Bel Fuse Inc /NJ SEC filings BELFB
Bel Fuse Inc /NJ has 1,003 filings in SEC EDGAR's recent list, going back to Feb 2, 2001. Its latest annual report, Form ARS, was filed on Apr 10, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 3, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 28, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 3, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2026 | Oct 28, 2026 |
| S-8 | Employee stock plan registration | Sep 1, 2026 | — |
| 10-Q | Quarterly report | Aug 4, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2026 | Jul 29, 2026 |
| 8-K |
Current report
Officer or director change
|
Jul 2, 2026 | Jul 1, 2026 |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2026 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 28, 2026 | May 22, 2026 |
| 424B5 | Prospectus supplement | May 14, 2026 | — |
| 8-K |
Current report
Material agreement, Other events
|
May 14, 2026 | May 12, 2026 |
| POSASR | Amendment no. 1 form s-3asr | May 13, 2026 | — |
| 424B5 | Prospectus supplement | May 13, 2026 | — |
| S-3ASR | Automatic shelf registration | May 12, 2026 | — |
| 8-K |
Current report
Other events
|
May 12, 2026 | Dec 31, 2025 |
| 10-Q | Quarterly report | May 5, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2026 | Apr 29, 2026 |
| DEFA14A | Additional proxy material | Apr 17, 2026 | — |
| ARS | Annual report to shareholders | Apr 10, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 10, 2026 | — |
| DEF 14A | Proxy statement | Apr 10, 2026 | May 26, 2026 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Apr 6, 2026 | Mar 31, 2026 |
| 8-K/A |
Amended current report
Auditor change
|
Feb 24, 2026 | Dec 4, 2025 |
| 10-K | Annual report | Feb 24, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 17, 2026 | Feb 17, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure, Other events
|
Jan 15, 2026 | Jan 12, 2026 |
| 8-K |
Current report
Auditor change
|
Dec 10, 2025 | Dec 4, 2025 |
| 8-K |
Current report
Impairment, Regulation FD disclosure
|
Dec 3, 2025 | Nov 26, 2025 |
| 10-Q | Quarterly report | Nov 4, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2025 | Oct 29, 2025 |
| 10-Q | Quarterly report | Jul 31, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 24, 2025 | Jul 24, 2025 |
| 8-K |
Current report
Officer or director change
|
Jul 3, 2025 | Jun 30, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2025 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 28, 2025 | May 27, 2025 |
| 8-K |
Current report
Officer or director change
|
May 21, 2025 | May 20, 2025 |
| 8-K |
Current report
New debt
|
May 6, 2025 | May 2, 2025 |
| 10-Q | Quarterly report | May 1, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 24, 2025 | Apr 24, 2025 |
| ARS | Annual report to shareholders | Apr 11, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 11, 2025 | — |
| DEF 14A | Proxy statement | Apr 11, 2025 | May 27, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 18, 2025 | Mar 12, 2025 |
| 10-K | Annual report | Feb 28, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Feb 18, 2025 | Feb 18, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 7, 2025 | Feb 3, 2025 |
| 8-K/A | Amended current report | Jan 29, 2025 | Nov 14, 2024 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, New debt, Regulation FD disclosure
|
Nov 20, 2024 | Nov 14, 2024 |
| 10-Q | Quarterly report | Oct 29, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 23, 2024 | Oct 23, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 24, 2024 | Sep 18, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Sep 19, 2024 | Sep 18, 2024 |
| 8-K | Current report | Aug 6, 2024 | Aug 3, 2024 |
| 10-Q | Quarterly report | Jul 31, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 24, 2024 | Jul 24, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 2, 2024 | Jul 1, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2024 | — |
| 8-K |
Current report
Shareholder vote results
|
May 14, 2024 | May 14, 2024 |
| 10-Q | Quarterly report | Apr 30, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Apr 25, 2024 | Apr 25, 2024 |
| DEFA14A | Additional proxy material | Apr 1, 2024 | — |
| DEF 14A | Proxy statement | Apr 1, 2024 | May 14, 2024 |
| ARS | Annual report to shareholders | Apr 1, 2024 | Dec 31, 2023 |
| 10-K | Annual report | Mar 11, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Mar 7, 2024 | — |
| 8-K |
Current report
Officer or director change, Other events
|
Mar 7, 2024 | Mar 1, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 21, 2024 | Feb 21, 2024 |
