Companies: 10,795·Total market cap: $144.5T
Bel Fuse Inc.

Bel Fuse Inc.

BELFBNASDAQTechnology● Active
$276.22
+$13.66(+5.20%)
Market Cap$3.3B
P/E Ratio—
52W High$308.27
52W Low$71.44
SEC Filings

Bel Fuse Inc. (BELFB) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0000729580 · BELFB · NASDAQ · as of Jun 8, 2026

Filing snapshot

1,000+
Total Filings
4
Latest Form
2026-06-03
Most Recent
1998
Filing Since
FinancialsEarningsView All on EDGAR

Source: SEC EDGAR (data.sec.gov) · CIK 0000729580 · Updated hourly · Not investment advice

Latest Annual Report

10-K · Annual ReportFY
Filed Date
2026-02-24
Fiscal Year End
Feb 24, 2026
Accession No.
0001437749-26-005354
Primary Document
belfb20251231d_10k.htm
View on SEC EDGARDownload PDFFiling Index
Source: data.sec.gov · CIK 0000729580 · Accession 0001437749-26-005354

Latest Key Filings

10-QQuarterly Report
FORM 10-Q
2026-05-05
View 10-Q on SEC
8-KCurrent Report
FORM 8-K
2026-05-28Material Event
View 8-K on SEC
Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

View Insider Trades Tab

SEC Filing History

Hide Form 4 / 144
SDSD
FORM SD
2026-06-01
View
8-KCurrent Report
FORM 8-K
2026-05-28
View
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2026-05-15
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-05-15
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-05-15
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-05-14
View
424B5424B5
PROSPECTUS SUPPLEMENT
2026-05-14
View
8-KCurrent Report
CURRENT REPORT
2026-05-14
View
POSASRPOSASR
AMENDMENT NO. 1 FORM S-3ASR
2026-05-13
View
424B5424B5
PROSPECTUS SUPPLEMENT
2026-05-13
View
S-3ASRS-3ASR
REGISTRATION STATEMENT
2026-05-12
View
8-KCurrent Report
FORM 8-K
2026-05-12
View
10-QQuarterly Report
FORM 10-Q
2026-05-05
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-04-29
View
8-KCurrent Report
FORM 8-K
2026-04-29
View
Showing 1–15 of 707 filingsForm 4 / 144 hidden· 1000 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0000729580  |  Exchange: NASDAQ · Technology

Bel Fuse Inc. (NASDAQ: BELFB) has submitted 1,000+ documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 1998. As a Technology sector company with CIK 0000729580, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Bel Fuse Inc.'s most comprehensive regulatory disclosure. The most recent Bel Fuse Inc. 10-K was filed on 2026-02-24 for fiscal year ending 2026. Historical BELFB 10-K annual reports are available from 1999 through 2026.

Investors researching Bel Fuse Inc. SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-08
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→ BELFB Financials→ BELFB Earnings→ BELFB Insider Trades

Frequently Asked Questions

BELFB SEC Filings · 8 questions

Bel Fuse Inc. (BELFB) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 1,000+ filings and access original documents at no cost. Bel Fuse Inc.'s CIK is 0000729580.

BELFB SEC filingsBel Fuse Inc. SEC documentsfind BELFB 10-K