Susan H. Alexander - 07 Feb 2024 Form 4 Insider Report for BIOGEN INC. (BIIB)

Signature
/s/ Wendell Taylor, attorney-in-fact for Susan Alexander
Issuer symbol
BIIB
Transactions as of
07 Feb 2024
Net transactions value
-$157,396
Form type
4
Filing time
09 Feb 2024, 20:16:49 UTC
Previous filing
31 Jan 2024
Next filing
13 Feb 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BIIB Common Stock Options Exercise $0 +2,190 +4.8% $0.000000 48,101 08 Feb 2024 Direct
transaction BIIB Common Stock Tax liability $157,396 -655 -1.4% $240.30 47,446 08 Feb 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 Award $0 +5,820 $0.000000 5,820 07 Feb 2024 Common Stock 5,820 $0.000000 Direct F1
transaction BIIB Restricted Stock Unit Options Exercise $0 -2,190 -33% $0.000000 4,380 08 Feb 2024 Common Stock 2,190 $0.000000 Direct F2
* 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 one year after the grant date of 02/07/2024.
F2 The restricted stock units vest in three (3) equal annual installments commencing one year after the grant date of 2/8/2023.