BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Zhang Financial LLC's Holding History (CIK: 0001776290)

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

Q3 2023

Shares 931 Value ($000) $245 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 1,009 Value ($000) $283 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 1,178 Value ($000) $328 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 1,101 Value ($000) $305 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 1,136 Value ($000) $304 Avg Close $212.38 Range $193.65 - $283.44

Q4 2021

Shares 1,426 Value ($000) $342 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 1,426 Value ($000) $404 Avg Close $327.75 Range $282.64 - $372.12

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	931	$245	$267.47	$251.85 - $287.60
Q2 2023	1,009	$283	$297.86	$273.39 - $319.76
Q1 2023	1,178	$328	$276.70	$254.80 - $295.90
Q4 2022	1,101	$305	$282.44	$250.31 - $311.88
Q3 2022	1,136	$304	$212.38	$193.65 - $283.44
Q4 2021	1,426	$342	$257.12	$221.72 - $290.76
Q3 2021	1,426	$404	$327.75	$282.64 - $372.12