In the last 12 months, insiders at AMBARELLA INC ($AMBA) filed 215 transactions with the SEC: 0 open-market purchases totaling $0 and 115 sales totaling $21,148,837. Net insider sentiment: net selling.
AMBARELLA INC operates in the Semiconductors & related devices industry (Manufacturing sector).
Most Active Insiders
- Wang Feng-Ming (CEO) — 38 transactions totaling $12,221,732
- Ju Chi-Hong (Senior VP, Systems & GM, Asia) — 13 transactions totaling $2,779,083
- Ju Chi-Hong (Sr. Vice President, Systems) — 26 transactions totaling $2,356,289
- Young John Alexander (CFO) — 24 transactions totaling $1,973,036
- Lee Chan W (Chief Operating Officer) — 25 transactions totaling $1,556,498
View all SEC Filings for AMBARELLA INC (AMBA).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| March 17, 2026 | Wang Feng-Ming | CEO | M | Performance Stock Units | 27598 | $0.00 | 0.0000 | 43,050,486 | 100.00% | 0.06% |
| March 17, 2026 | Young John Alexander | CFO | M | Performance Stock Units | 3556 | $0.00 | 0.0000 | 43,050,486 | 100.00% | 0.01% |
| March 19, 2026 | Young John Alexander | CFO | S | Ordinary Shares | 3038 | $54.14 | 119,594.0000 | 43,050,486 | 2.48% | 0.01% |
| March 18, 2026 | Young John Alexander | CFO | A | Ordinary Shares | 5560 | $0.00 | 122,632.0000 | 43,050,486 | 4.75% | 0.01% |
| March 17, 2026 | Young John Alexander | CFO | S | Ordinary Shares | 4577 | $52.77 | 117,072.0000 | 43,050,486 | 3.76% | 0.01% |
| March 17, 2026 | Young John Alexander | CFO | M | Ordinary Shares | 3556 | $0.00 | 121,649.0000 | 43,050,486 | 3.01% | 0.01% |
| March 17, 2026 | Chen Yun-Lung | VP, Business Development and M | M | Ordinary Shares | 4651 | $0.00 | 73,522.0000 | 43,050,486 | 6.75% | 0.01% |
| March 18, 2026 | Chen Yun-Lung | VP, Business Development and M | A | Ordinary Shares | 2849 | $0.00 | 76,371.0000 | 43,050,486 | 3.88% | 0.01% |
| March 17, 2026 | Chen Yun-Lung | VP, Business Development and M | M | Performance Stock Units | 4651 | $0.00 | 0.0000 | 43,050,486 | 100.00% | 0.01% |
| March 17, 2026 | Lee Chan W | Chief Operations Officer | M | Ordinary Shares | 13678 | $0.00 | 163,099.0000 | 43,050,486 | 9.15% | 0.03% |
| March 17, 2026 | Lee Chan W | Chief Operations Officer | S | Ordinary Shares | 6729 | $52.77 | 156,370.0000 | 43,050,486 | 4.13% | 0.02% |
| March 18, 2026 | Lee Chan W | Chief Operations Officer | A | Ordinary Shares | 7320 | $0.00 | 163,690.0000 | 43,050,486 | 4.68% | 0.02% |
| March 19, 2026 | Lee Chan W | Chief Operations Officer | S | Ordinary Shares | 3641 | $54.14 | 160,049.0000 | 43,050,486 | 2.22% | 0.01% |
| March 17, 2026 | Lee Chan W | Chief Operations Officer | M | Performance Stock Units | 13678 | $0.00 | 0.0000 | 43,050,486 | 100.00% | 0.03% |
| March 17, 2026 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | M | Ordinary Shares | 9553 | $0.00 | 176,895.0000 | 43,050,486 | 5.71% | 0.02% |
| March 17, 2026 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | S | Ordinary Shares | 4729 | $52.77 | 172,166.0000 | 43,050,486 | 2.67% | 0.01% |
| March 18, 2026 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | A | Ordinary Shares | 5930 | $0.00 | 178,096.0000 | 43,050,486 | 3.44% | 0.01% |
| March 19, 2026 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | S | Ordinary Shares | 2155 | $54.14 | 175,941.0000 | 43,050,486 | 1.21% | 0.01% |
| March 17, 2026 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | M | Performance Stock Units | 9553 | $0.00 | 0.0000 | 43,050,486 | 100.00% | 0.02% |
| March 17, 2026 | Wang Feng-Ming | CEO | M | Ordinary Shares | 27598 | $0.00 | 849,934.0000 | 43,050,486 | 3.36% | 0.06% |
