Casdin Partners Master Fund, L.P. sold BLFS
May 19, 2026 · Form 4 insider transaction
Casdin Partners Master Fund, L.P. sold 300,000 shares of BioLife Solutions, Inc. at $22.65 per share, a transaction worth $6.79M. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
300,000
Price
$22.65
Total value
$6.79M
Role—
SecurityCommon Stock, par value $0.001 per share
Transaction codeS: Open-market sale
Transaction dateMay 19, 2026
Filing dateMay 21, 2026
Shares owned after5,657,165
OwnershipIndirect
10b5-1 planNo
AmendedNo
Footnotes
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.