Ambarella, Inc.
US ˙ NasdaqGS ˙ KYG037AX1015

SecurityAMBA / Ambarella, Inc.
InsiderChan W Lee
This page shows the track record and history of Lee Chan W insider trades in Ambarella, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Chan W Lee in AMBA / Ambarella, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

AMBA / Ambarella, Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Chan W Lee in AMBA / Ambarella, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
2025-09-17 1,947 79.4300 1,947 79.4300 154,650 0 79.6800 487 0.31
2025-06-17 1,601 52.2600 1,601 52.2600 83,668
2025-03-18 1,468 55.0200 1,468 55.0200 80,769
2025-03-06 2,108 55.1100 2,108 55.1100 116,172
2024-12-16 1,488 75.4100 1,488 75.4100 112,210
2024-09-17 1,490 53.5400 1,490 53.5400 79,775
2024-06-18 1,504 55.4800 1,504 55.4800 83,442
2024-03-18 1,075 49.2700 1,075 49.2700 52,965
2024-03-08 642 57.1600 642 57.1600 36,697
2023-12-19 1,520 63.0400 1,520 63.0400 95,821
2023-09-18 1,484 57.3000 1,484 57.3000 85,033
2023-06-20 1,492 84.8000 1,492 84.8000 126,522
2023-03-17 9,430 76.8500 9,430 76.8500 724,696
2022-12-16 2,055 83.7700 2,055 83.7700 172,147
2022-09-16 2,072 63.2500 2,072 63.2500 131,054
2022-06-16 2,184 66.2500 2,184 66.2500 144,690
2022-03-16 31,450 91.2000 31,450 91.2000 2,868,240
2022-03-14 1,595 84.4200 1,595 84.4200 134,650
2021-12-16 2,997 188.8400 2,997 188.8400 565,953
2021-12-03 2,808 192.6900 2,808 192.6900 541,074

