Troy Wichterman - 04 Dec 2025 Form 4 Insider Report for BIOLIFE SOLUTIONS INC (BLFS)

Role: Chief Financial Officer
Signature: /s/ Troy Wichterman
Issuer symbol: BLFS
Transactions as of: 04 Dec 2025
Net transactions value: -$771,600
Form type: 4
Filing time: 05 Dec 2025, 18:44:10 UTC
Previous filing: 28 Nov 2025
Next filing: 17 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Wichterman Troy	Chief Financial Officer	3303 MONTE VILLA PARKWAY, SUITE 310, BOTHELL	/s/ Troy Wichterman	05 Dec 2025	0001892616

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BLFS	Common Stock	Sale	$771,600	-30,000	-16%	$25.72	152,769	04 Dec 2025	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.53 to $25.84, inclusive. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.53 to $25.84, inclusive. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.