Live feed19:25:05·513dINSIDERFilingvia QuantisnowSVP, Chief Sci.&Tech. Officer Lowinger Timothy B converted options into 19,791 shares and sold $4,668 worth of shares (8,048 units at $0.58), increasing direct ownership by 5% to 257,673 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.MRSN· Mersana Therapeutics Inc.Health CareOriginal source