| March 17, 2026 | Wang Feng-Ming | CEO | S | Ordinary Shares | 18976 | $52.77 | 830,958.0000 | 43,050,486 | 2.23% | 0.04% |
| March 18, 2026 | Wang Feng-Ming | CEO | A | Ordinary Shares | 15686 | $0.00 | 846,644.0000 | 43,050,486 | 1.89% | 0.04% |
| March 19, 2026 | Wang Feng-Ming | CEO | S | Ordinary Shares | 8083 | $54.14 | 838,561.0000 | 43,050,486 | 0.95% | 0.02% |
| March 2, 2026 | Wang Feng-Ming | CEO | M | Ordinary Shares | 50000 | $41.36 | 818,979.0000 | 43,050,486 | 6.50% | 0.12% |
| March 2, 2026 | Bryant Gregory M | Director | A | Ordinary Shares | 2457 | $0.00 | 2,457.0000 | 43,050,486 | 9999.99% | 0.01% |
| March 2, 2026 | Wang Feng-Ming | CEO | A | Performance Stock Units | 53203 | $0.00 | 53,203.0000 | 43,050,486 | 9999.99% | 0.12% |
| March 2, 2026 | Wang Feng-Ming | CEO | M | Non-Qualified Stock Option (right to buy) | 50000 | $0.00 | 0.0000 | 43,050,486 | 100.00% | 0.12% |
| March 2, 2026 | Wang Feng-Ming | CEO | A | Ordinary Shares | 53203 | $0.00 | 822,182.0000 | 43,050,486 | 6.92% | 0.12% |
| March 2, 2026 | Wang Feng-Ming | CEO | S | Ordinary Shares | 12040 | $61.42 | 768,979.0000 | 43,050,486 | 1.54% | 0.03% |
| March 2, 2026 | Wang Feng-Ming | CEO | S | Ordinary Shares | 32460 | $60.91 | 781,019.0000 | 43,050,486 | 3.99% | 0.08% |
| March 2, 2026 | Wang Feng-Ming | CEO | S | Ordinary Shares | 2600 | $59.53 | 813,479.0000 | 43,050,486 | 0.32% | 0.01% |
| March 2, 2026 | Wang Feng-Ming | CEO | S | Ordinary Shares | 1900 | $58.77 | 816,079.0000 | 43,050,486 | 0.23% | 0.00% |
| March 2, 2026 | Wang Feng-Ming | CEO | S | Ordinary Shares | 1000 | $56.83 | 817,979.0000 | 43,050,486 | 0.12% | 0.00% |
| March 2, 2026 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | A | Performance Stock Units | 17329 | $0.00 | 17,329.0000 | 43,050,486 | 9999.99% | 0.04% |
| March 2, 2026 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | A | Ordinary Shares | 17329 | $0.00 | 167,188.0000 | 43,050,486 | 11.56% | 0.04% |
| March 2, 2026 | Lee Chan W | Chief Operations Officer | A | Performance Stock Units | 24701 | $0.00 | 24,701.0000 | 43,050,486 | 9999.99% | 0.06% |
| March 2, 2026 | Lee Chan W | Chief Operations Officer | A | Ordinary Shares | 24701 | $0.00 | 149,267.0000 | 43,050,486 | 19.83% | 0.06% |
| March 2, 2026 | Chen Yun-Lung | VP, Business Development and M | A | Performance Stock Units | 7220 | $0.00 | 7,220.0000 | 43,050,486 | 9999.99% | 0.02% |
| March 2, 2026 | Chen Yun-Lung | VP, Business Development and M | A | Ordinary Shares | 7220 | $0.00 | 68,871.0000 | 43,050,486 | 11.71% | 0.02% |
| March 2, 2026 | Young John Alexander | CFO | A | Performance Stock Units | 15201 | $0.00 | 15,201.0000 | 43,050,486 | 9999.99% | 0.04% |
| March 2, 2026 | Young John Alexander | CFO | A | Ordinary Shares | 15201 | $0.00 | 117,939.0000 | 43,050,486 | 14.80% | 0.04% |
| Dec. 30, 2025 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | S | Ordinary Shares | 7945 | $70.25 | 149,587.0000 | 43,050,486 | 5.04% | 0.02% |
| Jan. 5, 2026 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | S | Ordinary Shares | 7728 | $75.58 | 154,039.0000 | 43,050,486 | 4.78% | 0.02% |
| Dec. 30, 2025 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | S | Ordinary Shares | 3765 | $70.32 | 161,767.0000 | 43,050,486 | 2.27% | 0.01% |
| Dec. 26, 2025 | PAISLEY CHRISTOPHER B | Director | S | Ordinary Shares | 500 | $72.18 | 41,279.0000 | 43,050,486 | 1.20% | 0.00% |
| Dec. 18, 2025 | Young John Alexander | CFO | S | Ordinary Shares | 3791 | $72.96 | 102,738.0000 | 43,050,486 | 3.56% | 0.01% |
