Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000102909-26-000652
Filing Date
2026-03-26
Accepted
2026-03-26 15:44:31
Documents
1
X0202

Document Format Files

Seq Description Document Type Size
1 primary_doc.html SCHEDULE 13G/A  
1 primary_doc.xml SCHEDULE 13G/A 5516
  Complete submission text file 0000102909-26-000652.txt   7261
Mailing Address 2500 COLUMBIA AVE LANCASTER PA 17603
Business Address 2500 COLUMBIA AVE LANCASTER PA 17603 7173970611
ARMSTRONG WORLD INDUSTRIES INC (Subject) CIK: 0000007431 (see all company filings)

EIN.: 230366390 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SCHEDULE 13G/A | Act: 34 | File No.: 005-30703 | Film No.: 26797751
SIC: 3089 Plastics Products, NEC
(CF Office: 08 Industrial Applications and Services)

Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600
Business Address 100 VANGUARD BLVD MALVERN PA 19355 6106691000
VANGUARD GROUP INC (Filed by) CIK: 0000102909 (see all company filings)

EIN.: 231945930 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SCHEDULE 13G/A