Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _____________________ FORM 10-K (MARK ONE) Commission File No. 000-11676 _____________________ BEL FUSE INC. (Exact name of registrant as specified in its charter) New Jersey 22-1463699 (State of incorporation) (I.R.S. Employer Identification No.) 300 Executive Drive, Suite 300 West Orange, NJ 07052 (Address of principal executive offices and zip code) Registrant's telephone number, including area code: (201) 432-0463 ...

Exhibit 99.1 FOR IMMEDIATE RELEASE Bel Fuse Inc. 300 Executive Drive Suite 300 West Orange, NJ 07052 www.belfuse.com tel 201.432.0463 Bel Reports Fourth Quarter and Full Year 2025 Results Provides Q1-26 Sales and Gross Margin Guidance WEST ORANGE, NJ, Tuesday, February 17, 2026-- Bel Fuse Inc. (Nasdaq: BELFA and BELFB) today announced preliminary financial results for the fourth quarter and full year of 2025. Fourth Quarter 2025 Highlights Full Year 2025 Highlights "Bel delivered a strong fourth quarter, wi ...

Core Insights - Bel Fuse Inc. reported strong preliminary financial results for Q4 and full year 2025, driven by robust demand in commercial aerospace and defense sectors, alongside recovery in networking and distribution channels [3][9]. Financial Performance - Q4 2025 net sales reached $175.9 million, a 17.4% increase from $149.9 million in Q4 2024 [9]. - Full year 2025 net sales totaled $675.5 million, up 26.3% from $534.8 million in 2024 [9]. - Q4 2025 gross profit margin improved to 39.4%, compared to 37.5% in Q4 2024 [9]. - Full year 2025 gross profit margin was 39.1%, up from 37.8% in 2024 [9]. Earnings and Adjusted Metrics - GAAP net loss attributable to Bel shareholders for Q4 2025 was $5.4 million, compared to a loss of $1.8 million in Q4 2024, influenced by a $13.1 million non-cash impairment [9]. - Non-GAAP net earnings attributable to Bel shareholders for Q4 2025 were $24.9 million, up from $19.0 million in Q4 2024 [9]. - Adjusted EBITDA for Q4 2025 was $37.6 million, representing 21.4% of sales, compared to $30.3 million (20.2% of sales) in Q4 2024 [9]. Future Guidance - For Q1 2026, the company anticipates net sales between $165 million and $180 million, with gross margin expected to remain healthy in the range of 37% to 39% [5][3]. Leadership Changes - Tom Smelker has joined the leadership team, bringing extensive experience in aerospace and defense, which aligns with the company's growth strategy [4].

Core Viewpoint - Bel Fuse Inc. is set to release preliminary financial results for the fourth quarter on February 17, 2026, with a conference call scheduled for February 18, 2026, at 8:30 a.m. ET [1] Company Overview - Bel Fuse Inc. designs, manufactures, and markets a wide range of products that power, protect, and connect electronic circuits [2] - The company's products are utilized in various industries, including defense, commercial aerospace, networking, telecommunications, computing, general industrial, high-speed data transmission, transportation, and eMobility [2] - Bel's product categories include Power Solutions and Protection, Connectivity Solutions, and Magnetic Solutions, with operations in facilities worldwide [2]

Core Thesis - Bel Fuse Inc. (BELFA) presents a compelling investment opportunity due to its share class arbitrage potential and the ongoing discussions around collapsing its dual-class structure [2][3][4]. Share Class Dynamics - Bel Fuse Inc. has two share classes: BELFA shares with voting rights and BELFB shares without voting rights, which offer at least a 5% higher dividend [2][3]. - Historically, BELFA and BELFB shares have traded close to parity, with BELFA reaching a premium of 142% over BELFB in 2022 and a low of 72% in 2018 [2]. Current Market Situation - Currently, BELFA shares trade at 91% of BELFB shares, indicating a significant mispricing, especially as the dividend yield on BELFA is at a historic low [3]. - Large institutional investors, including Gabelli Funds, are advocating for a proposal to collapse the dual-class structure, which could unlock substantial value for BELFA shareholders [3]. Investment Opportunity - The potential simplification of the share structure presents a unique opportunity for investors to capture value, as the undervaluation of BELFA shares relative to BELFB may correct sharply upon any corporate action [4]. - The historically tight trading relationship between the two classes, combined with potential activist-driven governance changes, positions Bel Fuse as a low-risk, high-reward arbitrage opportunity [4]. Historical Performance - Previous analyses highlighted operational improvements and a growth outlook for Bel Fuse, with a noted stock price appreciation of approximately 172.50% since earlier coverage [5].