| Dec. 17, 2025 | Young John Alexander | CFO | S | Ordinary Shares | 2579 | $71.82 | 106,529.0000 | 43,050,486 | 2.36% | 0.01% |
| Dec. 19, 2025 | Wang Feng-Ming | CEO | G | Ordinary Shares | 15000 | $0.00 | 768,979.0000 | 43,050,486 | 1.91% | 0.03% |
| Dec. 17, 2025 | Wang Feng-Ming | CEO | S | Ordinary Shares | 4950 | $71.82 | 783,979.0000 | 43,050,486 | 0.63% | 0.01% |
| Dec. 17, 2025 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | S | Ordinary Shares | 1342 | $71.82 | 165,532.0000 | 43,050,486 | 0.80% | 0.00% |
| Dec. 17, 2025 | Lee Chan W | Chief Operations Officer | S | Ordinary Shares | 2406 | $71.82 | 124,566.0000 | 43,050,486 | 1.89% | 0.01% |
| Dec. 16, 2025 | Schwarting Elizabeth M | Director | S | Ordinary Shares | 624 | $72.38 | 6,690.0000 | 43,050,486 | 8.53% | 0.00% |
| Dec. 15, 2025 | RICHARDSON DAVID JEFFREY | Director | G | Ordinary Shares | 2531 | $0.00 | 28,310.0000 | 43,050,486 | 8.21% | 0.01% |
| Dec. 15, 2025 | RICHARDSON DAVID JEFFREY | Director | G | Ordinary Shares | 2531 | $0.00 | 28,310.0000 | 43,050,486 | 9.82% | 0.01% |
| Oct. 13, 2025 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | S | Ordinary Shares | 5057 | $81.29 | 173,030.0000 | 42,437,410 | 2.84% | 0.01% |
| Oct. 14, 2025 | Ju Chi-Hong | Senior VP, Systems & GM, Asia | S | Ordinary Shares | 6156 | $80.96 | 166,874.0000 | 42,437,410 | 3.56% | 0.01% |
| Oct. 6, 2025 | Schwarting Elizabeth M | Director | S | Ordinary Shares | 2664 | $85.38 | 7,314.0000 | 42,437,410 | 26.70% | 0.01% |
| Sept. 17, 2025 | Ju Chi-Hong | Sr. Vice President, Systems | S | Ordinary Shares | 1168 | $79.43 | 178,087.0000 | 42,437,410 | 0.65% | 0.00% |
| Sept. 17, 2025 | Kohn Leslie | Chief Technology Officer | S | Ordinary Shares | 2249 | $79.43 | 977,428.0000 | 42,437,410 | 0.23% | 0.01% |
| Sept. 17, 2025 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1947 | $79.43 | 126,972.0000 | 42,437,410 | 1.51% | 0.00% |
| Sept. 17, 2025 | Young John Alexander | CFO | S | Ordinary Shares | 2566 | $79.43 | 109,108.0000 | 42,437,410 | 2.30% | 0.01% |
| Sept. 17, 2025 | Wang Feng-Ming | CEO | S | Ordinary Shares | 4928 | $79.43 | 788,929.0000 | 42,437,410 | 0.62% | 0.01% |
| Sept. 10, 2025 | Chen Yun-Lung | VP, Business Development | S | Ordinary Shares | 8492 | $84.42 | 61,651.0000 | 42,437,410 | 12.11% | 0.02% |
| Sept. 2, 2025 | Schwarting Elizabeth M | Director | A | Ordinary Shares | 2498 | $0.00 | 9,978.0000 | 42,437,410 | 33.40% | 0.01% |
| Sept. 2, 2025 | Hon Hsiao-Wuen | Director | A | Ordinary Shares | 2498 | $0.00 | 30,776.0000 | 42,437,410 | 8.83% | 0.01% |
| Sept. 2, 2025 | PAISLEY CHRISTOPHER B | Director | A | Ordinary Shares | 2498 | $0.00 | 41,779.0000 | 42,437,410 | 6.36% | 0.01% |
| Sept. 2, 2025 | Hu Chenming | Director | A | Ordinary Shares | 2498 | $0.00 | 29,516.0000 | 42,437,410 | 9.25% | 0.01% |
| Sept. 2, 2025 | Breithaupt Chantelle Yvette | Director | A | Ordinary Shares | 2498 | $0.00 | 4,940.0000 | 42,437,410 | 102.29% | 0.01% |
| Sept. 2, 2025 | RICHARDSON DAVID JEFFREY | Director | A | Ordinary Shares | 2498 | $0.00 | 28,310.0000 | 42,437,410 | 9.68% | 0.01% |
| June 25, 2025 | PAISLEY CHRISTOPHER B | Director | S | Ordinary Shares | 1000 | $62.58 | 39,281.0000 | 42,437,410 | 2.48% | 0.00% |
| June 17, 2025 | Kohn Leslie | Chief Technology Officer | S | Ordinary Shares | 1715 | $52.26 | 979,677.0000 | 42,437,410 | 0.17% | 0.00% |
| June 17, 2025 | Wang Feng-Ming | CEO | S | Ordinary Shares | 4677 | $52.26 | 793,634.0000 | 42,437,410 | 0.59% | 0.01% |
| June 17, 2025 | Young John Alexander | CFO | S | Ordinary Shares | 2435 | $52.26 | 111,451.0000 | 42,437,410 | 2.14% | 0.01% |
