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 |
|---|---|---|---|---|---|---|
| May 15, 2026 | Quire Daniel | Chief Revenue Officer | Tax withholding(F) | 2K | $26.28 | $54K |
| May 15, 2026 | Yu Alan | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 2K | $26.28 | $56K |
| May 15, 2026 | Guo Jian | Chief Financial Officer, Director | Tax withholding(F) | 3K | $26.28 | $72K |
| May 12, 2026 | Guo Jian | Chief Financial Officer, Director | Option exercise(M) | 8K | — | — |
| May 12, 2026 | Guo Jian | Chief Financial Officer, Director | Option exercise(M) | 8K | — | $0 |
| May 12, 2026 | Yu Alan | Chief Executive Officer, Director, 10% Owner | Option exercise(M) | 8K | — | — |
| May 12, 2026 | Yu Alan | Chief Executive Officer, Director, 10% Owner | Option exercise(M) | 8K | — | $0 |
| May 12, 2026 | Quire Daniel | Chief Revenue Officer | Option exercise(M) | 8K | — | — |
| May 12, 2026 | Quire Daniel | Chief Revenue Officer | Option exercise(M) | 8K | — | $0 |
| May 7, 2026 | Chen Eric K | Director | Option exercise(M) | 1K | — | — |
| May 7, 2026 | Chen Eric K | Director | Option exercise(M) | 1K | — | $0 |
| May 7, 2026 | Chen Paul Y | Director | Option exercise(M) | 1K | — | — |
| May 7, 2026 | Chen Paul Y | Director | Option exercise(M) | 1K | — | $0 |
| May 7, 2026 | Yen Eve | Director | Option exercise(M) | 1K | — | — |
| May 7, 2026 | Yen Eve | Director | Option exercise(M) | 1K | — | $0 |
| Mar 11, 2026 | Guo Jian | Chief Financial Officer, Director | Grant(A) | 28K | — | $0 |
| Mar 11, 2026 | Yu Alan | Chief Executive Officer, Director, 10% Owner | Grant(A) | 32K | — | $0 |
| Mar 11, 2026 | Quire Daniel | Chief Revenue Officer | Grant(A) | 24K | — | $0 |
| Nov 12, 2025 | Guo Jian | Chief Financial Officer, Director | Buy(P) | 1K | $22.11 | $30K |
| Aug 15, 2025 | Guo Jian | Chief Financial Officer, Director | Option exercise(M) | 2K | $16.53 | $40K |
| Aug 15, 2025 | Guo Jian | Chief Financial Officer, Director | Option exercise(M) | 2K | — | $0 |
| Jun 27, 2025 | Cheng Marvin | VP-Manufacturing, Secy, 10% Owner | Sell(S) | 113K | $27.00 | $3.0M |
| Jun 27, 2025 | Yu Alan | Chief Executive Officer, Director, 10% Owner | Sell(S) | 113K | $27.00 | $3.0M |
| Jun 12, 2025 | Yu Alan | Chief Executive Officer, Director, 10% Owner | Sell(S) | 750K | $27.00 | $20.3M |
| Jun 12, 2025 | Cheng Marvin | VP-Manufacturing, Secy, 10% Owner | Sell(S) | 750K | $27.00 | $20.3M |
| May 14, 2025 | Quire Daniel | Chief Revenue Officer | Tax withholding(F) | 2K | $30.04 | $62K |
| May 14, 2025 | Guo Jian | Chief Financial Officer, Director | Tax withholding(F) | 3K | $30.04 | $83K |
| May 14, 2025 | Yu Alan | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 3K | $30.04 | $76K |
| May 12, 2025 | Quire Daniel | Chief Revenue Officer | Option exercise(M) | 8K | — | — |
| May 12, 2025 | Quire Daniel | Chief Revenue Officer | Option exercise(M) | 8K | — | $0 |
| May 12, 2025 | Guo Jian | Chief Financial Officer, Director | Option exercise(M) | 8K | — | — |
| May 12, 2025 | Guo Jian | Chief Financial Officer, Director | Option exercise(M) | 8K | — | $0 |
| May 12, 2025 | Yu Alan | Chief Executive Officer, Director, 10% Owner | Option exercise(M) | 8K | — | — |
