Sean Werner - 24 Feb 2026 Form 4 Insider Report for BIOLIFE SOLUTIONS INC (BLFS)

Role: Chief Technology Officer
Signature: /s/ Sean Werner
Issuer symbol: BLFS
Transactions as of: 24 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 26 Feb 2026, 17:55:23 UTC
Previous filing: 28 Nov 2025
Next filing: 05 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Werner Sean	Chief Technology Officer	3303 MONTE VILLA PARKWAY, SUITE 310, BOTHELL	/s/ Sean Werner	26 Feb 2026	0002047541

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BLFS	Common Stock	Award		+24,116	+93%		50,043	24 Feb 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The restricted stock was granted pursuant to the BioLife Solutions 2023 Omnibus Performance Incentive Plan and vests 25% on the first anniversary of the grant date and thereafter quarterly, in 12 equal quarterly installments. The restricted stock was granted to the reporting person as part of 2026 compensation.