Bel Fuse Inc (BELFB) SEC filings

BELFBNasdaqElectronic Coils, Transformers & Other InductorsFiscal year ends December 31Also trades as BELFA

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 4, 2026Score 9/30

$236.15+0.42 (+0.18%)

Close on Oct 30, 2026Market cap $4.14BP/E –Yield –

SEC filings

40 of Bel Fuse's most recent filings on SEC EDGAR

Document	Form	Period	Filed	Source
Current report	8-K	Oct 28, 2026	Oct 28, 2026	SEC EDGAR
Quarterly report	10-Q	Jun 30, 2026	Aug 4, 2026	SEC EDGAR
Current report	8-K	Jul 29, 2026	Jul 29, 2026	SEC EDGAR
Current report	8-K	Jul 1, 2026	Jul 2, 2026	SEC EDGAR
Current report	8-K	May 22, 2026	May 28, 2026	SEC EDGAR
Current report	8-K	May 12, 2026	May 14, 2026	SEC EDGAR
Current report	8-K	Dec 31, 2025	May 12, 2026	SEC EDGAR
Quarterly report	10-Q	Mar 31, 2026	May 5, 2026	SEC EDGAR
Current report	8-K	Apr 29, 2026	Apr 29, 2026	SEC EDGAR
Proxy statement	DEF 14A	May 26, 2026	Apr 10, 2026	SEC EDGAR
Current report	8-K	Mar 31, 2026	Apr 6, 2026	SEC EDGAR
Annual report	10-K	Dec 31, 2025	Feb 24, 2026	SEC EDGAR
Current report	8-K	Feb 17, 2026	Feb 17, 2026	SEC EDGAR
Current report	8-K	Jan 12, 2026	Jan 15, 2026	SEC EDGAR
Current report	8-K	Dec 4, 2025	Dec 10, 2025	SEC EDGAR
Current report	8-K	Nov 26, 2025	Dec 3, 2025	SEC EDGAR
Quarterly report	10-Q	Sep 30, 2025	Nov 4, 2025	SEC EDGAR
Current report	8-K	Oct 29, 2025	Oct 29, 2025	SEC EDGAR
Quarterly report	10-Q	Jun 30, 2025	Jul 31, 2025	SEC EDGAR
Current report	8-K	Jul 24, 2025	Jul 24, 2025	SEC EDGAR
Current report	8-K	Jun 30, 2025	Jul 3, 2025	SEC EDGAR
Current report	8-K	May 27, 2025	May 28, 2025	SEC EDGAR
Current report	8-K	May 20, 2025	May 21, 2025	SEC EDGAR
Current report	8-K	May 2, 2025	May 6, 2025	SEC EDGAR
Quarterly report	10-Q	Mar 31, 2025	May 1, 2025	SEC EDGAR
Current report	8-K	Apr 24, 2025	Apr 24, 2025	SEC EDGAR
Proxy statement	DEF 14A	May 27, 2025	Apr 11, 2025	SEC EDGAR
Current report	8-K	Mar 12, 2025	Mar 18, 2025	SEC EDGAR
Annual report	10-K	Dec 31, 2024	Feb 28, 2025	SEC EDGAR
Current report	8-K	Feb 18, 2025	Feb 18, 2025	SEC EDGAR
Current report	8-K	Feb 3, 2025	Feb 7, 2025	SEC EDGAR
Current report	8-K	Nov 14, 2024	Nov 20, 2024	SEC EDGAR
Quarterly report	10-Q	Sep 30, 2024	Oct 29, 2024	SEC EDGAR
Current report	8-K	Oct 23, 2024	Oct 23, 2024	SEC EDGAR
Current report	8-K	Sep 18, 2024	Sep 24, 2024	SEC EDGAR
Current report	8-K	Sep 18, 2024	Sep 19, 2024	SEC EDGAR
Current report	8-K	Aug 3, 2024	Aug 6, 2024	SEC EDGAR
Quarterly report	10-Q	Jun 30, 2024	Jul 31, 2024	SEC EDGAR
Current report	8-K	Jul 24, 2024	Jul 24, 2024	SEC EDGAR
Current report	8-K	Jul 1, 2024	Jul 2, 2024	SEC EDGAR

Where these numbers come from

Parsed from the XBRL in Bel Fuse's annual and quarterly filings with the SEC
Per-share figures adjusted for the 2-for-1 split on Dec 2, 1999
Fourth quarters derived from the annual report minus nine months
Every figure in the statements links to its source filing

Against peers

Trailing twelve months. Peers are matched on business description, industry and size. Ticks are peers, the dot is BELFB.

Compare: BELFB vs MEI · BELFB vs MTSI · BELFB vs VICR · BELFB vs CTS · BELFB vs SHLS

Revenue growth25.3% · median 28.4%

Gross margin39.5% · median 34.8%

Operating margin15.9% · median 11.5%

Net margin8.3% · median 12.4%

Company	Revenue	Growth
MTSI	$1.16B	+28.4%
MEI	$1.04B	+1.4%
VICR	$771.29M	+81.8%
BELFB	$744.09M	+25.3%
SHLS	$588.06M	+46.9%
CTS	$564.25M	+8.5%

Company

Next earnings (est.): Feb 16, 2027, after close
Exchange: Nasdaq
Industry: Electronic Coils, Transformers & Other Inductors
Fiscal year ends: December 31
Employees: 321
Held by institutions: 100.0%
Auditor: GRANT THORNTON LLP
SEC CIK: 729580

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