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 |
|---|---|---|---|---|---|---|
| 2025-12-17 | Ju Chi-Hong Senior VP, Systems & GM, Asia | Sale | −1,342 | $71.82 | $96K | 157,532 |
| 2025-12-17 | Wang Feng-Ming CEO | Sale | −4,950 | $71.82 | $356K | 783,979 |
| 2025-12-16 | Schwarting Elizabeth M Director | Sale | −624 | $72.38 | $45K | 6,690 |
| 2025-12-15 | RICHARDSON DAVID JEFFREY Director | Gift | −2,531 | 2,498 | ||
| 2025-12-15 | RICHARDSON DAVID JEFFREY Director | Gift | +2,531 | 25,812 | ||
| 2025-10-14 | Ju Chi-Hong Senior VP, Systems & GM, Asia | Sale | −6,156 | $80.96 | $498K | 158,874 |
| 2025-10-13 | Ju Chi-Hong Senior VP, Systems & GM, Asia | Sale | −5,057 | $81.29 | $411K | 165,030 |
| 2025-10-06 | Schwarting Elizabeth M Director | Sale | −2,664 | $85.38 | $227K | 7,314 |
| 2025-09-17 | Young John Alexander CFO | Sale | −2,566 | $79.43 | $204K | 109,108 |
| 2025-09-17 | Lee Chan W Chief Operating Officer | Sale | −1,947 | $79.43 | $155K | 126,972 |
| 2025-09-17 | Kohn Leslie Chief Technology Officer | Sale | −2,249 | $79.43 | $179K | 977,428 |
| 2025-09-17 | Ju Chi-Hong Sr. Vice President, Systems | Sale | −1,168 | $79.43 | $93K | 170,087 |
| 2025-09-17 | Wang Feng-Ming CEO | Sale | −4,928 | $79.43 | $391K | 788,929 |
| 2025-09-10 | Chen Yun-Lung VP, Business Development | Sale | −8,492 | $84.42 | $717K | 61,651 |
| 2025-09-02 | Breithaupt Chantelle Yvette Director | Grant or award | +2,498 | 4,940 | ||
| 2025-09-02 | Schwarting Elizabeth M Director | Grant or award | +2,498 | 9,978 | ||
| 2025-09-02 | Hon Hsiao-Wuen Director | Grant or award | +2,498 | 30,776 | ||
| 2025-09-02 | RICHARDSON DAVID JEFFREY Director | Grant or award | +2,498 | 5,029 | ||
| 2025-09-02 | PAISLEY CHRISTOPHER B Director | Grant or award | +2,498 | 41,779 | ||
| 2025-09-02 | Hu Chenming Director | Grant or award | +2,498 | 29,516 |
Page 5 of 30 · 591 trades