BIOGEN INC. — Director's Dealing 2020

Jul 6, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOGEN INC. (BIIB)
CIK: 0000875045
Period of Report: 2020-07-01

Reporting Person: Kramer Robin (VP, Chief Accounting Officer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-07-01	Restricted Stock Unit	$0	A	755	Acquired	2023-07-01	Common Stock (755)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	321.446	Direct

Footnotes

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

F2: The restricted stock units vest in three (3) equal annual installments commencing one year after the grant date of 07/01/2020.