SONE / S1 Corp - SEC-arkiveringar, Årsredovisning, Fullmaktsutlåtande

SONE / S1 Corp / AQR CAPITAL MANAGEMENT LLC - AQR CAPITAL MANAGEMENT LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* S1 Corp. (Name of Issuer) Common Stock (Title of Class of Securities) 78463B101 (CUSIP Number) December 31, 2012 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is fi

- 15-12G

15-12G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number 000-24931 S1 Corporation (Exact name of registrant as specified in it

- SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO AMENDMENT NO. 14 Tender Offer Statement Under Section 14(d)(1) or Section 13(e)(1) of the Securities Exchange Act of 1934 S1 CORPORATION (Name of Subject Company (Issuer)) ACI WORLDWIDE, INC. ANTELOPE INVESTMENT CO. LLC (Name of Filing Persons (Offerors)) Common Stock, par value $0.01 per share (Title of

Merger Prospectus - 425

425 Filed by ACI Worldwide, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: S1 Corporation Commission File No.: 000-24931 News Release FOR IMMEDIATE RELEASE ACI WORLDWIDE ANNOUNCES FINAL RESULTS OF EXCHANGE OFFER (New York, N.Y. – February 16, 2012) – ACI Worldwide, Inc. (Nasdaq: ACIW), a

Amendment to Agreement

Exhibit 10.4 Amendment to Agreement This Amendment to Agreement (this “Amendment”), dated effective as of February 10, 2012 (the “Effective Date”), is by and between S1 Corporation (the “Company”) and Jan Kruger (the “Executive”). RECITALS A. The Company and the Executive entered into an Agreement dated December 24, 2008 (the “Agreement”); B. The Company and the Executive entered into a Confidenti

Amendment to Agreement

Exhibit 10.2 Exhibit 10.2 Amendment to Agreement This Amendment to Agreement (this “Amendment”), dated effective as of February 10, 2012 (the “Effective Date”), is by and between S1 Corporation (the “Company”) and Johann Dreyer (the “Executive”). RECITALS A. The Company and the Executive entered into an Agreement dated December 24, 2008 (the “Agreement”); B. The Company and the Executive entered i

FORM OF CONFIDENTIALITY, NON-DISCLOSURE AND NON-SOLICITATION AGREEMENT

Exhibit 10.1 Exhibit 10.1 FORM OF CONFIDENTIALITY, NON-DISCLOSURE AND NON-SOLICITATION AGREEMENT In consideration of and as a condition of my employment by S1 Corporation, a Delaware corporation (the “Company”, which term shall also include any subsidiaries and divisions of S1 Corporation), I hereby agree with the Company as follows: 1. Nondisclosure and Use of Proprietary Information. (a) I will

AMENDED AND RESTATED CERTIFICATE OF INCORPORATION S1 CORPORATION

Exhibit 3.1 Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF S1 CORPORATION FIRST: The name of the corporation (the “Corporation”) is S1 Corporation. SECOND: The address of the Corporation’s registered office in the State of Delaware is 1209 Orange Street, City of Wilmington, County of New Castle, Delaware 19801. The name of the Corporation’s registered agent at such address is The

- SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO AMENDMENT NO. 13 Tender Offer Statement Under Section 14(d)(1) or Section 13(e)(1) of the Securities Exchange Act of 1934 S1 CORPORATION (Name of Subject Company (Issuer)) ACI WORLDWIDE, INC. ANTELOPE INVESTMENT CO. LLC (Name of Filing Persons (Offerors)) Common Stock, par value $0.01 per share (Title of

FORM OF AMENDED AND RESTATED ARTICLE I MEETINGS OF STOCKHOLDERS

Exhibit 3.2 Exhibit 3.2 FORM OF AMENDED AND RESTATED BY-LAWS ARTICLE I MEETINGS OF STOCKHOLDERS Section 1. Time and Place of Meetings. All meetings of the stockholders for the election of directors or for any other purpose shall be held at such time and place, within or without the State of Delaware, as may be designated by the Board of Directors, or by the Chairman of the Board of Directors, the

SONE / S1 Corp / AQR CAPITAL MANAGEMENT LLC - AQR CAPITAL MANAGEMENT LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* S1 Corp. (Name of Issuer) Common Stock (Title of Class of Securities) 78463B101 (CUSIP Number) December 31, 2011 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is fil

Amendment to Agreement

Exhibit 10.3 Amendment to Agreement This Amendment to Agreement (this “Amendment”), dated effective as of February 10, 2012 (the “Effective Date”), is by and between S1 Corporation (the “Company”) and Paul Parrish (the “Executive”). RECITALS A. The Company and the Executive entered into an Agreement dated December 17, 2008 and amended August 18, 2009 (the “Agreement”); B. The Company and the Execu

