Live feed17:11:33·16mINSIDERFilingvia QuantisnowChief Financial Officer Wichterman Troy covered exercise/tax liability with 937 shares, decreasing direct ownership by 0.44% to 211,286 units (SEC Form 4) to satisfy tax liabilityByQuantisnow·Wall Street's wire, on your screen.BLFS· BioLife Solutions Inc.Health CareOriginal source