Live feed17:56:54·57dINSIDERFilingvia QuantisnowVice President & Controller Burge James T. exercised 639 shares at a strike of $173.50 and covered exercise/tax liability with 216 shares, increasing direct ownership by 26% to 2,058 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AWI· Armstrong World Industries IncIndustrialsOriginal source