ARMSTRONG WORLD INDUSTRIES INC

Q: Jun 30 2026

Q: Mar 31 2026

FY: Dec 31 2025

Q: Sep 30 2025

Q: Jun 30 2025

Q: Mar 31 2025

FY: Dec 31 2024

Q: Sep 30 2024

Q: Jun 30 2024

Q: Mar 31 2024

FY: Dec 31 2023

Q: Sep 30 2023

Q: Jun 30 2023

Q: Mar 31 2023

FY: Dec 31 2022

Q: Sep 30 2022

Q: Jun 30 2022

Q: Mar 31 2022

FY: Dec 31 2021

Q: Sep 30 2021

Regulation FD Disclosure

Other Events

Results of Operations and Financial Condition

Other Events

Submission of Matters to a Vote of Security Holders

Regulation FD Disclosure

Results of Operations and Financial Condition

Other Events

Regulation FD Disclosure

Results of Operations and Financial Condition

Other Events

Other Events

Other Events

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Entry into a Material Definitive Agreement

Regulation FD Disclosure

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Other Events

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Automatic Shelf Registration

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Automatic Shelf Registration

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Automatic Shelf Registration

Free Writing Prospectus

Free Writing Prospectus

Automatic Shelf Registration

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration of Securities on Exchange

Post Effective Amendment to S-8

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933

Registration of Securities on Exchange

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Kozak Jennifer Ott

Kozak Jennifer Ott

Pitre Kathleen

Holder Richard D

HOLLERAN KEVIN

Loughran Barbara

Osborne William H

Shurts Wayne

TEMPLIN ROY W

Capital International Investors

Grizzle Victor

VANGUARD CAPITAL MANAGEMENT LLC

VANGUARD PORTFOLIO MANAGEMENT LLC

Crager Jill A.

Burge James T.

Calzaretta Christopher P.

Grizzle Victor

Hershey Mark A

Winters Michael Carl

Cicali Jessica Marie

Specialized Disclosure Report

Annual Report Scanned (Paper)

Specialized Disclosure Report

Annual Report Scanned (Paper)

Specialized Disclosure Report

Annual Report Scanned (Paper)

Specialized Disclosure Report

Annual Report Scanned (Paper)

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Specialized Disclosure Report

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Specialized Disclosure Report

Correspondence with the SEC

Letter from the SEC