Casdin Capital, LLC - 15 Oct 2025 SCHEDULE 13D/A Report for BioLife Solutions, Inc. Common Stock, par value $0.001 per share (BLFS)

Filing Manager
Casdin Capital, LLC
Reporting Manager
Casdin Capital, LLC
Security
BioLife Solutions, Inc. Common Stock, par value $0.001 per share
Symbol
BLFS
Shares outstanding
48,041,653 shares
Disclosed Ownership
5,957,165 shares
Ownership
12.4%
Form type
SCHEDULE 13D/A
Filing time
17 Oct 2025, 20:04:16 UTC
Date of event
15 Oct 2025
Previous filing
21 Aug 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Casdin Capital, LLC 12.4% 5,957,165 0 5,957,165 By Eli Casdin /s/ Eli Casdin* Eli Casdin / Managing Member 0001534261
Casdin Partners Master Fund, L.P. 12.4% 5,957,165 0 5,957,165 By Eli Casdin /s/ Eli Casdin* Eli Casdin / Managing Member 0001534265
Casdin Partners GP, LLC 12.4% 5,957,165 0 5,957,165 By Eli Casdin /s/ Eli Casdin* Eli Casdin / Managing Member 0001534260
Eli Casdin 12.4% 5,957,165 0 5,957,165 By Eli Casdin /s/ By Eli Casdin* Eli Casdin 0001534264