BIOLIFE SOLUTIONS INC — Director's Dealing 2025

Oct 24, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOLIFE SOLUTIONS INC (BLFS)
CIK: 0000834365
Period of Report: 2025-10-22

Reporting Person: DE GREEF RODERICK (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-22	Common Stock	S	37795	$27.30	Disposed	489998	Direct

Footnotes

F1: The sale reported herein was made pursuant to a Rule 10b5-1 (c) trading plan adopted by the reporting person effective as of 10-19-2023 to satisfy tax withholding obligations in connection with the vesting of shares of restricted stock.