Robert J. Spiegel Geron Corp (GERN) insider trading activity
Robert J. Spiegel is Director of GERON CORP. Currently has a direct ownership of 182,844 shares of GERN, which is worth approximately $254,153. The most recent transaction as insider was on Jun 30, 2025, when has been sold 5,540 shares (Common Stock) at a price of $1.41 per share, resulting in proceeds of $7,811. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).
Shares Held (Direct Ownership)
183K
3.12%
3M change
8.57%
12M change
Total Value Held
$254,153
Robert J. Spiegel Transaction History
Also insider at
RJS
Robert J. Spiegel
Director
Buffalo, NY