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LFUS research notebook

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

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Download filings CSV

SEC submissions · retrieved 2026-10-20 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 8-K · Current report

    Report date 2026-09-15 · 0000889331-26-000014 · Items 7.01

  2. 8-K · Current report

    Report date 2026-09-10 · 0000889331-26-000012 · Items 5.02,9.01

  3. 4 · Ownership change

    Report date 2026-09-03 · 0002115144-26-000012

  4. 4 · Ownership change

    Report date 2026-09-03 · 0002081396-26-000010

  5. 4 · Ownership change

    Report date 2026-09-03 · 0002055015-26-000017

  6. 4 · Ownership change

    Report date 2026-09-03 · 0002010494-26-000014

  7. 4 · Ownership change

    Report date 2026-09-03 · 0001872974-26-000021

  8. 4 · Ownership change

    Report date 2026-09-03 · 0001807380-26-000010

  9. 4 · Ownership change

    Report date 2026-09-03 · 0001722163-26-000007

  10. 4 · Ownership change

    Report date 2026-09-03 · 0001685837-26-000013

  11. 8-K · Current report

    Report date 2026-08-06 · 0000889331-26-000010 · Items 5.02,7.01,9.01

  12. 10-Q · Quarterly report

    Report date 2026-06-27 · 0001628280-26-050481

  13. 8-K · Current report

    Report date 2026-07-29 · 0001628280-26-050382 · Items 2.02,7.01,9.01

  14. 8-K · Current report

    Report date 2026-05-14 · 0001140361-26-021160 · Items 7.01,9.01

  15. 10-Q · Quarterly report

    Report date 2026-03-28 · 0001628280-26-031041

  16. 8-K · Current report

    Report date 2026-05-06 · 0001628280-26-030892 · Items 2.02,7.01,9.01

  17. 8-K · Current report

    Report date 2026-04-22 · 0000889331-26-000005 · Items 5.02,5.07,9.01

  18. 8-K · Current report

    Report date 2026-03-12 · 0001140361-26-009393 · Items 1.01,2.03,9.01

  19. DEF 14A · Proxy statement

    Report date 2026-04-22 · 0001140361-26-009256

  20. 8-K · Current report

    Report date 2026-03-04 · 0000889331-26-000002 · Items 5.02,7.01,9.01

  21. 10-K · Annual report

    Report date 2025-12-27 · 0001628280-26-009585

  22. 8-K · Current report

    Report date 2026-01-28 · 0001628280-26-003710 · Items 2.02,7.01,9.01

  23. 8-K · Current report

    Report date 2026-01-07 · 0001140361-26-000720 · Items 5.02,9.01

  24. 10-Q · Quarterly report

    Report date 2025-09-27 · 0001628280-25-047026

  25. 8-K · Current report

    Report date 2025-10-29 · 0001628280-25-046908 · Items 2.02,7.01,9.01

  26. 8-K · Current report

    Report date 2025-10-24 · 0000889331-25-000186 · Items 1.01,7.01,9.01

  27. 8-K · Current report

    Report date 2025-08-07 · 0000889331-25-000151 · Items 5.02,7.01,9.01

  28. 10-Q · Quarterly report

    Report date 2025-06-28 · 0001628280-25-036650

  29. 8-K · Current report

    Report date 2025-07-30 · 0001628280-25-036551 · Items 2.02,7.01,9.01

  30. 8-K · Current report

    Report date 2025-05-27 · 0000889331-25-000109 · Items 5.02,7.01,9.01

  31. 10-Q · Quarterly report

    Report date 2025-03-29 · 0000889331-25-000099

  32. 8-K · Current report

    Report date 2025-04-29 · 0000889331-25-000095 · Items 2.02,7.01,9.01

  33. 8-K · Current report

    Report date 2025-04-24 · 0000889331-25-000082 · Items 5.02,5.07,9.01

  34. 8-K · Current report

    Report date 2025-04-08 · 0001140361-25-012942 · Items 5.02,7.01,9.01

  35. DEF 14A · Proxy statement

    Report date 2025-04-24 · 0001140361-25-008764

  36. 10-K · Annual report

    Report date 2024-12-28 · 0000889331-25-000039

  37. 8-K · Current report

    Report date 2025-01-28 · 0000889331-25-000013 · Items 2.02,7.01,9.01

  38. 8-K · Current report

    Report date 2025-01-10 · 0001140361-25-000873 · Items 5.02,9.01

  39. SC 13G/A · Ownership disclosure

    0001897612-24-001870

  40. 10-Q · Quarterly report

    Report date 2024-09-28 · 0000889331-24-000191

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-15 · 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: 0 transaction rows0SGrant / award: 23 transaction rows23AExercise / conversion: 0 transaction rows0MTax / exercise payment: 2 transaction rows2FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

