Live feed17:30:56·255dINSIDERFilingvia QuantisnowChief Financial Officer Wichterman Troy sold $22,791 worth of shares (833 units at $27.36), decreasing direct ownership by 0.45% to 183,353 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.BLFS· BioLife Solutions Inc.Health CareOriginal source