AMBA
Ambarella, Inc.$63.60-1.26 (-1.94%)Prev Close$64.86·MCap$2.63B·P/E—·Vol285.0K·Yield—
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
23
$5.58M
◆
Net Activity
Net Seller
$5.58M
●
Active Insiders
9
last 12 mo
Over the past 12 months, insider activity at Ambarella, Inc. (AMBA) has been exclusively selling, with 0 insider purchases totaling $0.00 and 23 insider sales totaling $5.58M. The most recent insider transaction was by Ju Chi-Hong (Senior VP, Systems & GM, Asia), who sold $584.1K worth of shares on Jan 5, 2026. Ambarella, Inc. operates in the Technology sector, within the Semiconductors industry, with a market cap of $2.63B.
AMBA Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jan 5, 2026 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | Sell | 7,728 | $75.58 | $584.1K | 0 |
| Dec 30, 2025 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | Sell | 3,765 | $70.32 | $264.8K | 0 |
| Dec 26, 2025 | PAISLEY CHRISTOPHER B | Director | Sell | 500 | $72.18 | $36.1K | 0 |
| Dec 17, 2025 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | Sell | 1,342 | $71.82 | $96.4K | 0 |
| Dec 17, 2025 | Lee Chan W | Chief Operations Officer | Sell | 2,406 | $71.82 | $172.8K | 0 |
| Dec 17, 2025 | Wang Feng-Ming | CEO | Sell | 4,950 | $71.82 | $355.5K | 0 |
| Dec 17, 2025 | Young John Alexander | CFO | Sell | 6,370 | $72.50 | $461.8K | 0 |
| Dec 16, 2025 | Schwarting Elizabeth M | Director | Sell | 624 | $72.38 | $45.2K | 0 |
| Oct 13, 2025 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | Sell | 11,213 | $81.11 | $909.5K | 0 |
| Oct 6, 2025 | Schwarting Elizabeth M | Director | Sell | 2,664 | $85.38 | $227.4K | 0 |
| Sep 17, 2025 | Ju Chi-Hong | Sr. Vice President, Systems | Sell | 1,168 | $79.43 | $92.8K | 0 |
| Sep 17, 2025 | Kohn Leslie | Chief Technology Officer | Sell | 2,249 | $79.43 | $178.6K | 0 |
| Sep 17, 2025 | Lee Chan W | Chief Operating Officer | Sell | 1,947 | $79.43 | $154.7K | 0 |
| Sep 17, 2025 | Wang Feng-Ming | CEO | Sell | 4,928 | $79.43 | $391.4K | 0 |
| Sep 17, 2025 | Young John Alexander | CFO | Sell | 2,566 | $79.43 | $203.8K | 0 |
| Sep 10, 2025 | Chen Yun-Lung | VP, Business Development | Sell | 8,492 | $84.42 | $716.9K | 0 |
| Jun 25, 2025 | PAISLEY CHRISTOPHER B | Director | Sell | 1,000 | $62.58 | $62.6K | 0 |
| Jun 17, 2025 | Day Christopher | VP, Marketing | Sell | 342 | $52.26 | $17.9K | 0 |
| Jun 17, 2025 | Ju Chi-Hong | Sr. Vice President, Systems | Sell | 1,108 | $52.26 | $57.9K | 0 |
| Jun 17, 2025 | Kohn Leslie | Chief Technology Officer | Sell | 1,715 | $52.26 | $89.6K | 0 |
| Jun 17, 2025 | Lee Chan W | Chief Operating Officer | Sell | 1,601 | $52.26 | $83.7K | 0 |
| Jun 17, 2025 | Wang Feng-Ming | CEO | Sell | 4,677 | $52.26 | $244.4K | 0 |
| Jun 17, 2025 | Young John Alexander | CFO | Sell | 2,435 | $52.26 | $127.3K | 0 |
| Mar 25, 2025 | PAISLEY CHRISTOPHER B | Director | Sell | 500 | $55.50 | $27.8K | 0 |
| Mar 18, 2025 | Day Christopher | VP, Marketing | Sell | 479 | $55.02 | $26.4K | 0 |
| Mar 18, 2025 | Ju Chi-Hong | Sr. Vice President, Systems | Sell | 1,034 | $55.02 | $56.9K | 0 |
| Mar 18, 2025 | Kohn Leslie | Chief Technology Officer | Sell | 1,584 | $55.02 | $87.2K | 0 |
| Mar 18, 2025 | Lee Chan W | Chief Operating Officer | Sell | 1,468 | $55.02 | $80.8K | 0 |
| Mar 18, 2025 | Wang Feng-Ming | CEO | Sell | 3,194 | $55.02 | $175.7K | 0 |
| Mar 18, 2025 | Young John Alexander | CFO | Sell | 2,103 | $55.02 | $115.7K | 0 |
