Live feed16:05:15·164dINSIDERFilingvia QuantisnowEVP,Sales,MktDev&Supply Chain Frost Bert A covered exercise/tax liability with 1,496 shares, decreasing direct ownership by 2% to 88,680 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.CF· CF Industries Holdings Inc.IndustrialsOriginal source