Geron Corporation (GERN)
Nasdaq: GERN · Pharmaceutical Preparations · Foster City, CA · filing with the SEC since 1996
Who runs Geron Corporation
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Bir Dawn Carter
Interim President and CEO. First filing Mar 2019, latest May 26, 2026, 0 filings in all.
Officers reporting now
6
of 12 people with a filing in the last fifteen months
Directors reporting now
6
27 people on the record since 2006
Officerssales are open-market, Oct 1, 2025 to Oct 1, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Bir Dawn Carter | Interim President and CEO | Mar 2019 | May 26, 2026 | none |
| Williams Timothy | EVP and Chief Legal Officer | Apr 2026 | Apr 14, 2026 | none |
| Robertson Michelle | EVP, CHIEF FINANCIAL OFFICER | Sep 2023 | Feb 19, 2026 | 1 · $0.00 |
| Eid Joseph | EVP, R&D; Chief Medical Office | Nov 2024 | Feb 19, 2026 | none |
| Elnawawi Ahmed | EVP, Chief Commercial Officer | Oct 2025 | Oct 20, 2025 | none |
| Semerjian Harout | President and CEO | Aug 2025 | Aug 8, 2025 | none |
Directorssales are open-market, Oct 1, 2025 to Oct 1, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Spiegel Robert J. | director | May 2010 | Oct 1, 2026 | none |
| Mcdonald John F | director | Sep 2022 | May 26, 2026 | none |
| Molineaux Susan | director | Sep 2012 | May 26, 2026 | none |
| O'Farrell Elizabeth G. | director | Mar 2019 | May 26, 2026 | none |
| Andrews Patricia S | director | Mar 2026 | Mar 26, 2026 | none |
| Chinoporos Constantine | director | Mar 2026 | Mar 26, 2026 | none |
Earlier names on the record15, newest filing first
Aggarwal Gaurav · director · last filing May 2025Lawlis V Bryan · director · last filing May 2025Scarlett John A · officer · last filing Mar 2025Samuels Scott Alan · officer · last filing Mar 2025Ziegler James · officer · last filing Mar 2025Grethlein Andrew J · officer · last filing Feb 2025Feller Faye · officer · last filing Jun 2024Kapur Anil · officer · last filing Jun 2024Bloom Olivia Kyusuk · officer · last filing Sep 2023Eastham Karin · director · last filing Jan 2023Rizo Aleksandra · officer · last filing Feb 2022Rosenfield Stephen · officer · last filing Feb 2022Behrs Melissa Kelly · officer · last filing Feb 2021Bradbury Daniel · director · last filing Apr 2019Huh Hoyoung · officer · last filing May 2018
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.