| 8-K |
Current report
Other events
|
Jan 17, 2024 | Jan 16, 2024 |
| 10-Q | Quarterly report | Nov 3, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations, Bylaw or fiscal year change
|
Oct 25, 2023 | Oct 25, 2023 |
| 10-Q | Quarterly report | Aug 4, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Jul 26, 2023 | Jul 25, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 26, 2023 | Jun 26, 2023 |
| EFFECT | Filing | Jun 9, 2023 | — |
| CORRESP | Letter to the SEC | Jun 7, 2023 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2023 | — |
| 8-K |
Current report
Shareholder vote results
|
May 24, 2023 | May 23, 2023 |
| UPLOAD | Letter from the SEC | May 16, 2023 | — |
| S-3 | Shelf registration | May 10, 2023 | — |
| 10-Q | Quarterly report | May 5, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
Apr 27, 2023 | Apr 26, 2023 |
| DEFA14A | Additional proxy material | Apr 10, 2023 | — |
| DEF 14A | Proxy statement | Apr 10, 2023 | May 23, 2023 |
| ARS | Annual report to shareholders | Apr 10, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Officer or director change
|
Apr 4, 2023 | Mar 29, 2023 |
| 10-K | Annual report | Mar 10, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 22, 2023 | Feb 22, 2023 |
| 8-K |
Current report
Other events
|
Jan 4, 2023 | Jan 1, 2023 |
| 10-Q | Quarterly report | Nov 4, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Oct 26, 2022 | Oct 26, 2022 |
| 10-Q | Quarterly report | Aug 5, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Officer or director change
|
Aug 1, 2022 | Jul 27, 2022 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2022 | Jul 27, 2022 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2022 | — |
| 8-K |
Current report
Shareholder vote results
|
May 24, 2022 | May 24, 2022 |
| 10-Q | Quarterly report | May 6, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
Apr 27, 2022 | Apr 27, 2022 |
| DEFA14A | Additional proxy material | Apr 14, 2022 | — |
| DEF 14A | Proxy statement | Apr 14, 2022 | May 24, 2022 |
| 10-K | Annual report | Mar 14, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2022 | Feb 24, 2022 |
| 8-K |
Current report
New debt
|
Dec 10, 2021 | Dec 6, 2021 |
| 10-Q | Quarterly report | Nov 5, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Oct 29, 2021 | Oct 28, 2021 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 9, 2021 | Sep 2, 2021 |
| 10-Q | Quarterly report | Aug 6, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Officer or director change
|
Jul 30, 2021 | Jul 29, 2021 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2021 | Jul 30, 2021 |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2021 | — |
| 8-K |
Current report
Shareholder vote results
|
May 20, 2021 | May 18, 2021 |
| 10-Q | Quarterly report | May 10, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 3, 2021 | May 3, 2021 |
| DEF 14A | Proxy statement | Apr 8, 2021 | May 18, 2021 |
| 8-K/A |
Amended current report
Auditor change
|
Mar 12, 2021 | Feb 16, 2021 |
| 10-K | Annual report | Mar 12, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Auditor change
|
Feb 19, 2021 | Feb 16, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 18, 2021 | Feb 18, 2021 |
| 8-K |
Current report
Officer or director change
|
Jan 5, 2021 | Jan 5, 2021 |
| 10-Q | Quarterly report | Nov 6, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Other events
|
Nov 4, 2020 | Oct 30, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2020 | Oct 30, 2020 |
| 10-Q | Quarterly report | Aug 7, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2020 | Jul 31, 2020 |
| EFFECT | Filing | Jun 26, 2020 | — |
| CORRESP | Letter to the SEC | Jun 23, 2020 | — |
| UPLOAD | Letter from the SEC | Jun 22, 2020 | — |
| S-8 | Employee stock plan registration | Jun 18, 2020 | — |
| S-3 | Shelf registration | Jun 15, 2020 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 12, 2020 | Jun 10, 2020 |
| UPLOAD | Letter from the SEC | Jun 11, 2020 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2020 | — |
| DEFA14A | Additional proxy material | May 26, 2020 | — |
| CORRESP | Letter to the SEC | May 20, 2020 | — |
| 8-K |
Current report
Shareholder vote results, Other events
|
May 20, 2020 | May 19, 2020 |
| DEFA14A | Additional proxy material | May 15, 2020 | — |
| 10-Q | Quarterly report | May 8, 2020 | Mar 31, 2020 |
| DEFA14A | Additional proxy material | May 8, 2020 | — |
| UPLOAD | Letter from the SEC | May 7, 2020 | — |
| 8-K |
Current report
Results of operations
|
May 1, 2020 | May 1, 2020 |
