List of insiders holdings for GERON CORP:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
# | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
1 | HARLEY CALVIN VP, CSO Telomerase Tech | 2009-06-01 21:24:34 | 2,258,451 0 | 2,258,451 | Form 4 |
2 | GRETHLEIN ANDREW J EVP, Chief Operating Officer | 2025-02-20 16:05:04 | 979,000 0 | 979,000 | Form 4 |
3 | WALKER JOHN PETER Director | 2009-01-30 21:12:26 | 886,087 0 | 886,087 | Form 4 |
4 | OKARMA THOMAS President and CEO | 2010-07-13 20:13:37 | 774,560 0 | 774,560 | Form 4 |
5 | ROBERTSON MICHELLE EVP, Chief Financial Officer | 2025-02-20 16:05:03 | 766,000 0 | 766,000 | Form 4 |
6 | ROSENFIELD STEPHEN EVP, Chief Legal Off & Sec | 2022-02-18 18:07:42 | 750,000 0 | 750,000 | Form 4 |
7 | Rizo Aleksandra EVP, Chief Medical Officer | 2022-02-18 18:05:14 | 750,000 0 | 750,000 | Form 4 |
8 | EARP DAVID SVP, Corp Transactions | 2012-06-01 20:15:12 | 467,406 0 | 467,406 | Form 4 |
9 | Parker Craig C EVP, Corp Dev & Sci Affairs | 2014-02-12 20:30:23 | 400,000 0 | 400,000 | Form 4 |
10 | BARKAS ALEXANDER E Director | 2011-05-24 21:07:29 | 353,122 0 | 353,122 | Form 4 |
11 | Kapur Anil EVP, Corp Strategy & CCO | 2024-06-12 16:05:04 | 328,125 0 | 328,125 | Form 4 |
12 | BEHRS MELISSA KELLY EVP, Chief Business Officer | 2021-02-04 19:45:30 | 300,000 0 | 300,000 | Form 4 |
13 | Benedetti Fabio M SVP, Chief Med Off, Oncology | 2009-06-01 21:22:27 | 265,560 0 | 265,560 | Form 4 |
14 | STEMPEL WILLIAM VP and General Counsel | 2004-06-01 17:17:39 | 260,480 0 | 260,480 | Form 4 |
15 | Bloom Olivia Kyusuk EVP, Chief Financial Officer | 2023-09-21 20:31:15 | 250,000 0 | 250,000 | Form 4 |
16 | MERIX BIOSCIENCE INC 10% Owner | 2004-11-12 07:58:28 | 221,300 0 | 221,300 | Form 13G |
17 | COOPER GRAHAM K EVP, Bus Dev & CFO | 2012-05-18 20:05:38 | 200,000 0 | 200,000 | Form 4 |
18 | FRITZKY EDWARD V Director | 2013-05-24 19:09:01 | 186,511 0 | 186,511 | Form 4 |
19 | Spiegel Robert J. Director | 2025-07-01 16:53:59 | 182,844 0 | 182,844 | Form 4 |
20 | Aggarwal Gaurav Director | 2025-05-22 17:07:35 | 180,000 0 | 180,000 | Form 4 |
21 | Bir Dawn Carter Interim President and CEO | 2025-05-22 17:06:38 | 180,000 0 | 180,000 | Form 4 |
22 | LAWLIS V BRYAN Director | 2025-05-22 17:04:42 | 180,000 0 | 180,000 | Form 4 |
23 | McDonald John F Director | 2025-05-22 17:03:32 | 180,000 0 | 180,000 | Form 4 |
24 | Molineaux Susan Director | 2025-05-22 17:02:43 | 180,000 0 | 180,000 | Form 4 |
25 | O'Farrell Elizabeth G. Director | 2025-05-22 17:01:52 | 180,000 0 | 180,000 | Form 4 |
26 | KILEY THOMAS Director | 2013-05-24 19:10:16 | 171,911 0 | 171,911 | Form 4 |
27 | SCARLETT JOHN A Chairman, President and CEO | 2025-03-03 06:01:06 | 12,500 125,000 | 137,500 | Form 4 |
28 | EASTHAM KARIN Director | 2023-01-17 19:01:10 | 109,047 0 | 109,047 | Form 4 |
29 | Ziegler James EVP, Chief Commercial Officer | 2025-03-03 06:01:05 | 100,000 0 | 100,000 | Form 4 |
30 | Feller Faye EVP, Chief Medical Officer | 2024-06-12 16:05:08 | 87,500 0 | 87,500 | Form 4 |
31 | ZENNER PATRICK J Director | 2010-05-21 21:10:16 | 84,960 0 | 84,960 | Form 4 |
32 | HOMCY CHARLES J Director | 2011-05-13 20:02:01 | 72,751 0 | 72,751 | Form 4 |
33 | Huh Hoyoung Director | 2018-05-17 16:42:56 | 70,000 0 | 70,000 | Form 4 |
34 | Kelsey Stephen Michael EVP, R&D, Chief Med Officer | 2013-05-07 21:23:46 | 62,272 0 | 62,272 | Form 4 |
35 | BRADBURY DANIEL Director | 2019-04-01 19:55:22 | 0 51,323 | 51,323 | Form 4 |
36 | LEBKOWSKI JANE Former SVP, CSO | 2012-02-14 17:09:24 | 0 38,712 | 38,712 | Form 5 |
37 | GREENWOOD DAVID Former President and CFO | 2012-02-14 17:10:03 | 0 28,596 | 28,596 | Form 5 |
38 | Samuels Scott Alan EVP, Chief Legal Officer | 2025-03-03 06:01:08 | 26,682 0 | 26,682 | Form 4 |
39 | Hofstaetter Thomas Director | 2015-03-19 19:27:58 | 26,564 0 | 26,564 | Form 4 |
40 | Spink Katharine E. Former SVP Alliance Mgmt & Ops | 2012-02-14 17:11:15 | 0 15,803 | 15,803 | Form 5 |
41 | Nallicheri Melanie I SVP Corp Dev | 2012-02-14 17:10:29 | 0 10,015 | 10,015 | Form 5 |
42 | Colowick Alan President, Oncology | 2008-01-04 20:54:56 | 0 3,028 | 3,028 | Form 4 |
43 | STEIN ROBERT B Director | 2003-12-02 16:24:28 | 625 0 | 625 | Form 4 |
44 | Eid Joseph EVP, Research and Development | 2024-11-12 16:05:19 | 0 0 | 0 | Form 3 |