BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Ascent Group, LLC's Holding History (CIK: 0001913231)

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

Q4 2025

Shares 6,034 Value ($000) $1,062 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 3,948 Value ($000) $553 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 2,714 Value ($000) $341 Avg Close $124.60 Range $110.04 - $137.32

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,034	$1,062	$163.37	$138.00 - $185.17
Q3 2025	3,948	$553	$135.17	$121.05 - $150.28
Q2 2025	2,714	$341	$124.60	$110.04 - $137.32