Mailing Address 2021 MCKINNEY AVENUE DALLAS TX 75201
Business Address 2021 MCKINNEY AVENUE DALLAS TX 75201 4123942800
ATI INC CIK#: 0001018963 (see all company filings)

SIC: 3317 - STEEL PIPE & TUBES
State location: TX | State of Inc.: DE | Fiscal Year End: 1229
formerly: ALLEGHENY TECHNOLOGIES INC (filings through 2022-06-22)
formerly: ALLEGHENY TELEDYNE INC (filings through 1999-08-25)
(CF Office: 04 Manufacturing)
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Items 1 - 40  0001018963 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
ARS  Documents Annual Report to Security Holders
Acc-no: 0001193125-25-065239 (34 Act)  Size: 38 MB
2025-03-27 001-12001
25778569
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-25-065235 (34 Act)  Size: 617 KB
2025-03-27 001-12001
25778550
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001193125-25-065233 (34 Act)  Size: 27 MB
2025-03-27 001-12001
25778526
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001628280-25-007092 (34 Act)  Size: 20 MB
2025-02-21 001-12001
25651360
SCHEDULE 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001562230-25-000024 (34 Act)  Size: 7 KB
2025-02-14 005-46715
25626230
SCHEDULE 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000315066-25-000733 (34 Act)  Size: 11 KB
2025-02-12 005-46715
25612345
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001628280-25-003579 (34 Act)  Size: 1 MB
2025-02-04 001-12001
25585357
SC 13G  Documents Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000315066-24-002684 (34 Act)  Size: 8 KB
2024-11-12 005-46715
241444449
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0002012383-24-003725 (34 Act)  Size: 13 KB
2024-11-08 005-46715
241439891
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001628280-24-044066 (34 Act)  Size: 11 MB
2024-10-29 001-12001
241404819
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001628280-24-044003 (34 Act)  Size: 1 MB
2024-10-29 001-12001
241402704
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0002012383-24-001817 (34 Act)  Size: 13 KB
2024-10-23 005-46715
241389790
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000093751-24-000807 (34 Act)  Size: 56 KB
2024-10-17 005-46715
241376518
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001628280-24-035141 (34 Act)  Size: 11 MB
2024-08-06 001-12001
241178765
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001628280-24-034973 (34 Act)  Size: 1 MB
2024-08-06 001-12001
241177120
11-K  Documents Annual report of employee stock purchase, savings and similar plans
Acc-no: 0001628280-24-027174 (34 Act)  Size: 177 KB
2024-06-07 001-12001
241027735
11-K  Documents Annual report of employee stock purchase, savings and similar plans
Acc-no: 0001628280-24-027173 (34 Act)  Size: 179 KB
2024-06-07 001-12001
241027733
SD  Documents Specialized disclosure report
Acc-no: 0001193125-24-151456 (34 Act)  Size: 23 KB
2024-05-31 001-12001
241008853
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0001193125-24-142966 (34 Act)  Size: 150 KB
2024-05-20 001-12001
24965628
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001628280-24-019285 (34 Act)  Size: 8 MB
2024-04-30 001-12001
24896153
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001628280-24-019185 (34 Act)  Size: 1 MB
2024-04-30 001-12001
24894057
ARS  Documents Annual Report to Security Holders
Acc-no: 0001193125-24-080441 (34 Act)  Size: 2 MB
2024-03-28 001-12001
24798133
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-24-080436 (34 Act)  Size: 52 KB
2024-03-28 001-12001
24798106
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001193125-24-080426 (34 Act)  Size: 20 MB
2024-03-28 001-12001
24798054
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001193125-24-067620 (34 Act)  Size: 162 KB
2024-03-14 001-12001
24748671
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001193125-24-061889 (34 Act)  Size: 141 KB
2024-03-07 001-12001
24729360
S-3ASR  Documents Automatic shelf registration statement of securities of well-known seasoned issuers
Acc-no: 0001193125-24-044462 (33 Act)  Size: 1 MB
2024-02-23 333-277308
24670986
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001628280-24-006606 (34 Act)  Size: 24 MB
2024-02-23 001-12001
24670012
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001193125-24-043707 (34 Act)  Size: 165 KB
2024-02-23 001-12001
24667401
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001532155-24-000038 (34 Act)  Size: 18 KB
2024-02-14 005-46715
24636402
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001532155-24-000037 (34 Act)  Size: 18 KB
2024-02-14 005-46715
24636396
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001104659-24-020013 (34 Act)  Size: 13 KB
2024-02-13 005-46715
24627079
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001422848-24-000113 (34 Act)  Size: 18 KB
2024-02-09 005-46715
24616583
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001628280-24-002807 (34 Act)  Size: 1 MB
2024-02-01 001-12001
24585054
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000093751-24-000217 (34 Act)  Size: 8 KB
2024-01-25 005-46715
24559478
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001086364-24-001147 (34 Act)  Size: 13 KB
2024-01-22 005-46715
24548783
8-K  Documents   Interactive Data Current report, items 7.01, 8.01, and 9.01
Acc-no: 0001628280-24-001748 (34 Act)  Size: 1 MB
2024-01-19 001-12001
24543727
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001193125-24-005895 (34 Act)  Size: 248 KB
2024-01-10 001-12001
24526432
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001193125-23-285253 (34 Act)  Size: 172 KB
2023-11-29 001-12001
231453149
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001628280-23-036343 (34 Act)  Size: 11 MB
2023-11-02 001-12001
231371608