Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2026-04-02 | SCHEDULE 13D/A | Kalayoglu Murat | 19.90% | 5,833,971 | view → | |
| 2025-01-15 | SCHEDULE | SPRINGER TIMOTHY A | 36.90% | 9,555,394 | view → | |
| 2024-10-15 | SC | Kalayoglu Murat | — | — | view → | |
| 2024-07-05 | SC | SPRINGER TIMOTHY A | — | — | view → | |
| 2024-04-12 | SC | SPRINGER TIMOTHY A | — | — | view → | |
| 2021-12-27 | SC | SPRINGER TIMOTHY A | — | — | view → | |
| 2021-05-27 | SC | SPRINGER TIMOTHY A | — | — | view → | |
| 2020-10-23 | SC | SPRINGER TIMOTHY A | — | — | view → | |
| 2020-10-15 | SC | SPRINGER TIMOTHY A | — | — | view → | |
| 2020-02-05 | SC | ORBIMED ADVISORS LLC | — | — | view → | |
| 2020-01-02 | SC | SPRINGER TIMOTHY A | — | — | view → | |
| 2019-12-17 | SC | SPRINGER TIMOTHY A | — | — | view → | |
| 2019-11-13 | SC | ORBIMED ADVISORS LLC | — | — | view → | |
| 2019-02-04 | SC | Polaris Venture Partners V, L.P. | — | — | view → | |
| 2018-05-03 | SC | Polaris Venture Partners V, L.P. | — | — | view → | |
| 2018-01-26 | SC | ORBIMED ADVISORS LLC | — | — | view → |
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-02 | Hoge Elizabeth | 10%+ | Option exercise | 758,001 | — | — |
| 2026-04-02 | Kalayoglu Murat | 10%+ | Option exercise | 758,001 | — | — |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-07-15 | 1,925,634 | 12.30 | +2.1% |
| 2026-06-30 | 1,886,695 | 4.91 | -2.1% |
| 2026-06-15 | 1,927,010 | 3.24 | -15.9% |
| 2026-05-29 | 2,291,824 | 12.37 | +3.4% |
| 2026-05-15 | 2,216,090 | 11.87 | +2.2% |
| 2026-04-30 | 2,169,081 | 12.79 | -2.0% |
| 2026-04-15 | 2,214,144 | 14.01 | +2.0% |
| 2026-03-31 | 2,170,494 | 14.66 | +2.4% |
| 2026-03-13 | 2,119,136 | 4.77 | -1.4% |
| 2026-02-27 | 2,148,586 | 15.63 | -3.0% |
| 2026-02-13 | 2,215,393 | 22.20 | +2.5% |
| 2026-01-30 | 2,161,341 | 24.97 | +1.5% |
Free. We email you when criteria match. One-click unsubscribe in every email.
Custom alerts · full feed · daily intelligence · API. From $49/mo.
See pricing →