Live feed16:50:08·2dINSIDERFilingvia QuantisnowChief Financial Officer Wichterman Troy covered exercise/tax liability with 937 shares, decreasing direct ownership by 0.44% to 214,093 units (SEC Form 4) to cover taxesByQuantisnow·Wall Street's wire, on your screen.BLFS· BioLife Solutions Inc.Health CareOriginal source