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 | Ju Chi-Hong Senior VP, Systems & GM | Sale | −2,009 | $64.83 | $130K | 154,153 |
| 2026-07-01 | Ju Chi-Hong Senior VP, Systems & GM | Sale | −10,000 | $88.84 | $888K | 155,924 |
| 2026-06-17 | Ju Chi-Hong Senior VP, Systems & GM | Sale | −2,017 | $67.87 | $137K | 165,924 |
| 2026-03-19 | Ju Chi-Hong Senior VP, Systems & GM, Asia | Sale | −2,155 | $54.14 | $117K | 167,941 |
| 2026-03-18 | Ju Chi-Hong Senior VP, Systems & GM, Asia | Grant or award | +5,930 | 170,096 | ||
| 2026-03-17 | Ju Chi-Hong Senior VP, Systems & GM, Asia | Option exercise | +9,553 | 168,895 | ||
| 2026-03-17 | Ju Chi-Hong Senior VP, Systems & GM, Asia | Sale | −4,729 | $52.77 | $250K | 164,166 |
| 2026-03-17 | Ju Chi-Hong Senior VP, Systems & GM, Asia | Option exercise · Performance Stock Units | −9,553 | 0 | ||
| 2026-03-02 | Ju Chi-Hong Senior VP, Systems & GM, Asia | Grant or award | +17,329 | 159,188 | ||
| 2026-03-02 | Ju Chi-Hong Senior VP, Systems & GM, Asia | Grant or award · Performance Stock Units | +17,329 | 17,329 | ||
| 2026-01-05 | Ju Chi-Hong Senior VP, Systems & GM, Asia | Sale | −7,728 | $75.58 | $584K | 146,039 |
| 2025-12-30 | Ju Chi-Hong Senior VP, Systems & GM, Asia | Sale | −7,945 | $70.25 | $558K | 149,587 |
| 2025-12-30 | Ju Chi-Hong Senior VP, Systems & GM, Asia | Sale | −3,765 | $70.32 | $265K | 153,767 |
| 2025-12-17 | Ju Chi-Hong Senior VP, Systems & GM, Asia | Sale | −1,342 | $71.82 | $96K | 157,532 |
| 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 |
| 2025-09-17 | Ju Chi-Hong Sr. Vice President, Systems | Sale | −1,168 | $79.43 | $93K | 170,087 |
| 2025-06-17 | Ju Chi-Hong Sr. Vice President, Systems | Sale | −1,108 | $52.26 | $58K | 171,032 |
| 2025-03-18 | Ju Chi-Hong Sr. Vice President, Systems | Sale | −1,034 | $55.02 | $57K | 172,140 |
| 2025-03-06 | Ju Chi-Hong Sr. Vice President, Systems | Sale | −1,859 | $55.11 | $102K | 172,940 |
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