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KLAC research notebook

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

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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. DEF 14A · Proxy statement

    Report date 2026-11-04 · 0001193125-26-397898

  2. 4 · Ownership change

    Report date 2026-09-15 · 0001193125-26-393053

  3. 4 · Ownership change

    Report date 2026-08-13 · 0001193125-26-352187

  4. 4 · Ownership change

    Report date 2026-08-12 · 0001193125-26-349139

  5. 4 · Ownership change

    Report date 2026-08-11 · 0001193125-26-346812

  6. 4 · Ownership change

    Report date 2026-08-11 · 0001193125-26-346811

  7. 4 · Ownership change

    Report date 2026-08-10 · 0001193125-26-344581

  8. 4 · Ownership change

    Report date 2026-08-10 · 0001193125-26-344579

  9. 4 · Ownership change

    Report date 2026-08-07 · 0001193125-26-342341

  10. 8-K · Current report

    Report date 2026-08-06 · 0001193125-26-338242 · Items 8.01,9.01

  11. 10-K · Annual report

    Report date 2026-06-30 · 0000319201-26-000027

  12. 8-K · Current report

    Report date 2026-07-28 · 0000319201-26-000024 · Items 2.02,9.01

  13. 8-K · Current report

    Report date 2026-06-11 · 0001193125-26-269375 · Items 5.03,9.01

  14. 8-K · Current report

    Report date 2026-05-07 · 0001193125-26-212093 · Items 8.01,9.01

  15. 10-Q · Quarterly report

    Report date 2026-03-31 · 0000319201-26-000016

  16. 8-K · Current report

    Report date 2026-04-29 · 0000319201-26-000014 · Items 2.02,9.01

  17. 8-K · Current report

    Report date 2026-03-11 · 0001193125-26-102999 · Items 7.01,8.01

  18. 8-K · Current report

    Report date 2026-02-05 · 0001193125-26-039637 · Items 8.01,9.01

  19. 10-Q · Quarterly report

    Report date 2025-12-31 · 0000319201-26-000008

  20. 8-K · Current report

    Report date 2026-01-29 · 0000319201-26-000006 · Items 2.02,9.01

  21. 8-K · Current report

    Report date 2025-11-05 · 0001193125-25-272448 · Items 5.03,5.07,8.01,9.01

  22. 10-Q · Quarterly report

    Report date 2025-09-30 · 0000319201-25-000034

  23. 8-K · Current report

    Report date 2025-10-29 · 0000319201-25-000031 · Items 2.02,9.01

  24. DEF 14A · Proxy statement

    Report date 2025-11-05 · 0001193125-25-213294

  25. 10-K · Annual report

    Report date 2025-06-30 · 0000319201-25-000024

  26. 8-K · Current report

    Report date 2025-08-07 · 0001193125-25-175585 · Items 5.02,8.01,9.01

  27. 8-K · Current report

    Report date 2025-07-31 · 0000319201-25-000020 · Items 2.02,9.01

  28. 8-K · Current report

    Report date 2025-07-03 · 0001193125-25-156593 · Items 1.01,1.02,2.03,9.01

  29. 8-K · Current report

    Report date 2025-05-08 · 0001193125-25-115997 · Items 5.02,8.01,9.01

  30. 8-K · Current report

    Report date 2025-04-30 · 0001193125-25-108648 · Items 5.02

  31. 10-Q · Quarterly report

    Report date 2025-03-31 · 0000319201-25-000012

  32. 8-K · Current report

    Report date 2025-04-30 · 0000319201-25-000009 · Items 2.02,8.01,9.01

  33. 8-K · Current report

    Report date 2025-02-13 · 0001193125-25-026159 · Items 8.01,9.01

  34. 10-Q · Quarterly report

    Report date 2024-12-31 · 0000319201-25-000006

  35. 8-K · Current report

    Report date 2025-01-30 · 0000319201-25-000004 · Items 2.02,9.01

  36. 8-K · Current report

    Report date 2024-12-02 · 0001193125-24-269393 · Items 7.01

  37. 8-K · Current report

    Report date 2024-11-15 · 0001193125-24-259842 · Items 5.02

  38. 8-K · Current report

    Report date 2024-11-06 · 0001193125-24-254154 · Items 5.07,8.01,9.01

  39. 10-Q · Quarterly report

    Report date 2024-09-30 · 0000319201-24-000027

  40. 8-K · Current report

    Report date 2024-10-30 · 0000319201-24-000024 · Items 2.02,9.01

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: 16 transaction rows16SGrant / award: 17 transaction rows17AExercise / conversion: 0 transaction rows0MTax / exercise payment: 46 transaction rows46FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

