Ambarella, Inc. (AMBA) Insider Trading Activity — Form 4 Filings
Recent AMBA insider trading activity from SEC Form 4 filings, including executive and director buys, sells, awards, filing dates, and data limitations.
Direct answer: Ambarella, Inc. (AMBA) has more selling than buying in the recent Form 4 activity available here. The data includes 81 parsed transactions from SEC filings.
SEC data retrieved .
Ambarella, Inc. insider activity summary
Recent activity includes 0 open-market buys, 52 sells, and other Form 4 transactions. Buy and sell counts summarize the available recent filings; they are not a complete measure of insider conviction.
Recent Form 4 transactions
| Date | Insider | Type | Reported value |
|---|
| Sep 17, 2026 |
Wang Feng-Ming |
SELL |
$394,555 |
| Sep 17, 2026 |
Ju Chi-Hong |
SELL |
$130,243 |
| Sep 17, 2026 |
Lee Chan W |
SELL |
$187,553 |
| Sep 17, 2026 |
Young John Alexander |
SELL |
$202,659 |
| Sep 8, 2026 |
Hu Chenming |
AWARD |
Not disclosed |
| Sep 8, 2026 |
Bryant Gregory M |
AWARD |
Not disclosed |
| Sep 8, 2026 |
Breithaupt Chantelle Yvette |
AWARD |
Not disclosed |
| Sep 8, 2026 |
Schwarting Elizabeth M |
AWARD |
Not disclosed |
| Sep 8, 2026 |
Hon Hsiao-Wuen |
AWARD |
Not disclosed |
| Sep 8, 2026 |
RICHARDSON DAVID JEFFREY |
AWARD |
Not disclosed |
| Sep 8, 2026 |
PAISLEY CHRISTOPHER B |
AWARD |
Not disclosed |
| Jul 9, 2026 |
Chen Yun-Lung |
SELL |
$468,656 |
Sources and limitations
Source: SEC EDGAR Form 4 filings. Filing data can be delayed, amended, incomplete, or affected by SEC rate limits. Scheduled sales, awards, exercises, and open-market trades have different meanings. This page is informational and is not financial advice.
Showing partial data — 43 of 100 filings could not be fetched due to SEC rate limiting.
Frequently asked questions
When was AMBA insider data retrieved?
Sep 19, 2026, 3:00 PM UTC.
Does insider buying guarantee a higher stock price?
No. Insider transactions are one data point and do not predict future returns.
View the full AMBA stock analysis · Search another ticker's Form 4 filings
The information on this page is for educational and informational purposes only and does not constitute professional financial advice.