GERN GERON CORP
Nasdaq · SEC CIK 886744 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $19.1K 1 sales by 1 insiders
- Filings on record
- 126 since 2021-07-01, latest 2026-07-01 17:45
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| ROBERTSON MICHELLE | EVP, CFO | — | $19.1K |
| Spiegel Robert J. | Dir | — | — |
Transactions 62
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-01 17:45 | 2026-06-30 | GERN | Spiegel Robert J. | Dir | A - Grant | $1.28 | +6,103 | 205.8K | +3% | +$7,812 | |
| 2026-04-01 16:30 | 2026-03-31 | GERN | Spiegel Robert J. | Dir | A - Grant | $1.49 | +5,243 | 199.7K | +3% | +$7,812 | |
| D | 2026-02-19 | 2026-02-18 | GERN | ROBERTSON MICHELLE | EVP, CFO | S - Sale+OE | $1.94 | -9,855 | 17.6K | -36% | -$19.1K |
| D | 2026-02-19 | 2026-02-18 | GERN | ROBERTSON MICHELLE | EVP, CFO | M - OptEx | $0.00 | +27.5K | 27.5K | New | $0 |
| 2026-01-05 | 2025-12-31 | GERN | Spiegel Robert J. | Dir | A - Grant | $1.32 | +5,918 | 194.5K | +3% | +$7,812 | |
| 2025-10-01 | 2025-09-30 | GERN | Spiegel Robert J. | Dir | A - Grant | $1.37 | +5,702 | 188.5K | +3% | +$7,812 | |
| 2025-07-01 | 2025-06-30 | GERN | Spiegel Robert J. | Dir | A - Grant | $1.41 | +5,540 | 182.8K | +3% | +$7,811 | |
| 2025-05-13 | 2025-05-09 | GERN | LAWLIS V BRYAN | Dir | P - Purchase | $1.18 | +13.3K | 13.3K | New | +$15.7K | |
| A | 2025-04-02 | 2024-12-31 | GERN | Spiegel Robert J. | Dir | A - Grant | $3.54 | +2,206 | 172.4K | +1% | +$7,809 |
| 2025-04-02 | 2025-03-31 | GERN | Spiegel Robert J. | Dir | A - Grant | $1.59 | +4,913 | 177.3K | +3% | +$7,812 | |
| A | 2025-04-02 | 2024-09-30 | GERN | Spiegel Robert J. | Dir | A - Grant | $4.54 | +1,767 | 170.2K | +1% | +$8,022 |
| MA | 2025-04-02 | 2024-03-29+ | GERN | Spiegel Robert J. | Dir | A - Grant | $3.71 | +4,378 | 166.5K | +3% | +$16.2K |
| 2025-03-03 | 2025-02-27 | GERN | SCARLETT JOHN A | COB, Pres, CEO, Dir | P - Purchase | $1.77 | +12.5K | 12.5K | New | +$22.1K | |
| 2025-03-03 | 2025-02-27 | GERN | Samuels Scott Alan | EVP, CLO | P - Purchase | $1.61 | +15.0K | 26.7K | +128% | +$24.1K | |
| 2025-03-03 | 2025-02-27 | GERN | Ziegler James | EVP, Chief Commercial Off | P - Purchase | $1.60 | +100.0K | 100.0K | New | +$160.0K | |
| 2025-01-02 | 2024-12-31 | GERN | Spiegel Robert J. | Dir | A - Grant | $0.00 | -2,206 | 172.4K | -1% | $0 | |
| 2024-10-01 | 2024-09-30 | GERN | Spiegel Robert J. | Dir | A - Grant | $0.00 | -1,767 | 170.2K | -1% | $0 | |
| D | 2024-07-10 | 2024-07-08 | GERN | GRETHLEIN ANDREW J | EVP, COO | S - Sale+OE | $4.56 | -674.3K | 0 | -100% | -$3.08M |
| D | 2024-07-10 | 2024-07-08 | GERN | GRETHLEIN ANDREW J | EVP, COO | M - OptEx | $1.72 | +674.3K | 674.3K | New | +$1.16M |
