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ARMSTRONG WORLD INDUSTRIES INC

For the period ended Sep 30, 2025. Filed Oct 28, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Oct 28, 2025

AWI$171.23+0.4%Stored close · as of Nov 6, 2026

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Item 6. Exhibits

The following exhibits are filed as part of this Quarterly Report on Form 10-Q:

Exhibit No.Description
31.1Certification of Chief Executive Officer required by Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act. †
31.2Certification of Chief Financial Officer required by Rule 13a-14-(a) or 15d-14(a) of the Securities Exchange Act. †
32.1Certification of Chief Executive Officer required by Rule 13a and 18 U.S.C. Section 1350. ††
32.2Certification of Chief Financial Officer required by Rule 13a and 18 U.S.C. Section 1350. ††
101.INSInline XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. †
101.SCHInline XBRL Taxonomy Extension Schema With Embedded Linkbase Documents. †
104The cover page from the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2025 has been formatted in Inline XBRL.

† Filed herewith.

†† Furnished herewith.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.