BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

NORDEN GROUP LLC's Holding History (CIK: 0001990699)

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

Q3 2024

Shares 2,424 Value ($000) $470 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 1,027 Value ($000) $238 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 1,440 Value ($000) $311 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 1,150 Value ($000) $298 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 2,146 Value ($000) $552 Avg Close $267.47 Range $251.85 - $287.60

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2024	2,424	$470	$209.21	$188.78 - $238.00
Q2 2024	1,027	$238	$217.32	$189.44 - $237.54
Q1 2024	1,440	$311	$234.20	$211.02 - $268.30
Q4 2023	1,150	$298	$245.62	$220.86 - $269.43
Q3 2023	2,146	$552	$267.47	$251.85 - $287.60