| June 17, 2025 | Ju Chi-Hong | Sr. Vice President, Systems | S | Ordinary Shares | 1108 | $52.26 | 179,032.0000 | 42,437,410 | 0.62% | 0.00% |
| June 17, 2025 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1601 | $52.26 | 128,696.0000 | 42,437,410 | 1.23% | 0.00% |
| June 17, 2025 | Day Christopher | VP, Marketing | S | Ordinary Shares | 342 | $52.26 | 15,099.0000 | 42,437,410 | 2.21% | 0.00% |
| March 25, 2025 | PAISLEY CHRISTOPHER B | Director | S | Ordinary Shares | 500 | $55.50 | 40,281.0000 | 42,437,410 | 1.23% | 0.00% |
| March 18, 2025 | Wang Feng-Ming | CEO | S | Ordinary Shares | 3194 | $55.02 | 798,311.0000 | 0 | 0.40% | 0.00% |
| March 18, 2025 | Ju Chi-Hong | Sr. Vice President, Systems | S | Ordinary Shares | 1034 | $55.02 | 180,140.0000 | 0 | 0.57% | 0.00% |
| March 18, 2025 | Young John Alexander | CFO | S | Ordinary Shares | 2103 | $55.02 | 113,886.0000 | 0 | 1.81% | 0.00% |
| March 18, 2025 | Day Christopher | VP, Marketing | S | Ordinary Shares | 479 | $55.02 | 15,441.0000 | 0 | 3.01% | 0.00% |
| March 18, 2025 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1468 | $55.02 | 130,297.0000 | 0 | 1.11% | 0.00% |
| March 18, 2025 | Kohn Leslie | Chief Technology Officer | S | Ordinary Shares | 1584 | $55.02 | 981,392.0000 | 0 | 0.16% | 0.00% |
| March 17, 2025 | Schwarting Elizabeth M | Director | D | Ordinary Shares | 422 | $55.90 | 7,480.0000 | 0 | 5.34% | 0.00% |
| Feb. 28, 2025 | Chen Yun-Lung | VP, Business Development | A | Performance Stock Units | 5868 | $0.00 | 5,868.0000 | 0 | 9999.99% | 0.00% |
| March 6, 2025 | Day Christopher | VP, Marketing | S | Ordinary Shares | 834 | $55.11 | 15,686.0000 | 0 | 5.05% | 0.00% |
| Feb. 28, 2025 | Chen Yun-Lung | VP, Business Development | A | Ordinary Shares | 5868 | $0.00 | 67,894.0000 | 0 | 9.46% | 0.00% |
| March 5, 2025 | Chen Yun-Lung | VP, Business Development | A | Ordinary Shares | 2249 | $0.00 | 70,143.0000 | 0 | 3.31% | 0.00% |
| Feb. 28, 2025 | Lee Chan W | Chief Operating Officer | A | Ordinary Shares | 18256 | $0.00 | 128,174.0000 | 0 | 16.61% | 0.00% |
| Feb. 28, 2025 | Wang Feng-Ming | CEO | A | Performance Stock Units | 39120 | $0.00 | 39,120.0000 | 0 | 9999.99% | 0.00% |
| March 6, 2025 | Wang Feng-Ming | CEO | S | Ordinary Shares | 4104 | $55.11 | 801,271.0000 | 0 | 0.51% | 0.00% |
| March 5, 2025 | Wang Feng-Ming | CEO | A | Ordinary Shares | 11024 | $0.00 | 805,375.0000 | 0 | 1.39% | 0.00% |
| Feb. 28, 2025 | Wang Feng-Ming | CEO | A | Ordinary Shares | 39120 | $0.00 | 794,351.0000 | 0 | 5.18% | 0.00% |
| Feb. 28, 2025 | Ju Chi-Hong | Sr. Vice President, Systems | A | Performance Stock Units | 12388 | $0.00 | 12,388.0000 | 0 | 9999.99% | 0.00% |
| March 6, 2025 | Ju Chi-Hong | Sr. Vice President, Systems | S | Ordinary Shares | 1859 | $55.11 | 180,940.0000 | 0 | 1.02% | 0.00% |
| March 5, 2025 | Ju Chi-Hong | Sr. Vice President, Systems | A | Ordinary Shares | 4773 | $0.00 | 182,799.0000 | 0 | 2.68% | 0.00% |
| Feb. 28, 2025 | Ju Chi-Hong | Sr. Vice President, Systems | A | Ordinary Shares | 12388 | $0.00 | 178,026.0000 | 0 | 7.48% | 0.00% |
| Feb. 28, 2025 | Kohn Leslie | Chief Technology Officer | A | Performance Stock Units | 19560 | $0.00 | 19,560.0000 | 0 | 9999.99% | 0.00% |
| March 6, 2025 | Kohn Leslie | Chief Technology Officer | S | Ordinary Shares | 2316 | $55.11 | 982,976.0000 | 0 | 0.24% | 0.00% |
| March 5, 2025 | Kohn Leslie | Chief Technology Officer | A | Ordinary Shares | 6056 | $0.00 | 985,292.0000 | 0 | 0.62% | 0.00% |
| Feb. 28, 2025 | Kohn Leslie | Chief Technology Officer | A | Ordinary Shares | 19560 | $0.00 | 979,236.0000 | 0 | 2.04% | 0.00% |