| Mar 17, 2025 | Schwarting Elizabeth M | Director | Sell | 422 | $55.90 | $23.6K | 0 |
| Mar 5, 2025 | Day Christopher | VP, Marketing | Sell | 834 | $55.11 | $46.0K | 0 |
| Feb 28, 2025 | Ju Chi-Hong | Sr. Vice President, Systems | Sell | 1,859 | $55.11 | $102.4K | 0 |
| Feb 28, 2025 | Kohn Leslie | Chief Technology Officer | Sell | 2,316 | $55.11 | $127.6K | 0 |
| Feb 28, 2025 | Lee Chan W | Chief Operating Officer | Sell | 2,108 | $55.11 | $116.2K | 0 |
| Feb 28, 2025 | Wang Feng-Ming | CEO | Sell | 4,104 | $55.11 | $226.2K | 0 |
| Feb 28, 2025 | Young John Alexander | CFO | Sell | 2,663 | $55.11 | $146.8K | 0 |
| Jan 15, 2025 | Lee Chan W | Chief Operating Officer | Sell | 2,000 | $76.56 | $153.1K | 0 |
| Jan 10, 2025 | Lee Chan W | Chief Operating Officer | Sell | 3,000 | $74.43 | $223.3K | 0 |
| Jan 6, 2025 | Lee Chan W | Chief Operating Officer | Sell | 3,000 | $77.12 | $231.4K | 0 |
| Jan 3, 2025 | Day Christopher | VP, Marketing | Sell | 1,247 | $78.10 | $97.4K | 0 |
| Jan 2, 2025 | Lee Chan W | Chief Operating Officer | Sell | 2,000 | $74.19 | $148.4K | 0 |
| Dec 26, 2024 | PAISLEY CHRISTOPHER B | Director | Sell | 1,500 | $73.80 | $110.7K | 0 |
| Dec 18, 2024 | Day Christopher | VP, Marketing | Sell | 929 | $75.40 | $70.0K | 0 |
| Dec 18, 2024 | Schwarting Elizabeth M | Director | Sell | 253 | $71.55 | $18.1K | 0 |
| Dec 16, 2024 | Day Christopher | VP, Marketing | Sell | 482 | $75.41 | $36.3K | 0 |
| Dec 16, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | Sell | 1,048 | $75.41 | $79.0K | 0 |
| Dec 16, 2024 | Kohn Leslie | Chief Technology Officer | Sell | 1,757 | $75.41 | $132.5K | 0 |
| Dec 16, 2024 | Lee Chan W | Chief Operating Officer | Sell | 1,488 | $75.41 | $112.2K | 0 |
| Dec 16, 2024 | Wang Feng-Ming | CEO | Sell | 4,296 | $75.41 | $324.0K | 0 |
Showing 1–50 of 216
1 / 5
AMBA Insider Buying Activity
The following table shows recent insider purchases of Ambarella, Inc. (AMBA) stock reported via SEC Form 4 filings.
No insider buying activity found for AMBA in the last 12 months.
AMBA Insider Selling Activity
The following table shows recent insider sales of Ambarella, Inc. (AMBA) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jan 5, 2026 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | Sell | 7,728 | $75.58 | $584.1K | 0 |
| Dec 30, 2025 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | Sell | 3,765 | $70.32 | $264.8K | 0 |
| Dec 26, 2025 | PAISLEY CHRISTOPHER B | Director | Sell | 500 | $72.18 | $36.1K | 0 |
| Dec 17, 2025 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | Sell | 1,342 | $71.82 | $96.4K | 0 |
| Dec 17, 2025 | Lee Chan W | Chief Operations Officer | Sell | 2,406 | $71.82 | $172.8K | 0 |
| Dec 17, 2025 | Wang Feng-Ming | CEO | Sell | 4,950 | $71.82 | $355.5K | 0 |
| Dec 17, 2025 | Young John Alexander | CFO | Sell | 6,370 | $72.50 | $461.8K | 0 |
| Dec 16, 2025 | Schwarting Elizabeth M | Director | Sell | 624 | $72.38 | $45.2K | 0 |
| Oct 13, 2025 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | Sell | 11,213 | $81.11 | $909.5K | 0 |
| Oct 6, 2025 | Schwarting Elizabeth M | Director | Sell | 2,664 | $85.38 | $227.4K | 0 |
| Sep 17, 2025 | Ju Chi-Hong | Sr. Vice President, Systems | Sell | 1,168 | $79.43 | $92.8K | 0 |
| Sep 17, 2025 | Kohn Leslie | Chief Technology Officer | Sell | 2,249 | $79.43 | $178.6K | 0 |
| Sep 17, 2025 | Lee Chan W | Chief Operating Officer | Sell | 1,947 | $79.43 | $154.7K | 0 |
