CIK 0001280263 · Large accelerated filer
AMBARELLA INC
Sign in to watch- Ticker
- 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 |
|---|---|---|---|---|---|---|
| 2026-06-17 | Ju Chi-Hong Senior VP, Systems & GM | Sale | −2,017 | $67.87 | $137K | 165,924 |
| 2026-06-17 | Wang Feng-Ming CEO | Sale | −6,204 | $67.87 | $421K | 799,857 |
| 2026-06-17 | Wang Feng-Ming CEO | Gift | −10,000 | 789,857 | ||
| 2026-06-12 | Chen Yun-Lung VP, Business Development and | Sale | −9,856 | $67.06 | $661K | 66,515 |
| 2026-05-26 | Young John Alexander CFO | Option exercise 10b5-1 | +400 | $55.80 | $22K | 118,023 |
| 2026-05-26 | Young John Alexander CFO | Sale 10b5-1 | −400 | $96.00 | $38K | 117,623 |
| 2026-05-26 | Young John Alexander CFO | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −400 | 24,600 | ||
| 2026-05-26 | Wang Feng-Ming CEO | Sale 10b5-1 | −17,285 | $90.38 | $1.6M | 821,276 |
| 2026-05-26 | Wang Feng-Ming CEO | Sale 10b5-1 | −6,065 | $91.23 | $553K | 815,211 |
| 2026-05-26 | Wang Feng-Ming CEO | Sale 10b5-1 | −9,150 | $92.05 | $842K | 806,061 |
| 2026-04-21 | Young John Alexander CFO | Sale 10b5-1 | −1,971 | $60.00 | $118K | 117,623 |
| 2026-03-19 | Young John Alexander CFO | Sale | −3,038 | $54.14 | $164K | 119,594 |
| 2026-03-19 | Lee Chan W Chief Operations Officer | Sale | −3,641 | $54.14 | $197K | 160,049 |
| 2026-03-19 | Ju Chi-Hong Senior VP, Systems & GM, Asia | Sale | −2,155 | $54.14 | $117K | 167,941 |
| 2026-03-19 | Wang Feng-Ming CEO | Sale | −8,083 | $54.14 | $438K | 838,561 |
| 2026-03-18 | Young John Alexander CFO | Grant or award | +5,560 | 122,632 | ||
| 2026-03-18 | Chen Yun-Lung VP, Business Development and M | Grant or award | +2,849 | 76,371 | ||
| 2026-03-18 | Lee Chan W Chief Operations Officer | Grant or award | +7,320 | 163,690 | ||
| 2026-03-18 | Ju Chi-Hong Senior VP, Systems & GM, Asia | Grant or award | +5,930 | 170,096 | ||
| 2026-03-18 | Wang Feng-Ming CEO | Grant or award | +15,686 | 846,644 |
Page 2 of 30 · 591 trades