ATI INC
ATI · Steel Pipe and Tubes
Latest available SEC filing: 10-Q ·
Latest disclosures
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Latest financial period: Q3 2026
Financial facts · Filed
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Form 10-Q
SEC filing · Filed
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Harris Timothy J: Form 4
Insider disclosure · Filed · Report period 21 Sep 2026
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
Institutional holders by security
Choose a share class to see reported 13F positions and quarterly changes. Different securities have separate holder histories.
- ATI · 01741R102 - Common Stock
Company details and SEC sources
CIK 0001018963 · SEC filing index. Filing dates describe disclosures, not live market data.
- Listed symbols
- ATI on NYSE
- SEC industry group
- Steel Pipe and Tubes (Office of Manufacturing)
- Business address
- 2021 Mckinney Avenue, Dallas, TX, 75201
- Incorporated in
- DE
- Fiscal year end
- 28 December
- Former names on EDGAR
- ALLEGHENY TECHNOLOGIES INC (to 22 Jun 2022), ALLEGHENY TELEDYNE INC (to 25 Aug 1999)
At a glance
Names, identifiers, and filing context for this profile.
2 identity fields