| May 12, 2025 | Yu Alan | Chief Executive Officer, Director, 10% Owner | Option exercise(M) | 8K | — | $0 |
| May 7, 2025 | Chen Paul Y | Director | Option exercise(M) | 1K | — | — |
| May 7, 2025 | Chen Paul Y | Director | Option exercise(M) | 1K | — | $0 |
| May 7, 2025 | Yen Eve | Director | Option exercise(M) | 1K | — | — |
| May 7, 2025 | Yen Eve | Director | Option exercise(M) | 1K | — | $0 |
| May 7, 2025 | Chen Eric K | Director | Option exercise(M) | 1K | — | — |
| May 7, 2025 | Chen Eric K | Director | Option exercise(M) | 1K | — | $0 |
| Nov 18, 2024 | Guo Jian | Chief Financial Officer, Director | Option exercise(M) | 3K | $16.53 | $41K |
| Nov 18, 2024 | Guo Jian | Chief Financial Officer, Director | Option exercise(M) | 3K | — | $0 |
| Aug 19, 2024 | Guo Jian | Chief Financial Officer, Director | Option exercise(M) | 2K | $16.53 | $33K |
| Aug 19, 2024 | Guo Jian | Chief Financial Officer, Director | Option exercise(M) | 2K | — | $0 |
| May 16, 2024 | Yen Eve | Director | Option exercise(M) | 5K | $18.80 | $94K |
| May 15, 2024 | Yu Alan | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 2K | $29.02 | $51K |
| May 14, 2024 | Quire Daniel | Chief Revenue Officer | Tax withholding(F) | 2K | $27.45 | $53K |
| May 14, 2024 | Guo Jian | Chief Financial Officer, Director | Tax withholding(F) | 2K | $27.46 | $68K |
| May 12, 2024 | Quire Daniel | Chief Revenue Officer | Option exercise(M) | 8K | — | — |
| May 12, 2024 | Quire Daniel | Chief Revenue Officer | Option exercise(M) | 8K | — | $0 |
| May 12, 2024 | Yu Alan | Chief Executive Officer, Director, 10% Owner | Option exercise(M) | 8K | — | — |
| May 12, 2024 | Yu Alan | Chief Executive Officer, Director, 10% Owner | Option exercise(M) | 8K | — | $0 |
| May 12, 2024 | Guo Jian | Chief Financial Officer, Director | Option exercise(M) | 8K | — | — |
| May 12, 2024 | Guo Jian | Chief Financial Officer, Director | Option exercise(M) | 8K | — | $0 |
| May 8, 2024 | Guo Jian | Chief Financial Officer, Director | Option exercise(M) | 4K | $16.53 | $58K |
| May 8, 2024 | Guo Jian | Chief Financial Officer, Director | Option exercise(M) | 4K | — | $0 |
| May 7, 2024 | Chen Eric K | Director | Grant(A) | 2K | — | $0 |
| May 7, 2024 | Yen Eve | Director | Grant(A) | 2K | — | $0 |
| May 7, 2024 | Chen Paul Y | Director | Grant(A) | 2K | — | $0 |
| Mar 12, 2024 | Quire Daniel | Chief Revenue Officer | Grant(A) | 24K | — | $0 |
| Mar 12, 2024 | Yu Alan | Chief Executive Officer, Director, 10% Owner | Grant(A) | 24K | — | $0 |
| Mar 12, 2024 | Guo Jian | Chief Financial Officer, Director | Grant(A) | 24K | — | $0 |
| Feb 8, 2024 | Guo Jian | Chief Financial Officer, Director | Tax withholding(F) | 1K | $26.09 | $27K |
| Feb 1, 2024 | Guo Jian | Chief Financial Officer | Option exercise(M) | 4K | — | — |
| Feb 1, 2024 | Guo Jian | Chief Financial Officer | Option exercise(M) | 4K | — | $0 |
| Oct 17, 2023 | Quire Daniel | Chief Revenue Officer | Sell(S) | 490 | $22.09 | $11K |
| Oct 17, 2023 | Wang Joanne Tzu Jung | Chief Operating Officer | Sell(S) | 9K | $22.09 | $191K |
| Oct 15, 2023 | Quire Daniel | Chief Revenue Officer | Option exercise(M) | 2K | — | — |
| Oct 15, 2023 | Quire Daniel | Chief Revenue Officer | Option exercise(M) | 2K | — | $0 |
