BIOGEN INC. — Director's Dealing 2018

Feb 20, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOGEN INC. (BIIB)
CIK: 0000875045
Period of Report: 2018-02-15

Reporting Person: Sandrock Alfred (EVP, Chief Medical Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-02-15	Common Stock	S	1294	$298.85	Disposed	7296.3821	Direct

Footnotes

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