| Sep 17, 2025 | Wang Feng-Ming | CEO | Sell | 4,928 | $79.43 | $391.4K | 0 |
| Sep 17, 2025 | Young John Alexander | CFO | Sell | 2,566 | $79.43 | $203.8K | 0 |
| Sep 10, 2025 | Chen Yun-Lung | VP, Business Development | Sell | 8,492 | $84.42 | $716.9K | 0 |
| Jun 25, 2025 | PAISLEY CHRISTOPHER B | Director | Sell | 1,000 | $62.58 | $62.6K | 0 |
| Jun 17, 2025 | Day Christopher | VP, Marketing | Sell | 342 | $52.26 | $17.9K | 0 |
| Jun 17, 2025 | Ju Chi-Hong | Sr. Vice President, Systems | Sell | 1,108 | $52.26 | $57.9K | 0 |
| Jun 17, 2025 | Kohn Leslie | Chief Technology Officer | Sell | 1,715 | $52.26 | $89.6K | 0 |
| Jun 17, 2025 | Lee Chan W | Chief Operating Officer | Sell | 1,601 | $52.26 | $83.7K | 0 |
| Jun 17, 2025 | Wang Feng-Ming | CEO | Sell | 4,677 | $52.26 | $244.4K | 0 |
| Jun 17, 2025 | Young John Alexander | CFO | Sell | 2,435 | $52.26 | $127.3K | 0 |
| Mar 25, 2025 | PAISLEY CHRISTOPHER B | Director | Sell | 500 | $55.50 | $27.8K | 0 |
| Mar 18, 2025 | Day Christopher | VP, Marketing | Sell | 479 | $55.02 | $26.4K | 0 |
| Mar 18, 2025 | Ju Chi-Hong | Sr. Vice President, Systems | Sell | 1,034 | $55.02 | $56.9K | 0 |
| Mar 18, 2025 | Kohn Leslie | Chief Technology Officer | Sell | 1,584 | $55.02 | $87.2K | 0 |
| Mar 18, 2025 | Lee Chan W | Chief Operating Officer | Sell | 1,468 | $55.02 | $80.8K | 0 |
| Mar 18, 2025 | Wang Feng-Ming | CEO | Sell | 3,194 | $55.02 | $175.7K | 0 |
| Mar 18, 2025 | Young John Alexander | CFO | Sell | 2,103 | $55.02 | $115.7K | 0 |
| Mar 17, 2025 | Schwarting Elizabeth M | Director | Sell | 422 | $55.90 | $23.6K | 0 |
| Mar 5, 2025 | Day Christopher | VP, Marketing | Sell | 834 | $55.11 | $46.0K | 0 |
| Feb 28, 2025 | Ju Chi-Hong | Sr. Vice President, Systems | Sell | 1,859 | $55.11 | $102.4K | 0 |
| Feb 28, 2025 | Kohn Leslie | Chief Technology Officer | Sell | 2,316 | $55.11 | $127.6K | 0 |
| Feb 28, 2025 | Lee Chan W | Chief Operating Officer | Sell | 2,108 | $55.11 | $116.2K | 0 |
| Feb 28, 2025 | Wang Feng-Ming | CEO | Sell | 4,104 | $55.11 | $226.2K | 0 |
| Feb 28, 2025 | Young John Alexander | CFO | Sell | 2,663 | $55.11 | $146.8K | 0 |
| Jan 15, 2025 | Lee Chan W | Chief Operating Officer | Sell | 2,000 | $76.56 | $153.1K | 0 |
| Jan 10, 2025 | Lee Chan W | Chief Operating Officer | Sell | 3,000 | $74.43 | $223.3K | 0 |
| Jan 6, 2025 | Lee Chan W | Chief Operating Officer | Sell | 3,000 | $77.12 | $231.4K | 0 |
| Jan 3, 2025 | Day Christopher | VP, Marketing | Sell | 1,247 | $78.10 | $97.4K | 0 |
| Jan 2, 2025 | Lee Chan W | Chief Operating Officer | Sell | 2,000 | $74.19 | $148.4K | 0 |
| Dec 26, 2024 | PAISLEY CHRISTOPHER B | Director | Sell | 1,500 | $73.80 | $110.7K | 0 |
| Dec 18, 2024 | Day Christopher | VP, Marketing | Sell | 929 | $75.40 | $70.0K | 0 |
| Dec 18, 2024 | Schwarting Elizabeth M | Director | Sell | 253 | $71.55 | $18.1K | 0 |
| Dec 16, 2024 | Day Christopher | VP, Marketing | Sell | 482 | $75.41 | $36.3K | 0 |
| Dec 16, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | Sell | 1,048 | $75.41 | $79.0K | 0 |
| Dec 16, 2024 | Kohn Leslie | Chief Technology Officer | Sell | 1,757 | $75.41 | $132.5K | 0 |
| Dec 16, 2024 | Lee Chan W | Chief Operating Officer | Sell | 1,488 | $75.41 | $112.2K | 0 |
| Dec 16, 2024 | Wang Feng-Ming | CEO | Sell | 4,296 | $75.41 | $324.0K | 0 |
AMBA Insiders
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