Core Viewpoint - Bel Fuse Inc. has appointed Tom Smelker as President of Connectivity Solutions, effective January 26, 2026, to drive growth and innovation in the aerospace and defense sectors [1][4]. Group 1: Appointment and Background - Tom Smelker brings over two decades of experience in the aerospace and defense sectors, previously serving as Senior Vice President and General Manager at Mercury Systems, managing a $400+ million P&L across ten sites [2]. - At Mercury Systems, he achieved a significant turnaround in profitability and repositioned key product lines into top-performing units [2]. - Prior to Mercury Systems, Smelker spent 19 years at Raytheon, where he advanced to Senior Fellow in Secure Processing and launched a secure systems business [2][3]. Group 2: Expertise and Strategic Fit - Smelker's expertise includes ruggedized computing, RF systems, secure microelectronics, and space technologies, aligning closely with Bel's strategic priorities [3]. - His leadership experience in P&L management and global operational oversight positions him well to lead Bel's Connectivity Solutions business unit [3]. Group 3: Leadership Comments - Farouq Tuweiq, CEO of Bel, expressed enthusiasm about Smelker's appointment, highlighting his leadership skills and industry knowledge as crucial for the company's growth [4]. - Smelker noted the opportunity to contribute to Bel's commitment to innovation and its strong position in the aerospace and defense markets [4]. Group 4: Company Overview - Bel Fuse Inc. designs, manufactures, and markets products that power, protect, and connect electronic circuits, serving various industries including defense, commercial aerospace, telecommunications, and automotive [5]. - The company's product groups include Power Solutions, Connectivity Solutions, and Magnetic Solutions, with operations in facilities worldwide [5].

Core Insights - Bel Fuse Inc. announced the retirement of Pete Bittner, President of Connectivity Solutions, effective April 3, 2026, after over 30 years of service [1][2] Group 1: Leadership and Contributions - Pete Bittner joined Bel in 1990 and has been pivotal in the growth of the Connectivity Solutions business, demonstrating vision and integrity throughout his 35-year career [2] - Under Bittner's leadership, the profitability of the Connectivity Solutions business doubled over the past four years, showcasing his significant impact on the organization [3] - Bittner's collaborative spirit and mentorship have fostered a culture of continuous improvement and teamwork within Bel [2][3] Group 2: Company Overview - Bel Fuse Inc. designs, manufactures, and markets a wide range of products that power, protect, and connect electronic circuits, serving various industries including defense, commercial aerospace, telecommunications, and automotive [4] - The company's product groups include Power Solutions, Connectivity Solutions, and Magnetic Solutions, with applications in high-speed data transmission, transportation, and consumer electronics [4]

Group 1 - The article does not provide any relevant content regarding company or industry insights [1]

Core Viewpoint - Bel Fuse Inc. is actively participating in the 28th Annual Needham Growth Conference, indicating its commitment to engaging with investors and showcasing its business strategies and growth potential [1][2]. Company Overview - Bel Fuse Inc. designs, manufactures, and markets a wide range of products that power, protect, and connect electronic circuits, serving various industries including networking, telecommunications, computing, military, aerospace, medical, transportation, and broadcasting [3]. - The company's product groups include Power Solutions and Protection, Connectivity Solutions, and Magnetic Solutions, highlighting its diverse offerings in the electronic components market [3]. Event Details - The 28th Annual Needham Growth Conference will take place on January 13, 2026, at the Lotte NY Palace Hotel in New York, featuring a presentation by CEO Farouq Tuweiq and CFO Lynn Hutkin at 1:30 PM ET [2]. - Investors can access the presentation deck and webcast through the investor relations section of Bel Fuse's website [2].

Core Viewpoint - Bel Fuse Inc. anticipates a pre-tax impairment charge of up to approximately $14 million related to its investment in Innolectric AG due to ongoing challenges in the e-Mobility market and Innolectric's insolvency proceedings [1][3][4] Investment Details - Bel acquired a noncontrolling one-third stake in Innolectric in February 2023, recognizing its potential in the e-Mobility sector driven by innovative power products and a strong intellectual property portfolio [2] - Despite Innolectric's strengths, factors such as market exits, reduced government incentives, and weaknesses in the global electric vehicle sector have led to operating losses and delayed sales [2][3] Financial Impact - The anticipated impairment charge reflects the full potential loss associated with the investment, including outstanding notes receivable from loans extended to Innolectric [3] - Bel recorded losses of $0.4 million for the nine months ended September 30, 2025, and $0.6 million for the year ended December 31, 2024, related to its minority interest in Innolectric [3] Strategic Decisions - Bel decided against acquiring the remaining two-thirds stake in Innolectric, considering the current market conditions, the time required to achieve breakeven, and other capital allocation priorities [4]