Live feed20:11:47·666dINSIDERFilingvia QuantisnowDirector Singleton J Matthew exercised 16,000 shares at a strike of $3.33 and sold $995,453 worth of shares (16,000 units at $62.22) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.VKTX· Viking Therapeutics Inc.Health CareOriginal source