Live feed16:50:19·3hINSIDERFilingvia QuantisnowPresident and CEO De Greef Roderick covered exercise/tax liability with 2,775 shares, decreasing direct ownership by 0.38% to 730,971 units (SEC Form 4) to satisfy withholding taxByQuantisnow·Wall Street's wire, on your screen.BLFS· BioLife Solutions Inc.Health CareOriginal source