<SEC-DOCUMENT>0001206774-21-001028-index.html : 20210408 <SEC-HEADER>0001206774-21-001028.hdr.sgml : 20210408 <ACCEPTANCE-DATETIME>20210408063118 ACCESSION NUMBER: 0001206774-21-001028 CONFORMED SUBMISSION TYPE: DEFA14A PUBLIC DOCUMENT COUNT: 13 FILED AS OF DATE: 20210408 DATE AS OF CHANGE: 20210408 FILER: COMPANY DATA: COMPANY CONFORMED NAME: SOUTHWESTERN ENERGY CO CENTRAL INDEX KEY: 0000007332 STANDARD INDUSTRIAL CLASSIFICATION: CRUDE PETROLEUM & NATURAL GAS [1311] IRS NUMBER: 710205415 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEFA14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-08246 FILM NUMBER: 21813729 BUSINESS ADDRESS: STREET 1: 10000 ENERGY DRIVE CITY: SPRING STATE: TX ZIP: 77389 BUSINESS PHONE: 832-796-4700 MAIL ADDRESS: STREET 1: 10000 ENERGY DRIVE CITY: SPRING STATE: TX ZIP: 77389 FORMER COMPANY: FORMER CONFORMED NAME: ARKANSAS WESTERN GAS CO DATE OF NAME CHANGE: 19790917 </SEC-HEADER> <DOCUMENT> <TYPE>DEFA14A <SEQUENCE>1 <FILENAME>swn3797081-defa14a.htm <DESCRIPTION>DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS <TEXT> Document 1 - file: swn3797081-defa14a.htm
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