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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001033427-19-000008
Filing Date
2019-02-06
Accepted
2019-02-06 14:15:17
Documents
1

Document Format Files

Seq Description Document Type Size
1 allegheny13ga212312018.htm SC 13G/A 89685
  Complete submission text file 0001033427-19-000008.txt   91217
Mailing Address 100 SIX PPG PLACE PITTSBURGH PA 15222
Business Address 1000 SIX PPG PLACE PITTSBURGH PA 15222 4123942800
ALLEGHENY TECHNOLOGIES INC (Subject) CIK: 0001018963 (see all company filings)

IRS No.: 251792394 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-46715 | Film No.: 19570829
SIC: 3317 Steel Pipe & Tubes

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