Rachid Izzar - Feb 7, 2025 Form 4 Insider Report for BIOGEN INC. (BIIB)

Signature
/s/ Samuel Ntonme, attorney-in-fact for Rachid Izzar
Stock symbol
BIIB
Transactions as of
Feb 7, 2025
Transactions value $
-$164,673
Form type
4
Date filed
2/11/2025, 09:52 PM
Previous filing
Feb 10, 2025
Next filing
Feb 12, 2025

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BIIB Common Stock Options Exercise $0 +2.04K +39.43% $0.00 7.22K Feb 7, 2025 Direct F1
transaction BIIB Common Stock Tax liability -$84.8K -600 -8.31% $141.35 6.62K Feb 7, 2025 Direct
transaction BIIB Common Stock Tax liability -$79.9K -565 -8.53% $141.35 6.06K Feb 7, 2025 Direct
transaction BIIB Common Stock Options Exercise $0 +1.8K +29.72% $0.00 7.86K 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 -2.04K -49.99% $0.00 2.04K Feb 7, 2025 Common Stock 2.04K $0.00 Direct F2
transaction BIIB Restricted Stock Unit Options Exercise $0 -1.8K -33.32% $0.00 3.6K Feb 7, 2025 Common Stock 1.8K $0.00 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Total adjusted to reflect transfer of shares to the reporting person's former spouse pursuant to a Domestic Relations Order.
F2 The restricted stock units vest in three (3) equal annual installments commencing one year after the grant date of 02/08/2023.
F3 The restricted stock units vest in three (3) equal annual installments, commencing one year after the grant date of 02/07/2024.