Bel Fuse Inc.

Bel Fuse Inc.

BELFBยทNASDAQ

$280.09

-0.23%
TechnologyHardware, Equipment & Parts

Bel Fuse Inc. designs, manufactures, markets, and sells products that are used in the networking, telecommunication, high-speed data transmission, commercial aerospace, military, broadcasting, transportation, e-Mobility and broadcasting, and consumer electronic industries in the United States, Macao, the United Kingdom, Slovakia, Germany, Switzerland, and internationally. It offers magnetic products, such as integrated connector modules; power transformers; SMD power inductors and SMPS transformers; and ethernet discrete components. The company also provides power solutions and protection products comprising front-end power supplies; board-mount power; industrial power; external power; and circuit protection products. In addition, it offers connectivity solutions, which includes expanded beam fiber optic connectors, cable assemblies, and active optical devices; copper-based connectors/cable assemblies; radio frequency connectors, cable assemblies, microwave devices, and low loss cables; and ethernet, I/O, and industrial and power connectivity. The company sells its products under the Bel, TRP Connector, MagJack, Signal, Bel Power Solutions, Melcher, CUI, Stratos, Fibreco, Cinch, Johnson, Trompeter, Midwest Microwave, Semflex, and Stewart Connector brands through direct strategic account managers, regional sales managers working with independent sales representative organizations, and authorized distributors. Bel Fuse Inc. was incorporated in 1949 and is headquartered in Jersey City, New Jersey.

At a Glance

Live Snapshot
Market Cap$3.39B
EPS4.6400
P/E Ratio60.36
Earnings Date07/23/2026

SEC Filings

BELFB - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
8-K

8-K 2026

N/A

May 28, 2026
May 22, 2026
2026
8-K

8-K 2026

N/A

May 14, 2026
May 12, 2026
2026
8-K

8-K 2025

N/A

May 12, 2026
December 31, 2025
2025
10-Q

10-Q 2026 Q1

Q1

May 05, 2026
March 31, 2026
2026
8-K

8-K 2026

N/A

April 29, 2026
April 29, 2026
2026
DEF 14A

DEF 14A 2026

N/A

April 10, 2026
May 26, 2026
2026
8-K

8-K 2026

N/A

April 06, 2026
March 31, 2026
2026
8-K/A

8-K/A 2025 (Amended)

N/A

February 24, 2026
December 04, 2025
2025
10-K

10-K 2025 FY

FY

February 24, 2026
December 31, 2025
2025
8-K

8-K 2026

N/A

February 17, 2026
February 17, 2026
2026
Showing 1 to 10 of 377 filings

Understanding SEC Filings

Essential regulatory documents for investors

SEC filings are mandatory documents that publicly traded companies must submit to the Securities and Exchange Commission. These reports provide critical insights into a company's financial health, operations, risks, and strategic direction. For investors conducting due diligence, these filings are the most authoritative source of company information.

10-K

Annual Report

Comprehensive annual financial report filed within 60-90 days of fiscal year-end. Includes audited financial statements, management discussion & analysis (MD&A), risk factors, and detailed business operations. The most thorough financial disclosure of the year.

Filed annually
10-Q

Quarterly Report

Unaudited quarterly financial report filed within 40-45 days after each of the first three fiscal quarters. Provides updates on financial position, results of operations, and significant events. Essential for tracking quarterly performance trends.

Filed 3 times per year
8-K

Current Report

Event-driven filing for material events that shareholders should know about, filed within 4 business days. Includes acquisitions, executive changes, bankruptcy, earnings releases, and other significant developments. Critical for staying informed about breaking news.

Filed as events occur
DEF 14A

Proxy Statement

Definitive proxy statement sent to shareholders before annual meetings. Contains executive compensation details, board member information, voting matters, and corporate governance policies. Key for understanding management incentives and board composition.

Filed before shareholder meetings
S-1

Registration Statement

Initial registration for securities offerings, including IPOs. Provides detailed company history, business model, financial statements, risk factors, and use of proceeds. Essential for evaluating new investment opportunities and understanding company fundamentals.

Filed for new offerings
20-F

Foreign Annual Report

Annual report for foreign private issuers, equivalent to Form 10-K for non-U.S. companies. Filed within 4-6 months of fiscal year-end. Contains audited financials, business description, and regulatory disclosures adapted for international companies.

Foreign companies only

Why SEC Filings Matter

  • Regulatory Accuracy: Filings are subject to SEC review and legal penalties for misstatements, ensuring high data quality
  • Management Insights: MD&A sections reveal management's perspective on trends, challenges, and future outlook
  • Risk Assessment: Detailed risk factor disclosures help investors understand potential threats to business operations
  • Competitive Analysis: Business descriptions and segment data enable comparison with industry peers
  • Historical Context: Years of filings provide trend analysis and context for current performance