Nicole Murphy - 02 Dec 2022 Form 4 Insider Report for BIOGEN INC. (BIIB)

Role: Head of Pharm Ops and Tech
Signature: /s/ Wendell Taylor, attorney in fact for Nicole Murphy
Issuer symbol: BIIB
Transactions as of: 02 Dec 2022
Net transactions value: -$11,657
Form type: 4
Filing time: 06 Dec 2022, 17:33:25 UTC
Previous filing: 03 Aug 2022
Next filing: 27 Jan 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BIIB	Common Stock	Options Exercise	$0	+131	+4.9%	$0.000000	2,807	02 Dec 2022	Direct
transaction	BIIB	Common Stock	Tax liability	$11,657	-39	-1.4%	$298.90	2,768	02 Dec 2022	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	BIIB	Restricted Stock Unit	Options Exercise	$0	-131	-100%	$0.000000^*	0	02 Dec 2022	Common Stock	131	$0.000000	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This award was granted to the reporting person on December 2, 2019 and vested in three equal installments on each anniversary of the grant date.