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. filings document the reporting obligations of a New Jersey operating company with Nasdaq-listed Class A and Class B common shares. The company’s 8-K reports cover results of operations and financial condition, earnings-release exhibits, segment reporting changes, completed acquisition activity, executive and accounting-related events, and other material corporate updates.
Bel Fuse proxy filings address board matters, shareholder voting items, executive compensation, pay-versus-performance disclosures, and related governance information. Its regulatory record also reflects the company’s business structure across electronic components, power systems, connectors, cable assemblies, circuit protection, networking products, and the reportable segments Aerospace, Defense & Rugged Solutions and Industrial Technology & Data Solutions.
SEGALL MARK B reported acquisition or exercise transactions in this Form 4 filing.
Bel Fuse Inc. director Mark B. Segall reported receiving a grant of 1,030 restricted shares of Class B Common Stock on March 15, 2026. These restricted shares vest in three installments: 343 shares on March 15, 2027, 343 shares on March 15, 2028, and 344 shares on March 15, 2029. Following this equity award, Segall directly holds a total of 13,527 Class B shares, reflecting routine stock-based compensation rather than an open-market share purchase or sale.
SEGALL MARK B reported acquisition or exercise transactions in this Form 4 filing.
Bel Fuse Inc. director Mark B. Segall reported receiving a grant of 1,030 restricted shares of Class B Common Stock on March 15, 2026. These restricted shares vest in three installments: 343 shares on March 15, 2027, 343 shares on March 15, 2028, and 344 shares on March 15, 2029. Following this equity award, Segall directly holds a total of 13,527 Class B shares, reflecting routine stock-based compensation rather than an open-market share purchase or sale.
Hutkin Lynn reported acquisition or exercise transactions in this Form 4 filing.
Bel Fuse Inc. Chief Financial Officer Lynn Hutkin reported a stock-based compensation grant. She received 695 restricted shares of Class B Common Stock on March 15, 2026 at no cost. These shares vest in three tranches: 232 shares on March 15, 2027, 232 on March 15, 2028, and 231 on March 15, 2029.
After the grant, she directly holds 23,543 Class B shares. She also has indirect retirement-plan holdings estimated at 2,991 Class A shares and 132 Class B shares through a 401(k) plan.
Hutkin Lynn reported acquisition or exercise transactions in this Form 4 filing.
Bel Fuse Inc. Chief Financial Officer Lynn Hutkin reported a stock-based compensation grant. She received 695 restricted shares of Class B Common Stock on March 15, 2026 at no cost. These shares vest in three tranches: 232 shares on March 15, 2027, 232 on March 15, 2028, and 231 on March 15, 2029.
After the grant, she directly holds 23,543 Class B shares. She also has indirect retirement-plan holdings estimated at 2,991 Class A shares and 132 Class B shares through a 401(k) plan.
Berry Joseph reported acquisition or exercise transactions in this Form 4 filing.
Bel Fuse Inc. reported that executive Joseph Berry, VP and President of Magnetic Solutions, received a grant of 419 restricted shares of Class B Common Stock at no cost on March 15, 2026. These restricted shares vest in three annual installments: 140 shares on March 15, 2027, 140 shares on March 15, 2028, and 139 shares on March 15, 2029.
After this award, Berry directly holds 18,193 Class B shares. He also has indirect holdings through a 401(k) plan, estimated at 1,332 Class B shares and 2,793 Class A shares, reflecting retirement-plan ownership in the company in addition to his direct stake.
Berry Joseph reported acquisition or exercise transactions in this Form 4 filing.
Bel Fuse Inc. reported that executive Joseph Berry, VP and President of Magnetic Solutions, received a grant of 419 restricted shares of Class B Common Stock at no cost on March 15, 2026. These restricted shares vest in three annual installments: 140 shares on March 15, 2027, 140 shares on March 15, 2028, and 139 shares on March 15, 2029.
After this award, Berry directly holds 18,193 Class B shares. He also has indirect holdings through a 401(k) plan, estimated at 1,332 Class B shares and 2,793 Class A shares, reflecting retirement-plan ownership in the company in addition to his direct stake.
Bel Fuse Inc. Vice President of Asia Operations Kenneth Koon Keung Lai reported both a stock award and a small sale of Class B Common Stock. On March 15, 2026, he acquired 329 restricted shares as a grant, with 110 shares vesting on March 15, 2027, 110 on March 15, 2028, and 109 on March 15, 2029. On March 16, 2026, he sold 552 shares in an open-market transaction at $203.21 per share and held 7,532 shares of Class B Common Stock afterward, indicating he retained most of his position.
Bel Fuse Inc. Vice President of Asia Operations Kenneth Koon Keung Lai reported both a stock award and a small sale of Class B Common Stock. On March 15, 2026, he acquired 329 restricted shares as a grant, with 110 shares vesting on March 15, 2027, 110 on March 15, 2028, and 109 on March 15, 2029. On March 16, 2026, he sold 552 shares in an open-market transaction at $203.21 per share and held 7,532 shares of Class B Common Stock afterward, indicating he retained most of his position.
Bel Fuse Inc. director and 10% owner Daniel Bernstein reported both an equity award and a stock sale. On March 16, 2026, he sold 6,667 shares of Class B Common Stock in an open-market transaction at $203.21 per share, leaving 23,512 Class B shares held directly afterward.
On March 15, 2026, he received a grant of 1,429 restricted shares of Class B Common Stock, with 476 shares vesting on March 15, 2027, 476 on March 15, 2028, and 477 on March 15, 2029. He also holds 376,095 Class A shares directly, an estimated 5,880 Class A shares through a 401(k) plan, and 4,265 Class B shares indirectly through his wife.
