CUSIP Number) September 28, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whi

September 24, 2021 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. __)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [ x ] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2

September 23, 2021 EX-99.1

Aehr Test Systems Reports Record Bookings in First Quarter of Fiscal 2022; Raises Annual Guidance Approximately 80% on Strength of Semiconductor Test and Burn-in Sales for Electric Vehicles

Exhibit 99.1 FOR IMMEDIATE RELEASE Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Systems Reports Record Bookings in First Quarter of Fiscal 2022; Raises Annual Guidance Approximately 80% on Strength of Semiconductor Test and Burn-in Sales for

September 23, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 23, 2021 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission F

September 17, 2021 424B5

Up to $25,000,000 of Shares Common Stock

PROSPECTUS SUPPLEMENT Up to $25,000,000 of Shares Common Stock We have entered into an Equity Distribution Agreement, or sales agreement, with Craig-Hallum Capital Group LLC, or Craig-Hallum, relating to shares of our common stock offered by this prospectus.

September 17, 2021 EX-1.1

Equity Distribution Agreement, dated as of September 17, 2021, by and between Craig-Hallum Capital Group LLC and Aehr Test Systems

EX-1.1 2 aehrexh11.htm UNDERWRITING AGREEMENT AEHR TEST SYSTEMS EQUITY DISTRIBUTION AGREEMENT September 17, 2021 CRAIG-HALLUM CAPITAL GROUP LLC 22 Second Ninth Street, Suite 350 Minneapolis, Minnesota 55402 Ladies and Gentlemen: AEHR Test Systems, a California corporation (collectively with its subsidiaries and affiliates, including, without limitation, all entities disclosed or described in the R

September 17, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 17, 2021 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission

September 15, 2021 CORRESP

AEHR Test Systems 400 Kato Terrace Fremont, California 94539

AEHR Test Systems 400 Kato Terrace Fremont, California 94539 September 15, 2021 Via EDGAR Transmission Securities and Exchange Commission Division of Corporation Finance Mail Stop 3010 100 F Street, N.

September 14, 2021 LETTER

LETTER

United States securities and exchange commission logo September 14, 2021 Gayn Erickson Chief Executive Officer AEHR TEST SYSTEMS 400 Kato Terrace Fremont, California 94539 Re: AEHR TEST SYSTEMS Registration Statement on Form S-3 Filed September 3, 2021 File No.

September 3, 2021 EX-4.3

AEHR TEST SYSTEMS Dated as of ___________, 2021 TABLE OF CONTENTS

Exhibit 4.3 AEHR TEST SYSTEMS INDENTURE Dated as of , 2021 [] Trustee TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions. 1 Section 1.2. Other Definitions. 4 Section 1.3. Incorporation by Reference of Trust Indenture Act. 4 Section 1.4. Rules of Construction. 5 ARTICLE II. THE SECURITIES 5 Section 2.1. Issuable in Series. 5 Section 2.2. Establis

September 3, 2021 S-3

As filed with the Securities and Exchange Commission on September 3, 2021

As filed with the Securities and Exchange Commission on September 3, 2021 Registration No.

August 27, 2021 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K (Mark One) [X] Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended May 31, 2021 or [ ] Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number: 000-22893. AEHR TEST SYS

August 27, 2021 EX-21.1

Subsidiaries of the Company.

Exhibit 21.1 SUBSIDIARIES OF AEHR TEST SYSTEMS 1. Aehr Test Systems GmbH, incorporated in Germany 2. Aehr Test Systems Philippines Inc., incorporated in Philippines

August 27, 2021 EX-4.3

Exhibit 4.3

Exhibit 4.3 DESCRIPTION OF SECURITIES The following summary of the terms of our capital stock is based upon our Restated Articles of Incorporation (the ?Articles of Incorporation?) and our Amended and Restated Bylaws (the ?Bylaws?). The summary is not complete, and is qualified by reference to our Articles of Incorporation and Bylaws which are filed as exhibits to this Annual Report on Form 10-K a

July 16, 2021 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 13, 2021 AEHR TEST SYSTEMS (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 13, 2021 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

July 15, 2021 EX-99.1

Aehr Test Systems Reports Return to Above Pre-pandemic Revenues in Fourth Quarter of Fiscal 2021 and Guides to 70% Revenue Growth Year over Year for Fiscal 2022 on Strength from Electric Vehicle Semiconductor Test Demand

Exhibit 99.1 FOR IMMEDIATE RELEASE Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Systems Reports Return to Above Pre-pandemic Revenues in Fourth Quarter of Fiscal 2021 and Guides to 70% Revenue Growth Year over Year for Fiscal 2022 on Strengt

July 15, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 aehr8k.htm CURRENT REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 15, 2021 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of i

July 9, 2021 8-K

Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 8, 2021 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File Nu

June 14, 2021 8-K

Termination of a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 12, 2021 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

June 10, 2021 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 8, 2021 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File Nu

May 14, 2021 EX-99.1

Aehr Test Systems Appoints Technology Industry Veteran Fariba Danesh to its Board of Directors

Exhibit 99.1 Contacts: Aehr Test Systems Ken Spink Chief Financial Officer (510) 623-9400 x309 MKR Investor Relations Inc. Todd Kehrli or Jim Byers Analyst/Investor Contact (323) 468-2300 [email protected] Aehr Test Systems Appoints Technology Industry Veteran Fariba Danesh to its Board of Directors Fremont, CA (May 14, 2021) ? Aehr Test Systems (NASDAQ: AEHR), a worldwide supplier of semiconduct

May 14, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 10, 2021 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File Nu

April 13, 2021 10-Q

Quarterly Report - QUARTERLY REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 28, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-22893 AEHR TEST SYSTEMS

April 8, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 8, 2021 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

April 8, 2021 EX-99.1

Aehr Test Systems Reports Third Quarter Fiscal 2021 Financial Results; $8.0 Million Bookings Quarter Begins COVID-19 Recovery

Exhibit 99.1 FOR IMMEDIATE RELEASE Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Systems Reports Third Quarter Fiscal 2021 Financial Results; $8.0 Million Bookings Quarter Begins COVID-19 Recovery Fremont, CA (April 8, 2021) – Aehr Test Syste

January 29, 2021 SC 13G/A

SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information statement pursuant to Rules 13d-1 and 13d-2 Under the Securities Exchange Act of 1934 (Amendment No.2) Aehr Test Systems (Name of Issuer) Common Stock (Title of Class of Securities) 00760J108 (CUSIP Number) Date of Event Which Requires Filing of this Statement: December 31, 2020 *The remainder of this

January 20, 2021 EX-10.1

First Amendment, dated as of January 14, 2021, to Loan and Security Agreement by and between Silicon Valley Bank and Aehr Test Systems, dated January 13, 2020

Exhibit 10.1

January 20, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant - CURRENT REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 14, 2021 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fil

January 14, 2021 10-Q

Quarterly Report - QUARTERLY REPORT

10-Q 1 aehr10q.htm QUARTERLY REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file

January 7, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - CURRENT REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 7, 2021 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

January 7, 2021 EX-99.1

Aehr Test Systems Reports Second Quarter Fiscal 2021 Financial Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Systems Reports Second Quarter Fiscal 2021 Financial Results Fremont, CA (January 7, 2021) – Aehr Test Systems (NASDAQ: AEHR), a worldwide supplier of semiconduc

November 18, 2020 S-8

- S-8

As filed with the Securities and Exchange Commission on November 18, 2020 Registration No.

October 23, 2020 8-K

Submission of Matters to a Vote of Security Holders

8-K 1 aehr8k.htm PRIMARY DOCUMENT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 20, 2020 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction

October 14, 2020 10-Q

Quarterly Report - QUARTERLY REPORT

10-Q 1 aehr10q.htm QUARTERLY REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended August 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file n

September 24, 2020 EX-99.1

Aehr Test Systems Reports First Quarter Fiscal 2021 Financial Results and Maintains Financial Guidance for Growth and Profitability in Fiscal 2021

Exhibit 99.1 FOR IMMEDIATE RELEASE Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Systems Reports First Quarter Fiscal 2021 Financial Results and Maintains Financial Guidance for Growth and Profitability in Fiscal 2021 Fremont, CA (September 2

September 24, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - CURRENT REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 24, 2020 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission F

September 24, 2020 DEF 14A

- DEFINITIVE PROXY STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [ x ] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2

September 9, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits - CURRENT REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 2, 2020 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fi

September 9, 2020 EX-3.1

Amended and Restated Bylaws of the Registrant

Exhibit 3.1 BY-LAWS OF AEHR TEST SYSTEMS (As Amended as of September 2, 2020) ARTICLE I CORPORATE OFFICES 1.1 PRINCIPAL OFFICE. The board of directors shall fix the location of the principal executive office of the corporation at any place within or outside the State of California. If the principal executive office is located outside such state, and the corporation has one or more business offices

September 9, 2020 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - CURRENT REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 2, 2020 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fi

September 9, 2020 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits - CURRENT REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 2, 2020 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fi

September 9, 2020 EX-99.1

Aehr Test Systems announces changes to its Board of Directors

Exhibit 99.1 Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Systems announces changes to its Board of Directors Fremont, CA (September 9, 2020) – Aehr Test Systems (NASDAQ: AEHR), a worldwide supplier of semiconductor test and reliability qual

August 28, 2020 EX-21.1

SUBSIDIARIES OF AEHR TEST SYSTEMS

Exhibit 21.1 SUBSIDIARIES OF AEHR TEST SYSTEMS 1. Aehr Test Systems Japan K.K., incorporated in Japan 2. Aehr Test Systems GmbH, incorporated in Germany

August 28, 2020 EX-4.3

DESCRIPTION OF SECURITIES

Exhibit 4.3 DESCRIPTION OF SECURITIES The following summary of the terms of our capital stock is based upon our Restated Articles of Incorporation (the “Articles of Incorporation”) and our Amended and Restated Bylaws (the “Bylaws”). The summary is not complete, and is qualified by reference to our Articles of Incorporation and Bylaws which are filed as exhibits to this Annual Report on Form 10-K a

August 28, 2020 10-K

Annual Report - ANNUAL REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K (Mark One) [X] Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended May 31, 2020 or [ ] Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number: 000-22893. AEHR TEST SYS

July 16, 2020 EX-99.1

Aehr Test Systems Reports Fiscal 2020 Fourth Quarter and Full Year Results and Provides Financial Guidance for Growth and Profitability in Fiscal 2021

Exhibit 99.1 FOR IMMEDIATE RELEASE Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Systems Reports Fiscal 2020 Fourth Quarter and Full Year Results and Provides Financial Guidance for Growth and Profitability in Fiscal 2021 Fremont, CA (July 16

July 16, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 16, 2020 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

April 28, 2020 EX-10.1

Silicon Valley Bank U.S. Small Business Administration Paycheck Protection Program

Exhibit 10.1 Silicon Valley Bank U.S. Small Business Administration Paycheck Protection Program Note SBA Loan No. 4678457100 SBA Loan Name Borrower Legal Name AEHR TEST SYSTEMS DBA Date 4/23/2020 Loan Amount $ 1678789 Interest Rate 1.0% per annum Borrower AEHR TEST SYSTEMS Operating Company Not applicable Lender Silicon Valley Bank 1. PROMISE TO PAY. In return for the Loan, Borrower promises to pa

April 28, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant - CURRENT REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 23, 2020 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

April 14, 2020 10-Q

Quarterly Report - QUARTERLY REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 29, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-22893 AEHR TEST SYSTEMS

April 2, 2020 EX-99.1

Aehr Test Systems Reports 93% Revenue Growth Year over Year in Third Quarter Withdraws Previously Provided Fiscal 2020 Financial Guidance Due to COVID-19 Uncertainty

Exhibit 99.1 FOR IMMEDIATE RELEASE Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Systems Reports 93% Revenue Growth Year over Year in Third Quarter Withdraws Previously Provided Fiscal 2020 Financial Guidance Due to COVID-19 Uncertainty Fremo

April 2, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 aehr8k.htm CURRENT REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 2, 2020 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of i

February 14, 2020 SC 13G/A

AEHR / Aehr Test Systems / QVT Financial LP - AMENDMENT NO. 2 TO SCHEDULE 13G Passive Investment

