Live feed17:16:03·44dINSIDERFilingvia QuantisnowCOO, VP, SECRETARY Frederick Douglas J covered exercise/tax liability with 36 units of Common stock $1.00 par value, decreasing direct ownership by 0.39% to 9,106 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NPK· National Presto Industries Inc.IndustrialsOriginal source