Live feed16:05:10·22hINSIDERFilingvia QuantisnowChief Business Officer Houghton Adam sold $4,270 worth of shares (700 units at $6.10), decreasing direct ownership by 3% to 23,601 units (SEC Form 4) (for withholding tax)ByQuantisnow·Wall Street's wire, on your screen.UPB· Upstream Bio Inc.Health CareOriginal source