Michael R. Mcdonnell - Feb 10, 2023 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 10, 2023
Transactions value $
-$316,362
Form type
4
Date filed
2/14/2023, 08:25 PM
Previous filing
Feb 10, 2023
Next filing
Feb 22, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BIIB Common Stock Options Exercise $0 +3.26K +48.27% $0.00 10K Feb 10, 2023 Direct
transaction BIIB Common Stock Tax liability -$316K -1.11K -11.05% $286.30 8.9K Feb 10, 2023 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 -33.33% $0.00 6.51K Feb 10, 2023 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.