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 |
|---|---|---|---|---|---|---|
| 2026-09-25 | PAISLEY CHRISTOPHER B Director | Sale 10b5-1 | −250 | $70.76 | $18K | 43,930 |
| 2026-09-18 | Young John Alexander CFO | Sale 10b5-1 | −1,896 | $67.28 | $128K | 107,806 |
| 2026-09-17 | Wang Feng-Ming CEO | Sale | −6,086 | $64.83 | $395K | 767,759 |
| 2026-09-17 | Ju Chi-Hong Senior VP, Systems & GM | Sale | −2,009 | $64.83 | $130K | 154,153 |
| 2026-09-17 | Lee Chan W Chief Operations Officer | Sale | −2,893 | $64.83 | $188K | 154,443 |
| 2026-09-17 | Young John Alexander CFO | Sale | −3,126 | $64.83 | $203K | 109,702 |
| 2026-09-08 | Hu Chenming Director | Grant or award | +3,151 | 32,667 | ||
| 2026-09-08 | Bryant Gregory M Director | Grant or award | +3,151 | 5,608 | ||
| 2026-09-08 | Breithaupt Chantelle Yvette Director | Grant or award | +3,151 | 8,091 | ||
| 2026-09-08 | Schwarting Elizabeth M Director | Grant or award | +3,151 | 9,841 | ||
| 2026-09-08 | Hon Hsiao-Wuen Director | Grant or award | +3,151 | 33,927 | ||
| 2026-09-08 | RICHARDSON DAVID JEFFREY Director | Grant or award | +3,151 | 5,649 | ||
| 2026-09-08 | PAISLEY CHRISTOPHER B Director | Grant or award | +3,151 | 44,180 | ||
| 2026-07-09 | Chen Yun-Lung VP, Business Dev. & Marketing | Sale | −5,958 | $78.66 | $469K | 60,557 |
| 2026-07-01 | Ju Chi-Hong Senior VP, Systems & GM | Sale | −10,000 | $88.84 | $888K | 155,924 |
| 2026-07-01 | Wang Feng-Ming CEO | Sale 10b5-1 | −16,250 | $90.08 | $1.5M | 773,607 |
| 2026-06-26 | PAISLEY CHRISTOPHER B Director | Sale 10b5-1 | −250 | $62.01 | $16K | 41,029 |
| 2026-06-17 | Young John Alexander CFO | Sale 10b5-1 | −3,186 | $67.87 | $216K | 114,437 |
| 2026-06-17 | Young John Alexander CFO | Sale 10b5-1 | −1,847 | $66.98 | $124K | 112,590 |
| 2026-06-17 | Lee Chan W Chief Operations Officer | Sale | −2,951 | $67.87 | $200K | 157,098 |
Page 1 of 30 · 591 trades