| M | 2024-06-28 | 2024-03-29+ | GERN | Spiegel Robert J. | Dir | A - Grant | $0.00 | -4,378 | 166.5K | -3% | $0 |
| D | 2024-06-12 | 2024-06-10 | GERN | Kapur Anil | EVP, CCO, Corp Strategy | M - OptEx | $1.06 | +421.9K | 421.9K | New | +$447.2K |
| D | 2024-06-12 | 2024-06-10 | GERN | Kapur Anil | EVP, CCO, Corp Strategy | S - Sale+OE | $4.65 | -421.9K | 0 | -100% | -$1.96M |
| DM | 2024-06-12 | 2024-06-10 | GERN | Feller Faye | EVP, Chief Medical Off | M - OptEx | $1.19 | +287.9K | 20.0K | New | +$342.5K |
| D | 2024-06-12 | 2024-06-10 | GERN | Feller Faye | EVP, Chief Medical Off | S - Sale+OE | $4.63 | -287.9K | 0 | -100% | -$1.33M |
| D | 2024-06-05 | 2024-06-04 | GERN | SCARLETT JOHN A | COB, Pres, CEO, Dir | S - Sale+OE | $4.00 | -600.0K | 600.0K | -50% | -$2.40M |
| D | 2024-06-05 | 2024-06-04 | GERN | SCARLETT JOHN A | COB, Pres, CEO, Dir | M - OptEx | $2.54 | +600.0K | 600.0K | New | +$1.52M |
| DT | 2024-05-17 | 2024-05-15 | GERN | LAWLIS V BRYAN | Dir | S - Sale+OE | $3.75 | -35.0K | 0 | -100% | -$131.2K |
| DT | 2024-05-17 | 2024-05-15 | GERN | LAWLIS V BRYAN | Dir | M - OptEx | $1.94 | +35.0K | 35.0K | New | +$67.9K |
| I | 2024-01-03 | 2023-12-29 | GERN | Molineaux Susan | Dir | A - Grant | $0.00 | +6,220 | 130.5K | +5% | $0 |
| 2024-01-03 | 2023-12-29 | GERN | Aggarwal Gaurav | Dir | A - Grant | $0.00 | +1,970 | 1,970 | New | $0 | |
| 2024-01-03 | 2023-12-29 | GERN | Spiegel Robert J. | Dir | A - Grant | $0.00 | +3,406 | 164.0K | +2% | $0 | |
| 2023-10-02 | 2023-09-29 | GERN | Spiegel Robert J. | Dir | A - Grant | $0.00 | +3,390 | 160.6K | +2% | $0 | |
| I | 2023-10-02 | 2023-09-29 | GERN | Molineaux Susan | Dir | A - Grant | $0.00 | +6,191 | 124.3K | +5% | $0 |
| 2023-08-24 | 2023-08-24 | GERN | O'Farrell Elizabeth G. | Dir | P - Purchase | $2.28 | +6,607 | 7,407 | +826% | +$15.1K | |
| I | 2023-08-24 | 2023-08-24 | GERN | O'Farrell Elizabeth G. | Dir | P - Purchase | $2.28 | +6,579 | 26.2K | +33% | +$15.0K |
| I | 2023-06-30 | 2023-06-30 | GERN | Molineaux Susan | Dir | A - Grant | $0.00 | +4,088 | 118.1K | +4% | $0 |
| 2023-06-30 | 2023-06-30 | GERN | Kapur Anil | EVP, CCO, Corp Strategy | A - Grant | $2.04 | +7,567 | 60.8K | +14% | +$15.4K | |
| 2023-06-30 | 2023-06-30 | GERN | Spiegel Robert J. | Dir | A - Grant | $0.00 | +2,239 | 157.2K | +1% | $0 | |
| D | 2023-05-11 | 2023-05-11 | GERN | LAWLIS V BRYAN | Dir | S - Sale+OE | $3.00 | -35.0K | 0 | -100% | -$105.0K |
| D | 2023-05-11 | 2023-05-11 | GERN | LAWLIS V BRYAN | Dir | M - OptEx | $1.10 | +35.0K | 35.0K | New | +$38.5K |
