Ju Chi-Hong (CIK 1882831) reported 16 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-18). Recent activity: Sell AMBA (2,009 shares), Sell AMBA (10,000 shares), Sell AMBA (2,017 shares), Buy AMBA (9,553 shares), Sell AMBA (4,729 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-18 | AMBARELLA INC (AMBA) | Senior VP, Systems & GM | Sell | 2,009 | $130,243 |
| 2026-07-02 | AMBARELLA INC (AMBA) | Senior VP, Systems & GM | Sell | 10,000 | $888,400 |
| 2026-06-18 | AMBARELLA INC (AMBA) | Senior VP, Systems & GM | Sell | 2,017 | $136,894 |
| 2026-03-19 | AMBARELLA INC (AMBA) | Senior VP, Systems & GM, Asia | Buy | 9,553 | $0 |
| 2026-03-19 | AMBARELLA INC (AMBA) | Senior VP, Systems & GM, Asia | Sell | 4,729 | $249,549 |
| 2026-03-19 | AMBARELLA INC (AMBA) | Senior VP, Systems & GM, Asia | Buy | 5,930 | $0 |
| 2026-03-19 | AMBARELLA INC (AMBA) | Senior VP, Systems & GM, Asia | Sell | 2,155 | $116,672 |
| 2026-03-04 | AMBARELLA INC (AMBA) | Senior VP, Systems & GM, Asia | Buy | 17,329 | $0 |
| 2026-01-23 | AMBARELLA INC (AMBA) | Senior VP, Systems & GM, Asia | Sell | 7,945 | $558,136 |
| 2026-01-07 | AMBARELLA INC (AMBA) | Senior VP, Systems & GM, Asia | Sell | 7,728 | $584,082 |
| 2025-12-31 | AMBARELLA INC (AMBA) | Senior VP, Systems & GM, Asia | Sell | 3,765 | $264,755 |
| 2025-12-19 | AMBARELLA INC (AMBA) | Senior VP, Systems & GM, Asia | Sell | 1,342 | $96,382 |
| 2025-10-15 | AMBARELLA INC (AMBA) | Senior VP, Systems & GM, Asia | Sell | 5,057 | $411,084 |
| 2025-10-15 | AMBARELLA INC (AMBA) | Senior VP, Systems & GM, Asia | Sell | 6,156 | $498,390 |
| 2025-09-19 | AMBARELLA INC (AMBA) | Sr. Vice President, Systems | Sell | 1,168 | $92,774 |
| 2025-06-20 | AMBARELLA INC (AMBA) | Sr. Vice President, Systems | Sell | 1,108 | $57,904 |
来源：SEC Form 4 申报文件 · 截至 2026-09-18