Live feed12:09:58·855dINSIDERFilingvia QuantisnowMusgrave John M. exercised 560 in-the-money shares at a strike of $33.20, increasing direct ownership by 33% to 2,243 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SRV· NXG Cushing Midstream Energy FundFinanceOriginal source