The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 18, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | Sell(S) | 6K | $171.89 | $1.0M |
| Jun 17, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | Sell(S) | 40K | $170.60 | $6.9M |
| Jun 12, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | Tax withholding(F) | 23K | $172.78 | $4.0M |
| Jun 12, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | Sell(S) | 29K | $166.53 | $4.8M |
| Jun 12, 2026 | Murry Stefan J. | Chief Financial Officer | Tax withholding(F) | 30K | $172.78 | $5.2M |
| Jun 12, 2026 | Murry Stefan J. | Chief Financial Officer | Sell(S) | 33K | $166.53 | $5.5M |
| Jun 12, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO, Director | Tax withholding(F) | 87K | $172.78 | $15.0M |
| Jun 12, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO, Director | Sell(S) | 59K | $166.53 | $9.8M |
| Jun 12, 2026 | Kuo David C | *** See Remarks | Tax withholding(F) | 19K | $172.78 | $3.3M |
| Jun 12, 2026 | Kuo David C | *** See Remarks | Sell(S) | 29K | $166.53 | $4.9M |
| Jun 12, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | Tax withholding(F) | 27K | $172.78 | $4.7M |
| Jun 12, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | Sell(S) | 34K | $166.53 | $5.7M |
| Jun 10, 2026 | Murry Stefan J. | Chief Financial Officer | Sell(S) | 4K | $171.45 | $686K |
| Jun 9, 2026 | Yeh William H | Director | Grant(A) | 1K | — | $0 |
| Jun 9, 2026 | Lin Che-Wei | Director | Grant(A) | 1K | — | $0 |
| Jun 9, 2026 | Flanagan Robert James | Director | Grant(A) | 1K | — | $0 |
| Jun 9, 2026 | DeLaney Cynthia | Director | Grant(A) | 1K | — | $0 |
| Jun 9, 2026 | Chen Min-Chu (Mike) | Director | Grant(A) | 1K | — | $0 |
| Jun 9, 2026 | Black Richard B | Director | Grant(A) | 1K | — | $0 |
| Jun 5, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | Sell(S) | 4K | $200.07 | $800K |
| Jun 4, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | Sell(S) | 5K | $204.75 | $1.0M |
| Jun 4, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | Sell(S) | 5K | $205.39 | $1.0M |
| Mar 19, 2026 | Kuo David C | *** See Remarks | Sell(S) | 29K | $100.13 | $2.9M |
| Mar 16, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | Sell(S) | 36K | $100.25 | $3.6M |
| Mar 10, 2026 | Murry Stefan J. | Chief Financial Officer | Sell(S) | 4K | $112.76 | $451K |
| Mar 9, 2026 | Yeh William H | Director | Sell(S) | 15K | $105.76 | $1.6M |
| Mar 9, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | Sell(S) | 50K | $97.10 | $4.9M |
| Mar 9, 2026 | Chen Min-Chu (Mike) | Director | Sell(S) | 9K | $108.72 | $961K |
| Mar 6, 2026 | Chen Min-Chu (Mike) | Director | Sell(S) | 3K | $97.00 | $243K |
| Mar 5, 2026 | Black Richard B | Director | Sell(S) | 3K | $95.00 | $307K |
| Mar 4, 2026 | DeLaney Cynthia | Director | Sell(S) | 21K | $98.02 | $2.1M |
| Mar 3, 2026 | Loboa Elizabeth G | Director | Sell(S) | 102K | $95.76 | $9.8M |
| Feb 20, 2026 | Murry Stefan J. | Chief Financial Officer | Sell(S) | 6K | $50.15 | $300K |
| Feb 11, 2026 | Kuo David C | *** See Remarks | Sell(S) | 17K | $50.17 | $876K |
| Feb 11, 2026 | Murry Stefan J. | Chief Financial Officer | Sell(S) | 12K | $50.25 | $588K |
