Live feed17:13:30·1589dINSIDERFilingvia QuantisnowSEC Form 4: Guardian Life Insurance Co Of America bought $1,761,820 worth of Preferred Stock (176,182 units at $10.00), increasing direct ownership by 100% to 352,364 unitsByQuantisnow·Wall Street's wire, on your screen.TYG· Tortoise Energy Infrastructure CorporationFinanceOriginal source