Geron Insider Trades
NASDAQ: GERNHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Last 12 months
- Purchases
- 0 · $0
- Sales
- 1 · $19.12K
- Shares bought / sold
- 0 / 9.86K
- Net activity
- Net selling $19,119
Geron insider activity
Over the last 12 months, Geron insiders reported 6 transactions on SEC Form 4: 0 open-market purchases and 1 sale. Insiders bought $0 and sold $19,119 worth of stock, for net insider selling of $19,119. The largest seller was ROBERTSON MICHELLE, with $19,119 in reported sales.
The most recent filing shows Spiegel Robert J. (Director) reporting a transaction in 6,351 shares at $1.23 on Sep 30, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put GERN's ownership changes in context.
Summary generated from market data by MetaCap's automated system. Methodology
GERN insider transactions
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Sep 30, 2026 | Spiegel Robert J.Director | Award | 6,351 | $7.81K | Form 4 |
| Jun 30, 2026 | Spiegel Robert J.Director | Award | 6,103 | $7.81K | Form 4 |
| Mar 31, 2026 | Spiegel Robert J.Director | Award | 5,243 | $7.81K | Form 4 |
| Feb 18, 2026 | ROBERTSON MICHELLEEVP, CHIEF FINANCIAL OFFICER | Sale | 9,855 | $19.12K | Form 4 |
| Feb 18, 2026 | ROBERTSON MICHELLEEVP, CHIEF FINANCIAL OFFICER | Option exercise | 27,500 | — | Form 4 |
| Dec 31, 2025 | Spiegel Robert J.Director | Award | 5,918 | $7.81K | Form 4 |
| Sep 30, 2025 | Spiegel Robert J.Director | Award | 5,702 | $7.81K | Form 4 |
| Jun 30, 2025 | Spiegel Robert J.Director | Award | 5,540 | $7.81K | Form 4 |
| May 9, 2025 | LAWLIS V BRYANDirector | Buy | 13,300 | $15.67K | Form 4 |
| Mar 31, 2025 | Spiegel Robert J.Director | Award | 4,913 | $7.81K | Form 4 |
| Feb 27, 2025 | Samuels Scott AlanEVP, Chief Legal Officer | Buy | 15,000 | $24.15K | Form 4 |
| Feb 27, 2025 | Ziegler JamesEVP, Chief Commercial Officer | Buy | 100,000 | $160.00K | Form 4 |
| Feb 27, 2025 | SCARLETT JOHN AChairman, President and CEO | Buy | 12,500 | $22.06K | Form 4 |
| Dec 31, 2024 | Spiegel Robert J.Director | Award | 2,206 | — | Form 4 |
| Dec 31, 2024 | Spiegel Robert J.Director | Award | 2,206 | $7.81K | Form 4 |
| Sep 30, 2024 | Spiegel Robert J.Director | Award | 1,767 | $8.02K | Form 4 |
| Jun 28, 2024 | Spiegel Robert J.Director | Award | 1,916 | $8.12K | Form 4 |
| Mar 29, 2024 | Spiegel Robert J.Director | Award | 2,462 | $8.12K | Form 4 |
Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4