| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 22, 2026 | Mii Yuh-Jier | EVP and Co-COO | disposed(H) | 150.0K | — | $0 |
| May 20, 2026 | Tien Bor-Zen | VP | Buy(P) | 7 | $400.00 | $3K |
| May 19, 2026 | Tien Bor-Zen | VP | Buy(P) | 1.0K | $69.98 | $70K |
| May 19, 2026 | Tien Bor-Zen | VP | Buy(P) | 1.0K | $69.83 | $70K |
| May 19, 2026 | Chuang Tzu-Sou | VP | Sell(S) | 200.0K | $69.83 | $14.0M |
| May 19, 2026 | Tien Bor-Zen | VP | Buy(P) | 10 | $391.81 | $4K |
| May 8, 2026 | Tien Bor-Zen | VP | Buy(P) | 44 | $71.82 | $3K |
| May 8, 2026 | Tien Bor-Zen | VP | Buy(P) | 7 | $71.82 | $503 |
| May 8, 2026 | Wu Shien-Yang | SVP | Buy(P) | 60 | $71.82 | $4K |
| May 8, 2026 | Wang Ying-Lang | SVP | Buy(P) | 57 | $71.82 | $4K |
| May 8, 2026 | Liaw Yung-Haw | VP | Buy(P) | 53 | $71.82 | $4K |
| May 8, 2026 | Lin Chris Horng-Dar | VP and CIO | Buy(P) | 49 | $71.82 | $4K |
| May 8, 2026 | Lin Shyue-Shyh | VP | Buy(P) | 48 | $71.82 | $3K |
| May 8, 2026 | Lu Lee-Chung | VP | Buy(P) | 54 | $71.82 | $4K |
| May 8, 2026 | Mii Yuh-Jier | EVP and Co-COO | Buy(P) | 75 | $71.82 | $5K |
| May 8, 2026 | Huang Jen-Chau | SVP and CFO | Buy(P) | 30 | $71.82 | $2K |
| May 8, 2026 | Hsu Kuo-Chin | VP | Buy(P) | 56 | $71.82 | $4K |
| May 8, 2026 | Lee Chun-Hsien | VP | Buy(P) | 53 | $71.82 | $4K |
| May 8, 2026 | Hwang Yuan-Ko | VP | Buy(P) | 42 | $71.82 | $3K |
| May 8, 2026 | Jang Syun-Ming | VP | Buy(P) | 52 | $71.82 | $4K |
| May 8, 2026 | Hou Yung-Chin | SVP and Deputy Co-COO | Buy(P) | 66 | $71.82 | $5K |
| May 8, 2026 | Fang Shu-Hua | SVP and GC | Buy(P) | 59 | $71.82 | $4K |
| May 8, 2026 | Chuang Tzu-Sou | VP | Buy(P) | 48 | $71.82 | $3K |
| May 8, 2026 | Chuang Juiping | VP | Buy(P) | 51 | $71.82 | $4K |
| May 8, 2026 | He Jun | VP | Buy(P) | 49 | $71.82 | $4K |
| May 8, 2026 | Chang Tzonz-Sheng | SVP | Buy(P) | 56 | $71.82 | $4K |
| May 8, 2026 | Cao Min | VP | Buy(P) | 59 | $71.82 | $4K |
| May 8, 2026 | Chen Pei-Hung | VP | Buy(P) | 49 | $71.82 | $4K |
| May 8, 2026 | Chin Yung-Pei | EVP and Co-COO | Buy(P) | 75 | $71.82 | $5K |
| May 8, 2026 | Chen Chih-Ho | Controller | Buy(P) | 34 | $71.82 | $2K |
| May 8, 2026 | Zhang Kevin Xiaoqiang | SVP and Deputy Co-COO | Buy(P) | 66 | $71.82 | $5K |
| May 8, 2026 | Yuan Lipen | VP | Buy(P) | 44 | $71.82 | $3K |
| May 8, 2026 | Yoo Chue-San | VP | Buy(P) | 55 | $71.82 | $4K |
| May 8, 2026 | Wei Che-Chia | Chairman and CEO, Director | Buy(P) | 160 | $71.82 | $11K |
| May 8, 2026 | Yeap Choh Fei | SVP | Buy(P) | 59 | $71.82 | $4K |
| Apr 28, 2026 | Tien Bor-Zen | VP | Buy(P) | 5 | $390.00 | $2K |
| Apr 28, 2026 | Tien Bor-Zen | VP | Buy(P) | 10 | $386.00 | $4K |
