Live feed17:20:18·805dINSIDERFilingvia QuantisnowVollmer Jason L was granted 56,459 shares and covered exercise/tax liability with 12,067 shares, increasing direct ownership by 26% to 215,614 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.MDU· MDU Resources Group Inc.IndustrialsOriginal source