BIOLIFE SOLUTIONS INC — Director's Dealing 2020

Jul 2, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOLIFE SOLUTIONS INC (BLFS)
CIK: 0000834365
Period of Report: 2020-07-01

Reporting Person: Casdin Partners Master Fund, L.P. (10% Owner)
Reporting Person: Casdin Capital, LLC (10% Owner)
Reporting Person: Casdin Partners GP, LLC (10% Owner)
Reporting Person: Casdin Eli (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-07-01	Common Stock, par value $.001 per share	P	685000	$14.50	Acquired	5534524	Direct
2020-07-02	Common Stock, par value $.001 per share	P	305583	$14.50	Acquired	5840107	Direct

Footnotes

F1: The reported securities were purchased by Casdin Partners Master Fund, L.P. (the "Master Fund") in a private investment in public equity transaction with the issuer on July 1, 2020.

F2: The securities are owned directly by the Master Fund and may be deemed to be indirectly beneficially owned by (i) Casdin Capital, LLC, the investment adviser to the Master Fund, (ii) Casdin Partners GP, LLC, the general partner of the Master Fund, and (ii) Eli Casdin, the managing member of Casdin Capital, LLC and Casdin Partners GP, LLC.

F3: On July 2, 2020, the Master Fund entered into a stock purchase agreement with a director of the issuer pursuant to which the Master Fund agreed to purchase the reported securities from such director for a purchase price equal to $14.50 per common stock.