| Feb. 28, 2025 | Lee Chan W | Chief Operating Officer | A | Performance Stock Units | 18256 | $0.00 | 18,256.0000 | 0 | 9999.99% | 0.00% |
| March 6, 2025 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 2108 | $55.11 | 131,531.0000 | 0 | 1.58% | 0.00% |
| March 5, 2025 | Lee Chan W | Chief Operating Officer | A | Ordinary Shares | 5465 | $0.00 | 133,639.0000 | 0 | 4.26% | 0.00% |
| March 6, 2025 | Young John Alexander | CFO | S | Ordinary Shares | 2663 | $55.11 | 115,755.0000 | 0 | 2.25% | 0.00% |
| Feb. 28, 2025 | Young John Alexander | CFO | A | Ordinary Shares | 12388 | $0.00 | 113,781.0000 | 0 | 12.22% | 0.00% |
| March 5, 2025 | Young John Alexander | CFO | A | Ordinary Shares | 4637 | $0.00 | 118,418.0000 | 0 | 4.08% | 0.00% |
| Feb. 28, 2025 | Young John Alexander | CFO | A | Performance Stock Units | 12388 | $0.00 | 12,388.0000 | 0 | 9999.99% | 0.00% |
| March 5, 2025 | Day Christopher | VP, Marketing | A | Ordinary Shares | 1990 | $0.00 | 16,520.0000 | 0 | 13.70% | 0.00% |
| Jan. 15, 2025 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $75.90 | 110,918.0000 | 0 | 0.89% | 0.00% |
| Jan. 15, 2025 | RICHARDSON DAVID JEFFREY | Director | G | Ordinary Shares | 1648 | $0.00 | 25,812.0000 | 0 | 6.82% | 0.00% |
| Jan. 15, 2025 | RICHARDSON DAVID JEFFREY | Director | G | Ordinary Shares | 1648 | $0.00 | 25,812.0000 | 0 | 6.00% | 0.00% |
| Jan. 16, 2025 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $77.21 | 109,918.0000 | 0 | 0.90% | 0.00% |
| Jan. 14, 2025 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $75.68 | 111,918.0000 | 0 | 0.89% | 0.00% |
| Jan. 10, 2025 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $74.12 | 113,918.0000 | 0 | 0.87% | 0.00% |
| Jan. 13, 2025 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $73.50 | 112,918.0000 | 0 | 0.88% | 0.00% |
| Jan. 6, 2025 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $79.15 | 116,918.0000 | 0 | 0.85% | 0.00% |
| Jan. 7, 2025 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $78.73 | 115,918.0000 | 0 | 0.86% | 0.00% |
| Jan. 8, 2025 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $73.48 | 114,918.0000 | 0 | 0.86% | 0.00% |
| Jan. 3, 2025 | Day Christopher | VP, Marketing | S | Ordinary Shares | 1247 | $78.10 | 14,530.0000 | 0 | 7.90% | 0.00% |
| Jan. 2, 2025 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $73.32 | 118,918.0000 | 0 | 0.83% | 0.00% |
| Jan. 3, 2025 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $75.06 | 117,918.0000 | 0 | 0.84% | 0.00% |
| Dec. 26, 2024 | PAISLEY CHRISTOPHER B | Director | S | Ordinary Shares | 1500 | $73.80 | 40,781.0000 | 0 | 3.55% | 0.00% |
| Dec. 18, 2024 | Day Christopher | VP, Marketing | S | Ordinary Shares | 848 | $75.40 | 15,777.0000 | 0 | 5.10% | 0.00% |
| Dec. 18, 2024 | Schwarting Elizabeth M | Director | S | Ordinary Shares | 253 | $71.55 | 7,902.0000 | 0 | 3.10% | 0.00% |
| Dec. 18, 2024 | Day Christopher | VP, Marketing | S | Ordinary Shares | 81 | $75.41 | 16,625.0000 | 0 | 0.48% | 0.00% |
| Dec. 16, 2024 | Wang Feng-Ming | CEO | S | Ordinary Shares | 4296 | $75.41 | 755,231.0000 | 0 | 0.57% | 0.00% |
| Dec. 16, 2024 | Kohn Leslie | Chief Technology Officer | S | Ordinary Shares | 1757 | $75.41 | 959,676.0000 | 0 | 0.18% | 0.00% |
| Dec. 16, 2024 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1488 | $75.41 | 119,918.0000 | 0 | 1.23% | 0.00% |
| Dec. 16, 2024 | Day Christopher | VP, Marketing | S | Ordinary Shares | 482 | $75.41 | 16,706.0000 | 0 | 2.80% | 0.00% |
| Dec. 16, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | S | Ordinary Shares | 1048 | $75.41 | 165,638.0000 | 0 | 0.63% | 0.00% |
