| Insiders | Shares | % | Avg Price | Total $ | |
|---|---|---|---|---|---|
| Buys | 0 | ||||
| Sells | 9 | -144,097 | 100% | $67.62 | -$9,743,601 |
| Net | -9 | -144,097 | -100% | -$9,743,601 |
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Report Date |
|---|---|---|---|---|---|
| Leslie Kohn | Chief Technology Officer, Director | $77,637,106 | -$268,264 | -0.34% | 17 Sep 2025 |
| Feng-Ming Wang | CEO, Director | $54,979,310 | -$4,031,391 | -6.8% | 02 Mar 2026 |
| Chi-Hong Ju | Senior VP, Systems & GM, Asia | $11,179,861 | -$2,563,540 | -19% | 02 Mar 2026 |
| Chan W. Lee | Chief Operations Officer | $9,981,484 | -$411,117 | -4% | 02 Mar 2026 |
| John Alexander Young | Cfo | $7,886,580 | -$792,886 | -9.1% | 02 Mar 2026 |
| Andrew W. Verhalen | Director | $6,117,572 | 31 Aug 2023 | ||
| Brian C. White | Cfo | $4,681,200 | 19 Dec 2023 | ||
| Kevin C. Eichler | Cfo | $4,625,573 | 16 Mar 2022 | ||
| Yun-Lung Chen | VP, Business Development and M | $4,605,403 | -$716,895 | -13% | 02 Mar 2026 |
| Christopher B. Paisley | Director | $2,979,518 | -$126,420 | -4.1% | 26 Dec 2025 |
| David Jeffrey Richardson | Director | $2,438,622 | 15 Dec 2025 | ||
| Hsiao-Wuen Hon | Director | $1,935,502 | 02 Sep 2025 | ||
| Chenming Hu | Director | $1,856,261 | 02 Sep 2025 | ||
| Christopher Day | VP, Marketing | $789,073 | -$17,873 | -2.2% | 17 Jun 2025 |
| Anne de Greef-Safft | Director | $664,202 | 29 Aug 2024 | ||
| Elizabeth M. Schwarting | Director | $484,202 | -$272,608 | -36% | 16 Dec 2025 |
| Teresa H. Meng | Director | $417,103 | 16 Mar 2022 | ||
| Chantelle Yvette Breithaupt | Director | $310,676 | 02 Sep 2025 | ||
| Gregory M. Bryant | Director | $164,299 | 02 Mar 2026 |
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| John Alexander Young | AMBA | Ordinary Shares | Award | 14.8% | 15,201 | 117,939 | 02 Mar 2026 | Direct | ||
| John Alexander Young | AMBA | Performance Stock Units | Award | 15,201 | 15,201 | 02 Mar 2026 | Direct | |||
| Yun-Lung Chen | AMBA | Ordinary Shares | Award | 11.7% | 7,220 | 68,871 | 02 Mar 2026 | Direct | ||
| Yun-Lung Chen | AMBA | Performance Stock Units | Award | 7,220 | 7,220 | 02 Mar 2026 | Direct | |||
| Chan W. Lee | AMBA | Ordinary Shares | Award | 19.8% | 24,701 | 149,267 | 02 Mar 2026 | Direct | ||
| Chan W. Lee | AMBA | Performance Stock Units | Award | 24,701 | 24,701 | 02 Mar 2026 | Direct | |||
| Chi-Hong Ju | AMBA | Ordinary Shares | Award | 12.2% | 17,329 | 159,188 | 02 Mar 2026 | Direct | ||
| Chi-Hong Ju | AMBA | Performance Stock Units | Award | 17,329 | 17,329 | 02 Mar 2026 | Direct | |||
| Feng-Ming Wang | AMBA | Ordinary Shares | Award | 6.92% | 53,203 | 822,182 | 02 Mar 2026 | Direct | ||
| Feng-Ming Wang | AMBA | Ordinary Shares | Sale | -6.11% | $3,040,031 | $60.80 | -50,000 | 768,979 | 02 Mar 2026 | Direct |
| Feng-Ming Wang | AMBA | Ordinary Shares | Options Exercise | 6.5% | 50,000 | 818,979 | 02 Mar 2026 | Direct | ||
| Feng-Ming Wang | AMBA | Performance Stock Units | Award | 53,203 | 53,203 | 02 Mar 2026 | Direct | |||
| Feng-Ming Wang | AMBA | Non-Qualified Stock Option (right to buy) | Options Exercise | -100% | -50,000 | 0 | 02 Mar 2026 | Direct | ||
| Gregory M. Bryant | AMBA | Ordinary Shares | Award | 2,457 | 2,457 | 02 Mar 2026 | Direct | |||
| Chi-Hong Ju | AMBA | Ordinary Shares | Sale | -5.03% | $584,105 | $75.58 | -7,728 | 146,039 | 05 Jan 2026 | Direct |
| Chi-Hong Ju | AMBA | Ordinary Shares | Sale | -5.04% | $558,136 | $70.25 | -7,945 | 149,587 | 30 Dec 2025 | Direct |
| Chi-Hong Ju | AMBA | Ordinary Shares | Sale | -2.39% | $264,755 | $70.32 | -3,765 | 153,767 | 30 Dec 2025 | Direct |
| Christopher B. Paisley | AMBA | Ordinary Shares | Sale | -1.2% | $36,090 | $72.18 | -500 | 41,279 | 26 Dec 2025 | Direct |
