There have been 50 recent insider transactions recorded for Ambarella, Inc. (AMBA), including 16 buys and 31 sells. Total insider buying was valued at RSU Award and total insider selling at $8.59M.
Notable insiders with recent activity include Wang Feng-ming, Lee Chan W, Ju Chi-hong. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — AMBA
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-19 |
Wang Feng-ming |
CEO |
Informative Sell |
8,083 |
$54.14 |
$437.61K |
838,561 |
| 2026-03-19 |
Lee Chan W |
Chief Operations Officer |
Informative Sell |
3,641 |
$54.14 |
$197.12K |
160,049 |
| 2026-03-19 |
Ju Chi-hong |
Senior VP, Systems & GM, Asia |
Informative Sell |
2,155 |
$54.14 |
$116.67K |
167,941 |
| 2026-03-19 |
Young John Alexander |
CFO |
Informative Sell |
3,038 |
$54.14 |
$164.48K |
119,594 |
| 2026-03-18 |
Wang Feng-ming |
CEO |
RSU Award |
15,686 |
- |
- |
846,644 |
| 2026-03-18 |
Chen Yun-lung |
VP, Business Development and M |
RSU Award |
2,849 |
- |
- |
76,371 |
| 2026-03-18 |
Lee Chan W |
Chief Operations Officer |
RSU Award |
7,320 |
- |
- |
163,690 |
| 2026-03-18 |
Ju Chi-hong |
Senior VP, Systems & GM, Asia |
RSU Award |
5,930 |
- |
- |
170,096 |
| 2026-03-18 |
Young John Alexander |
CFO |
RSU Award |
5,560 |
- |
- |
122,632 |
| 2026-03-17 |
Wang Feng-ming |
CEO |
Option Exercise (Sell) |
27,598 |
- |
- |
- |
| 2026-03-17 |
Chen Yun-lung |
VP, Business Development and M |
Option Exercise (Sell) |
4,651 |
- |
- |
- |
| 2026-03-17 |
Lee Chan W |
Chief Operations Officer |
Option Exercise (Sell) |
13,678 |
- |
- |
- |
| 2026-03-17 |
Ju Chi-hong |
Senior VP, Systems & GM, Asia |
Option Exercise (Sell) |
9,553 |
- |
- |
- |
| 2026-03-17 |
Young John Alexander |
CFO |
Option Exercise (Sell) |
3,556 |
- |
- |
- |
| 2026-03-02 |
Wang Feng-ming |
CEO |
Option Exercise (Sell) |
50,000 |
$41.36 |
$2.07M |
- |
| 2026-03-02 |
Chen Yun-lung |
VP, Business Development and M |
RSU Award |
7,220 |
- |
- |
7,220 |
| 2026-03-02 |
Bryant Gregory M |
Director |
RSU Award |
2,457 |
- |
- |
2,457 |
| 2026-03-02 |
Lee Chan W |
Chief Operations Officer |
RSU Award |
24,701 |
- |
- |
24,701 |
| 2026-03-02 |
Ju Chi-hong |
Senior VP, Systems & GM, Asia |
RSU Award |
17,329 |
- |
- |
17,329 |
| 2026-03-02 |
Young John Alexander |
CFO |
RSU Award |
15,201 |
- |
- |
15,201 |
| 2026-02-23 |
Bryant Gregory M |
Director |
Unknown |
- |
- |
- |
- |
| 2026-01-05 |
Ju Chi-hong |
Senior VP, Systems & GM, Asia |
Informative Sell |
7,728 |
$75.58 |
$584.11K |
146,039 |
| 2025-12-30 |
Ju Chi-hong |
Senior VP, Systems & GM, Asia |
Informative Sell |
7,945 |
$70.25 |
$558.14K |
149,587 |
| 2025-12-30 |
Ju Chi-hong |
Senior VP, Systems & GM, Asia |
Informative Sell |
3,765 |
