BIOGEN INC. — Director's Dealing 2021

Feb 9, 2021

SEC Form 5 — Annual Statement of Changes in Beneficial Ownership

Issuer: BIOGEN INC. (BIIB)
CIK: 0000875045
Period of Report: 2020-12-31

Reporting Person: PANGIA ROBERT W (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-12-31	Common Stock	G	16000	—	Acquired	16000	Indirect
2020-12-31	Common Stock	G	16000	—	Disposed	4632	Direct

Footnotes

F1: Reporting person gifted shares to the Robin Drive, LLC (the "Trust"), of which his wife is Trustee, on December 31, 2020. Reporting person disclaims all beneficial ownership of the shares held by the Trust.