| Feng-Ming Wang | AMBA | Ordinary Shares | Gift | -1.91% | -15,000 | 768,979 | 19 Dec 2025 | Direct | ||
| John A. Young | AMBA | Ordinary Shares | Sale | -3.56% | $276,591 | $72.96 | -3,791 | 102,738 | 18 Dec 2025 | Direct |
| John A. Young | AMBA | Ordinary Shares | Sale | -2.36% | $185,224 | $71.82 | -2,579 | 106,529 | 17 Dec 2025 | Direct |
| Chan W. Lee | AMBA | Ordinary Shares | Sale | -1.89% | $172,799 | $71.82 | -2,406 | 124,566 | 17 Dec 2025 | Direct |
| Chi-Hong Ju | AMBA | Ordinary Shares | Sale | -0.84% | $96,382 | $71.82 | -1,342 | 157,532 | 17 Dec 2025 | Direct |
| Feng-Ming Wang | AMBA | Ordinary Shares | Sale | -0.63% | $355,509 | $71.82 | -4,950 | 783,979 | 17 Dec 2025 | Direct |
| Elizabeth M. Schwarting | AMBA | Ordinary Shares | Sale | -8.53% | $45,163 | $72.38 | -624 | 6,690 | 16 Dec 2025 | Direct |
| David Jeffrey Richardson | AMBA | Ordinary Shares | Gift | 10.9% | 2,531 | 25,812 | 15 Dec 2025 | by Family Trust | ||
| David Jeffrey Richardson | AMBA | Ordinary Shares | Gift | -50.3% | -2,531 | 2,498 | 15 Dec 2025 | Direct | ||
| Chi-Hong Ju | AMBA | Ordinary Shares | Sale | -3.73% | $498,390 | $80.96 | -6,156 | 158,874 | 14 Oct 2025 | Direct |
| Chi-Hong Ju | AMBA | Ordinary Shares | Sale | -2.97% | $411,093 | $81.29 | -5,057 | 165,030 | 13 Oct 2025 | Direct |
| Elizabeth M. Schwarting | AMBA | Ordinary Shares | Sale | -26.7% | $227,445 | $85.38 | -2,664 | 7,314 | 06 Oct 2025 | Direct |
| John A. Young | AMBA | Ordinary Shares | Sale | -2.3% | $203,817 | $79.43 | -2,566 | 109,108 | 17 Sep 2025 | Direct |
| Chan W. Lee | AMBA | Ordinary Shares | Sale | -1.51% | $154,650 | $79.43 | -1,947 | 126,972 | 17 Sep 2025 | Direct |
| Leslie Kohn | AMBA | Ordinary Shares | Sale | -0.23% | $178,638 | $79.43 | -2,249 | 977,428 | 17 Sep 2025 | Direct |
| Chi-Hong Ju | AMBA | Ordinary Shares | Sale | -0.68% | $92,774 | $79.43 | -1,168 | 170,087 | 17 Sep 2025 | Direct |
| Feng-Ming Wang | AMBA | Ordinary Shares | Sale | -0.62% | $391,431 | $79.43 | -4,928 | 788,929 | 17 Sep 2025 | Direct |
| Yun-Lung Chen | AMBA | Ordinary Shares | Sale | -12.1% | $716,895 | $84.42 | -8,492 | 61,651 | 10 Sep 2025 | Direct |
| Chantelle Yvette Breithaupt | AMBA | Ordinary Shares | Award | 102.3% | 2,498 | 4,940 | 02 Sep 2025 | Direct | ||
| Elizabeth M. Schwarting | AMBA | Ordinary Shares | Award | 33.4% | 2,498 | 9,978 | 02 Sep 2025 | Direct | ||
| Hsiao-Wuen Hon | AMBA | Ordinary Shares | Award | 8.83% | 2,498 | 30,776 | 02 Sep 2025 | Direct | ||
| David Jeffrey Richardson | AMBA | Ordinary Shares | Award | 98.7% | 2,498 | 5,029 | 02 Sep 2025 | Direct | ||
| Christopher B. Paisley | AMBA | Ordinary Shares | Award | 6.36% | 2,498 | 41,779 | 02 Sep 2025 | Direct | ||
| Chenming Hu | AMBA | Ordinary Shares | Award | 9.25% | 2,498 | 29,516 | 02 Sep 2025 | Direct | ||
| Christopher B. Paisley | AMBA | Ordinary Shares | Sale | -2.48% | $62,580 | $62.58 | -1,000 | 39,281 | 25 Jun 2025 | Direct |
| John A. Young | AMBA | Ordinary Shares | Sale | -2.14% | $127,253 | $52.26 | -2,435 | 111,451 | 17 Jun 2025 | Direct |
| Christopher Day | AMBA | Ordinary Shares | Sale | -2.21% | $17,873 | $52.26 | -342 | 15,099 | 17 Jun 2025 | Direct |
| Chan W. Lee | AMBA | Ordinary Shares | Sale | -1.23% | $83,668 | $52.26 | -1,601 | 128,696 | 17 Jun 2025 | Direct |
| Leslie Kohn | AMBA | Ordinary Shares | Sale | -0.17% | $89,626 | $52.26 | -1,715 | 979,677 | 17 Jun 2025 | Direct |
| Chi-Hong Ju | AMBA | Ordinary Shares | Sale | -0.64% | $57,904 | $52.26 | -1,108 | 171,032 | 17 Jun 2025 | Direct |
| Feng-Ming Wang | AMBA | Ordinary Shares | Sale | -0.59% | $244,420 | $52.26 | -4,677 | 793,634 | 17 Jun 2025 | Direct |
| Christopher B. Paisley | AMBA | Ordinary Shares | Sale | -1.23% | $27,750 | $55.50 | -500 | 40,281 | 25 Mar 2025 | Direct |