Littelfuse Inc /DE SEC filings LFUS
Littelfuse Inc /DE has 1,001 filings in SEC EDGAR's recent list, going back to May 1, 2018. Its latest annual report, Form ARS, was filed on Mar 12, 2026 for the period ended Dec 27, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 28, 2026, covering the quarter ended Sep 26, 2026. The most recent current report (Form 8-K) was filed on Oct 28, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 26.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-8 | Employee stock plan registration | Jun 20, 2023 | — |
| S-8 | Employee stock plan registration | Aug 9, 2018 | — |
Showing 2 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Switchgear & Switchboard Apparatus (SIC 3613)
- Listed as
- LFUS (Nasdaq)
- Fiscal year ends
- December 26
- Incorporated in
- DE
- Headquarters
- Rosemont, IL
- SEC filer status
- Large accelerated filer
- SEC CIK
- 889331
Other Switchgear & Switchboard Apparatus companies
- Powell Industries Inc POWL
- Abb Ltd ABBNY
Source: SEC EDGAR filings. This is company-reported data, not investment advice.