Live feed21:12:16·1561dINSIDERFilingvia QuantisnowSEC Form 4: Johnson David Lee covered exercise/tax liability with 956 shares, was granted 472 shares and converted options into 2,763 shares, increasing direct ownership by 5% to 45,562 units to cover taxesByQuantisnow·Wall Street's wire, on your screen.GBT· Global Blood Therapeutics Inc.Health CareOriginal source