BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Strengthening Families & Communities, LLC's Holding History (CIK: 0001921196)

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

Q4 2025

Shares 100 Value ($000) $18 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 100 Value ($000) $14 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 100 Value ($000) $13 Avg Close $124.60 Range $110.04 - $137.32

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	100	$18	$163.37	$138.00 - $185.17
Q3 2025	100	$14	$135.17	$121.05 - $150.28
Q2 2025	100	$13	$124.60	$110.04 - $137.32