BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

EQUITEC PROPRIETARY MARKETS, LLC's Holding History (CIK: 0001143261)

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

Q4 2021

Shares 113 Value ($000) $27 Avg Close $257.12 Range $221.72 - $290.76

Q2 2016

Shares 100 Value ($000) $24 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 5 Value ($000) $1 Avg Close $264.15 Range $242.07 - $301.02

Q1 2015

Shares 1,200 Value ($000) $507 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 2,132 Value ($000) $724 Avg Close $323.51 Range $290.85 - $361.93

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	113	$27	$257.12	$221.72 - $290.76
Q2 2016	100	$24	$263.54	$223.02 - $292.69
Q1 2016	5	$1	$264.15	$242.07 - $301.02
Q1 2015	1,200	$507	$394.14	$334.40 - $480.18
Q4 2014	2,132	$724	$323.51	$290.85 - $361.93