John F McDonald insider trades
Open-market stock purchases and sales by John F McDonald, Unknown at Geron Corp, from SEC Form 4 filings since Sep 7, 2022.
Recent trades
| Date | Stock | Trade | Value |
|---|---|---|---|
| May 20, 2026 | GERN Geron Corp | Bought (not open market) | — |
Companies traded
- GERN Geron Corp: other filings, last May 20, 2026