$AMBA insider trading
Over the last 12 months, Ambarella insiders reported no purchases and 35 sales totaling $18.4M across SEC Form 4 filings. 26% of those filings were made under pre-arranged 10b5-1 trading plans.
- Bought · 12m
- — 0 events
- Sold · 12m
- $18.4M 35 events
- Events · 12m
- 35 Form 4 filings, grouped
- Insiders · 12m
- 8 distinct reporters
- 10b5-1 share
- 26% of events, not dollars
All insider trades
Scroll the table sideways for price, value and marks.
| Date | Insider | Type | Shares | Avg price | Value | Δ stake | Marks |
|---|---|---|---|---|---|---|---|
| Jul 9, 2026 | Chen Yun-LungVP, Business Dev. & Marketing · O | ▼ Sale | 5,958 | $78.66 | $469K | -9% | — |
| Jul 1, 2026 | Ju Chi-HongSenior VP, Systems & GM · O | ▼ Sale | 10,000 | $88.84 | $888K | -6% | — |
| Jul 1, 2026 | Wang Feng-MingCEO · O·D | ▼ Sale | 16,250 | $90.08 | $1.5M | -2.1% | plan |
| Jun 26, 2026 | PAISLEY CHRISTOPHER BD | ▼ Sale | 250 | $62.01 | $16K | -0.6% | plan |
| Jun 17, 2026 | Young John AlexanderCFO · O | ▼ Sale | 5,033 | $67.54 | $340K | -4.3% | plan · 2 tranches |
| Jun 17, 2026 | Lee Chan WChief Operations Officer · O | ▼ Sale | 2,951 | $67.87 | $200K | -1.8% | — |
| Jun 17, 2026 | Ju Chi-HongSenior VP, Systems & GM · O | ▼ Sale | 2,017 | $67.87 | $137K | -1.2% | — |
| Jun 17, 2026 | Wang Feng-MingCEO · O·D | ▼ Sale | 6,204 | $67.87 | $421K | -0.8% | — |
| Jun 12, 2026 | Chen Yun-LungVP, Business Development and · O | ▼ Sale | 9,856 | $67.06 | $661K | -12.9% | — |
| May 26, 2026 | Young John AlexanderCFO · O | ▼ Sale | 400 | $96 | $38K | -0.3% | plan |
| May 26, 2026 | Wang Feng-MingCEO · O·D | ▼ Sale | 9,150 | $92.05 | $842K | -1.1% | plan |
| May 26, 2026 | Wang Feng-MingCEO · O·D | ▼ Sale | 6,065 | $91.23 | $553K | -0.7% | plan |
| May 26, 2026 | Wang Feng-MingCEO · O·D | ▼ Sale | 17,285 | $90.38 | $1.6M | -2.1% | plan |
| Apr 21, 2026 | Young John AlexanderCFO · O | ▼ Sale | 1,971 | $60 | $118K | -1.6% | plan |
| Mar 19, 2026 | Young John AlexanderCFO · O | ▼ Sale | 7,615 | $53.32 | $406K | -6% | 2 tranches |
| Mar 19, 2026 | Lee Chan WChief Operations Officer · O | ▼ Sale | 10,370 | $53.25 | $552K | -6.1% | 2 tranches |
| Mar 19, 2026 | Ju Chi-HongSenior VP, Systems & GM, Asia · O | ▼ Sale | 6,884 | $53.2 | $366K | -3.9% | 2 tranches |
| Mar 19, 2026 | Wang Feng-MingCEO · O·D | ▼ Sale | 27,059 | $53.18 | $1.4M | -3.1% | 2 tranches |
| Mar 2, 2026 | Wang Feng-MingCEO · O·D | ▼ Sale | 50,000 | $60.8 | $3.0M | -6.1% | plan · 5 tranches |
| Jan 5, 2026 | Ju Chi-HongSenior VP, Systems & GM, Asia · O | ▼ Sale | 7,728 | $75.58 | $584K | -5% | — |
| Dec 30, 2025 | Ju Chi-HongSenior VP, Systems & GM, Asia · O | ▼ Sale | 3,765 | $70.32 | $265K | -2.4% | — |
| Dec 26, 2025 | PAISLEY CHRISTOPHER BD | ▼ Sale | 500 | $72.18 | $36K | -1.2% | — |
| Dec 18, 2025 | Young John AlexanderCFO · O | ▼ Sale | 6,370 | $72.5 | $462K | -5.8% | 2 tranches |
| Dec 17, 2025 | Lee Chan WChief Operations Officer · O | ▼ Sale | 2,406 | $71.82 | $173K | -1.9% | — |
| Dec 17, 2025 | Ju Chi-HongSenior VP, Systems & GM, Asia · O | ▼ Sale | 1,342 | $71.82 | $96K | -0.8% | — |
| Dec 17, 2025 | Wang Feng-MingCEO · O·D | ▼ Sale | 4,950 | $71.82 | $356K | -0.6% | — |
| Dec 16, 2025 | Schwarting Elizabeth MD | ▼ Sale | 624 | $72.38 | $45K | -8.5% | — |
| Oct 14, 2025 | Ju Chi-HongSenior VP, Systems & GM, Asia · O | ▼ Sale | 11,213 | $81.11 | $909K | -6.6% | 2 tranches |
| Oct 6, 2025 | Schwarting Elizabeth MD | ▼ Sale | 2,664 | $85.38 | $227K | -26.7% | — |
| Sep 17, 2025 | Young John AlexanderCFO · O | ▼ Sale | 2,566 | $79.43 | $204K | -2.3% | — |
| Sep 17, 2025 | Lee Chan WChief Operating Officer · O | ▼ Sale | 1,947 | $79.43 | $155K | -1.5% | — |
| Sep 17, 2025 | Kohn LeslieChief Technology Officer · O·D | ▼ Sale | 2,249 | $79.43 | $179K | -0.2% | — |
| Sep 17, 2025 | Ju Chi-HongSr. Vice President, Systems · O | ▼ Sale | 1,168 | $79.43 | $93K | -0.7% | — |
| Sep 17, 2025 | Wang Feng-MingCEO · O·D | ▼ Sale | 4,928 | $79.43 | $391K | -0.6% | — |
| Sep 10, 2025 | Chen Yun-LungVP, Business Development · O | ▼ Sale | 8,492 | $84.42 | $717K | -12.1% | — |
Every $AMBA filing on this page is one API call away
The same Form 4 data over REST or MCP, already grouped into events with the plan flag and the dollar value read. A free key does 100 calls a day and needs no card. Prefer email? Ambarella filings can reach your inbox instead.
Corporate insiders — officers, directors and 10%+ owners — must report their trades to the SEC on Form 4 within two business days. This page shows open-market activity: purchases (code P), sales (S) and dispositions back to the issuer (D). Scheduled compensation events such as stock grants and option exercises are also filed on Form 4 but carry no trading signal, so they are not shown and counts here can be lower than the raw EDGAR filing total. We group each filing's transactions into one economic event (a laddered 10b5-1 sale is one event, not 25 rows), flag pre-arranged plans and late filings, and link every event to its AI-scored article in the $AMBA feed.