# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001628280-25-046675
Filing Date
2025-10-28
Accepted
2025-10-28 13:41:03
Documents
88
Period of Report
2025-09-28

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | ati-20250928.htm iXBRL | 10-Q | 2357690
2 | EX-10.1 | fy2025q3exhibit101.htm | EX-10.1 | 1250638
3 | EX-10.2 | fy2025q3exhibit102.htm | EX-10.2 | 410943
4 | EX-10.3 | fy2025q3exhibit103.htm | EX-10.3 | 363072
5 | EX-10.4 | fy2025q3exhibit104.htm | EX-10.4 | 129494
6 | EX-31.1 | fy2025q3exhibit311.htm | EX-31.1 | 9494
7 | EX-31.2 | fy2025q3exhibit312.htm | EX-31.2 | 9572
8 | EX-32.1 | fy2025q3exhibit321.htm | EX-32.1 | 7916
| Complete submission text file | 0001628280-25-046675.txt |  | 14346677

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
9 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | ati-20250928.xsd | EX-101.SCH | 62124
10 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | ati-20250928_cal.xml | EX-101.CAL | 83353
11 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | ati-20250928_def.xml | EX-101.DEF | 321587
12 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | ati-20250928_lab.xml | EX-101.LAB | 765703
13 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | ati-20250928_pre.xml | EX-101.PRE | 556684
91 | EXTRACTED XBRL INSTANCE DOCUMENT | ati-20250928_htm.xml | XML | 2516696

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

EIN.: 251792394 | State of Incorp.: DE | Fiscal Year End: 1228
Type: 10-Q | Act: 34 | File No.: 001-12001 | Film No.: 251423144
SIC: 3317 Steel Pipe & Tubes
(CF Office: 04 Manufacturing)