Susan Alexander - Feb 10, 2025 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
Feb 10, 2025
Transactions value $
-$115,030
Form type
4
Date filed
2/12/2025, 05:42 PM
Previous filing
Feb 10, 2025
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BIIB Common Stock Options Exercise $0 +2.58K +7.46% $0.00 37.1K Feb 10, 2025 Direct
transaction BIIB Common Stock Tax liability -$115K -807 -2.18% $142.54 36.3K Feb 10, 2025 Direct
holding BIIB Common Stock 20.1K Feb 10, 2025 Susan H. Alexander 2021 Irrevocable Trust

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 Options Exercise $0 -2.58K -100% $0.00 0 Feb 10, 2025 Common Stock 2.58K $0.00 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 in three equal yearly installments beginning on the first anniversary of the grant date of February 10, 2022.