Live feed18:42:43·665dINSIDERFilingvia QuantisnowChief Operating Officer Keutzer Timothy sold $2,988 worth of shares (2,213 units at $1.35), decreasing direct ownership by 0.41% to 531,837 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SPRO· Spero Therapeutics Inc.Health CareOriginal source