84 matching transaction rows. Showing 1 to 50.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-15
2026-09-16
WALLACE RICHARD PS · Sale
Disposed
Common Stock72019.0171.88
2026-08-13
2026-08-14
Lorig BrianS · Sale
Disposed
Common Stock59586.0208.13
2026-08-12
2026-08-13
Higgins Bren D.S · Sale
Disposed
Common Stock31500.0209.87
2026-08-11
2026-08-12
Khan Ahmad A.S · Sale
Disposed
Common Stock33180.0198.95
2026-08-11
2026-08-12
WALLACE RICHARD PS · Sale
Disposed
Common Stock87568.0198.95
2026-08-10
2026-08-11
Kirloskar Virendra AS · Sale
Disposed
Common Stock529.0204.56
2026-08-10
2026-08-11
Wilkinson Mary BethS · Sale
Disposed
Common Stock1661.0204.56
2026-08-07
2026-08-10
WALLACE RICHARD PF · Tax / exercise payment
Disposed
Common Stock12761.89193.22
2026-08-07
2026-08-10
Lorig BrianF · Tax / exercise payment
Disposed
Common Stock2875.64193.22
2026-08-07
2026-08-10
Wilkinson Mary BethS · Sale
Disposed
Common Stock21831.0197.57
2026-08-07
2026-08-10
Wilkinson Mary BethF · Tax / exercise payment
Disposed
Common Stock1208.27193.22
2026-08-07
2026-08-10
Khan Ahmad A.F · Tax / exercise payment
Disposed
Common Stock4531.61193.22
2026-08-07
2026-08-10
Higgins Bren D.F · Tax / exercise payment
Disposed
Common Stock4531.61193.22
2026-08-07
2026-08-10
Kirloskar Virendra AF · Tax / exercise payment
Disposed
Common Stock520.59193.22
2026-08-07
2026-08-10
Kirloskar Virendra AS · Sale
Disposed
Common Stock2405.0197.57
2026-08-06
2026-08-07
Khan Ahmad A.F · Tax / exercise payment
Disposed
Common Stock21671.42192.8
2026-08-06
2026-08-07
Khan Ahmad A.A · Grant / award
Acquired
Common Stock87420.00.0
2026-08-06
2026-08-07
Khan Ahmad A.A · Grant / award
Acquired
Common Stock62475.70.0
2026-08-06
2026-08-07
Khan Ahmad A.F · Tax / exercise payment
Disposed
Common Stock30975.45192.8
2026-08-06
2026-08-07
Kirloskar Virendra AF · Tax / exercise payment
Disposed
Common Stock2364.97192.8
2026-08-06
2026-08-07
Kirloskar Virendra AA · Grant / award
Acquired
Common Stock9540.00.0
2026-08-06
2026-08-07
Lorig BrianA · Grant / award
Acquired
Common Stock39735.00.0
2026-08-06
2026-08-07
Lorig BrianF · Tax / exercise payment
Disposed
Common Stock9854.03192.8
2026-08-06
2026-08-07
Lorig BrianF · Tax / exercise payment
Disposed
Common Stock12388.7192.8
2026-08-06
2026-08-07
Lorig BrianA · Grant / award
Acquired
Common Stock24987.30.0
2026-08-06
2026-08-07
Higgins Bren D.F · Tax / exercise payment
Disposed
Common Stock30975.45192.8
2026-08-06
2026-08-07
Higgins Bren D.A · Grant / award
Acquired
Common Stock62475.70.0
2026-08-06
2026-08-07
Higgins Bren D.F · Tax / exercise payment
Disposed
Common Stock21671.42192.8
2026-08-06
2026-08-07
Higgins Bren D.A · Grant / award
Acquired
Common Stock87420.00.0
2026-08-06
2026-08-07
Wilkinson Mary BethA · Grant / award
Acquired
Common Stock24987.30.0
2026-08-06
2026-08-07
Wilkinson Mary BethF · Tax / exercise payment
