Susan Alexander - Jan 29, 2024 Form 4 Insider Report for BIOGEN INC. (BIIB)

Role
EVP Chief Legal Officer
Signature
/s/ Wendell Taylor, attorney-in-fact for Susan Alexander
Stock symbol
BIIB
Transactions as of
Jan 29, 2024
Transactions value $
$0
Form type
4
Date filed
1/31/2024, 05:27 PM
Previous filing
Feb 22, 2023
Next filing
Feb 9, 2024

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 Performance Stock Unit Award $0 +3.42K $0.00 3.42K Jan 29, 2024 Common Stock 3.42K $0.00 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares earned upon satisfaction of certain performance conditions associated with performance stock units granted on February 18, 2021. The PSUs will vest on February 18, 2024.