BIOGEN INC. — Director's Dealing 2023

Apr 6, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOGEN INC. (BIIB)
CIK: 0000875045
Period of Report: 2023-04-04

Reporting Person: Singhal Priya (Head of Development)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-04-04	Common Stock	S	91	$277.11	Disposed	2843.0915	Direct

Footnotes

F1: Includes 91.6992 shares acquired under the Biogen Inc. employee stock purchase plan.