| Dec. 16, 2024 | Young John Alexander | CFO | S | Ordinary Shares | 2136 | $75.41 | 101,393.0000 | 0 | 2.06% | 0.00% |
| Dec. 13, 2024 | Hon Hsiao-Wuen | Director | S | Ordinary Shares | 377 | $74.15 | 28,278.0000 | 0 | 1.32% | 0.00% |
| Dec. 9, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | S | Ordinary Shares | 3000 | $75.72 | 166,686.0000 | 0 | 1.77% | 0.00% |
| Dec. 9, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | S | Ordinary Shares | 2118 | $75.69 | 169,686.0000 | 0 | 1.23% | 0.00% |
| Dec. 9, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | G | Ordinary Shares | 593 | $0.00 | 171,804.0000 | 0 | 0.34% | 0.00% |
| Dec. 4, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | G | Ordinary Shares | 5000 | $0.00 | 172,397.0000 | 0 | 2.82% | 0.00% |
| Dec. 4, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | G | Ordinary Shares | 5000 | $0.00 | 172,397.0000 | 0 | 2.99% | 0.00% |
| Dec. 2, 2024 | Day Christopher | VP, Marketing | S | Ordinary Shares | 1278 | $71.61 | 17,188.0000 | 0 | 6.92% | 0.00% |
| Oct. 7, 2024 | Wang Feng-Ming | CEO | G | Ordinary Shares | 40000 | $0.00 | 759,527.0000 | 0 | 5.00% | 0.00% |
| Oct. 3, 2024 | Day Christopher | VP, Marketing | S | Ordinary Shares | 2904 | $58.00 | 18,466.0000 | 0 | 13.59% | 0.00% |
| Sept. 25, 2024 | PAISLEY CHRISTOPHER B | Director | S | Ordinary Shares | 500 | $53.71 | 42,281.0000 | 0 | 1.17% | 0.00% |
| Sept. 24, 2024 | Schwarting Elizabeth M | Director | S | Ordinary Shares | 913 | $54.74 | 8,155.0000 | 0 | 10.07% | 0.00% |
| Sept. 17, 2024 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1490 | $53.54 | 121,406.0000 | 0 | 1.21% | 0.00% |
| Sept. 17, 2024 | Young John Alexander | CFO | S | Ordinary Shares | 2139 | $53.54 | 103,529.0000 | 0 | 2.02% | 0.00% |
| Sept. 17, 2024 | Day Christopher | VP, Marketing | S | Ordinary Shares | 483 | $53.54 | 21,370.0000 | 0 | 2.21% | 0.00% |
| Sept. 17, 2024 | Kohn Leslie | Chief Technology Officer | S | Ordinary Shares | 1608 | $53.54 | 961,433.0000 | 0 | 0.17% | 0.00% |
| Sept. 17, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | S | Ordinary Shares | 1050 | $53.54 | 172,397.0000 | 0 | 0.61% | 0.00% |
| Sept. 17, 2024 | Wang Feng-Ming | CEO | S | Ordinary Shares | 4301 | $53.54 | 799,527.0000 | 0 | 0.54% | 0.00% |
| Sept. 16, 2024 | Schwarting Elizabeth M | Director | S | Ordinary Shares | 240 | $53.16 | 9,068.0000 | 0 | 2.58% | 0.00% |
| Sept. 4, 2024 | Wang Feng-Ming | CEO | M | Ordinary Shares | 4382 | $38.92 | 807,956.0000 | 0 | 0.55% | 0.00% |
| Sept. 5, 2024 | Wang Feng-Ming | CEO | M | Non-Qualified Stock Option (right to buy) | 31618 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Sept. 5, 2024 | Wang Feng-Ming | CEO | M | Ordinary Shares | 31618 | $38.92 | 835,192.0000 | 0 | 3.93% | 0.00% |
| Sept. 5, 2024 | Wang Feng-Ming | CEO | S | Ordinary Shares | 31618 | $54.71 | 803,574.0000 | 0 | 3.79% | 0.00% |
| Sept. 4, 2024 | Wang Feng-Ming | CEO | M | Non-Qualified Stock Option (right to buy) | 4382 | $0.00 | 31,618.0000 | 0 | 12.17% | 0.00% |
| Sept. 4, 2024 | Wang Feng-Ming | CEO | S | Ordinary Shares | 4382 | $56.02 | 803,574.0000 | 0 | 0.54% | 0.00% |
| Sept. 3, 2024 | Chen Yun-Lung | VP, Business Development | S | Ordinary Shares | 5963 | $57.56 | 62,026.0000 | 0 | 8.77% | 0.00% |
| Sept. 3, 2024 | Chen Yun-Lung | VP, Business Development | M | Ordinary Shares | 5963 | $38.92 | 67,989.0000 | 0 | 9.61% | 0.00% |
| Sept. 3, 2024 | Chen Yun-Lung | VP, Business Development | M | Non-Qualified Stock Option (right to buy) | 5963 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Aug. 29, 2024 | Hu Chenming | Director | A | Ordinary Shares | 3374 | $0.00 | 27,018.0000 | 0 | 14.27% | 0.00% |