| Feb 10, 2026 | Kuo David C | *** See Remarks | Sell(S) | 3K | $50.00 | $127K |
| Feb 10, 2026 | Murry Stefan J. | Chief Financial Officer | Sell(S) | 2K | $50.00 | $116K |
| Feb 10, 2026 | Murry Stefan J. | Chief Financial Officer | Sell(S) | 4K | $48.68 | $195K |
| Feb 9, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | Grant(A) | 26K | — | $0 |
| Feb 9, 2026 | Kuo David C | *** See Remarks | Grant(A) | 17K | — | $0 |
| Feb 9, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO, Director | Grant(A) | 83K | — | $0 |
| Feb 9, 2026 | Murry Stefan J. | Chief Financial Officer | Grant(A) | 32K | — | $0 |
| Feb 9, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | Grant(A) | 26K | — | $0 |
| Jan 28, 2026 | Kuo David C | *** See Remarks | Sell(S) | 12K | $45.06 | $541K |
| Jan 22, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | Tax withholding(F) | 850 | $38.38 | $33K |
| Jan 22, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | Tax withholding(F) | 674 | $38.38 | $26K |
| Jan 22, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | Tax withholding(F) | 3K | $38.38 | $113K |
| Jan 22, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | Tax withholding(F) | 2K | $38.38 | $72K |
| Jan 22, 2026 | Kuo David C | *** See Remarks | Tax withholding(F) | 1K | $38.38 | $45K |
| Jan 22, 2026 | Kuo David C | *** See Remarks | Tax withholding(F) | 2K | $38.38 | $79K |
| Jan 22, 2026 | Kuo David C | *** See Remarks | Tax withholding(F) | 519 | $38.38 | $20K |
| Jan 22, 2026 | Kuo David C | *** See Remarks | Tax withholding(F) | 567 | $38.38 | $22K |
| Jan 22, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO, Director | Tax withholding(F) | 6K | $38.38 | $239K |
| Jan 22, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO, Director | Tax withholding(F) | 10K | $38.38 | $381K |
| Jan 22, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO, Director | Tax withholding(F) | 3K | $38.38 | $110K |
| Jan 22, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO, Director | Tax withholding(F) | 3K | $38.38 | $102K |
| Jan 22, 2026 | Murry Stefan J. | Chief Financial Officer | Tax withholding(F) | 3K | $38.38 | $125K |
| Jan 22, 2026 | Murry Stefan J. | Chief Financial Officer | Tax withholding(F) | 747 | $38.38 | $29K |
| Jan 22, 2026 | Murry Stefan J. | Chief Financial Officer | Tax withholding(F) | 1K | $38.38 | $42K |
| Jan 22, 2026 | Murry Stefan J. | Chief Financial Officer | Tax withholding(F) | 2K | $38.38 | $79K |
| Jan 22, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | Tax withholding(F) | 609 | $38.38 | $23K |
| Jan 22, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | Tax withholding(F) | 3K | $38.38 | $98K |
| Jan 22, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | Tax withholding(F) | 862 | $38.38 | $33K |
| Jan 22, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | Tax withholding(F) | 2K | $38.38 | $73K |
| Jan 15, 2026 | Murry Stefan J. | Chief Financial Officer | Sell(S) | 66 | $35.01 | $2K |
| Jan 13, 2026 | Murry Stefan J. | Chief Financial Officer | Sell(S) | 934 | $35.00 | $33K |
| Jan 12, 2026 | Murry Stefan J. | Chief Financial Officer | Sell(S) | 3K | $33.75 | $101K |