| DEF 14A | Proxy statement | Apr 9, 2020 | May 19, 2020 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Apr 2, 2020 | Mar 27, 2020 |
| 10-K | Annual report | Mar 25, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Other events
|
Mar 16, 2020 | Mar 16, 2020 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Feb 20, 2020 | Feb 19, 2020 |
| 8-K |
Current report
Material agreement, New debt
|
Feb 18, 2020 | Feb 18, 2020 |
| 8-K/A |
Amended current report
Acquisition or sale of assets
|
Feb 14, 2020 | Dec 3, 2019 |
| 8-K |
Current report
Acquisition or sale of assets, New debt
|
Dec 9, 2019 | Dec 3, 2019 |
| 8-K |
Current report
Material agreement
|
Nov 14, 2019 | Nov 11, 2019 |
| 10-Q | Quarterly report | Nov 12, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2019 | Oct 30, 2019 |
| 10-Q | Quarterly report | Aug 6, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2019 | Aug 1, 2019 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2019 | — |
| 8-K |
Current report
Shareholder vote results
|
May 22, 2019 | May 21, 2019 |
| 10-Q | Quarterly report | May 9, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Results of operations
|
May 2, 2019 | May 2, 2019 |
| DEF 14A | Proxy statement | Apr 11, 2019 | May 21, 2019 |
| 10-K | Annual report | Mar 8, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations
|
Feb 21, 2019 | Feb 21, 2019 |
| 8-K |
Current report
Results of operations
|
Jan 15, 2019 | Jan 15, 2019 |
| 10-Q | Quarterly report | Nov 7, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2018 | Nov 1, 2018 |
| 8-K |
Current report
Other events
|
Aug 16, 2018 | Aug 16, 2018 |
| 10-Q | Quarterly report | Aug 7, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2018 | Aug 2, 2018 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2018 | — |
| 8-K |
Current report
Shareholder vote results
|
May 22, 2018 | May 22, 2018 |
| 10-Q | Quarterly report | May 10, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Results of operations
|
May 3, 2018 | May 3, 2018 |
| DEF 14A | Proxy statement | Apr 12, 2018 | May 22, 2018 |
| 8-K |
Current report
Other events
|
Mar 16, 2018 | Mar 14, 2018 |
| 10-K | Annual report | Mar 9, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Results of operations
|
Feb 22, 2018 | Feb 22, 2018 |
| 8-K |
Current report
Results of operations
|
Jan 17, 2018 | Jan 17, 2018 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 15, 2017 | Dec 11, 2017 |
| 10-Q | Quarterly report | Nov 6, 2017 | Sep 30, 2017 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2017 | Nov 3, 2017 |
| 8-K |
Current report
Other events
|
Sep 13, 2017 | Sep 12, 2017 |
| 10-Q | Quarterly report | Aug 4, 2017 | Jun 30, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2017 | Aug 3, 2017 |
| EFFECT | Filing | Jun 16, 2017 | — |
| CORRESP | Letter to the SEC | Jun 14, 2017 | — |
| UPLOAD | Letter from the SEC | Jun 14, 2017 | — |
| S-3 | Shelf registration | Jun 12, 2017 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2017 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 24, 2017 | May 23, 2017 |
| 8-K/A |
Amended current report
Officer or director change
|
May 8, 2017 | Oct 26, 2016 |
| 10-Q | Quarterly report | May 5, 2017 | Mar 31, 2017 |
| 8-K |
Current report
Results of operations
|
May 3, 2017 | May 3, 2017 |
| DEF 14A | Proxy statement | Apr 11, 2017 | May 23, 2017 |
| 10-K | Annual report | Mar 10, 2017 | Dec 31, 2016 |
| 8-K |
Current report
Other events
|
Mar 6, 2017 | Mar 3, 2017 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Feb 17, 2017 | Feb 17, 2017 |
| 10-Q | Quarterly report | Nov 7, 2016 | Sep 30, 2016 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Oct 27, 2016 | Oct 26, 2016 |
| 10-Q | Quarterly report | Aug 4, 2016 | Jun 30, 2016 |
| 8-K |
Current report
Results of operations
|
Jul 27, 2016 | Jul 27, 2016 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2016 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 17, 2016 | May 17, 2016 |
| 10-Q | Quarterly report | May 10, 2016 | Mar 31, 2016 |
| 8-K |
Current report
Results of operations
|
May 6, 2016 | May 6, 2016 |
Showing 200 filings, the most recent 200. 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
- Electronic Coils, Transformers & Other Inductors (SIC 3677)
- Listed as
- BELFA (Nasdaq), BELFB (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- NJ
- Headquarters
- West Orange, NJ
- SEC filer status
- Large accelerated filer
- SEC CIK
- 729580
Source: SEC EDGAR filings. This is company-reported data, not investment advice.