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ATI research notebook

Read the disclosures. Follow the relationships. Keep the dates in view.

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Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-10-23 · 8022 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-09-21 · 0001193125-26-398695

  2. 4 · Ownership change

    Report date 2026-09-14 · 0001193125-26-393438

  3. 4 · Ownership change

    Report date 2026-09-08 · 0001193125-26-387885

  4. 4 · Ownership change

    Report date 2026-09-02 · 0001193125-26-383696

  5. 4 · Ownership change

    Report date 2026-08-31 · 0001193125-26-380514

  6. 4 · Ownership change

    Report date 2026-08-24 · 0001193125-26-368175

  7. 4 · Ownership change

    Report date 2026-08-17 · 0001193125-26-357113

  8. 10-Q · Quarterly report

    Report date 2026-06-28 · 0001628280-26-054233

  9. 8-K · Current report

    Report date 2026-08-06 · 0001628280-26-053856 · Items 2.02,9.01

  10. 4 · Ownership change

    Report date 2026-07-28 · 0001193125-26-326296

  11. 8-K · Current report

    Report date 2026-06-08 · 0001193125-26-261769 · Items 1.01,2.03,8.01,9.01

  12. 8-K · Current report

    Report date 2026-06-03 · 0001193125-26-255755 · Items 8.01,9.01

  13. 8-K · Current report

    Report date 2026-06-03 · 0001193125-26-254681 · Items 8.01,9.01

  14. 8-K · Current report

    Report date 2026-05-14 · 0001193125-26-230739 · Items 5.07,9.01

  15. 10-Q · Quarterly report

    Report date 2026-03-29 · 0001628280-26-028684

  16. 8-K · Current report

    Report date 2026-04-30 · 0001628280-26-028589 · Items 2.02,9.01

  17. DEF 14A · Proxy statement

    Report date 2026-05-14 · 0001193125-26-121340

  18. 10-K · Annual report

    Report date 2025-12-28 · 0001628280-26-010140

  19. 8-K · Current report

    Report date 2026-02-18 · 0001193125-26-058142 · Items 8.01,9.01

  20. 8-K · Current report

    Report date 2026-02-03 · 0001628280-26-004793 · Items 2.02,9.01

  21. 8-K · Current report

    Report date 2025-12-04 · 0001193125-25-310681 · Items 5.02,9.01

  22. 8-K · Current report

    Report date 2025-11-18 · 0001193125-25-285373 · Items 5.02,9.01

  23. 10-Q · Quarterly report

    Report date 2025-09-28 · 0001628280-25-046675

  24. 8-K · Current report

    Report date 2025-10-28 · 0001628280-25-046559 · Items 2.02,9.01

  25. 8-K · Current report

    Report date 2025-09-19 · 0001193125-25-217804 · Items 1.01,2.03,9.01

  26. 8-K · Current report

    Report date 2025-09-09 · 0001193125-25-199688 · Items 5.02,9.01

  27. 10-Q · Quarterly report

    Report date 2025-06-29 · 0001628280-25-036963

  28. 8-K · Current report

    Report date 2025-07-31 · 0001628280-25-036845 · Items 2.02,9.01

  29. 8-K · Current report

    Report date 2025-06-13 · 0001193125-25-143715 · Items 1.01,2.03

  30. 8-K · Current report

    Report date 2025-05-15 · 0001193125-25-123974 · Items 5.03,5.07,9.01

  31. 10-Q · Quarterly report

    Report date 2025-03-30 · 0001628280-25-021463

  32. 8-K · Current report

    Report date 2025-05-01 · 0001628280-25-021324 · Items 2.02,9.01

  33. DEF 14A · Proxy statement

    Report date 2025-05-16 · 0001193125-25-065233

  34. 10-K · Annual report

    Report date 2024-12-29 · 0001628280-25-007092

  35. 8-K · Current report

    Report date 2025-02-04 · 0001628280-25-003579 · Items 2.02,9.01

  36. SC 13G · Ownership disclosure

    0000315066-24-002684

  37. SC 13G/A · Ownership disclosure

    0002012383-24-003725

  38. 10-Q · Quarterly report

    Report date 2024-09-29 · 0001628280-24-044066

  39. 8-K · Current report

    Report date 2024-10-29 · 0001628280-24-044003 · Items 2.02,9.01

  40. SC 13G/A · Ownership disclosure

    0002012383-24-001817

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-23 · 2026 Q3: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 0 transaction rows0PSale: 22 transaction rows22SGrant / award: 0 transaction rows0AExercise / conversion: 1 transaction rows1MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

