BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Zullo Investment Group, Inc.'s Holding History (CIK: 0001909760)

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

Q4 2022

Shares 301 Value ($000) $83 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 301 Value ($000) $80 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 301 Value ($000) $61 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 390 Value ($000) $82 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 398 Value ($000) $95 Avg Close $257.12 Range $221.72 - $290.76

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2022	301	$83	$282.44	$250.31 - $311.88
Q3 2022	301	$80	$212.38	$193.65 - $283.44
Q2 2022	301	$61	$204.43	$187.16 - $225.50
Q1 2022	390	$82	$217.46	$192.67 - $249.00
Q4 2021	398	$95	$257.12	$221.72 - $290.76