NEW YORK, NY
Total Insiders
21
Active leadership & owners
Board Directors
11
Governing body
Corporate Officers
9
Executive management
10%+ Owners
4
Major shareholders
Active Insiders
21
Currently serving
Former Insiders
0
Past roles
| Name & Role | Position | Tenure | Holdings |
|---|---|---|---|
DURING MATTHEW DirectorOfficer10% Owner | President and CSO | Since Feb 2019 | — |
MILLENNIUM PHARMACEUTICALS INC 10% Owner | — | Since Feb 2019 | — |
TAKEDA PHARMACEUTICAL CO LTD 10% Owner | — | Since Feb 2019 | — |
TAKEDA PHARMACEUTICALS U.S.A., INC. 10% Owner | — | Since Jul 2022 | — |
ALEXANDER MARGARET A. DirectorOfficer | President and CEO | Since Feb 2026 | — |
BERNSTEIN KAREN Director | — | Since Feb 2026 | — |
DUNCAN BARBARA GAYLE Director | — | Since Feb 2026 | — |
FITZGERALD KEVIN JOSEPH Director | — | Since Oct 2021 | — |
FRIEDMAN BART Director | — | Since Feb 2026 | — |
GREKA ANNA Director | — | Since Jun 2026 | — |