Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2026-08-17 | SCHEDULE 13D/A | Chen Hung-Wen | 49.76% | 1,453,029 | view → | |
| 2026-08-14 | SCHEDULE 13D/A | Chen Yi-Kuei | 4.97% | 145,171 | view → | |
| 2026-04-08 | SCHEDULE 13D | Chen Yi-Kuei | 5.30% | 115,071 | view → | |
| 2026-04-06 | SCHEDULE 13D/A | Chen Hung-Wen | 41.80% | 901,362 | view → | |
| 2023-11-01 | SC | ORBIMED ADVISORS LLC | — | — | view → | |
| 2023-10-02 | SC | ORBIMED ADVISORS LLC | — | — | view → |
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-09-15 | LIN PETER KUAN-HOW | officer | Option exercise | 10,000 | — | — |
| 2026-09-15 | LIN PETER KUAN-HOW | officer | F | 3,416 | $24.02 | $82K |
| 2026-09-15 | LIN PETER KUAN-HOW | officer | Option exercise | 10,000 | — | — |
| 2026-09-15 | Yen Hung Hsien | director | Option exercise | 500 | — | — |
| 2026-09-15 | Yen Hung Hsien | director | Option exercise | 500 | — | — |
| 2026-09-14 | LIN PETER KUAN-HOW | officer | Award | 6,000 | $23.18 | $139K |
| 2026-09-14 | Yen Hung Hsien | director | Award | 2,000 | $23.18 | $46K |
| 2026-08-14 | Chen Yi-Kuei | director, officer | Buy | 20,000 | $15.00 | $300K |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-10-15 | 38,378 | 3.82 | 0.0% |
| 2026-09-30 | 38,378 | 3.42 | -14.3% |
| 2026-09-15 | 44,773 | 4.74 | +27.6% |
| 2026-08-31 | 35,090 | 3.14 | -2.5% |
| 2026-08-14 | 36,003 | 1.57 | -16.8% |
| 2026-07-31 | 43,253 | 1.33 | +64.2% |
| 2026-07-15 | 26,338 | 1.00 | +4.9% |
| 2026-06-30 | 25,106 | 1.00 | +9.4% |
| 2026-06-15 | 22,954 | 1.00 | -7.7% |
| 2026-05-29 | 24,869 | 1.00 | +60.2% |
| 2026-05-15 | 15,523 | 1.00 | -1.9% |
| 2026-04-30 | 15,815 | 1.00 | +3.9% |
Free. We email you when criteria match. One-click unsubscribe in every email.
Free $0 (48h-delayed alerts) · Individual $49/mo (real-time) · Team & API $199/mo · Enterprise.
See pricing →