Robin Kramer - Dec 8, 2023 Form 4 Insider Report for BIOGEN INC. (BIIB)

Role
Chief Accounting Officer
Signature
/s/ Wendell Taylor, attorney-in-fact for Robin Kramer
Stock symbol
BIIB
Transactions as of
Dec 8, 2023
Transactions value $
-$40,679
Form type
4
Date filed
12/12/2023, 05:02 PM
Previous filing
Jul 5, 2023
Next filing
Dec 26, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BIIB Common Stock Options Exercise $0 +351 +8.83% $0.00 4.32K Dec 8, 2023 Direct
transaction BIIB Common Stock Tax liability -$40.7K -170 -3.93% $239.29 4.15K Dec 8, 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 -351 -50% $0.00 351 Dec 8, 2023 Common Stock 351 $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 (3) equal annual installments commencing on the first anniversary of the grant date of 12/8/2021.