| Apr 28, 2026 | Tien Bor-Zen | VP | Buy(P) | 5 | $390.00 | $2K |
| Apr 24, 2026 | Tien Bor-Zen | VP | disposed(H) | 20.0K | — | $0 |
| Apr 9, 2026 | Yoo Chue-San | VP | Buy(P) | 65 | $57.87 | $4K |
| Apr 9, 2026 | Yuan Lipen | VP | Buy(P) | 52 | $57.87 | $3K |
| Apr 9, 2026 | Zhang Kevin Xiaoqiang | SVP and Deputy Co-COO | Buy(P) | 79 | $57.87 | $5K |
| Apr 9, 2026 | Tien Bor-Zen | VP | Buy(P) | 53 | $57.87 | $3K |
| Apr 9, 2026 | Tien Bor-Zen | VP | Buy(P) | 9 | $57.87 | $521 |
| Apr 9, 2026 | Wang Ying-Lang | SVP | Buy(P) | 69 | $57.87 | $4K |
| Apr 9, 2026 | Yeap Choh Fei | SVP | Buy(P) | 68 | $57.87 | $4K |
| Apr 9, 2026 | Wu Shien-Yang | SVP | Buy(P) | 71 | $57.87 | $4K |
| Apr 9, 2026 | Wei Che-Chia | Chairman and CEO, Director | Buy(P) | 186 | $57.87 | $11K |
| Apr 9, 2026 | Liaw Yung-Haw | VP | Buy(P) | 61 | $57.87 | $4K |
| Apr 9, 2026 | Lu Lee-Chung | VP | Buy(P) | 65 | $57.87 | $4K |
| Apr 9, 2026 | Mii Yuh-Jier | EVP and Co-COO | Buy(P) | 88 | $57.87 | $5K |
| Apr 9, 2026 | Lin Shyue-Shyh | VP | Buy(P) | 58 | $57.87 | $3K |
| Apr 9, 2026 | Lin Chris Horng-Dar | VP and CIO | Buy(P) | 60 | $57.87 | $3K |
| Apr 9, 2026 | Hsu Kuo-Chin | VP | Buy(P) | 66 | $57.87 | $4K |
| Apr 9, 2026 | Huang Jen-Chau | SVP and CFO | Buy(P) | 37 | $57.87 | $2K |
| Apr 9, 2026 | Lee Chun-Hsien | VP | Buy(P) | 63 | $57.87 | $4K |
| Apr 9, 2026 | Jang Syun-Ming | VP | Buy(P) | 62 | $57.87 | $4K |
| Apr 9, 2026 | Fang Shu-Hua | SVP and GC | Buy(P) | 70 | $57.87 | $4K |
| Apr 9, 2026 | Chuang Tzu-Sou | VP | Buy(P) | 58 | $57.87 | $3K |
| Apr 9, 2026 | He Jun | VP | Buy(P) | 58 | $57.87 | $3K |
| Apr 9, 2026 | Chuang Juiping | VP | Buy(P) | 62 | $57.87 | $4K |
| Apr 9, 2026 | Hou Yung-Chin | SVP and Deputy Co-COO | Buy(P) | 78 | $57.87 | $5K |
| Apr 9, 2026 | Chin Yung-Pei | EVP and Co-COO | Buy(P) | 89 | $57.87 | $5K |
| Apr 9, 2026 | Chen Pei-Hung | VP | Buy(P) | 57 | $57.87 | $3K |
| Apr 9, 2026 | Chen Chih-Ho | Controller | Buy(P) | 40 | $57.87 | $2K |
| Apr 9, 2026 | Chang Tzonz-Sheng | SVP | Buy(P) | 67 | $57.87 | $4K |
| Apr 9, 2026 | Cao Min | VP | Buy(P) | 66 | $57.87 | $4K |
| Apr 9, 2026 | Hwang Yuan-Ko | VP | Buy(P) | 51 | $57.87 | $3K |
| Mar 31, 2026 | BURNS URSULA M | Director | Buy(P) | 1.0K | $322.05 | $322K |
| Mar 30, 2026 | Lin Shyue-Shyh | VP | Buy(P) | 3.0K | $54.72 | $164K |
| Mar 29, 2026 | Lin Shyue-Shyh | VP | Buy(P) | 2.0K | $55.63 | $111K |
| Mar 22, 2026 | Yeap Choh Fei | SVP | Buy(P) | 1.0K | $55.78 | $56K |
| Mar 22, 2026 | Tien Bor-Zen | VP | Buy(P) | 1.0K | $55.93 | $56K |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S) — the tradeable signal; awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).