Disposed
Common Stock5355.12192.8
2026-08-06
2026-08-07
Wilkinson Mary BethA · Grant / award
Acquired
Common Stock25440.00.0
2026-08-06
2026-08-07
Wilkinson Mary BethF · Tax / exercise payment
Disposed
Common Stock10519.65192.8
2026-08-06
2026-08-07
WALLACE RICHARD PF · Tax / exercise payment
Disposed
Common Stock87481.43192.8
2026-08-06
2026-08-07
WALLACE RICHARD PA · Grant / award
Acquired
Common Stock93721.00.0
2026-08-06
2026-08-07
WALLACE RICHARD PF · Tax / exercise payment
Disposed
Common Stock46466.87192.8
2026-08-06
2026-08-07
WALLACE RICHARD PA · Grant / award
Acquired
Common Stock40841.240.0
2026-08-06
2026-08-07
WALLACE RICHARD PA · Grant / award
Acquired
Common Stock352875.00.0
2026-08-05
2026-08-07
Khan Ahmad A.A · Grant / award
Acquired
Common Stock24410.850.0
2026-08-05
2026-08-07
Kirloskar Virendra AA · Grant / award
Acquired
Common Stock1549.150.0
2026-08-05
2026-08-07
Lorig BrianA · Grant / award
Acquired
Common Stock15960.940.0
2026-08-05
2026-08-07
Higgins Bren D.A · Grant / award
Acquired
Common Stock24410.850.0
2026-08-05
2026-08-07
Wilkinson Mary BethA · Grant / award
Acquired
Common Stock5069.950.0
2026-08-05
2026-08-05
Wilkinson Mary BethS · Sale
Disposed
Common Stock13802.0195.5
2026-08-05
2026-08-05
Kirloskar Virendra AS · Sale
Disposed
Common Stock4504.0195.5
2026-08-04
2026-08-04
Wilkinson Mary BethF · Tax / exercise payment
Disposed
Common Stock7527.48182.75
2026-08-04
2026-08-04
Wilkinson Mary BethF · Tax / exercise payment
Disposed
Common Stock2509.16182.75
2026-08-04
2026-08-04
Wilkinson Mary BethS · Sale
Disposed
Common Stock4295.0191.59
2026-08-04
2026-08-04
Kirloskar Virendra AF · Tax / exercise payment
Disposed
Common Stock3324.34182.75
2026-08-04
2026-08-04
Kirloskar Virendra AF · Tax / exercise payment
Disposed
Common Stock1105.63182.75

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 · 0000319201KLA CORP
KLA (China)

Showing 1 of 1 imported Wikidata subsidiary claims. Additional aliases appear below.

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

Legal Entity Identifier
549300H0BF5JCG96TJ81
GLEIF legal name
KLA CORPORATION
Entity / LEI registration status
ACTIVE / ISSUED
Reference data updated
2026-05-28T15:04:11Z

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 ↗

  • KLA Corporation · alias · wikidata
  • KLA Tencor · alias · wikidata
  • Keep Looking Ahead · alias · wikidata
  • KLA (China) · subsidiary · wikidata
  • KLA TENCOR CORP · former SEC name · 1997-09-10 to 2019-07-03
  • KLA INSTRUMENTS CORP · former SEC name · 1994-01-26 to 1997-02-11
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
2025-06-30$12.16B$12.89B
2024-06-30$9.81B$10.68B
2023-06-30$10.50B$11.80B
2022-06-30$9.21B$11.01B
2021-06-30$6.92B$8.86B
2020-06-30$5.81B$7.61B
2019-06-30$4.57B$6.08B
2018-06-30$4.04B$5.48B

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

Explore the CPI history ↗