List of insiders holdings for GERON CORPORATION:
- 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 | Rizo Aleksandra EVP, Chief Medical Officer |
2022-02-18 18:05:14 | 750,000 0 |
750,000 | Form 4 |
7 | ROSENFIELD STEPHEN EVP, Chief Legal Off & Sec |
2022-02-18 18:07:42 | 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 | Molineaux Susan Director |
2024-05-10 16:05:15 | 180,000 0 |
180,000 | Form 4 |
20 | Aggarwal Gaurav Director |
2024-05-10 16:05:21 | 180,000 0 |
180,000 | Form 4 |
21 | O'Farrell Elizabeth G. Director |
2024-05-10 16:05:07 | 180,000 0 |
180,000 | Form 4 |
22 | Bir Dawn Carter Director |
2024-05-10 16:05:22 | 180,000 0 |
180,000 | Form 4 |
23 | McDonald John F Director |
2024-05-10 16:05:24 | 180,000 0 |
180,000 | Form 4 |
24 | Spiegel Robert J. Director |
2025-04-02 17:30:08 | 177,304 0 |
177,304 | Form 4 |
25 | KILEY THOMAS Director |
2013-05-24 19:10:16 | 171,911 0 |
171,911 | Form 4 |
26 | SCARLETT JOHN A Chairman, President and CEO |
2025-03-03 06:01:06 | 12,500 125,000 |
137,500 | Form 4 |
27 | EASTHAM KARIN Director |
2023-01-17 19:01:10 | 109,047 0 |
109,047 | Form 4 |
28 | Ziegler James EVP, Chief Commercial Officer |
2025-03-03 06:01:05 | 100,000 0 |
100,000 | Form 4 |
29 | Feller Faye EVP, Chief Medical Officer |
2024-06-12 16:05:08 | 87,500 0 |
87,500 | Form 4 |
30 | ZENNER PATRICK J Director |
2010-05-21 21:10:16 | 84,960 0 |
84,960 | Form 4 |
31 | HOMCY CHARLES J Director |
2011-05-13 20:02:01 | 72,751 0 |
72,751 | Form 4 |
32 | Huh Hoyoung Director |
2018-05-17 16:42:56 | 70,000 0 |
70,000 | Form 4 |
33 | Kelsey Stephen Michael EVP, R&D, Chief Med Officer |
2013-05-07 21:23:46 | 62,272 0 |
62,272 | Form 4 |
34 | BRADBURY DANIEL Director |
2019-04-01 19:55:22 | 0 51,323 |
51,323 | Form 4 |
35 | LEBKOWSKI JANE Former SVP, CSO |
2012-02-14 17:09:24 | 0 38,712 |
38,712 | Form 5 |
36 | GREENWOOD DAVID Former President and CFO |
2012-02-14 17:10:03 | 0 28,596 |
28,596 | Form 5 |
37 | Samuels Scott Alan EVP, Chief Legal Officer |
2025-03-03 06:01:08 | 26,682 0 |
26,682 | Form 4 |
38 | Hofstaetter Thomas Director |
2015-03-19 19:27:58 | 26,564 0 |
26,564 | Form 4 |
39 | Spink Katharine E. Former SVP Alliance Mgmt & Ops |
2012-02-14 17:11:15 | 0 15,803 |
15,803 | Form 5 |
40 | Nallicheri Melanie I SVP Corp Dev |
2012-02-14 17:10:29 | 0 10,015 |
10,015 | Form 5 |
41 | Colowick Alan President, Oncology |
2008-01-04 20:54:56 | 0 3,028 |
3,028 | Form 4 |
42 | STEIN ROBERT B Director |
2003-12-02 16:24:28 | 625 0 |
625 | Form 4 |
43 | Eid Joseph EVP, Research and Development |
2024-11-12 16:05:19 | 0 0 |
0 | Form 3 |
44 | LAWLIS V BRYAN Director |
2024-05-17 16:05:30 | 0 0 |
0 | Form 4 |