| Aug. 29, 2024 | De Greef-Safft Anne | Director | A | Ordinary Shares | 3374 | $0.00 | 10,772.0000 | 0 | 45.61% | 0.00% |
| Aug. 29, 2024 | Schwarting Elizabeth M | Director | A | Ordinary Shares | 3374 | $0.00 | 9,308.0000 | 0 | 56.86% | 0.00% |
| Aug. 29, 2024 | Hon Hsiao-Wuen | Director | A | Ordinary Shares | 3374 | $0.00 | 28,655.0000 | 0 | 13.35% | 0.00% |
| Aug. 29, 2024 | RICHARDSON DAVID JEFFREY | Director | A | Ordinary Shares | 3374 | $0.00 | 25,812.0000 | 0 | 15.04% | 0.00% |
| Aug. 29, 2024 | PAISLEY CHRISTOPHER B | Director | A | Ordinary Shares | 3374 | $0.00 | 42,781.0000 | 0 | 8.56% | 0.00% |
| July 8, 2024 | Day Christopher | VP, Marketing | S | Ordinary Shares | 1408 | $61.66 | 21,599.0000 | 0 | 6.12% | 0.00% |
| June 26, 2024 | RICHARDSON DAVID JEFFREY | Director | G | Ordinary Shares | 21633 | $0.00 | 22,438.0000 | 0 | 2687.33% | 0.00% |
| June 26, 2024 | RICHARDSON DAVID JEFFREY | Director | G | Ordinary Shares | 21633 | $0.00 | 22,438.0000 | 0 | 49.09% | 0.00% |
| June 26, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | S | Ordinary Shares | 6000 | $52.90 | 173,193.0000 | 0 | 3.35% | 0.00% |
| June 21, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | S | Ordinary Shares | 8900 | $55.53 | 179,193.0000 | 0 | 4.73% | 0.00% |
| June 21, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | M | Ordinary Shares | 8900 | $38.92 | 188,093.0000 | 0 | 4.97% | 0.00% |
| June 21, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | M | Non-Qualified Stock Option (right to buy) | 8900 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| June 18, 2024 | Wang Feng-Ming | CEO | S | Ordinary Shares | 3058 | $55.48 | 803,574.0000 | 0 | 0.38% | 0.00% |
| June 18, 2024 | Young John Alexander | CFO | S | Ordinary Shares | 2157 | $55.48 | 105,414.0000 | 0 | 2.01% | 0.00% |
| June 18, 2024 | Day Christopher | VP, Marketing | S | Ordinary Shares | 487 | $55.48 | 23,007.0000 | 0 | 2.07% | 0.00% |
| June 18, 2024 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1504 | $55.48 | 122,642.0000 | 0 | 1.21% | 0.00% |
| June 18, 2024 | Kohn Leslie | Chief Technology Officer | S | Ordinary Shares | 1623 | $55.48 | 963,041.0000 | 0 | 0.17% | 0.00% |
| June 18, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | S | Ordinary Shares | 1059 | $55.48 | 179,193.0000 | 0 | 0.59% | 0.00% |
| June 17, 2024 | Schwarting Elizabeth M | Director | S | Ordinary Shares | 230 | $55.56 | 5,934.0000 | 0 | 3.73% | 0.00% |
| June 7, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | S | Ordinary Shares | 2296 | $56.79 | 182,147.0000 | 0 | 1.24% | 0.00% |
| June 10, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | S | Ordinary Shares | 1895 | $57.50 | 180,252.0000 | 0 | 1.04% | 0.00% |
| March 20, 2024 | Schwarting Elizabeth M | Director | S | Ordinary Shares | 240 | $49.47 | 6,164.0000 | 0 | 3.75% | 0.00% |
| March 18, 2024 | Day Christopher | VP, Marketing | S | Ordinary Shares | 416 | $49.27 | 23,494.0000 | 0 | 1.74% | 0.00% |
| March 18, 2024 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1075 | $49.27 | 124,146.0000 | 0 | 0.86% | 0.00% |
| March 18, 2024 | Kohn Leslie | Chief Technology Officer | S | Ordinary Shares | 1198 | $49.27 | 964,664.0000 | 0 | 0.12% | 0.00% |
| March 18, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | S | Ordinary Shares | 778 | $49.27 | 184,443.0000 | 0 | 0.42% | 0.00% |
| March 18, 2024 | Wang Feng-Ming | CEO | S | Ordinary Shares | 2173 | $49.27 | 806,632.0000 | 0 | 0.27% | 0.00% |
