Welcome to our dedicated page for Bel Fuse SEC filings (Ticker: BELFB), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Bel Fuse Inc (NASDAQ: BELFB) files periodic and current reports with the U.S. Securities and Exchange Commission that provide detailed information about its business as a manufacturer of products that power, protect and connect electronic circuits. Through its SEC filings, investors can review disclosures about the company’s Power Solutions and Protection, Connectivity Solutions and Magnetic Solutions product groups, and how these support end markets such as networking, telecommunications, computing, general industrial, high-speed data transmission, defense, commercial aerospace, transportation, eMobility, medical, broadcasting, automotive and consumer electronics.
On this page, you can access Bel Fuse’s annual reports on Form 10-K and quarterly reports on Form 10-Q, which typically include segment discussions, risk factors, information about international operations and commentary on trends affecting its electronic components business. Current reports on Form 8-K provide updates on material events, such as quarterly earnings releases, amendments to the company’s Code of Ethics, changes in the Board of Directors, and other significant corporate developments.
Bel Fuse’s filings also discuss topics such as its November 2024 acquisition of Enercon, its noncontrolling minority investment in innolectric AG and the expected impairment charge related to that investment, as well as the use of non-GAAP financial measures like Adjusted EBITDA and Non-GAAP EPS. These documents outline the adjustments made to GAAP results and the reasons the company provides these additional metrics.
Stock Titan’s SEC filings page for BELFB offers real-time access to new filings as they appear on EDGAR, along with AI-powered summaries that explain the key points of lengthy documents. Investors can quickly review 10-K and 10-Q highlights, understand the implications of 8-K events, and examine insider-related information reported on forms such as Form 4, all in one place.
Bel Fuse Inc. president and CEO Farouq Salem Ali Tuweiq reported multiple open-market sales of Class A and Class B common stock on February 25, 2026. He sold a total of 33,967 shares, including Class A sales at prices such as $215.65, $217.13 and $218.45, and Class B sales at prices including $233.88 to $238.40. After these transactions, he held no Class A shares directly, but continued to hold 1,449 Class A shares indirectly through a 401(k) plan and 30,837 Class B shares directly.
Belfa (BELFA) filed a Form 144 reporting proposed sales of Class B Common shares derived from RSU stock grants.
The filing lists multiple RSU grant dates and quantities, including grants of 9,000 shares on
BELFA filed a Form 144 to sell 25,867 shares of Common Stock through Morgan Stanley Smith Barney LLC. The filing lists restricted stock grants with grant dates and amounts: 03/15/2025: 1,978; 05/15/2023: 2,500; 05/15/2024: 2,500; 05/15/2025: 2,500; 11/15/2024: 5,000; 11/15/2025: 5,000; 02/03/2026: 6,389.
Bel Fuse Inc. director Peter E. Gilbert reported selling 4,500 shares of Class B Common Stock in an open-market transaction. The weighted average sale price was $238.75 per share, with individual trades executed between $238.38 and $239.00. After this sale, he directly holds 15,047 Class B shares and 500 Class A shares. An additional 1,250 Class B shares are reported as indirectly owned through his wife.
BEL FUSE INC director Mark B. Segall reported a gift of 300 shares of Class B Common Stock. The bona fide gift on February 23, 2026 was made at a reported price of $0.00 per share. After this transfer, he directly holds 12,497 Class B shares.
Bel Fuse submitted a Form 144 reporting proposed sales of Class A and Class B common stock. The notice lists multiple lots of shares acquired on various dates between The filing enumerates individual purchase dates and share counts for planned resale transactions rather than a single aggregated offering amount.
Bel Fuse Inc. filed an amended report to update details on its change of independent auditor. The Company confirms that Grant Thornton LLP, which audited the consolidated financial statements for the year ended December 31, 2025, was formally dismissed effective February 24, 2026, when the 2025 Form 10-K was filed.
The filing states there were no disagreements with Grant Thornton on accounting principles, financial disclosures, or audit procedures, and no reportable events for 2024, 2025, or the interim period through February 24, 2026. Grant Thornton’s opinions for 2024 and 2025 contained no adverse or qualified opinions.
The Company reiterates that, as previously disclosed, Deloitte & Touche LLP was appointed on December 4, 2025 as the new independent registered public accounting firm for the fiscal year ending December 31, 2026 and related interim periods, and that Bel Fuse did not consult with Deloitte on accounting or auditing issues before the appointment.
Bel Fuse Inc. files its annual report describing a diversified electronics business serving defense, aerospace, networking, telecommunications, industrial and transportation markets. In 2024 Bel acquired an 80% stake in Enercon Technologies for approximately
Bel Fuse Inc. reported strong growth for 2025, with net sales rising to $675.5 million from $534.8 million, a 26.3% increase, and gross margin improving to 39.1% from 37.8%. Adjusted EBITDA grew to $142.9 million, or 21.2% of sales, up from $101.9 million and 19.0%.
In the fourth quarter of 2025, net sales were $175.9 million, up 17.4% year over year, with gross margin at 39.4%. GAAP results showed a $5.4 million net loss attributable to shareholders, driven by a $13.1 million non-cash impairment on an equity method investment and related loans, while Non-GAAP net earnings were $24.9 million and Adjusted EBITDA was $37.6 million.
Growth was broad-based, led by Power Solutions and Protection, where full-year sales increased 45.3%. Management highlighted strong demand in commercial aerospace and defense and recovering networking and distribution channels. For the first quarter of 2026, Bel estimates net sales of $165–$180 million and expects gross margin of 37–39%.