04/05/2024 3:25 PM | Armstrong World Industries (Issuer) Burge James T. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
04/05/2024 3:11 PM | Armstrong World Industries (Issuer) Calzaretta Christopher P. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
04/05/2024 3:17 PM | Armstrong World Industries (Issuer) Hershey Mark A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
04/05/2024 3:21 PM | Armstrong World Industries (Issuer) Crager Jill A. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/26/2024 3:37 PM | Armstrong World Industries (Issuer) Burge James T. (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/22/2024 3:46 PM | Armstrong World Industries (Issuer) Grizzle Victor (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/20/2024 6:01 AM | Armstrong World Industries (Filer)
| Form 10-K Annual report pursuant to Section 13 or 15(d) | |
|
02/20/2024 5:30 AM | Armstrong World Industries (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
02/14/2024 8:40 AM | Armstrong World Industries (Subject) LONDON CO OF VIRGINIA (Filed by)
| Form SC 13G/A | |
01/10/2024 9:16 AM | Armstrong World Industries (Subject) VANGUARD GROUP INC (Filed by)
| Form SC 13G/A | |
01/08/2024 3:35 PM | Armstrong World Industries (Subject) BlackRock Inc. (Filed by)
| Form SC 13G | |
12/29/2023 3:32 PM | Armstrong World Industries (Issuer) Grizzle Victor (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/28/2023 9:13 AM | Armstrong World Industries (Subject) Grizzle Victor (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
11/07/2023 8:15 AM | Armstrong World Industries (Filer)
| Form 8-K/A | |
11/06/2023 3:30 PM | Armstrong World Industries (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
10/24/2023 6:00 AM | Armstrong World Industries (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
10/24/2023 5:07 AM | Armstrong World Industries (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
10/18/2023 3:30 PM | Armstrong World Industries (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
07/25/2023 6:02 AM | Armstrong World Industries (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
07/25/2023 5:06 AM | Armstrong World Industries (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
07/24/2023 6:31 AM | Armstrong World Industries (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
07/19/2023 3:30 PM | Armstrong World Industries (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
06/20/2023 4:03 PM | Armstrong World Industries (Issuer) Shurts Wayne (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/20/2023 4:07 PM | Armstrong World Industries (Issuer) Thomas Cherryl T (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/20/2023 4:11 PM | Armstrong World Industries (Issuer) TEMPLIN ROY W (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/20/2023 3:50 PM | Armstrong World Industries (Issuer) Holder Richard D (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/20/2023 3:52 PM | Armstrong World Industries (Issuer) Loughran Barbara (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/20/2023 3:54 PM | Armstrong World Industries (Issuer) Melville James Clinton (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/20/2023 3:30 PM | Armstrong World Industries (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
05/30/2023 3:30 PM | Armstrong World Industries (Filer)
| Form SD Specialized Disclosure Report | |
05/02/2023 5:31 AM | Armstrong World Industries (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
04/25/2023 3:32 PM | Armstrong World Industries (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
04/25/2023 6:00 AM | Armstrong World Industries (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
04/25/2023 5:05 AM | Armstrong World Industries (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
04/19/2023 3:17 PM | Armstrong World Industries (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |