X0306 4 2017-05-01 0000702165 NORFOLK SOUTHERN CORP NSC 0001216503 BUSH WESLEY G NORTHROP GRUMMAN CORP. 2980 FAIRVIEW PARK DRIVE FALLS CHURCH VA 22042 1 Common Stock 2017-05-01 4 S 0 0.1943 117.6500 D 3389.0000 D Common Stock 3000.0000 I Held in WG&NF Bush Family Trust Denise W. Hutson via P.O.A. for Wesley G. Bush 2017-05-03