Live feed16:54:30·1907dINSIDERFilingvia QuantisnowSEC Form 4: J. Barry Simon sold $510,267 worth of Common Stock (22,100 units at $23.09) and exercised 22,100 units of Common Stock at a strike of $2.00ByQuantisnow·Wall Street's wire, on your screen.NK· NantKwest, Inc.Health CareOriginal source