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Filing metadata

Accession number: 0001127602-21-020741
Form type: Form 4
Filer: ARMSTRONG WORLD INDUSTRIES INC
CIK: CIK 7431
Filed: Jun 28, 2021
Reporting period: Jun 25, 2021
Description: Insider transaction

Documents

0001127602-21-020741-index.htm

Complete submission

0001127602-21-020741.txt

directory listing

Filed by

ARMSTRONG WORLD INDUSTRIES INC