Michael R. Mcdonnell - Feb 9, 2024 Form 4 Insider Report for BIOGEN INC. (BIIB)

Role
EVP, Chief Financial Officer
Signature
/s/ Wendell Taylor, attorney-in-fact for Michael R. McDonnell
Stock symbol
BIIB
Transactions as of
Feb 9, 2024
Transactions value $
-$344,842
Form type
4
Date filed
2/13/2024, 06:03 PM
Previous filing
Feb 9, 2024
Next filing
Feb 21, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BIIB Common Stock Options Exercise $0 +3.26K +22.78% $0.00 17.6K Feb 9, 2024 Direct
transaction BIIB Common Stock Tax liability -$345K -1.43K -8.15% $240.98 16.1K Feb 9, 2024 Direct

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 -3.26K -50% $0.00 3.26K Feb 9, 2024 Common Stock 3.26K $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.