| March 18, 2024 | Young John Alexander | CFO | S | Ordinary Shares | 1546 | $49.27 | 107,571.0000 | 0 | 1.42% | 0.00% |
| March 7, 2024 | Lee Chan W | Chief Operating Officer | A | Ordinary Shares | 1545 | $0.00 | 125,645.0000 | 0 | 1.24% | 0.00% |
| March 8, 2024 | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 642 | $57.16 | 125,003.0000 | 0 | 0.51% | 0.00% |
| March 7, 2024 | Kohn Leslie | Chief Technology Officer | A | Ordinary Shares | 1705 | $0.00 | 966,570.0000 | 0 | 0.18% | 0.00% |
| March 7, 2024 | Young John Alexander | CFO | A | Ordinary Shares | 1176 | $0.00 | 109,603.0000 | 0 | 1.08% | 0.00% |
| March 8, 2024 | Young John Alexander | CFO | S | Ordinary Shares | 704 | $57.16 | 108,899.0000 | 0 | 0.64% | 0.00% |
| March 7, 2024 | Day Christopher | VP, Marketing | A | Ordinary Shares | 726 | $0.00 | 23,994.0000 | 0 | 3.12% | 0.00% |
| March 8, 2024 | Day Christopher | VP, Marketing | S | Ordinary Shares | 302 | $57.16 | 23,692.0000 | 0 | 1.26% | 0.00% |
| March 7, 2024 | Chen Yun-Lung | VP, Business Development | A | Ordinary Shares | 726 | $0.00 | 62,026.0000 | 0 | 1.18% | 0.00% |
| March 8, 2024 | Wang Feng-Ming | CEO | S | Ordinary Shares | 1297 | $57.16 | 808,587.0000 | 0 | 0.16% | 0.00% |
| March 7, 2024 | Wang Feng-Ming | CEO | A | Ordinary Shares | 3396 | $0.00 | 809,884.0000 | 0 | 0.42% | 0.00% |
| March 8, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | S | Ordinary Shares | 509 | $57.16 | 185,003.0000 | 0 | 0.27% | 0.00% |
| March 7, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | A | Ordinary Shares | 1224 | $0.00 | 185,512.0000 | 0 | 0.66% | 0.00% |
| March 8, 2024 | Kohn Leslie | Chief Technology Officer | S | Ordinary Shares | 708 | $57.16 | 965,862.0000 | 0 | 0.07% | 0.00% |
| Feb. 29, 2024 | Kohn Leslie | Chief Technology Officer | A | Ordinary Shares | 24403 | $0.00 | 964,865.0000 | 0 | 2.59% | 0.00% |
| Feb. 29, 2024 | Lee Chan W | Chief Operating Officer | A | Performance Stock Units | 22764 | $0.00 | 22,764.0000 | 0 | 9999.99% | 0.00% |
| Feb. 29, 2024 | Lee Chan W | Chief Operating Officer | A | Ordinary Shares | 22764 | $0.00 | 124,100.0000 | 0 | 22.46% | 0.00% |
| Feb. 29, 2024 | Chen Yun-Lung | VP, Business Development | A | Performance Stock Units | 7740 | $0.00 | 7,740.0000 | 0 | 9999.99% | 0.00% |
| Feb. 29, 2024 | Chen Yun-Lung | VP, Business Development | A | Ordinary Shares | 7740 | $0.00 | 61,300.0000 | 0 | 14.45% | 0.00% |
| Feb. 29, 2024 | Day Christopher | VP, Marketing | A | Performance Stock Units | 7284 | $0.00 | 7,284.0000 | 0 | 9999.99% | 0.00% |
| Feb. 29, 2024 | Day Christopher | VP, Marketing | A | Ordinary Shares | 7284 | $0.00 | 23,268.0000 | 0 | 45.57% | 0.00% |
| Feb. 29, 2024 | Young John Alexander | CFO | A | Performance Stock Units | 16845 | $0.00 | 16,845.0000 | 0 | 9999.99% | 0.00% |
| Feb. 29, 2024 | Young John Alexander | CFO | A | Ordinary Shares | 16845 | $0.00 | 108,427.0000 | 0 | 18.39% | 0.00% |
| Feb. 29, 2024 | Wang Feng-Ming | CEO | A | Performance Stock Units | 45929 | $0.00 | 45,929.0000 | 0 | 9999.99% | 0.00% |
| Feb. 29, 2024 | Wang Feng-Ming | CEO | A | Ordinary Shares | 45929 | $0.00 | 806,488.0000 | 0 | 6.04% | 0.00% |
| Feb. 29, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | A | Performance Stock Units | 15898 | $0.00 | 15,898.0000 | 0 | 9999.99% | 0.00% |
| Feb. 29, 2024 | Ju Chi-Hong | Sr. Vice President, Systems | A | Ordinary Shares | 15898 | $0.00 | 184,288.0000 | 0 | 9.44% | 0.00% |
| Feb. 29, 2024 | Kohn Leslie | Chief Technology Officer | A | Performance Stock Units | 24403 | $0.00 | 35,409.0000 | 0 | 221.72% | 0.00% |