{"transactions":[{"id":840344,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":60389,"kind":"person","name":"Hutkin Lynn","position":1,"cik":"0001876522","reported_name":"Hutkin Lynn","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class B Common Stock","published_at":"2026-03-17T20:52:03.000Z","date":"2026-03-15","kind":"grant","planned":false,"acquired":true,"shares":695,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Ms. Hutkin was granted 695 restricted shares of Class B Common Stock on March 15, 2026. The restricted shares vest as follows: 232 shares vest as of March 15, 2027; 232 shares vest as of March 15, 2028; and 231 shares vest as of March 15, 2029."}],"balance_after":23543,"source":{"system":"sec-edgar","filing":"0001437749-26-008638","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/729580/000143774926008638/rdgdoc.xml","form_type":"4"}},{"id":968513,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":60389,"kind":"person","name":"Hutkin Lynn","position":1,"cik":"0001876522","reported_name":"Hutkin Lynn","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class B Common Stock","published_at":"2025-12-16T21:03:36.000Z","date":"2025-12-12","kind":"sale","planned":false,"acquired":false,"shares":700,"price":171.74,"value":120218.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $171.72 to $171.85, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":22848,"source":{"system":"sec-edgar","filing":"0001437749-25-038003","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/729580/000143774925038003/rdgdoc.xml","form_type":"4"}},{"id":968512,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":60389,"kind":"person","name":"Hutkin Lynn","position":1,"cik":"0001876522","reported_name":"Hutkin Lynn","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class B Common Stock","published_at":"2025-12-16T21:03:36.000Z","date":"2025-12-12","kind":"sale","planned":false,"acquired":false,"shares":700,"price":171.39,"value":119973.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $170.69 to $171.52, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":23548,"source":{"system":"sec-edgar","filing":"0001437749-25-038003","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/729580/000143774925038003/rdgdoc.xml","form_type":"4"}},{"id":968511,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":60389,"kind":"person","name":"Hutkin Lynn","position":1,"cik":"0001876522","reported_name":"Hutkin Lynn","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class B Common Stock","published_at":"2025-12-16T21:03:36.000Z","date":"2025-12-12","kind":"sale","planned":false,"acquired":false,"shares":1079,"price":169.49,"value":182879.71,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $169.09 to $170.00, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":24248,"source":{"system":"sec-edgar","filing":"0001437749-25-038003","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/729580/000143774925038003/rdgdoc.xml","form_type":"4"}},{"id":968510,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":60389,"kind":"person","name":"Hutkin Lynn","position":1,"cik":"0001876522","reported_name":"Hutkin Lynn","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Class B Common Stock","published_at":"2025-12-16T21:03:36.000Z","date":"2025-12-12","kind":"sale","planned":false,"acquired":false,"shares":2521,"price":168.71,"value":425317.91,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $168.04 to $168.94, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":25327,"source":{"system":"sec-edgar","filing":"0001437749-25-038003","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/729580/000143774925038003/rdgdoc.xml","form_type":"4"}},{"id":1202581,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":60389,"kind":"person","name":"Hutkin Lynn","position":1,"cik":"0001876522","reported_name":"Hutkin Lynn Katherine","relationship":{"officer":true,"officer_title":"VP of Financial Rept & IR"}}],"security":"Class B Common Stock","published_at":"2025-03-18T20:06:23.000Z","date":"2025-03-15","kind":"grant","planned":false,"acquired":true,"shares":10443,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Ms. Hutkin was granted 10,443 restricted shares of Class B Common Stock on March 15, 2025. The restricted shares vest as follows: 3,481 shares vest as of March 15, 2026; 3,481 shares vest as of March 15, 2027; and 3,481 shares vest as of March 15, 2028."}],"balance_after":27848,"source":{"system":"sec-edgar","filing":"0001437749-25-008248","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/729580/000143774925008248/rdgdoc.xml","form_type":"4"}},{"id":1575843,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":60389,"kind":"person","name":"Hutkin Lynn","position":1,"cik":"0001876522","reported_name":"Hutkin Lynn Katherine","relationship":{"officer":true,"officer_title":"VP of Financial Rept & IR"}}],"security":"Class B Common Stock","published_at":"2024-03-15T12:28:12.000Z","date":"2024-03-15","kind":"grant","planned":false,"acquired":true,"shares":1278,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Ms. Hutkin was granted 1,278 restricted shares of Class B Common Stock on March 15, 2024. The restricted shares vest as follows: 426 shares vest as of March 15, 2025; 426 shares vest as of March 15, 2026; and 426 shares vest as of March 15, 2027."}],"balance_after":17405,"source":{"system":"sec-edgar","filing":"0001437749-24-007976","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/729580/000143774924007976/rdgdoc.xml","form_type":"4"}},{"id":2113743,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":60389,"kind":"person","name":"Hutkin Lynn","position":1,"cik":"0001876522","reported_name":"Hutkin Lynn Katherine","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Director Financial Reporting"}}],"security":"Class B Common Stock","published_at":"2022-11-17T16:34:33.000Z","date":"2022-11-15","kind":"grant","acquired":true,"shares":8000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Ms. Hutkin was granted 8,000 restricted shares of Class B Common Stock on November 15, 2022. The restricted shares vest as follows: 2,000 shares vest as of November 15, 2024; 2,000 shares vest as of November 15, 2025; 2,000 shares vest as of November 15, 2026; and 2,000 shares vest as of November 15, 2027."}],"balance_after":16127,"source":{"system":"sec-edgar","filing":"0001567619-22-020518","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/729580/000156761922020518/doc1.xml","form_type":"4"}}]}