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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001193125-21-106366
Filing Date
2021-04-05
Accepted
2021-04-05 16:23:53
Documents
9

Document Format Files

Seq Description Document Type Size
1 DEFA14A d12507ddefa14a.htm DEFA14A 34651
2 GRAPHIC g12507aa.jpg GRAPHIC 5060
3 GRAPHIC g12507bb.jpg GRAPHIC 838
4 GRAPHIC g12507g09v22.jpg GRAPHIC 23608
5 GRAPHIC g12507plus.jpg GRAPHIC 851
6 GRAPHIC g12507rr.jpg GRAPHIC 5576
7 GRAPHIC g12507ss.jpg GRAPHIC 1528
8 GRAPHIC g12507tt.jpg GRAPHIC 1468
9 GRAPHIC g12507uu.jpg GRAPHIC 1388
  Complete submission text file 0001193125-21-106366.txt   92199
Mailing Address 100 SIX PPG PLACE PITTSBURGH PA 15222
Business Address 1000 SIX PPG PLACE PITTSBURGH PA 15222 4123942800
ALLEGHENY TECHNOLOGIES INC (Filer) CIK: 0001018963 (see all company filings)

IRS No.: 251792394 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-12001 | Film No.: 21805671
SIC: 3317 Steel Pipe & Tubes