Live feed16:08:41·15mINSIDERFilingvia QuantisnowCEO and President Butler John P. exercised 350,000 shares at a strike of $0.63, increasing direct ownership by 10% to 3,718,564 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AKBA· Akebia Therapeutics Inc.Health CareOriginal source