BIOGEN INC. — Director's Dealing 2017

Jul 26, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOGEN INC. (BIIB)
CIK: 0000875045
Period of Report: 2017-07-25

Reporting Person: ALEXANDER SUSAN H (EVP Chief Legal Corp Svc & Sec)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-07-25	Common Stock	S	4974	$290.01	Disposed	22258	Direct

Footnotes

F1: Sale pursuant to a trading plan intended to comply with Rule 10b5-1 of the Securities Exchange Act of 1934.