BIOLIFE SOLUTIONS INC — Director's Dealing 2025

Apr 9, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOLIFE SOLUTIONS INC (BLFS)
CIK: 0000834365
Period of Report: 2025-04-07

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
2025-04-07	Common Stock, par value $.001 per share	J	27994	—	Acquired	8735159	Indirect

Footnotes

F1: Received in exchange for shares of common stock of PanThera CryoSolutions, Inc. ("PanThera") pursuant to the acquisition of PanThera by Biolife Solutions Inc (the "Company"). Per the terms of the acquisition, the Company purchased 90% of PanTHERA common shares it did not own for $9.3 million in cash and 241,355 shares of the Company's Common Stock, par value $.001 per share. The securities are owned directly by Casdin Partners Master Fund, L.P. (the "Master Fund") and may be deemed to be indirectly beneficially owned by (i) Casdin Capital, LLC, the investment adviser to the Master Fund ("Casdin"), (ii) Casdin Partners GP, LLC, the general partner of the Master Fund (the "GP"), and (iii) Eli Casdin, the managing member of Casdin and the GP.