SC 13G/A 1 d866297dsc13ga.htm AMENDMENT NO. 2 TO SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Aehr Test Systems (Name of Issuer) Common Stock, $0.01 par value per share (Title of Class of Securities) 00760J108 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of thi

February 12, 2020 EX-24.1

EX-24.1

Exhibit 24.1 POWER OF ATTORNEY The undersigned, as a Section 16 reporting person of Aehr Test Systems (the "Company"), hereby constitutes and appoints Gayn Erickson, Kenneth B. Spink and Carl N. Buck, and each of them, the undersigned's true and lawful attorney-in-fact to: 1. complete and execute Forms 3, 4 and 5 and other forms and all amendments thereto as such attorney-in-fact shall in his or h

January 21, 2020 SC 13G

AEHR / Aehr Test Systems / Royce & Associates LLC Passive Investment

SC 13G 1 aehr1.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information statement pursuant to Rules 13d-1 and 13d-2 Under the Securities Exchange Act of 1934 (Amendment No.1) Aehr Test Systems (Name of Issuer) Common Stock (Title of Class of Securities) 00760J108 (CUSIP Number) Date of Event Which Requires Filing of this Statement: December 31, 2019 *Th

January 21, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

8-K 1 aehr8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 16, 2020 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of inco

January 21, 2020 EX-10.1

Loan and Security Agreement, dated as of January 13, 2020 and effective on January 16, 2020, by and between Silicon Valley Bank and Aehr Test Systems.

Exhibit 10.1

January 14, 2020 10-Q

AEHR / Aehr Test Systems 10-Q - Quarterly Report - QUARTERLY REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended November 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-22893 AEHR TEST SYSTEMS

January 9, 2020 EX-99.1

Aehr Test Systems Reports 24% Sequential Revenue Growth in Second Quarter and Reiterates Guidance for Significant Growth for Fiscal 2020

Exhibit 99.1 FOR IMMEDIATE RELEASE Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Systems Reports 24% Sequential Revenue Growth in Second Quarter and Reiterates Guidance for Significant Growth for Fiscal 2020 Fremont, CA (January 9, 2020) – Ae

January 9, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 9, 2020 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

November 22, 2019 S-8

AEHR / Aehr Test Systems S-8 - - FORM S-8

S-8 1 aehrs8.htm FORM S-8 As filed with the Securities and Exchange Commission on November 22, 2019 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT Under The Securities Act of 1933 AEHR TEST SYSTEMS (Exact name of Registrant as specified in its charter) California 94-2424084 (State or other jurisdiction of incorporation

October 25, 2019 8-K

Submission of Matters to a Vote of Security Holders

8-K 1 aehr8k.htm CURRENT REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 22, 2019 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction o

October 15, 2019 10-Q

AEHR / Aehr Test Systems 10-Q - Quarterly Report - QUARTERLY REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended August 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 000-22893 AEHR TEST SYSTEMS (

October 3, 2019 EX-99.1

Aehr Test Systems Reports First Quarter Fiscal 2020 Financial Results and Reiterates Financial Guidance for Significant Growth in Fiscal 2020

Exhibit 99 .1 FOR IMMEDIATE RELEASE Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Systems Reports First Quarter Fiscal 2020 Financial Results and Reiterates Financial Guidance for Significant Growth in Fiscal 2020 Fremont, CA (October 3, 2019

October 3, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 3, 2019 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File

September 26, 2019 DEF 14A

AEHR / Aehr Test Systems DEF 14A - - DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [ x ] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2

September 11, 2019 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 9, 2019 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission Fi

September 11, 2019 EX-3.1

BY-LAWS AEHR TEST SYSTEMS (As Amended as of September 9, 2019) ARTICLE I CORPORATE OFFICES

Exhibit 3.1 BY-LAWS OF AEHR TEST SYSTEMS (As Amended as of September 9, 2019) ARTICLE I CORPORATE OFFICES 1.1 PRINCIPAL OFFICE. The board of directors shall fix the location of the principal executive office of the corporation at any place within or outside the State of California. If the principal executive office is located outside such state, and the corporation has one or more business offices

