Troy Wichterman - Mar 20, 2023 Form 4 Insider Report for BIOLIFE SOLUTIONS INC (BLFS)

Role: Chief Financial Officer
Signature: /s/ Troy Wichterman
Stock symbol: BLFS
Transactions as of: Mar 20, 2023
Transactions value $: -$211,238
Form type: 4
Date filed: 3/22/2023, 07:59 PM
Previous filing: Mar 9, 2023
Next filing: May 17, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BLFS	Common Stock	Options Exercise	$1.93K	+938	+1.21%	$2.06^*	78.2K	Mar 20, 2023	Direct
transaction	BLFS	Common Stock	Sale	-$206K	-10K	-12.79%	$20.64	68.2K	Mar 20, 2023	Direct	F1, F2
transaction	BLFS	Common Stock	Sale	-$6.77K	-310	-0.45%	$21.84	67.9K	Mar 22, 2023	Direct	F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	BLFS	Stock Option	Options Exercise	$0	-938	-100%	$0.00^*	0	Mar 20, 2023	Common Stock	938	$2.06	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The sales reported herein were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person effective as of September 15, 2022.
F2	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.47 to $20.76, 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.
F3	The sale reported herein was made to satisfy tax withholding obligations in connection with the vesting of shares of restricted stock.