Live feed17:30:17·21dINSIDERFilingvia QuantisnowChief Executive Officer Rosenthal Arnon sold $172,191 worth of shares (87,216 units at $1.97), decreasing direct ownership by 4% to 2,367,206 units (SEC Form 4) to cover withholding taxByQuantisnow·Wall Street's wire, on your screen.ALEC· Alector Inc.Health CareOriginal source