Bel Fuse Inc. director and 10% owner Daniel Bernstein reported both an equity award and a stock sale. On March 16, 2026, he sold 6,667 shares of Class B Common Stock in an open-market transaction at $203.21 per share, leaving 23,512 Class B shares held directly afterward.
On March 15, 2026, he received a grant of 1,429 restricted shares of Class B Common Stock, with 476 shares vesting on March 15, 2027, 476 on March 15, 2028, and 477 on March 15, 2029. He also holds 376,095 Class A shares directly, an estimated 5,880 Class A shares through a 401(k) plan, and 4,265 Class B shares indirectly through his wife.
Bel Fuse Inc's President of Power Solutions, Stephen Dawson, reported both a stock sale and an equity grant. He sold 3,444 shares of Class B Common Stock in an open-market transaction at an average price of $203.21 per share, and held 11,741 Class B shares directly afterward.
On March 15, 2026, he was granted 920 restricted shares of Class B Common Stock at no cost. According to the grant terms, 307 shares vest on March 15, 2027, another 307 on March 15, 2028, and 306 on March 15, 2029. He also has 2,266 shares of Class A Common Stock held indirectly through a 401(k) plan, with that amount estimated.
Bel Fuse Inc's President of Power Solutions, Stephen Dawson, reported both a stock sale and an equity grant. He sold 3,444 shares of Class B Common Stock in an open-market transaction at an average price of $203.21 per share, and held 11,741 Class B shares directly afterward.
On March 15, 2026, he was granted 920 restricted shares of Class B Common Stock at no cost. According to the grant terms, 307 shares vest on March 15, 2027, another 307 on March 15, 2028, and 306 on March 15, 2029. He also has 2,266 shares of Class A Common Stock held indirectly through a 401(k) plan, with that amount estimated.
Vellucci Vincent reported acquisition or exercise transactions in this Form 4 filing.
BEL FUSE INC /NJ director Vincent Vellucci received a compensation grant of 1,030 restricted shares of Class B Common Stock. The shares were awarded at no purchase price and increase his direct holdings to 8,827 Class B shares.
The restricted shares vest over three years: 343 shares vest as of March 15, 2027, another 343 shares vest as of March 15, 2028, and the remaining 344 shares vest as of March 15, 2029. This reflects a routine equity-based award rather than an open-market stock purchase.
Vellucci Vincent reported acquisition or exercise transactions in this Form 4 filing.
BEL FUSE INC /NJ director Vincent Vellucci received a compensation grant of 1,030 restricted shares of Class B Common Stock. The shares were awarded at no purchase price and increase his direct holdings to 8,827 Class B shares.
The restricted shares vest over three years: 343 shares vest as of March 15, 2027, another 343 shares vest as of March 15, 2028, and the remaining 344 shares vest as of March 15, 2029. This reflects a routine equity-based award rather than an open-market stock purchase.
Valletta David reported acquisition or exercise transactions in this Form 4 filing.
Bel Fuse Inc. director David Valletta received an equity grant of 1,965 restricted shares of Class B Common Stock on March 15, 2026 as compensation, at no cash cost per share. Following this grant, he directly holds 3,171 Class B shares.
The restricted shares vest in three equal installments of 655 shares each, scheduled to vest on March 15, 2027, March 15, 2028, and March 15, 2029. This is a routine stock-based award rather than an open-market purchase.
Valletta David reported acquisition or exercise transactions in this Form 4 filing.
Bel Fuse Inc. director David Valletta received an equity grant of 1,965 restricted shares of Class B Common Stock on March 15, 2026 as compensation, at no cash cost per share. Following this grant, he directly holds 3,171 Class B shares.
The restricted shares vest in three equal installments of 655 shares each, scheduled to vest on March 15, 2027, March 15, 2028, and March 15, 2029. This is a routine stock-based award rather than an open-market purchase.
Smith Rita reported acquisition or exercise transactions in this Form 4 filing.
BEL FUSE INC director Dr. Rita Smith received a grant of 1,030 restricted shares of Class B Common Stock as compensation. These restricted shares vest in stages: 343 shares on March 15, 2027, 343 shares on March 15, 2028, and 344 shares on March 15, 2029. After this award, Dr. Smith directly holds a total of 5,827 Class B shares. The grant is a stock-based award rather than an open-market purchase.
Smith Rita reported acquisition or exercise transactions in this Form 4 filing.
BEL FUSE INC director Dr. Rita Smith received a grant of 1,030 restricted shares of Class B Common Stock as compensation. These restricted shares vest in stages: 343 shares on March 15, 2027, 343 shares on March 15, 2028, and 344 shares on March 15, 2029. After this award, Dr. Smith directly holds a total of 5,827 Class B shares. The grant is a stock-based award rather than an open-market purchase.
BEL FUSE INC /NJ Global Head of People Suzanne Kozlovsky reported both an equity award and a small share sale. On March 15, 2026, she was granted 437 restricted shares of Class B Common Stock, vesting in stages through March 15, 2029. On March 16, 2026, she sold 214 Class B shares in an open-market transaction at $203.21 per share. After these transactions, she held 12,283 Class B shares directly and an estimated 496 Class A shares indirectly through a 401(k) plan.
BEL FUSE INC /NJ Global Head of People Suzanne Kozlovsky reported both an equity award and a small share sale. On March 15, 2026, she was granted 437 restricted shares of Class B Common Stock, vesting in stages through March 15, 2029. On March 16, 2026, she sold 214 Class B shares in an open-market transaction at $203.21 per share. After these transactions, she held 12,283 Class B shares directly and an estimated 496 Class A shares indirectly through a 401(k) plan.