BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Carl P. Sherr & Co., LLC's Holding History (CIK: 0001818535)

Note: Option positions (PUT/CALL) are excluded.

Q1 2021

Shares 1,376 Value ($000) $385 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 1,182 Value ($000) $289 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 1,137 Value ($000) $323 Avg Close $278.91 Range $261.87 - $312.00

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	1,376	$385	$269.69	$238.40 - $296.38
Q4 2020	1,182	$289	$259.08	$223.25 - $363.92
Q3 2020	1,137	$323	$278.91	$261.87 - $312.00