<SEC-DOCUMENT>0001225208-23-006193-index.html : 20230523 <SEC-HEADER>0001225208-23-006193.hdr.sgml : 20230523 <ACCEPTANCE-DATETIME>20230523185206 ACCESSION NUMBER: 0001225208-23-006193 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230520 FILED AS OF DATE: 20230523 DATE AS OF CHANGE: 20230523 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LOCKHART MICHAEL D CENTRAL INDEX KEY: 0001215151 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-08339 FILM NUMBER: 23950173 MAIL ADDRESS: STREET 1: C/O ARMSTRONG WORLD INDUSTRIES, STREET 2: 2500 COLUMBIA AVE., PO BOX 3001 CITY: LANCASTER STATE: PA ZIP: 17604-3001 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: NORFOLK SOUTHERN CORP CENTRAL INDEX KEY: 0000702165 STANDARD INDUSTRIAL CLASSIFICATION: RAILROADS, LINE-HAUL OPERATING [4011] IRS NUMBER: 521188014 STATE OF INCORPORATION: VA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 650 W PEACHTREE STREET NW CITY: ATLANTA STATE: GA ZIP: 30308 BUSINESS PHONE: 470-463-6807 MAIL ADDRESS: STREET 1: 650 W PEACHTREE STREET NW CITY: ATLANTA STATE: GA ZIP: 30308 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>doc4.xml <TEXT> Document 1 - file: doc4.html
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