Karen A. Foster

Chief Quality and Operations · 2 filings · Latest: Mar 23, 2026

BIOLIFE SOLUTIONS INC

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
BLFS	Karen A. Foster	Chief Quality and Operations	Mar 23, 2026	Sale	$19.17	2,577	$49.4K	108,758	Mar 31 5:19 PM
BLFS	Karen A. Foster	Chief Quality and Operations	Mar 19, 2026	Tax Withholding	$19.12	1,907	$36.5K	111,335	Mar 23 5:08 PM