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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001033427-18-000040
Filing Date
2018-08-20
Accepted
2018-08-20 09:26:15
Documents
1

Document Format Files

Seq Description Document Type Size
1 armstrong13ga307312018.htm SC 13G/A 73194
  Complete submission text file 0001033427-18-000040.txt   74727
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)

IRS No.: 230366390 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-30703 | Film No.: 181027287
SIC: 3089 Plastics Products, NEC

Mailing Address 276 POST ROAD WEST WESTPORT CT 06880-4704
Business Address 276 POST ROAD WEST WESTPORT CT 06880-4704 2033417800
IRIDIAN ASSET MANAGEMENT LLC/CT (Filed by) CIK: 0001033427 (see all company filings)

IRS No.: 061439577 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A