Live feed19:00:15·1381dINSIDERFilingvia QuantisnowSEC Form 4: Choi Jung converted options into 4,971 shares and covered exercise/tax liability with 1,861 shares, increasing direct ownership by 2% to 201,038 units to satisfy withholding obligationByQuantisnow·Wall Street's wire, on your screen.GBT· Global Blood Therapeutics Inc.Health CareOriginal source