BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Claro Advisors Inc.'s Holding History (CIK: 0001764386)

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

Q3 2025

Shares 1,857 Value ($000) $260 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 1,902 Value ($000) $239 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 2,877 Value ($000) $394 Avg Close $142.96 Range $128.51 - $157.09

Q4 2018

Shares 227 Value ($000) $80 Avg Close $319.14 Range $278.46 - $358.41

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	1,857	$260	$135.17	$121.05 - $150.28
Q2 2025	1,902	$239	$124.60	$110.04 - $137.32
Q1 2025	2,877	$394	$142.96	$128.51 - $157.09
Q4 2018	227	$80	$319.14	$278.46 - $358.41