BIOGEN INC. — Director's Dealing 2020

Dec 1, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOGEN INC. (BIIB)
CIK: 0000875045
Period of Report: 2020-11-30

Reporting Person: Vounatsos Michel (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-11-30	Common Stock	P	3100	$241.3054	Acquired	34810.286	Direct

Footnotes

F1: Includes 84.965 shares acquired under the Biogen Inc. employee stock purchase plan on 3/31/2020.