<SEC-DOCUMENT>0001562230-21-000064-index.html : 20210216 <SEC-HEADER>0001562230-21-000064.hdr.sgml : 20210216 <ACCEPTANCE-DATETIME>20210216155808 ACCESSION NUMBER: 0001562230-21-000064 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20210216 DATE AS OF CHANGE: 20210216 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ARMSTRONG WORLD INDUSTRIES INC CENTRAL INDEX KEY: 0000007431 STANDARD INDUSTRIAL CLASSIFICATION: PLASTICS PRODUCTS, NEC [3089] IRS NUMBER: 230366390 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-30703 FILM NUMBER: 21637627 BUSINESS ADDRESS: STREET 1: 2500 COLUMBIA AVE CITY: LANCASTER STATE: PA ZIP: 17603 BUSINESS PHONE: 7173970611 MAIL ADDRESS: STREET 1: 2500 COLUMBIA AVE CITY: LANCASTER STATE: PA ZIP: 17603 FORMER COMPANY: FORMER CONFORMED NAME: ARMSTRONG CORK CO DATE OF NAME CHANGE: 19800611 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: Capital International Investors CENTRAL INDEX KEY: 0001562230 IRS NUMBER: 951411037 STATE OF INCORPORATION: DE FISCAL YEAR END: 0630 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 333 S. HOPE STREET CITY: LOS ANGELES STATE: CA ZIP: 90071 BUSINESS PHONE: 213-486-9200 MAIL ADDRESS: STREET 1: 333 S. HOPE STREET CITY: LOS ANGELES STATE: CA ZIP: 90071 FORMER COMPANY: FORMER CONFORMED NAME: Capital Research & Management Co - Division 3 DATE OF NAME CHANGE: 20121114 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>SEC13G_Filing.htm <DESCRIPTION>SEC SCHEDULE 13G <TEXT> Document 1 - file: SEC13G_Filing.htm
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