BIOGEN INC. — Director's Dealing 2022

Jul 6, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOGEN INC. (BIIB)
CIK: 0000875045
Period of Report: 2022-07-01

Reporting Person: Izzar Rachid (Head of Alzheimer's Disease)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-07-01	Common Stock	M	504	—	Acquired	2258	Direct
2022-07-01	Common Stock	F	148	$210.63	Disposed	2110	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-07-01	Restricted Stock Unit	$0	M	504	Disposed	2024-07-01	Common Stock (504)	Direct

Footnotes

F1: This award was granted to the reporting person on July 1, 2020, and will vest in three equal installments on each anniversary of the grant date.