September 11, 2019 8-K

Other Events

8-K 1 aehr8k.htm CURRENT REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 9, 2019 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction

September 11, 2019 8-K/A

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 17, 2019 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation

August 28, 2019 EX-21.1

SUBSIDIARIES OF AEHR TEST SYSTEMS

Exhibit 21.1 SUBSIDIARIES OF AEHR TEST SYSTEMS 1. Aehr Test Systems Japan K.K., incorporated in Japan 2. Aehr Test Systems GmbH, incorporated in Germany

August 28, 2019 10-K

AEHR / Aehr Test Systems 10-K - Annual Report - FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K (Mark One) [X] Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended May 31, 2019 or [ ] Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number: 000-22893. AEHR TEST SYS

August 28, 2019 EX-3.2

BY-LAWS AEHR TEST SYSTEMS (As Amended as of July 17, 2019) ARTICLE I CORPORATE OFFICES

Exhibit 3.2 BY-LAWS OF AEHR TEST SYSTEMS (As Amended as of July 17, 2019) ARTICLE I CORPORATE OFFICES 1.1 PRINCIPAL OFFICE. The board of directors shall fix the location of the principal executive office of the corporation at any place within or outside the State of California. If the principal executive office is located outside such state, and the corporation has one or more business offices in

August 27, 2019 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

8-K 1 aehr8k.htm CURRENT REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 21, 2019 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of

July 18, 2019 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 17, 2019 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

July 18, 2019 EX-99.1

Aehr Test Systems Appoints Laura Oliphant to Board of Directors

Exhibit 99.1 Contacts: Aehr Test Systems Investor Relations Contact: Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Systems Appoints Laura Oliphant to Board of Directors Fremont, CA (July 18, 2019) – Aehr Test Systems (NASDAQ: AEHR), a worldwide supplier of semiconductor test and reliability qualif

July 18, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 18, 2019 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of incorporation) (Commission File N

July 18, 2019 EX-99.1

Aehr Test Systems Reports Fiscal 2019 Fourth Quarter and Full Year Results and Provides Financial Guidance for Significant Growth in Fiscal 2020

Exhibit 99.1 FOR IMMEDIATE RELEASE Contacts: Aehr Test Systems MKR Investor Relations Inc. Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer Analyst/Investor Contact (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Systems Reports Fiscal 2019 Fourth Quarter and Full Year Results and Provides Financial Guidance for Significant Growth in Fiscal 2020 Fremont, CA (July 18, 2019

April 12, 2019 10-Q

AEHR / Aehr Test Systems QUARTERLY REPORT (Quarterly Report)

10-Q 1 aehr10q.htm QUARTERLY REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 28, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file

April 4, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 aehr8k.htm CURRENT REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 4, 2019 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction of i

April 4, 2019 EX-99.1

Aehr Test Systems Reports Third Quarter Fiscal 2019 Financial Results

EX-99.1 2 aehrex991.htm PRESS RELEASE Exhibit 99.1 FOR IMMEDIATE RELEASE Aehr Test Systems Investor Relations Contact: Ken Spink Todd Kehrli or Jim Byers Chief Financial Officer MKR Group, Inc. (510) 623-9400 x309 (323) 468-2300 [email protected] Aehr Test Systems Reports Third Quarter Fiscal 2019 Financial Results Fremont, CA (April 4, 2019) – Aehr Test Systems (NASDAQ: AEHR), a worldwide suppli

February 19, 2019 8-K

Costs Associated with Exit or Disposal Activities, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K 1 aehr8k.htm CURRENT REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 12, 2019 AEHR TEST SYSTEMS (Exact name of registrant as specified in its charter) California 000-22893 94-2424084 (State or other jurisdiction

February 13, 2019 SC 13G/A

AEHR / Aehr Test Systems / AWM Investment Company, Inc. - AEHR 13G/A Passive Investment

SC 13G/A 1 aehrtest13gt1.txt AEHR 13G/A THE UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Aehr Test Systems (Name of Issuer) Common Stock, Par Value $.01 (Title of Class of Securities) 00760J108 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the approp

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