Live feed20:03:56·671dINSIDERFilingvia QuantisnowDirector Singleton J Matthew exercised 20,786 shares at a strike of $8.00 and sold $1,195,736 worth of shares (20,786 units at $57.53) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.VKTX· Viking Therapeutics Inc.Health CareOriginal source