Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000007431-25-000008
Filing Date
2025-11-24
Accepted
2025-11-24 16:40:57
Documents
1
Period of Report
2025-11-21

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form4.html 4  
1 PRIMARY DOCUMENT form4.xml 4 3382
  Complete submission text file 0000007431-25-000008.txt   4926
Mailing Address 2500 COLUMBIA AVE LANCASTER PA 17603
Business Address 2500 COLUMBIA AVE LANCASTER PA 17603 7173970611
ARMSTRONG WORLD INDUSTRIES INC (Issuer) CIK: 0000007431 (see all company filings)

EIN.: 230366390 | State of Incorp.: PA | Fiscal Year End: 1231
SIC: 3089 Plastics Products, NEC
(CF Office: 08 Industrial Applications and Services)

Mailing Address QUAKER CHEMICAL CORPORATION 901 E. HECTOR STREET CONSHOHOCKEN PA 19428-2380
Business Address
Osborne William H (Reporting) CIK: 0001445187 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-02116 | Film No.: 251513672