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

AMBA / Ambarella, Inc. Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-09-19 2025-09-17 4 Lee Chan W AMBA Ordinary Shares S - Sale D 79.4300 -1,947 -155 126,972
2025-06-20 2025-06-17 4 Lee Chan W AMBA Ordinary Shares S - Sale D 52.2600 -1,601 -84 128,696
2025-03-20 2025-03-18 4 Lee Chan W AMBA Ordinary Shares S - Sale D 55.0200 -1,468 -81 130,297
2025-03-07 2025-03-06 4 Lee Chan W AMBA Ordinary Shares S - Sale D 55.1100 -2,108 -116 131,531
2025-03-07 2025-03-05 4 Lee Chan W AMBA Ordinary Shares A - Award D 5,465 133,639
2025-03-07 2025-02-28 4 Lee Chan W AMBA Ordinary Shares A - Award D 18,256 128,174
2025-01-17 2025-01-16 4 Lee Chan W AMBA Ordinary Shares S - Sale D 77.2100 -1,000 -77 109,918
2025-01-17 2025-01-15 4 Lee Chan W AMBA Ordinary Shares S - Sale D 75.9000 -1,000 -76 110,918
2025-01-14 2025-01-14 4 Lee Chan W AMBA Ordinary Shares S - Sale D 75.6800 -1,000 -76 111,918
2025-01-14 2025-01-13 4 Lee Chan W AMBA Ordinary Shares S - Sale D 73.5000 -1,000 -74 112,918
2025-01-14 2025-01-10 4 Lee Chan W AMBA Ordinary Shares S - Sale D 74.1200 -1,000 -74 113,918
2025-01-08 2025-01-08 4 Lee Chan W AMBA Ordinary Shares S - Sale D 73.4800 -1,000 -73 114,918
2025-01-08 2025-01-07 4 Lee Chan W AMBA Ordinary Shares S - Sale D 78.7300 -1,000 -79 115,918
2025-01-08 2025-01-06 4 Lee Chan W AMBA Ordinary Shares S - Sale D 79.1500 -1,000 -79 116,918
2025-01-03 2025-01-03 4 Lee Chan W AMBA Ordinary Shares S - Sale D 75.0600 -1,000 -75 117,918
2025-01-03 2025-01-02 4 Lee Chan W AMBA Ordinary Shares S - Sale D 73.3200 -1,000 -73 118,918
2024-12-18 2024-12-16 4 Lee Chan W AMBA Ordinary Shares S - Sale D 75.4100 -1,488 -112 119,918
2024-09-19 2024-09-17 4 Lee Chan W AMBA Ordinary Shares S - Sale D 53.5400 -1,490 -80 121,406
2024-06-20 2024-06-18 4 Lee Chan W AMBA Ordinary Shares S - Sale D 55.4800 -1,504 -83 122,642
2024-03-20 2024-03-18 4 Lee Chan W AMBA Ordinary Shares S - Sale D 49.2700 -1,075 -53 124,146
2024-03-11 2024-03-08 4 Lee Chan W AMBA Ordinary Shares S - Sale D 57.1600 -642 -37 125,003
2024-03-11 2024-03-07 4 Lee Chan W AMBA Ordinary Shares A - Award D 1,545 125,645
2024-03-04 2024-02-29 4 Lee Chan W AMBA Ordinary Shares A - Award D 22,764 124,100
2023-12-21 2023-12-19 4 Lee Chan W AMBA Ordinary Shares S - Sale D 63.0400 -1,520 -96 101,336
2023-09-20 2023-09-18 4 Lee Chan W AMBA Ordinary Shares S - Sale D 57.3000 -1,484 -85 102,856
2023-06-20 2023-06-20 4 Lee Chan W AMBA Ordinary Shares S - Sale D 84.8000 -1,492 -127 104,177
2023-06-20 2023-06-15 4 Lee Chan W AMBA Ordinary Shares A - Award D 25,232 105,669
2023-03-17 2023-03-17 4 Lee Chan W AMBA Ordinary Shares S - Sale D 76.8500 -9,430 -725 80,437
2023-03-17 2023-03-15 4 Lee Chan W AMBA Ordinary Shares M - Exercise D 22,785 89,867
2022-12-20 2022-12-16 4 Lee Chan W AMBA Ordinary Shares S - Sale D 83.7700 -2,055 -172 66,891
2022-12-20 2022-12-16 4 Lee Chan W AMBA Ordinary Shares M - Exercise D 4,049 68,946
2022-09-20 2022-09-16 4 Lee Chan W AMBA Ordinary Shares S - Sale D 63.2500 -2,072 -131 64,897
2022-09-20 2022-09-16 4 Lee Chan W AMBA Ordinary Shares M - Exercise D 4,049 66,969
2022-06-17 2022-06-16 4 Lee Chan W AMBA Ordinary Shares S - Sale D 66.2500 -2,184 -145 62,778
2022-06-17 2022-06-16 4 Lee Chan W AMBA Ordinary Shares M - Exercise D 4,047 64,962
2022-04-19 2022-04-11 4 Lee Chan W AMBA Performance Stock Units A - Award D 12,928 12,928
2022-04-19 2022-04-11 4 Lee Chan W AMBA Restricted Stock Units A - Award D 12,928 12,928
2022-03-18 2022-03-16 4 Lee Chan W AMBA Restricted Stock Units M - Exercise D -734 5,870
2022-03-18 2022-03-16 4 Lee Chan W AMBA Restricted Stock Units M - Exercise D -2,238 8,950
2022-03-18 2022-03-16 4 Lee Chan W AMBA Restricted Stock Units M - Exercise D -2,473 0
2022-03-18 2022-03-16 4 Lee Chan W AMBA Performance Stock Units M - Exercise D -29,670 0
2022-03-18 2022-03-16 4 Lee Chan W AMBA Ordinary Shares S - Sale D 91.2000 -31,450 -2,868 60,915
2022-03-18 2022-03-16 4 Lee Chan W AMBA Ordinary Shares M - Exercise D 64,785 92,365
2022-03-14 2022-03-14 4 Lee Chan W AMBA Ordinary Shares S - Sale D 84.4200 -1,595 -135 27,499
2022-03-10 2022-03-08 4 Lee Chan W AMBA Ordinary Shares A - Award D 4,401 29,094
2021-12-17 2021-12-16 4 Lee Chan W AMBA Restricted Stock Units M - Exercise D -734 6,604
2021-12-17 2021-12-16 4 Lee Chan W AMBA Restricted Stock Units M - Exercise D -2,237 11,188
2021-12-17 2021-12-16 4 Lee Chan W AMBA Restricted Stock Units M - Exercise D -2,472 2,473
2021-12-17 2021-12-16 4 Lee Chan W AMBA Ordinary Shares S - Sale D 188.8400 -2,997 -566 24,693
2021-12-17 2021-12-16 4 Lee Chan W AMBA Ordinary Shares M - Exercise D 5,443 27,690
2021-12-07 2021-12-03 4 Lee Chan W AMBA Ordinary Shares S - Sale D 192.6900 -2,808 -541 22,247
2021-12-07 2021-12-03 4 Lee Chan W AMBA Ordinary Shares M - Exercise D 5,445 25,055
2021-09-17 2021-09-16 4 Lee Chan W AMBA Restricted Stock Units M - Exercise D -734 7,338
2021-09-17 2021-09-16 4 Lee Chan W AMBA Restricted Stock Units M - Exercise D -2,238 13,425
2021-09-17 2021-09-16 4 Lee Chan W AMBA Restricted Stock Units M - Exercise D -2,473 4,945
2021-09-14 3 Lee Chan W AMBA Ordinary Shares D 19,502
P
Köp på öppna marknaden eller privat köp av icke-derivatsäkerhet
S
Köp på öppna marknaden eller privat försäljning av icke-derivatsäkerhet
A
Bevilja, tilldelning eller annat förvärv av värdepapper från företaget (såsom en option)
C
Omvandling av derivat
D
Försäljning eller överföring av värdepapper tillbaka til företaget
F
Betalning av lösenpris eller skatteskuld med del av värdepapper som erhållits från bolaget
G
Överlåtelse av värdepapper från eller till insidern
K
Aktieswappar och liknande säkringsaffärer
M
Utövande eller omvandling av derivatsäkerhet som erhållits från företaget (som en option)
V
En transaktion friviligt rapporterad på schema 4
J
Andra (med en fotnot som beskriver transaktionen)