25 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-03
2026-09-08
PAEPER HOLLY BethA · Grant / award
Acquired
Common Stock1.0414.24
2026-09-03
2026-09-08
Hamed Karim WagdyA · Grant / award
Acquired
Common Stock5.0414.24
2026-09-03
2026-09-08
Ruppel DavidA · Grant / award
Acquired
Common Stock5.0414.24
2026-09-03
2026-09-08
Kim Peter Sung-JipA · Grant / award
Acquired
Common Stock5.0414.24
2026-09-03
2026-09-08
Chu MaggieA · Grant / award
Acquired
Common Stock5.0414.24
2026-09-03
2026-09-08
Khandelwal AbhishekA · Grant / award
Acquired
Common Stock15.0414.24
2026-09-03
2026-09-08
D'Angelo Anne-Marie WA · Grant / award
Acquired
Common Stock3.0414.24
2026-09-03
2026-09-08
Gorski Jeffrey GA · Grant / award
Acquired
Common Stock1.0414.24
2026-09-03
2026-09-08
Cerniglia Kristina A.A · Grant / award
Acquired
Common Stock1.0414.24
2026-09-03
2026-09-08
Henderson Gregory N.A · Grant / award
Acquired
Common Stock30.0414.24
2026-09-03
2026-09-08
Nayar DeepakA · Grant / award
Acquired
Common Stock8.0414.24
2026-09-03
2026-09-08
GREEN MARIA CA · Grant / award
Acquired
Common Stock3.0414.24
2026-09-03
2026-09-08
Kelsey Todd P.A · Grant / award
Acquired
Common Stock1.0414.24
2026-09-03
2026-09-08
CHUNG T JA · Grant / award
Acquired
Common Stock17.0414.24
2026-09-03
2026-09-08
CHUNG T JA · Grant / award
Acquired
Common Stock1.0414.24
2026-09-03
2026-09-08
NOGLOWS WILLIAM PA · Grant / award
Acquired
Common Stock6.0414.24
2026-09-03
2026-09-08
NOGLOWS WILLIAM PA · Grant / award
Acquired
Common Stock1.0414.24
2026-09-03
2026-09-08
HUNTER GORDONA · Grant / award
Acquired
Common Stock1.0414.24
2026-09-03
2026-09-08
HUNTER GORDONA · Grant / award
Acquired
Common Stock7.0414.24
2026-09-03
2026-09-08
GRILLO ANTHONYA · Grant / award
Acquired
Common Stock58.0414.24
2026-09-03
2026-09-08
GRILLO ANTHONYA · Grant / award
Acquired
Common Stock3.0414.24
2026-08-14
2026-08-17
Ruppel DavidF · Tax / exercise payment
Disposed
Common Stock168.0457.57
2026-08-11
2026-08-12
Hamed Karim WagdyF · Tax / exercise payment
Disposed
Common Stock141.0453.87
2026-08-06
2026-08-11
Kelsey Todd P.A · Grant / award
Acquired
Common Stock294.00.0
2026-07-30
2026-07-31
PAEPER HOLLY BethA · Grant / award
Acquired
Common Stock56.0442.0

Identity & relationships

Wikidata structured data · retrieved 2026-10-15 · 1663 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 · 0000889331LITTELFUSE INC /DE

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

No verified LEI join available.

GLEIF legal entity reference data · retrieved 2026-10-15 · 1199 checked identities; 0 unavailable records

Search names and former names

    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
    2024-12-28$2.19B$2.35B
    2023-12-30$2.36B$2.61B
    2022-12-31$2.51B$2.89B
    2022-01-01$2.08B$2.59B
    2020-12-26$1.45B$1.88B
    2019-12-28$1.50B$1.98B
    2018-12-29$1.72B$2.31B
    2017-12-30$1.22B$1.68B

    Bureau of Labor Statistics · retrieved 2026-10-20 · 9 selected series; gaps remain missing

    Explore the CPI history ↗