| D | 2023-05-01 | 2023-05-01 | GERN | Molineaux Susan | Dir | S - Sale+OE | $2.48 | -35.0K | 0 | -100% | -$86.8K |
| D | 2023-05-01 | 2023-05-01 | GERN | Molineaux Susan | Dir | M - OptEx | $1.10 | +35.0K | 35.0K | New | +$38.5K |
| 2023-04-03 | 2023-03-31 | GERN | Spiegel Robert J. | Dir | A - Grant | $0.00 | +3,312 | 155.0K | +2% | $0 | |
| I | 2023-04-03 | 2023-03-31 | GERN | Molineaux Susan | Dir | A - Grant | $0.00 | +6,048 | 114.0K | +6% | $0 |
| D | 2023-02-10 | 2023-02-08 | GERN | Bloom Olivia Kyusuk | EVP, CFO | M - OptEx | $1.51 | +400.0K | 474.6K | +536% | +$604.0K |
| D | 2023-02-10 | 2023-02-08 | GERN | Bloom Olivia Kyusuk | EVP, CFO | S - Sale+OE | $3.08 | -400.0K | 74.6K | -84% | -$1.23M |
| DM | 2023-02-10 | 2023-02-09 | GERN | GRETHLEIN ANDREW J | EVP, COO | S - Sale+OE | $3.03 | -384.7K | 0 | -100% | -$1.17M |
| D | 2023-02-10 | 2023-02-09 | GERN | GRETHLEIN ANDREW J | EVP, COO | M - OptEx | $1.51 | +150.0K | 384.7K | +64% | +$226.5K |
| DM | 2023-02-10 | 2023-02-08+ | GERN | SCARLETT JOHN A | COB, Pres, CEO, Dir | S - Sale+OE | $3.04 | -1.34M | 0 | -100% | -$4.07M |
| DM | 2023-02-10 | 2023-02-08+ | GERN | SCARLETT JOHN A | COB, Pres, CEO, Dir | M - OptEx | $1.50 | +1.34M | 446.7K | New | +$2.01M |
| D | 2023-01-17 | 2023-01-13 | GERN | EASTHAM KARIN | Dir | M - OptEx | $1.10 | +35.0K | 109.0K | +47% | +$38.5K |
| 2023-01-03 | 2022-12-30 | GERN | Spiegel Robert J. | Dir | A - Grant | $0.00 | +2,970 | 151.7K | +2% | $0 | |
| 2023-01-03 | 2022-12-30 | GERN | Kapur Anil | EVP, CCO, Corp Strategy | A - Grant | $1.11 | +6,021 | 53.2K | +13% | +$6,683 | |
| 2022-10-03 | 2022-09-30 | GERN | Spiegel Robert J. | Dir | A - Grant | $0.00 | +3,071 | 148.7K | +2% | $0 | |
| DM | 2022-09-14 | 2022-09-12 | GERN | GRETHLEIN ANDREW J | EVP, COO | M - OptEx | $1.70 | +234.7K | 234.7K | New | +$399.0K |
| 2022-07-01 | 2022-06-30 | GERN | Spiegel Robert J. | Dir | A - Grant | $0.00 | +4,637 | 145.7K | +3% | $0 | |
| 2022-07-01 | 2022-06-30 | GERN | Kapur Anil | EVP, CCO, Corp Strategy | A - Grant | $1.11 | +13.1K | 47.2K | +38% | +$14.5K | |
| D | 2022-04-21 | 2022-04-20 | GERN | EASTHAM KARIN | Dir | M - OptEx | $1.41 | +35.0K | 74.0K | +90% | +$49.4K |
| 2022-04-01 | 2022-03-31 | GERN | Spiegel Robert J. | Dir | A - Grant | $0.00 | +5,284 | 141.0K | +4% | $0 | |
| 2022-01-03 | 2021-12-31 | GERN | Spiegel Robert J. | Dir | A - Grant | $0.00 | +5,891 | 135.7K | +5% | $0 | |
| 2021-10-01 | 2021-09-30 | GERN | Spiegel Robert J. | Dir | A - Grant | $0.00 | +5,246 | 129.8K | +4% | $0 | |
| 2021-07-01 | 2021-06-30 | GERN | Spiegel Robert J. | Dir | A - Grant | $0.00 | +5,097 | 124.6K | +4% | $0 |
Purchase Sale Sale after option exercise All abbreviations