BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

MARINO, STRAM & ASSOCIATES LLC's Holding History (CIK: 0001099762)

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

Q2 2021

Shares 1,048 Value ($000) $363 Avg Close $302.94 Range $257.03 - $468.55

Q1 2019

Shares 39 Value ($000) $9 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 37 Value ($000) $11 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 37 Value ($000) $13 Avg Close $344.30 Range $288.13 - $388.67

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2021	1,048	$363	$302.94	$257.03 - $468.55
Q1 2019	39	$9	$314.89	$216.12 - $344.00
Q4 2018	37	$11	$319.14	$278.46 - $358.41
Q3 2018	37	$13	$344.30	$288.13 - $388.67