BIOGEN INC. — Director's Dealing 2018

Mar 5, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOGEN INC. (BIIB)
CIK: 0000875045
Period of Report: 2018-03-01

Reporting Person: COVINO GREGORY F (VP, Chief Accounting Officer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-03-01	Restricted Stock Unit	$0	A	531	Acquired	2021-03-01	Common Stock (531)	Direct

Footnotes

F1: The restricted stock units vest in three (3) equal annual installments commencing one year after the grant date of 03/01/2018.