SCHEDULE 13D/A

BioLife Solutions Inc

Common Stock, $0.001 par value · CUSIP: 09062W204

Event date: 2025-04-07

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Casdin Capital, LLCReported CIK 0001534261

  Shares: 8,735,159.00 · Class: 18.5%

• Casdin Partners Master Fund, L.P.

  Shares: 8,735,159.00 · Class: 18.5%

• Casdin Partners GP, LLC

  Shares: 8,735,159.00 · Class: 18.5%

• Eli Casdin

  Shares: 8,735,159.00 · Class: 18.5%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.