R. Michael Mcdonnell - Feb 7, 2025 Form 4 Insider Report for BIOGEN INC. (BIIB)

Role
EVP, Chief Financial Officer
Signature
/s/ Samuel Ntonme, attorney-in-fact for Michael McDonnell
Stock symbol
BIIB
Transactions as of
Feb 7, 2025
Transactions value $
-$212,308
Form type
4
Date filed
2/10/2025, 06:59 PM
Previous filing
May 20, 2024
Next filing
Feb 12, 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 +2.34K +12.03% $0.00 21.7K Feb 7, 2025 Direct
transaction BIIB Common Stock Tax liability -$111K -786 -3.62% $141.35 21K Feb 7, 2025 Direct
transaction BIIB Common Stock Options Exercise $0 +2.22K +10.58% $0.00 23.2K Feb 7, 2025 Direct
transaction BIIB Common Stock Tax liability -$101K -716 -3.09% $141.35 22.5K Feb 7, 2025 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 -2.34K -50% $0.00 2.34K Feb 7, 2025 Common Stock 2.34K $0.00 Direct F1
transaction BIIB Restricted Stock Unit Options Exercise $0 -2.22K -33.32% $0.00 4.43K Feb 7, 2025 Common Stock 2.22K $0.00 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 02/8/2023.
F2 The restricted stock units vest in three (3) equal annual installments, commencing one year after the grant date of 02/07/2024.