| Oct 15, 2023 | Wang Joanne Tzu Jung | Chief Operating Officer | Option exercise(M) | 25K | — | — |
| Oct 15, 2023 | Wang Joanne Tzu Jung | Chief Operating Officer | Option exercise(M) | 25K | — | $0 |
| Sep 19, 2023 | Cheng Marvin | VP-Manufacturing, Secy | Sell(S) | 150K | $21.00 | $3.1M |
| Sep 12, 2023 | Cheng Marvin | VP-Manufacturing, Secy | Sell(S) | 500K | $21.00 | $10.5M |
| Sep 12, 2023 | Yu Alan | Chief Executive Officer, Director | Sell(S) | 500K | $21.00 | $10.5M |
| Aug 10, 2023 | Guo Jian | Chief Financial Officer | Option exercise(M) | 3K | $16.53 | $50K |
| Aug 10, 2023 | Guo Jian | Chief Financial Officer | Option exercise(M) | 3K | — | $0 |
| Feb 1, 2023 | Guo Jian | Chief Financial Officer | Option exercise(M) | 4K | — | — |
| Feb 1, 2023 | Guo Jian | Chief Financial Officer | Option exercise(M) | 4K | — | $0 |
| Feb 1, 2023 | Guo Jian | Chief Financial Officer | Tax withholding(F) | 1K | $15.03 | $20K |
| Dec 16, 2022 | Cheng Marvin | VP-Manufacturing, Secy | Buy(P) | 1K | $13.44 | $13K |
| Dec 16, 2022 | Yu Alan | CEO and Chairman of the BOD, Director | Buy(P) | 7K | $12.97 | $92K |
| Dec 15, 2022 | Yu Alan | CEO and Chairman of the BOD, Director | Buy(P) | 5K | $13.70 | $62K |
| Dec 13, 2022 | Yu Alan | CEO and Chairman of the BOD, Director | Buy(P) | 4K | $13.84 | $55K |
| Dec 9, 2022 | Yu Alan | CEO and Chairman of the BOD, Director | Buy(P) | 7K | $13.95 | $98K |
| Dec 6, 2022 | Yu Alan | CEO and Chairman of the BOD, Director | Buy(P) | 700 | $14.29 | $10K |
| Dec 5, 2022 | Yu Alan | CEO and Chairman of the BOD, Director | Buy(P) | 1K | $13.96 | $15K |
| Dec 2, 2022 | Yu Alan | CEO & Chairman of the BOD, Director | Buy(P) | 17K | $14.03 | $236K |
| Dec 1, 2022 | Yu Alan | CEO & Chairman of the BOD, Director | Buy(P) | 9K | $14.37 | $129K |
| Nov 30, 2022 | Yu Alan | CEO & Chairman of the BOD, Director | Buy(P) | 22K | $13.96 | $309K |
| Nov 28, 2022 | Yu Alan | CEO and Chairman of the BOD, Director | Buy(P) | 4K | $13.47 | $54K |
| Nov 18, 2022 | Yu Alan | CEO and Chairman of the BOD, Director | Buy(P) | 2K | $14.00 | $34K |
| Nov 17, 2022 | Guo Jian | Chief Financial Officer | Buy(P) | 500 | $13.93 | $7K |
| Nov 17, 2022 | Guo Jian | Chief Financial Officer | Buy(P) | 350 | $14.00 | $5K |
| Nov 14, 2022 | Yu Alan | CEO and Chairman of the BOD, Director | Buy(P) | 2K | $13.85 | $32K |
| Oct 25, 2022 | Wang Joanne Tzu Jung | Chief Operating Officer, Director | Tax withholding(F) | 8K | $13.55 | $107K |
| Oct 25, 2022 | Wang Joanne Tzu Jung | Chief Operating Officer, Director | Tax withholding(F) | 3K | $14.54 | $47K |
| Oct 15, 2022 | Wang Joanne Tzu Jung | Chief Operating Officer, Director | Option exercise(M) | 25K | — | — |
| Oct 15, 2022 | Wang Joanne Tzu Jung | Chief Operating Officer, Director | Option exercise(M) | 25K | — | $0 |
| Sep 16, 2022 | Wang Joanne Tzu Jung | Chief Operating Officer, Director | Sell(S) | 12K | $17.21 | $207K |
| Sep 14, 2022 | Cheng Marvin | VP-Manufacturing, Secy | Sell(S) | 500 | $18.25 | $9K |
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.
Coverage: Form 4 filings indexed 2021-03-29 → 2026-07-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).