23 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-21
2026-09-23
Harris Timothy JS · Sale
Disposed
Common Stock, par value $0.10 per share9000.0191.82
2026-09-14
2026-09-16
Harris Timothy JS · Sale
Disposed
Common Stock, par value $0.10 per share16500.0193.06
2026-09-08
2026-09-10
Harris Timothy JS · Sale
Disposed
Common Stock, par value $0.10 per share16500.0207.54
2026-09-02
2026-09-04
Morehouse David JS · Sale
Disposed
Common Stock, par value $0.10 per share2485.0201.61
2026-08-31
2026-09-02
Harris Timothy JS · Sale
Disposed
Common Stock, par value $0.10 per share16500.0210.01
2026-08-24
2026-08-26
Harris Timothy JS · Sale
Disposed
Common Stock, par value $0.10 per share16500.0206.92
2026-08-17
2026-08-19
Fields Kimberly AS · Sale
Disposed
Common Stock, par value $0.10 per share4598.0232.43
2026-08-17
2026-08-19
Fields Kimberly AS · Sale
Disposed
Common Stock, par value $0.10 per share9116.0231.72
2026-08-17
2026-08-19
Fields Kimberly AS · Sale
Disposed
Common Stock, par value $0.10 per share8131.0230.66
2026-08-17
2026-08-19
Fields Kimberly AS · Sale
Disposed
Common Stock, par value $0.10 per share1000.0228.32
2026-08-17
2026-08-19
Fields Kimberly AS · Sale
Disposed
Common Stock, par value $0.10 per share2000.0229.56
2026-07-28
2026-07-30
Fields Kimberly AS · Sale
Disposed
Common Stock, par value $0.10 per share31757.0190.99
2026-07-07
2026-07-09
Fields Kimberly AS · Sale
Disposed
Common Stock, par value $0.10 per share11826.0182.66
2026-07-07
2026-07-09
Fields Kimberly AS · Sale
Disposed
Common Stock, par value $0.10 per share15908.0183.5
2026-07-07
2026-07-09
Fields Kimberly AS · Sale
Disposed
Common Stock, par value $0.10 per share4878.0184.34
2026-07-07
2026-07-09
Fields Kimberly AS · Sale
Disposed
Common Stock, par value $0.10 per share388.0185.1
2026-07-07
2026-07-09
Fields Kimberly AS · Sale
Disposed
Common Stock, par value $0.10 per share2200.0181.36
2026-07-07
2026-07-09
Fields Kimberly AS · Sale
Disposed
Common Stock, par value $0.10 per share400.0187.5
2026-07-07
2026-07-09
Fields Kimberly AS · Sale
Disposed
Common Stock, par value $0.10 per share2000.0179.25
2026-07-07
2026-07-09
Fields Kimberly AS · Sale
Disposed
Common Stock, par value $0.10 per share2000.0180.0
2026-07-07
2026-07-09
Fields Kimberly AS · Sale
Disposed
Common Stock, par value $0.10 per share200.0180.85
2026-07-07
2026-07-09
Fields Kimberly AS · Sale
Disposed
Common Stock, par value $0.10 per share200.0186.36
2026-07-01
2026-07-06
Foster James RobertM · Exercise / conversion
Disposed
Common Stock, par value $0.10 per share163.0193.82

Identity & relationships

Wikidata structured data · retrieved 2026-10-23 · 1658 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

SEC issuer · 0001018963ATI INC

No parent relationship is available in this import; this is not proof of independence.

Legal Entity Identifier
ZW1LRE7C3H17O2ZN9B45
GLEIF legal name
ATI INC.
Entity / LEI registration status
ACTIVE / ISSUED
Reference data updated
2026-09-16T08:23:30Z

direct-parent: no parent LEI supplied

ultimate-parent: no parent LEI supplied

GLEIF legal entity reference data · retrieved 2026-10-23 · 1197 checked identities; 0 unavailable records

Search names and former names

View Wikidata identity and references ↗

  • Allegheny Technologies · alias · wikidata
  • ATI · alias · wikidata
  • Allegheny Technologies Incorporated · alias · wikidata
  • ATI Metals · alias · wikidata
  • ALLEGHENY TECHNOLOGIES INC · former SEC name · 1999-12-13 to 2022-06-22
  • ALLEGHENY TELEDYNE INC · former SEC name · 1996-07-17 to 1999-08-25
Explore headquarters map ↗

Revenue in constant purchasing power

USD revenue expressed in 2026-09 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

Year endedReported USD revenueCPI-adjusted USD revenue
2024-12-29$4.36B$4.69B
2023-12-31$4.17B$4.61B
2023-01-01$3.84B$4.41B
2022-01-02$2.80B$3.48B
2020-12-31$2.98B$3.88B
2019-12-31$4.12B$5.43B
2018-12-31$4.05B$5.43B
2017-12-31$3.53B$4.85B

Bureau of Labor Statistics · retrieved 2026-10-23 · 9 selected series; gaps remain missing

Explore the CPI history ↗