Amendment to Confidentiality, Non-Disclosure and Non-Solicitation Agreement

Exhibit 10.8 Exhibit 10.8 Amendment to Confidentiality, Non-Disclosure and Non-Solicitation Agreement This Amendment to the Confidentiality, Non-Disclosure and Non-Solicitation Agreement (this “Amendment”), dated effective as of February 10, 2012 (the “Effective Date”), is by and between S1 Corporation (the “Company”) and Jan Kruger (the “Executive”). RECITALS A. The Company and the Executive ente

Amendment to Agreement

Exhibit 10.6 Exhibit 10.6 Amendment to Agreement This Amendment to Agreement (this “Amendment”), dated effective as of February 10, 2012 (the “Effective Date”), is by and between S1 Corporation (the “Company”) and Francois van Schoor (the “Executive”). RECITALS A. The Company and the Executive entered into an Agreement dated December 24, 2008 (the “Agreement”); B. The Company and the Executive ent

Amendment to Confidentiality, Non-Disclosure and Non-Solicitation Agreement

Exhibit 10.9 Amendment to Confidentiality, Non-Disclosure and Non-Solicitation Agreement This Amendment to the Confidentiality, Non-Disclosure and Non-Solicitation Agreement (this “Amendment”), dated effective as of February 10, 2012 (the “Effective Date”), is by and between S1 Corporation (the “Company”) and Paul Parrish (the “Executive”). RECITALS A. The Company and the Executive entered into a

Amendment to Confidentiality, Non-Disclosure and Non-Solicitation Agreement

Exhibit 10.7 Exhibit 10.7 Amendment to Confidentiality, Non-Disclosure and Non-Solicitation Agreement This Amendment to the Confidentiality, Non-Disclosure and Non-Solicitation Agreement (this “Amendment”), dated effective as of February 10, 2012 (the “Effective Date”), is by and between S1 Corporation (the “Company”) and Johann Dreyer (the “Executive”). RECITALS A. The Company and the Executive e

Amendment to Confidentiality, Non-Disclosure and Non-Solicitation Agreement

Exhibit 10.11 Exhibit 10.11 Amendment to Confidentiality, Non-Disclosure and Non-Solicitation Agreement This Amendment to the Confidentiality, Non-Disclosure and Non-Solicitation Agreement (this “Amendment”), dated effective as of February 10, 2012 (the “Effective Date”), is by and between S1 Corporation (the “Company”) and Francois van Schoor (the “Executive”). RECITALS A. The Company and the Exe

Merger Prospectus - 425

425 Filed by ACI Worldwide, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: S1 Corporation Commission File No.: 000-24931 News Release FOR IMMEDIATE RELEASE ACI WORLDWIDE ANNOUNCES PRELIMINARY RESULTS OF EXCHANGE OFFER (New York, N.Y. – February 13, 2012) – ACI Worldwide, Inc. (Nasdaq: ACI

Merger Prospectus - 425

425 Filed by ACI Worldwide, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: S1 Corporation Commission File No.: 000-24931 News Release FOR IMMEDIATE RELEASE ACI WORLDWIDE COMPLETES ACQUISITION OF S1 CORPORATION • Acquisition extends ACI as full-service global leader for payment systems • D

Amendment to Confidentiality, Non-Disclosure and Non-Solicitation Agreement

Exhibit 10.10 Exhibit 10.10 Amendment to Confidentiality, Non-Disclosure and Non-Solicitation Agreement This Amendment to the Confidentiality, Non-Disclosure and Non-Solicitation Agreement (this “Amendment”), dated effective as of February 10, 2012 (the “Effective Date”), is by and between S1 Corporation (the “Company”) and Pierre Naude (the “Executive”). RECITALS A. The Company and the Executive

Amendment to Agreement

Exhibit 10.5 Exhibit 10.5 Amendment to Agreement This Amendment to Agreement (this “Amendment”), dated effective as of February 10, 2012 (the “Effective Date”), is by and between S1 Corporation (the “Company”) and Pierre Naude (the “Executive”). RECITALS A. The Company and the Executive entered into an Agreement dated December 24, 2008 (the “Agreement”); B. The Company and the Executive entered in

Changes in Control of Registrant, 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, Material Modification to Rights of Security Holders, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets - FORM 8-K

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): February 10, 2012 S1 CORPORATION (Exact name of registrant as specified in its charter) Delaware 000-24931 58-2395199 (State or other jurisdiction of incorporation) (Commissi

SONE / S1 Corp / CRAMER ROSENTHAL MCGLYNN LLC - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 02)* S1 Corporation (Name of Issuer) COMMON STOCK (Title of Class of Securities) 78463B101 (CUSIP Number) December 31, 2011 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

Merger Prospectus - 425

425 Filed by ACI Worldwide, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: S1 Corporation Commission File.: 000-24931 News Release FOR IMMEDIATE RELEASE ACI WORLDWIDE’S EXCHANGE OFFER FOR S1 STOCK TO EXPIRE ON FEB. 10TH (NEW YORK – February 8, 2012) – As previously announced, ACI Worldwid

- SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO AMENDMENT NO. 12 Tender Offer Statement Under Section 14(d)(1) or Section 13(e)(1) of the Securities Exchange Act of 1934 S1 CORPORATION (Name of Subject Company (Issuer)) ACI WORLDWIDE, INC. ANTELOPE INVESTMENT CO. LLC (Name of Filing Persons (Offerors)) Common Stock, par value $0.01 per share (Title of Class of S

- SC 14D9/A

SC 14D9/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 (Amendment No. 10) SOLICITATION/RECOMMENDATION STATEMENT UNDER SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 S1 Corporation (Name of Subject Company) S1 Corporation (Name of Person Filing Statement) Common Stock, par value $0.01 per share (Title of Class of Securities) 78463B101 (CUSIP Number

Financial Statements and Exhibits, Other Events - FORM 8-K

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): February 3, 2012 S1 CORPORATION (Exact name of registrant as specified in its charter) Delaware 000-24931 58-2395199 (State or other jurisdiction of incorporation) (Commissio

ACI WORLDWIDE AND S1 CORPORATION ANNOUNCE THE DOJ IS CLOSING ITS

Exhibit 99.1 News Release FOR IMMEDIATE RELEASE ACI WORLDWIDE AND S1 CORPORATION ANNOUNCE THE DOJ IS CLOSING ITS INVESTIGATION NEW YORK and NORCROSS, Ga., February 3, 2012 – ACI Worldwide, Inc. (Nasdaq: ACIW) and S1 Corporation (Nasdaq: SONE) today announced that the U.S. Department of Justice (the “DOJ”) has informed them that the DOJ is closing its investigation in connection with the proposed a

- SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO AMENDMENT NO. 11 Tender Offer Statement Under Section 14(d)(1) or Section 13(e)(1) of the Securities Exchange Act of 1934 S1 CORPORATION (Name of Subject Company (Issuer)) ACI WORLDWIDE, INC. ANTELOPE INVESTMENT CO. LLC (Name of Filing Persons (Offerors)) Common Stock, par value $0.01 per share (Title of

Merger Prospectus - 425

425 Filed by ACI Worldwide, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: S1 Corporation Commission File No.: 000-24931 News Release FOR IMMEDIATE RELEASE ACI WORLDWIDE AND S1 CORPORATION ANNOUNCE THE DOJ IS CLOSING ITS INVESTIGATION NEW YORK and NORCROSS, Ga., February 3, 2012 – ACI Wor

Financial Statements and Exhibits, Other Events - FORM 8-K

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 19, 2012 S1 CORPORATION (Exact name of registrant as specified in its charter) Delaware 000-24931 58-2395199 (State or other jurisdiction of incorporation) (Commissio

ACI WORLDWIDE EXTENDS TIMING AGREEMENT WITH THE DOJ FOR AN ADDITIONAL TEN DAYS; EXTENDS EXPIRATION DATE FOR S1 EXCHANGE OFFER

Press Release Exhibit 99.1 FOR IMMEDIATE RELEASE ACI WORLDWIDE EXTENDS TIMING AGREEMENT WITH THE DOJ FOR AN ADDITIONAL TEN DAYS; EXTENDS EXPIRATION DATE FOR S1 EXCHANGE OFFER NEW YORK, January 24, 2012 – ACI Worldwide, Inc. (Nasdaq: ACIW) announced today that it has extended its exchange offer for all of the outstanding shares of common stock of S1 Corporation (Nasdaq: SONE) until 5:00 p.m., Easte

- SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO AMENDMENT NO. 10 Tender Offer Statement Under Section 14(d)(1) or Section 13(e)(1) of the Securities Exchange Act of 1934 S1 CORPORATION (Name of Subject Company (Issuer)) ACI WORLDWIDE, INC. ANTELOPE INVESTMENT CO. LLC (Name of Filing Persons (Offerors)) Common Stock, par value $0.01 per share (Title of

Merger Prospectus - 425

425 Filed by ACI Worldwide, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: S1 Corporation Commission File No.: 000-24931 FOR IMMEDIATE RELEASE ACI WORLDWIDE EXTENDS TIMING AGREEMENT WITH THE DOJ FOR AN ADDITIONAL TEN DAYS; EXTENDS EXPIRATION DATE FOR S1 EXCHANGE OFFER NEW YORK, January 24

- SC 14D9/A

SC 14D9/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 (Amendment No. 9) SOLICITATION/RECOMMENDATION STATEMENT UNDER SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 S1 Corporation (Name of Subject Company) S1 Corporation (Name of Person Filing Statement) Common Stock, par value $0.01 per share (Title of Class of Securities) 78463B101 (CUSIP Number

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corresp Table of Contents August 22, 2011 Direct Number: (212) 326-3800 raprofusek@JonesDay.

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corresp Hogan Lovells US LLP Columbia Square 555 Thirteenth Street, NW Washington, DC 20004 T +1 202 637 5600 F +1 202 637 5910 www.