$70.32 |
$264.75K |
153,767 |
| 2025-12-26 |
Paisley Christopher B |
Director |
Informative Sell |
500 |
$72.18 |
$36.09K |
41,279 |
| 2025-12-19 |
Wang Feng-ming |
CEO |
Gift (Given) |
15,000 |
- |
- |
768,979 |
| 2025-12-18 |
Young John Alexander |
CFO |
Informative Sell |
3,791 |
$72.96 |
$276.59K |
102,738 |
| 2025-12-17 |
Wang Feng-ming |
CEO |
Informative Sell |
4,950 |
$71.82 |
$355.51K |
783,979 |
| 2025-12-17 |
Lee Chan W |
Chief Operations Officer |
Informative Sell |
2,406 |
$71.82 |
$172.8K |
124,566 |
| 2025-12-17 |
Ju Chi-hong |
Senior VP, Systems & GM, Asia |
Informative Sell |
1,342 |
$71.82 |
$96.38K |
157,532 |
| 2025-12-17 |
Young John Alexander |
CFO |
Informative Sell |
2,579 |
$71.82 |
$185.22K |
106,529 |
| 2025-12-16 |
Schwarting Elizabeth M |
Director |
Informative Sell |
624 |
$72.38 |
$45.16K |
6,690 |
| 2025-12-15 |
Richardson David Jeffrey |
Director |
Gift (Given) |
2,531 |
- |
- |
2,498 |
| 2025-10-14 |
Ju Chi-hong |
Senior VP, Systems & GM, Asia |
Informative Sell |
6,156 |
$80.96 |
$498.39K |
158,874 |
| 2025-10-13 |
Ju Chi-hong |
Senior VP, Systems & GM, Asia |
Informative Sell |
5,057 |
$81.29 |
$411.09K |
165,030 |
| 2025-10-06 |
Schwarting Elizabeth M |
Director |
Informative Sell |
2,664 |
$85.38 |
$227.44K |
7,314 |
| 2025-09-17 |
Kohn Leslie |
Chief Technology Officer |
Informative Sell |
2,249 |
$79.43 |
$178.64K |
977,428 |
| 2025-09-17 |
Wang Feng-ming |
CEO |
Informative Sell |
4,928 |
$79.43 |
$391.43K |
788,929 |
| 2025-09-17 |
Lee Chan W |
Chief Operating Officer |
Informative Sell |
1,947 |
$79.43 |
$154.65K |
126,972 |
| 2025-09-17 |
Ju Chi-hong |
Sr. Vice President, Systems |
Informative Sell |
1,168 |
$79.43 |
$92.77K |
170,087 |
| 2025-09-17 |
Young John Alexander |
CFO |
Informative Sell |
2,566 |
$79.43 |
$203.82K |
109,108 |
| 2025-09-10 |
Chen Yun-lung |
VP, Business Development |
Informative Sell |
8,492 |
$84.42 |
$716.89K |
61,651 |
| 2025-09-02 |
Paisley Christopher B |
Director |
RSU Award |
2,498 |
- |
- |
41,779 |
| 2025-09-02 |
Hu Chenming |
Director |
RSU Award |
2,498 |
- |
- |
29,516 |
| 2025-09-02 |
Richardson David Jeffrey |
Director |
RSU Award |
2,498 |
- |
- |
5,029 |
| 2025-09-02 |
Hon Hsiao-wuen |
Director |
RSU Award |
2,498 |
- |
- |
30,776 |
| 2025-09-02 |
Schwarting Elizabeth M |
Director |
RSU Award |
2,498 |
- |
- |
9,978 |
| 2025-09-02 |
Breithaupt Chantelle Yvette |
Director |
RSU Award |
2,498 |
- |
- |
4,940 |
| 2025-06-25 |
Paisley Christopher B |
Director |
Informative Sell |
1,000 |
$62.58 |
$62.58K |
39,281 |
| 2025-06-17 |
Kohn Leslie |
Chief Technology Officer |
Informative Sell |
1,715 |
$52.26 |
$89.63K |
979,677 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
