Insider trade

10% owner sold ~$15.4M of BLFS shares in the open market

Traded May 21, 2026 · Filed May 21, 2026

Why it stands out

A big owner of BioLife Solutions sold $15.4M of BioLife Solutions shares. Nobody planned it ahead of time.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

10% ownerIndirect holding$1M+

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$15,405,000

Shares × reported transaction price

Timing vs results

14 days after results of May 7, 2026, 77 days before results of Aug 6, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

After	Stock	S&P 500	Difference
7 days	+4.0%	+1.4%	+2.6%
30 days	+4.0%	−0.2%	+4.1%
90 days	+54.4%	+2.3%	+52.1%

Past results only. Not a forecast.

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 ("Casdin Capital"), the investment adviser to the Master Fund, (ii) Casdin Partners GP, LLC ("Casdin GP"), the general partner of the Master Fund, and (iii) Eli Casdin, the managing member of Casdin Capital and Casdin GP.