BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Ocean Capital Management, LLC's Holding History (CIK: 0001731260)

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

Q4 2025

Shares 2,415 Value ($000) $425 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 2,415 Value ($000) $338 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 2,540 Value ($000) $319 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 2,540 Value ($000) $348 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 2,560 Value ($000) $391 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 2,694 Value ($000) $522 Avg Close $209.21 Range $188.78 - $238.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,415	$425	$163.37	$138.00 - $185.17
Q3 2025	2,415	$338	$135.17	$121.05 - $150.28
Q2 2025	2,540	$319	$124.60	$110.04 - $137.32
Q1 2025	2,540	$348	$142.96	$128.51 - $157.09
Q4 2024	2,560	$391	$168.67	$145.07 - $195.00
Q3 2024	2,694	$522	$209.21	$188.78 - $238.00