Sean Godbout - Apr 1, 2025 Form 4 Insider Report for BIOGEN INC. (BIIB)

Signature
/s/ Samuel Ntonme, attorney-in-fact for Mr. Godbout
Stock symbol
BIIB
Transactions as of
Apr 1, 2025
Transactions value $
$0
Form type
4
Date filed
4/3/2025, 04:15 PM
Previous filing
Mar 10, 2025

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding BIIB Common Stock 477 Apr 1, 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction BIIB Restricted Stock Unit Award $0 +545 $0.00 545 Apr 1, 2025 Common Stock 545 $0.00 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 166.6667 shares acquired under the Biogen Inc. employee stock purchase plan on 3/31/2025.
F2 The restricted stock units vest in three equal yearly installments beginning on the first anniversary of the grant date of April 1, 2025.