Geron Corporation
Last updated September 27, 2026
Organization details
- Legal name
- Geron Corporation
- Ownership
- Public
- Status
- Active
- Headquarters country
- United States
- Ticker symbol
- GERN
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0000886744
Board of directors
-
Dawn Carter Bir · DirectorSince 2023
-
Elizabeth G. O'Farrell · DirectorSince 2023
-
Gaurav Aggarwal · DirectorSince 2023
-
John A. Scarlett · Director · Chairman, President and CEOSince 2023
-
John F. McDonald · DirectorSince 2023
-
Karin Eastham · DirectorSince 2023
-
Robert J. Spiegel · DirectorSince 2023
-
Susan Molineaux · DirectorSince 2023
-
V. Bryan Lawlis · DirectorSince 2023
Chief executives
John A. Scarlett
· Chairman, President and CEO
Dates unknown
Board connections
5 of this board's directors also sit on 7 other boards.
- via Robert J. Spiegel
- via V. Bryan Lawlis
- via Elizabeth G. O'Farrell
- via Karin Eastham
- via Robert J. Spiegel
- via Gaurav Aggarwal
- via Karin Eastham
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 30, 2024 | Robert J. Spiegel Director | Grant or award | −1,767 | — | — |
| Jul 8, 2024 | GRETHLEIN ANDREW J Officer (EVP, Chief Operating Officer) | Option exercise | +674,348 | $1.72 | $1,159,879 |
| Jul 8, 2024 | GRETHLEIN ANDREW J Officer (EVP, Chief Operating Officer) | Open-market sale | −674,348 | $4.56 | $3,075,027 |
| Jun 28, 2024 | Robert J. Spiegel Director | Grant or award | −1,916 | — | — |
| Jun 10, 2024 | Feller Faye Officer (EVP, Chief Medical Officer) | Option exercise | +112,500 | $1.06 | $119,250 |
| Jun 10, 2024 | Anil Kapur Officer (EVP, Corp Strategy & CCO) | Option exercise | +421,875 | $1.06 | $447,188 |
| Jun 10, 2024 | Feller Faye Officer (EVP, Chief Medical Officer) | Option exercise | +20,000 | $1.06 | $21,200 |
| Jun 10, 2024 | Anil Kapur Officer (EVP, Corp Strategy & CCO) | Open-market sale | −421,875 | $4.65 | $1,961,719 |
| Jun 10, 2024 | Feller Faye Officer (EVP, Chief Medical Officer) | Option exercise | +155,400 | $1.30 | $202,020 |
| Jun 10, 2024 | Feller Faye Officer (EVP, Chief Medical Officer) | Open-market sale | −287,900 | $4.63 | $1,332,977 |
| Jun 4, 2024 | John A. Scarlett Director, Officer (Chairman, President and CEO) | Option exercise | +600,000 | $2.54 | $1,524,000 |
| Jun 4, 2024 | John A. Scarlett Director, Officer (Chairman, President and CEO) | Open-market sale | −600,000 | $4.00 | $2,400,000 |
| May 15, 2024 | V. Bryan Lawlis Director | Option exercise | +35,000 | $1.94 | $67,900 |
| May 15, 2024 | V. Bryan Lawlis Director | Open-market sale | −35,000 | $3.75 | $131,250 |
| Mar 29, 2024 | Robert J. Spiegel Director | Grant or award | −2,462 | — | — |
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