Insider Transactions in Q4 2025 at Biogen Inc. (BIIB)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Oct 31
2025
|
Jane Grogan Head of Research |
SELL
Payment of exercise price or tax liability
|
Direct |
337
-15.84%
|
$51,898
$154.27 P/Share
|
|
Oct 31
2025
|
Jane Grogan Head of Research |
BUY
Exercise of conversion of derivative security
|
Direct |
695
+24.62%
|
-
|
|
Oct 02
2025
|
Sean Godbout Chief Accounting Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
8
-1.59%
|
$1,240
$155.25 P/Share
|
|
Oct 02
2025
|
Sean Godbout Chief Accounting Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
26
+4.92%
|
-
|