Live feed17:10:17·57dINSIDERFilingvia QuantisnowChief Financial Officer Wichterman Troy sold $12,195 worth of shares (588 units at $20.74), decreasing direct ownership by 0.27% to 220,649 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.BLFS· BioLife Solutions Inc.Health CareOriginal source