BIOGEN INC. — Director's Dealing 2016

Oct 5, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOGEN INC. (BIIB)
CIK: 0000875045
Period of Report: 2016-10-04

Reporting Person: Karaboutis Adriana (EVP, Tech, Bus. Sol & Corp Aff)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-10-04	Common Stock	S	262	$311.94	Disposed	7579	Direct

Footnotes

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