| Dec 23, 2025 | Kuo David C | *** See Remarks | Sell(S) | 13K | $40.15 | $502K |
| Dec 15, 2025 | Loboa Elizabeth G | Director | Sell(S) | 4K | $30.23 | $125K |
| Dec 11, 2025 | Murry Stefan J. | Chief Financial Officer | Gift(G) | 1K | — | $0 |
| Dec 10, 2025 | Murry Stefan J. | Chief Financial Officer | Sell(S) | 1K | $35.00 | $35K |
| Dec 10, 2025 | Murry Stefan J. | Chief Financial Officer | Sell(S) | 3K | $30.40 | $91K |
| Nov 26, 2025 | Black Richard B | Director | Gift(G) | 600 | — | $0 |
| Oct 22, 2025 | Yeh Shu-Hua (Joshua) | *** See Remarks | Tax withholding(F) | 610 | $33.40 | $20K |
| Oct 22, 2025 | Yeh Shu-Hua (Joshua) | *** See Remarks | Tax withholding(F) | 3K | $33.40 | $85K |
| Oct 22, 2025 | Yeh Shu-Hua (Joshua) | *** See Remarks | Tax withholding(F) | 862 | $33.40 | $29K |
| Oct 22, 2025 | Yeh Shu-Hua (Joshua) | *** See Remarks | Tax withholding(F) | 2K | $33.40 | $63K |
| Oct 22, 2025 | Murry Stefan J. | Chief Financial Officer | Tax withholding(F) | 3K | $33.40 | $99K |
| Oct 22, 2025 | Murry Stefan J. | Chief Financial Officer | Tax withholding(F) | 2K | $33.40 | $62K |
| Oct 22, 2025 | Murry Stefan J. | Chief Financial Officer | Tax withholding(F) | 679 | $33.40 | $23K |
| Oct 22, 2025 | Murry Stefan J. | Chief Financial Officer | Tax withholding(F) | 989 | $33.40 | $33K |
| Oct 22, 2025 | Lin Chih-Hsiang (Thompson) | President and CEO, Director | Tax withholding(F) | 3K | $33.40 | $84K |
| Oct 22, 2025 | Lin Chih-Hsiang (Thompson) | President and CEO, Director | Tax withholding(F) | 9K | $33.40 | $292K |
| Oct 22, 2025 | Lin Chih-Hsiang (Thompson) | President and CEO, Director | Tax withholding(F) | 2K | $33.40 | $78K |
| Oct 22, 2025 | Lin Chih-Hsiang (Thompson) | President and CEO, Director | Tax withholding(F) | 5K | $33.40 | $183K |
| Oct 22, 2025 | Kuo David C | *** See Remarks | Tax withholding(F) | 2K | $33.40 | $62K |
| Oct 22, 2025 | Kuo David C | *** See Remarks | Tax withholding(F) | 1K | $33.40 | $36K |
| Oct 22, 2025 | Kuo David C | *** See Remarks | Tax withholding(F) | 472 | $33.40 | $16K |
| Oct 22, 2025 | Kuo David C | *** See Remarks | Tax withholding(F) | 516 | $33.40 | $17K |
| Oct 22, 2025 | Chang Hung-Lun (Fred) | *** See Remarks | Tax withholding(F) | 774 | $33.40 | $26K |
| Oct 22, 2025 | Chang Hung-Lun (Fred) | *** See Remarks | Tax withholding(F) | 2K | $33.40 | $57K |
| Oct 22, 2025 | Chang Hung-Lun (Fred) | *** See Remarks | Tax withholding(F) | 3K | $33.40 | $89K |
| Oct 22, 2025 | Chang Hung-Lun (Fred) | *** See Remarks | Tax withholding(F) | 614 | $33.40 | $21K |
| Aug 22, 2025 | Black Richard B | Director | Gift(G) | 2K | — | $0 |
| Aug 15, 2025 | Kuo David C | *** See Remarks | Sell(S) | 2K | $22.34 | $45K |
| Aug 15, 2025 | Murry Stefan J. | Chief Financial Officer | Sell(S) | 12K | $22.37 | $268K |
| Aug 14, 2025 | Yeh William H | Director | Buy(P) | 4K | $21.40 | $86K |
| Aug 14, 2025 | Lin Che-Wei | Director | Buy(P) | 5K | $21.64 | $100K |
| Aug 14, 2025 | Lin Chih-Hsiang (Thompson) | President and CEO, Director | Buy(P) | 6K | $21.62 | $124K |
| Aug 14, 2025 | Lin Chih-Hsiang (Thompson) | President and CEO, Director | Buy(P) | 1K | $21.26 | $30K |
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).