Robin Kramer - 01 Jul 2022 Form 4 Insider Report for BIOGEN INC. (BIIB)

Role: Chief Accounting Officer
Signature: /s/ Wendell Taylor, attorney-in-fact for Robin Kramer
Issuer symbol: BIIB
Transactions as of: 01 Jul 2022
Net transactions value: -$15,587
Form type: 4
Filing time: 06 Jul 2022, 19:33:02 UTC
Previous filing: 15 Apr 2022
Next filing: 12 Dec 2022
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	+252	+14%	$0.000000	2,092	01 Jul 2022	Direct	F1
transaction	BIIB	Common Stock	Tax liability	$15,587	-74	-3.5%	$210.63	2,018	01 Jul 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	-252	-50%	$0.000000	252	01 Jul 2022	Common Stock	252	$0.000000	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Includes 102.4003 shares acquired under the Biogen Inc. employee stock purchase plan.
F2	The restricted stock units vest in three (3) equal annual installments commencing one year after the grant date of 07/01/2020.