Geoff Mcdonough Generation Bio Co. (GBIO) insider trading activity
Geoff Mcdonough is PRESIDENT AND CEO of Generation Bio Co.. Currently has a direct ownership of 136,836 shares of GBIO, which is worth approximately $853,856. The most recent transaction as insider was on Oct 15, 2025, when has been sold 155 shares (Common Stock) at a price of $6.71 per share, resulting in proceeds of $1,040. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).
Shares Held (Direct Ownership)
137K
89.97%
3M change
89.77%
12M change
Total Value Held
$853,856
GEOFF MCDONOUGH Transaction History
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GM
Geoff Mcdonough
PRESIDENT AND CEO
Cambridge, MA