SUGAR LAND, TX
Total Insiders
32
Active leadership & owners
Board Directors
14
Governing body
Corporate Officers
15
Executive management
10%+ Owners
5
Major shareholders
Active Insiders
32
Currently serving
Former Insiders
0
Past roles
| Name & Role | Position | Tenure | Holdings |
|---|---|---|---|
CSL LTD 10% Owner | — | Since Aug 2022 | — |
TWEARDY SAMUEL DAVID 10% Owner | — | Since Apr 2025 | — |
VIFOR (INTERNATIONAL) LTD 10% Owner | — | Since Oct 2021 | — |
VIFOR FRESENIUS MEDICAL CARE RENAL PHARMA LTD. 10% Owner | — | Since Oct 2021 | — |
VIFOR PHARMA LTD. 10% Owner | — | Since Oct 2021 | — |
ALIBHAI IMRAN NIZAMUDIN DirectorOfficer | Chief Executive Officer | Since Jan 2026 | — |
BAINS HARRISON M JR Director | — | Since Jun 2019 | — |
BOUDREAU HELEN M Director | — | Since Aug 2023 | — |
CHALMERS DEREK T DirectorOfficer | President & CEO | Since Jul 2018 | — |
HALL WALLACE L JR Director | — | Since Apr 2025 | — |