Live feed17:52:28·174dINSIDERFilingvia QuantisnowDirector Mahan Jon Marshall exercised 4,500 shares at a strike of $14.43 and sold $85,810 worth of shares (4,500 units at $19.07) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.DGICB· Donegal Group Inc.FinanceOriginal source