Ambarella Inc (AMBA) insider trading.
In Q3 2026, insiders at Ambarella Inc reported 16 non-derivative transactions on 16 Forms 3, 4 and 5: 0 open-market purchases and 9 sales worth $3.9M.
- Transactions
- 16
- Purchases (P)
- 0
- Sales (S)
- 9
- Net shares, P minus S
- -48,468
- Insiders
- 12
- Last filed
- 2026-09-28
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Paisley Christopher B | Director | 2 | 0 | 1 |
| Young John Alexander | Officer · CFO | 2 | 0 | 2 |
| Ju Chi-Hong | Officer · Senior VP, Systems & GM | 2 | 0 | 2 |
| Wang Feng-Ming | Director, Officer · CEO | 2 | 0 | 2 |
| Lee Chan W | Officer · Chief Operations Officer | 1 | 0 | 1 |
| Richardson David Jeffrey | Director | 1 | 0 | 0 |
| Hon Hsiao-Wuen | Director | 1 | 0 | 0 |
| Schwarting Elizabeth M | Director | 1 | 0 | 0 |
| Breithaupt Chantelle Yvette | Director | 1 | 0 | 0 |
| Bryant Gregory M | Director | 1 | 0 | 0 |
| Hu Chenming | Director | 1 | 0 | 0 |
| Chen Yun-Lung | Officer · VP, Business Dev. & Marketing | 1 | 0 | 1 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-25 | Paisley Christopher B | S (D) | 250 | $70.76 | 43,930 | Form 4 |
| 2026-09-18 | Young John Alexander | S (D) | 1,896 | $67.28 | 107,806 | Form 4 |
| 2026-09-17 | Young John Alexander | S (D) | 3,126 | $64.83 | 109,702 | Form 4 |
| 2026-09-17 | Lee Chan W | S (D) | 2,893 | $64.83 | 154,443 | Form 4 |
| 2026-09-17 | Ju Chi-Hong | S (D) | 2,009 | $64.83 | 154,153 | Form 4 |
| 2026-09-17 | Wang Feng-Ming | S (D) | 6,086 | $64.83 | 767,759 | Form 4 |
| 2026-09-08 | Paisley Christopher B | A (A) | 3,151 | $0 | 44,180 | Form 4 |
| 2026-09-08 | Richardson David Jeffrey | A (A) | 3,151 | $0 | 5,649 | Form 4 |
| 2026-09-08 | Hon Hsiao-Wuen | A (A) | 3,151 | $0 | 33,927 | Form 4 |
| 2026-09-08 | Schwarting Elizabeth M | A (A) | 3,151 | $0 | 9,841 | Form 4 |
| 2026-09-08 | Breithaupt Chantelle Yvette | A (A) | 3,151 | $0 | 8,091 | Form 4 |
| 2026-09-08 | Bryant Gregory M | A (A) | 3,151 | $0 | 5,608 | Form 4 |
| 2026-09-08 | Hu Chenming | A (A) | 3,151 | $0 | 32,667 | Form 4 |
| 2026-07-09 | Chen Yun-Lung | S (D) | 5,958 | $78.66 | 60,557 | Form 4 |
| 2026-07-01 | Wang Feng-Ming | S (D) | 16,250 | $90.08 | 773,607 | Form 4 |
| 2026-07-01 | Ju Chi-Hong | S (D) | 10,000 | $88.84 | 155,924 | Form 4 |
Transaction codes in this quarter
Get AMBA insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1280263&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · AMBA company page · Ambarella Inc on SEC.gov
Questions
Are insiders buying or selling Ambarella Inc (AMBA)?
In Q3 2026, insiders at Ambarella Inc reported 16 non-derivative transactions on 16 Forms 3, 4 and 5: 0 open-market purchases and 9 sales worth $3.9M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Ambarella Inc insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/amba.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.