14 insiders reported 109 Form 4 transactions for AMBARELLA INC (AMBA) over the past 18 months (most recent 2026-07-10). Recent activity: Chen Yun-Lung (VP, Business Dev. & Marketing) Sell 5,958 shares, Wang Feng-Ming (CEO) Sell 16,250 shares, Ju Chi-Hong (Senior VP, Systems & GM) Sell 10,000 shares, PAISLEY CHRISTOPHER B (Director) Sell 250 shares, Young John Alexander (CFO) Sell 3,186 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-10 | Chen Yun-Lung | VP, Business Dev. & Marketing | Sell | 5,958 | $468,656 |
| 2026-07-02 | Wang Feng-Ming | CEO | Sell | 16,250 | $1.5M |
| 2026-07-02 | Ju Chi-Hong | Senior VP, Systems & GM | Sell | 10,000 | $888,400 |
| 2026-06-30 | PAISLEY CHRISTOPHER B | Director | Sell | 250 | $15,502 |
| 2026-06-18 | Young John Alexander | CFO | Sell | 3,186 | $216,234 |
| 2026-06-18 | Wang Feng-Ming | CEO | Sell | 6,204 | $421,065 |
| 2026-06-18 | Lee Chan W | Chief Operations Officer | Sell | 2,951 | $200,284 |
| 2026-06-18 | Ju Chi-Hong | Senior VP, Systems & GM | Sell | 2,017 | $136,894 |
| 2026-06-18 | Wang Feng-Ming | CEO | Sell | 10,000 | $0 |
| 2026-06-18 | Young John Alexander | CFO | Sell | 1,847 | $123,712 |
| 2026-06-16 | Chen Yun-Lung | VP, Business Development and | Sell | 9,856 | $660,943 |
| 2026-05-28 | Young John Alexander | CFO | Buy | 400 | $22,320 |
| 2026-05-28 | Wang Feng-Ming | CEO | Sell | 17,285 | $1.6M |
| 2026-05-28 | Wang Feng-Ming | CEO | Sell | 6,065 | $553,306 |
| 2026-05-28 | Young John Alexander | CFO | Sell | 400 | $38,400 |
| 2026-05-28 | Wang Feng-Ming | CEO | Sell | 9,150 | $842,246 |
| 2026-04-22 | Young John Alexander | CFO | Sell | 1,971 | $118,260 |
| 2026-03-19 | Young John Alexander | CFO | Buy | 3,556 | $0 |
| 2026-03-19 | Young John Alexander | CFO | Sell | 4,577 | $241,528 |
| 2026-03-19 | Young John Alexander | CFO | Buy | 5,560 | $0 |
| 2026-03-19 | Young John Alexander | CFO | Sell | 3,038 | $164,477 |
| 2026-03-19 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | Buy | 9,553 | $0 |
| 2026-03-19 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | Sell | 4,729 | $249,549 |
| 2026-03-19 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | Buy | 5,930 | $0 |
| 2026-03-19 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | Sell | 2,155 | $116,672 |
Source: SEC Form 4 filings · as of 2026-07-10