Menelas N. Pangalos - 17 Jun 2025 Form 4 Insider Report for BIOGEN INC. (BIIB)

Role
Director
Signature
/s/ Wendell Taylor, attorney-in-fact for Dr. Pangalos
Issuer symbol
BIIB
Transactions as of
17 Jun 2025
Net transactions value
$0
Form type
4
Filing time
18 Jun 2025, 17:05:17 UTC
Previous filing
12 Jun 2025
Next filing
24 Sep 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Pangalos Menelas N Director C/O BIOGEN INC. 225 BINNEY, CAMBRIDGE /s/ Wendell Taylor, attorney-in-fact for Dr. Pangalos 18 Jun 2025 0002001873

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 +2,370 $0.000000 2,370 17 Jun 2025 Common Stock 2,370 $0.000000 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The restricted stock units vest on the earlier of (i) the next annual meeting or (ii) the anniversary of the date of grant of June 17, 2025.