Live feed16:05:13·1dINSIDERFilingvia QuantisnowCFO and COO Gray Michael sold $5,203 worth of shares (853 units at $6.10), decreasing direct ownership by 3% to 28,795 units (SEC Form 4) to satisfy withholding obligationByQuantisnow·Wall Street's wire, on your screen.UPB· Upstream Bio Inc.Health CareOriginal source