Insider Transactions in Q4 2025 at Generation Bio Co. (GBIO)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Oct 15
2025
|
Kevin John Conway Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
18
-0.95%
|
$108
$6.71 P/Share
|
|
Oct 15
2025
|
Kevin John Conway Chief Financial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
58
+2.99%
|
-
|
|
Oct 15
2025
|
Antoinette Paone CHIEF OPERATING OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
47
-1.27%
|
$282
$6.71 P/Share
|
|
Oct 15
2025
|
Antoinette Paone CHIEF OPERATING OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
159
+4.11%
|
-
|
|
Oct 15
2025
|
Yalonda Howze CHIEF LEGAL OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
99
-4.05%
|
$594
$6.71 P/Share
|
|
Oct 15
2025
|
Yalonda Howze CHIEF LEGAL OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
334
+12.02%
|
-
|
|
Oct 15
2025
|
Geoff Mcdonough PRESIDENT AND CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
155
-0.11%
|
$930
$6.71 P/Share
|
|
Oct 15
2025
|
Geoff Mcdonough PRESIDENT AND CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
527
+0.38%
|
-
|
|
Oct 15
2025
|
Phillip Samayoa CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
34
-0.24%
|
$204
$6.71 P/Share
|
|
Oct 15
2025
|
Phillip Samayoa CHIEF SCIENTIFIC OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
114
+0.8%
|
-
|