BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

MBB PUBLIC MARKETS I LLC's Holding History (CIK: 0001892378)

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

Q2 2025

Shares 1,729 Value ($000) $217 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 2,150 Value ($000) $294 Avg Close $142.96 Range $128.51 - $157.09

Q3 2024

Shares 1,260 Value ($000) $244 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 10,455 Value ($000) $2,424 Avg Close $217.32 Range $189.44 - $237.54

Q4 2021

Shares 1,060 Value ($000) $254 Avg Close $257.12 Range $221.72 - $290.76

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	1,729	$217	$124.60	$110.04 - $137.32
Q1 2025	2,150	$294	$142.96	$128.51 - $157.09
Q3 2024	1,260	$244	$209.21	$188.78 - $238.00
Q2 2024	10,455	$2,424	$217.32	$189.44 - $237.54
Q4 2021	1,060	$254	$257.12	$221.72 - $290.76