BIOLIFE SOLUTIONS INC — Director's Dealing 2019

Nov 21, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOLIFE SOLUTIONS INC (BLFS)
CIK: 0000834365
Period of Report: 2019-11-19

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
2019-11-19	Common Stock, par value $.001 per share	P	20000	$15.1459	Acquired	2448571	Direct
2019-11-20	Common Stock, par value $.001 per share	P	20000	$15.6809	Acquired	2468571	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $14.93 to $15.26 per share, inclusive. The Reporting Persons undertake to provide to the staff of the Securities and Exchange Commission, the Issuer, or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.

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

F3: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $15.37 to $16.08 per share, inclusive. The Reporting Persons undertake to provide to the staff of the Securities and Exchange Commission, the Issuer, or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.