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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0001193125-18-034180
Filing Date
2018-02-07
Accepted
2018-02-07 10:58:32
Documents
1

Document Format Files

Seq Description Document Type Size
1 SC 13G d530044dsc13g.htm SC 13G 40464
  Complete submission text file 0001193125-18-034180.txt   41826
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 | Act: 34 | File No.: 005-46715 | Film No.: 18579749
SIC: 3317 Steel Pipe & Tubes

Mailing Address
Business Address 99 SUMMER STREET BOSTON MA 02110
FRONTIER CAPITAL MANAGEMENT CO LLC (Filed by) CIK: 0001216488 (see all company filings)

IRS No.: 043492668 | State of Incorp.: DE
Type: SC 13G