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Filing metadata

Accession number: 0001127602-21-031460
Form type: Form 4
Filer: ARMSTRONG WORLD INDUSTRIES INC
CIK: CIK 7431
Filed: Dec 17, 2021
Reporting period: Dec 16, 2021
Description: Insider transaction

Documents

0001127602-21-031460-index.htm

Complete submission

0001127602-21-031460.txt

directory listing

Filed by

ARMSTRONG WORLD INDUSTRIES INC