GERON CORP (GERN)
Nasdaq · Pharmaceutical Preparations · Inc. DE
What they're doing
Not enough recent activity to summarise.
Signals, last 12 months
- Material 8-K filingFiled 8-K disclosing director or officer change
- Material 8-K filingFiled 8-K disclosing director or officer change
- Material 8-K filingFiled 8-K disclosing material agreement
- Material 8-K filingFiled 8-K disclosing director or officer change
Insider transactions
| Date | Insider | Role | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-31 | Spiegel Robert J. | director | A | 5,243 | 1.49 | $7,812 |
| 2026-02-18 | ROBERTSON MICHELLE | officer | S | 9,855 | 1.94 | $19,119 |
| 2026-02-18 | ROBERTSON MICHELLE | officer | M | 27,500 | 0 | $0 |
| 2025-12-31 | Spiegel Robert J. | director | A | 5,918 | 1.32 | $7,812 |
| 2025-09-30 | Spiegel Robert J. | director | A | 5,702 | 1.37 | $7,812 |
| 2025-06-30 | Spiegel Robert J. | director | A | 5,540 | 1.41 | $7,811 |
| 2025-05-09 | LAWLIS V BRYAN | director | P | 13,300 | 1.18 | $15,694 |
| 2025-03-31 | Spiegel Robert J. | director | A | 4,913 | 1.59 | $7,812 |
| 2025-02-27 | Samuels Scott Alan | officer | P | 15,000 | 1.61 | $24,150 |
| 2025-02-27 | SCARLETT JOHN A | director | P | 12,500 | 1.77 | $22,125 |
| 2025-02-27 | Ziegler James | officer | P | 100,000 | 1.6 | $160,000 |
| 2024-12-31 | Spiegel Robert J. | director | A | 2,206 | 3.54 | $7,809 |
| 2024-12-31 | Spiegel Robert J. | director | A | 2,206 | 0 | $0 |
| 2024-09-30 | Spiegel Robert J. | director | A | 1,767 | 4.54 | $8,022 |
| 2024-09-30 | Spiegel Robert J. | director | A | 1,767 | 0 | $0 |
| 2024-07-08 | GRETHLEIN ANDREW J | officer | S | 674,348 | 4.56 | $3,075,027 |
| 2024-07-08 | GRETHLEIN ANDREW J | officer | M | 674,348 | 1.72 | $1,159,879 |
| 2024-06-28 | Spiegel Robert J. | director | A | 1,916 | 4.24 | $8,124 |
| 2024-03-29 | Spiegel Robert J. | director | A | 2,462 | 3.3 | $8,125 |
Federal contracts
No federal contract actions on record for this recipient mapping.
Lobbying
No federal lobbying filings on record for this client mapping.
Public attention
7-day average 11 views/day vs 90-day median 12.
Recent filings
- 2026-08-14 SCHEDULE 13G/A
- 2026-08-07 SCHEDULE 13G
- 2026-08-06 8-K
- 2026-08-05 S-8
- 2026-08-05 10-Q
- 2026-07-01 4
- 2026-05-27 8-K
- 2026-05-26 4
- 2026-05-26 4
- 2026-05-26 4
- 2026-05-26 4
- 2026-05-26 4
- 2026-05-15 SCHEDULE 13G/A
- 2026-05-08 SCHEDULE 13G/A
- 2026-05-06 10-Q
- 2026-04-14 4
- 2026-04-14 3
- 2026-04-07 ARS
- 2026-04-07 DEFA14A
- 2026-04-07 DEF 14A