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 |
|---|---|---|---|
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 28, 2026 | Oct 28, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 17, 2026 | Sep 15, 2026 |
| 8-K |
Current report
Officer or director change
|
Sep 16, 2026 | Sep 10, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Aug 11, 2026 | Aug 6, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 29, 2026 | Jul 29, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 14, 2026 | May 14, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 6, 2026 | May 6, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Apr 28, 2026 | Apr 22, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Mar 13, 2026 | Mar 12, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Mar 5, 2026 | Mar 4, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 28, 2026 | Jan 28, 2026 |
| 8-K |
Current report
Officer or director change
|
Jan 8, 2026 | Jan 7, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 29, 2025 | Oct 29, 2025 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Oct 28, 2025 | Oct 24, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Aug 7, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 30, 2025 | Jul 30, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
May 27, 2025 | May 27, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 29, 2025 | Apr 29, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Apr 28, 2025 | Apr 24, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Apr 9, 2025 | Apr 8, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 28, 2025 | Jan 28, 2025 |
| 8-K |
Current report
Officer or director change
|
Jan 13, 2025 | Jan 10, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 29, 2024 | Oct 29, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 30, 2024 | Jul 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 30, 2024 | Apr 30, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Apr 26, 2024 | Apr 25, 2024 |
| 8-K |
Current report
Officer or director change
|
Feb 1, 2024 | Jan 26, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 30, 2024 | Jan 30, 2024 |
| 8-K |
Current report
Officer or director change
|
Jan 5, 2024 | Jan 1, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 31, 2023 | Oct 31, 2023 |
| 8-K |
Current report
Officer or director change, Other events
|
Sep 28, 2023 | Sep 28, 2023 |
| 8-K |
Current report
Auditor change
|
Aug 16, 2023 | Aug 15, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 1, 2023 | Aug 1, 2023 |
| 8-K |
Current report
Officer or director change, Other events
|
May 15, 2023 | May 15, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 2, 2023 | May 2, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
Apr 28, 2023 | Apr 27, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Feb 2, 2023 | Jan 27, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 1, 2023 | Feb 1, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 1, 2022 | Nov 1, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 2, 2022 | Aug 2, 2022 |
| 8-K |
Current report
New debt, Regulation FD disclosure
|
Jul 19, 2022 | Jul 18, 2022 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 30, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Material agreement, New debt
|
May 19, 2022 | May 18, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 3, 2022 | May 3, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Apr 29, 2022 | Apr 28, 2022 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Apr 8, 2022 | Apr 7, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 1, 2022 | Feb 1, 2022 |
| 8-K |
Current report
Acquisition or sale of assets, Regulation FD disclosure
|
Nov 30, 2021 | Nov 30, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 26, 2021 | Oct 26, 2021 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Oct 20, 2021 | Oct 19, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 28, 2021 | Jul 28, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 28, 2021 | Apr 28, 2021 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Apr 23, 2021 | Apr 22, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 23, 2021 | Feb 23, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 3, 2021 | Feb 3, 2021 |
| 8-K |
Current report
Officer or director change
|
Jan 27, 2021 | Jan 21, 2021 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2020 | Oct 28, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2020 | Jul 29, 2020 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2020 | Apr 29, 2020 |
| 8-K/A |
Amended current report
Officer or director change
|
Apr 24, 2020 | Jan 24, 2020 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Apr 24, 2020 | Apr 22, 2020 |
| 8-K |
Current report
Material agreement, New debt
|
Apr 7, 2020 | Apr 3, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 26, 2020 | Feb 26, 2020 |
| 8-K |
Current report
Results of operations
|
Jan 29, 2020 | Jan 29, 2020 |
| 8-K |
Current report
Officer or director change, Other events
|
Jan 27, 2020 | Jan 24, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2019 | Oct 30, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 28, 2019 | Aug 28, 2019 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2019 | Jul 31, 2019 |
| 8-K |
Current report
Results of operations
|
Jul 17, 2019 | Jul 16, 2019 |
| 8-K |
Current report
Results of operations
|
May 1, 2019 | May 1, 2019 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Apr 29, 2019 | Apr 26, 2019 |
| 8-K |
Current report
Results of operations
|
Jan 30, 2019 | Jan 30, 2019 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jan 25, 2019 | Jan 24, 2019 |
| 8-K |
Current report
Officer or director change, Other events
|
Dec 10, 2018 | Dec 10, 2018 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2018 | Oct 31, 2018 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 1, 2018 | Aug 1, 2018 |
| 8-K |
Current report
Other events
|
May 3, 2018 | May 3, 2018 |
| 8-K |
Current report
Results of operations
|
May 2, 2018 | May 2, 2018 |
Showing 78 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.