Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001418812-14-000040
Filing Date
2014-07-31
Accepted
2014-07-31 19:00:05
Documents
1
Period of Report
2014-07-28

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT primary_doc.html 3  
1 PRIMARY DOCUMENT primary_doc.xml 3 9721
  Complete submission text file 0001418812-14-000040.txt   14416
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

Mailing Address ONE LETTERMAN DRIVE BUILDING D, 4TH FLOOR SAN FRANCISCO CA 94129
Business Address ONE LETTERMAN DRIVE BUILDING D, 4TH FLOOR SAN FRANCISCO CA 94129 415-362-3700
ValueAct Capital Management, L.P. (Reporting) CIK: 0001351069 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-02116 | Film No.: 141007636

Mailing Address ONE LETTERMAN DRIVE BUILDING D, 4TH FLOOR SAN FRANCISCO CA 94129
Business Address ONE LETTERMAN DRIVE BUILDING D, 4TH FLOOR SAN FRANCISCO CA 94129 415-362-3700
ValueAct Capital Management, LLC (Reporting) CIK: 0001351073 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-02116 | Film No.: 141007635

Mailing Address ONE LETTERMAN DRIVE BUILDING D, 4TH FLOOR SAN FRANCISCO CA 94129
Business Address ONE LETTERMAN DRIVE BUILDING D, 4TH FLOOR SAN FRANCISCO CA 94129 415-362-3700
VA Partners I, LLC (Reporting) CIK: 0001418812 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-02116 | Film No.: 141007637

Mailing Address ONE LETTERMAN DRIVE BUILDING D, 4TH FLOOR SAN FRANCISCO CA 94129
Business Address ONE LETTERMAN DRIVE BUILDING D, 4TH FLOOR SAN FRANCISCO CA 94129 415-362-3700
ValueAct Holdings GP, LLC (Reporting) CIK: 0001418813 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-02116 | Film No.: 141007634

Mailing Address ONE LETTERMAN DRIVE BUILDING D, 4TH FLOOR SAN FRANCISCO CA 94129
Business Address ONE LETTERMAN DRIVE BUILDING D, 4TH FLOOR SAN FRANCISCO CA 94129 415-362-3700
ValueAct Holdings, L.P. (Reporting) CIK: 0001418814 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-02116 | Film No.: 141007639

Mailing Address ONE LETTERMAN DRIVE BUILDING D, 4TH FLOOR SAN FRANCISCO CA 94129
Business Address ONE LETTERMAN DRIVE BUILDING D, 4TH FLOOR SAN FRANCISCO CA 94129 415-362-3700
ValueAct Capital Master Fund, L.P. (Reporting) CIK: 0001464912 (see all company filings)

State of Incorp.: D8 | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-02116 | Film No.: 141007638