CIK 0001280263 · Large accelerated filer
AMBARELLA INC
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- AMBA
- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- FY end
- Jan 31
- Entity type
- operating
- EIN
- 980459628
- Phone
- 408-734-8888
- Business address
- 3001 TASMAN DRIVE, SANTA CLARA, CA, 95054
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $1,060,264
- in 6 filings, $145K under 10b5-1 plans
Net −$1,060,264. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-09-17 | Lee Chan W Chief Operations Officer | Sale | −2,893 | $64.83 | $188K | 154,443 |
| 2026-06-17 | Lee Chan W Chief Operations Officer | Sale | −2,951 | $67.87 | $200K | 157,098 |
| 2026-03-19 | Lee Chan W Chief Operations Officer | Sale | −3,641 | $54.14 | $197K | 160,049 |
| 2026-03-18 | Lee Chan W Chief Operations Officer | Grant or award | +7,320 | 163,690 | ||
| 2026-03-17 | Lee Chan W Chief Operations Officer | Option exercise | +13,678 | 163,099 | ||
| 2026-03-17 | Lee Chan W Chief Operations Officer | Sale | −6,729 | $52.77 | $355K | 156,370 |
| 2026-03-17 | Lee Chan W Chief Operations Officer | Option exercise · Performance Stock Units | −13,678 | 0 | ||
| 2026-03-02 | Lee Chan W Chief Operations Officer | Grant or award | +24,701 | 149,267 | ||
| 2026-03-02 | Lee Chan W Chief Operations Officer | Grant or award · Performance Stock Units | +24,701 | 24,701 | ||
| 2025-12-17 | Lee Chan W Chief Operations Officer | Sale | −2,406 | $71.82 | $173K | 124,566 |
| 2025-09-17 | Lee Chan W Chief Operating Officer | Sale | −1,947 | $79.43 | $155K | 126,972 |
| 2025-06-17 | Lee Chan W Chief Operating Officer | Sale | −1,601 | $52.26 | $84K | 128,696 |
| 2025-03-18 | Lee Chan W Chief Operating Officer | Sale | −1,468 | $55.02 | $81K | 130,297 |
| 2025-03-06 | Lee Chan W Chief Operating Officer | Sale | −2,108 | $55.11 | $116K | 131,531 |
| 2025-03-05 | Lee Chan W Chief Operating Officer | Grant or award | +5,465 | 133,639 | ||
| 2025-02-28 | Lee Chan W Chief Operating Officer | Grant or award | +18,256 | 128,174 | ||
| 2025-02-28 | Lee Chan W Chief Operating Officer | Grant or award · Performance Stock Units | +18,256 | 18,256 | ||
| 2025-01-16 | Lee Chan W Chief Operating Officer | Sale | −1,000 | $77.21 | $77K | 109,918 |
| 2025-01-15 | Lee Chan W Chief Operating Officer | Sale | −1,000 | $75.90 | $76K | 110,918 |
| 2025-01-14 | Lee Chan W Chief Operating Officer | Sale | −1,000 | $75.68 | $76K | 111,918 |
Page 1 of 5 · 82 trades