Wang Feng-Ming (CIK 1558686) reported 22 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-18). Recent activity: Sell AMBA (6,086 shares), Sell AMBA (16,250 shares), Sell AMBA (6,204 shares), Sell AMBA (10,000 shares), Sell AMBA (17,285 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-18 | AMBARELLA INC (AMBA) | CEO | Sell | 6,086 | $394,555 |
| 2026-07-02 | AMBARELLA INC (AMBA) | CEO | Sell | 16,250 | $1.5M |
| 2026-06-18 | AMBARELLA INC (AMBA) | CEO | Sell | 6,204 | $421,065 |
| 2026-06-18 | AMBARELLA INC (AMBA) | CEO | Sell | 10,000 | $0 |
| 2026-05-28 | AMBARELLA INC (AMBA) | CEO | Sell | 17,285 | $1.6M |
| 2026-05-28 | AMBARELLA INC (AMBA) | CEO | Sell | 6,065 | $553,310 |
| 2026-05-28 | AMBARELLA INC (AMBA) | CEO | Sell | 9,150 | $842,258 |
| 2026-03-19 | AMBARELLA INC (AMBA) | CEO | Buy | 27,598 | $0 |
| 2026-03-19 | AMBARELLA INC (AMBA) | CEO | Sell | 18,976 | $1.0M |
| 2026-03-19 | AMBARELLA INC (AMBA) | CEO | Buy | 15,686 | $0 |
| 2026-03-19 | AMBARELLA INC (AMBA) | CEO | Sell | 8,083 | $437,614 |
| 2026-03-04 | AMBARELLA INC (AMBA) | CEO | Buy | 50,000 | $2.1M |
| 2026-03-04 | AMBARELLA INC (AMBA) | CEO | Sell | 1,000 | $56,830 |
| 2026-03-04 | AMBARELLA INC (AMBA) | CEO | Sell | 1,900 | $111,663 |
| 2026-03-04 | AMBARELLA INC (AMBA) | CEO | Sell | 2,600 | $154,778 |
| 2026-03-04 | AMBARELLA INC (AMBA) | CEO | Sell | 32,460 | $2.0M |
| 2026-03-04 | AMBARELLA INC (AMBA) | CEO | Sell | 12,040 | $739,497 |
| 2026-03-04 | AMBARELLA INC (AMBA) | CEO | Buy | 53,203 | $0 |
| 2025-12-19 | AMBARELLA INC (AMBA) | CEO | Sell | 4,950 | $355,509 |
| 2025-12-19 | AMBARELLA INC (AMBA) | CEO | Sell | 15,000 | $0 |
| 2025-09-19 | AMBARELLA INC (AMBA) | CEO | Sell | 4,928 | $391,431 |
| 2025-06-20 | AMBARELLA INC (AMBA) | CEO | Sell | 4,677 | $244,420 |
来源：SEC Form 4 申报文件 · 截至 2026-09-18