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(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 footnote (1) to this Form 4."}],"balance_after":7434,"source":{"system":"sec-edgar","filing":"0001437749-26-030431","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688761/000143774926030431/rdgdoc.xml","form_type":"4"}},{"id":4208,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":2750,"kind":"person","name":"Vellucci Vincent","position":1,"cik":"0001688761","reported_name":"Vellucci Vincent","relationship":{"director":true}}],"security":"Class B Common Stock","published_at":"2026-09-04T15:22:17.000Z","date":"2026-09-02","kind":"sale","planned":false,"acquired":false,"shares":393,"price":243.61,"value":95738.73,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","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 $243.61 to $243.65, 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 footnote (1) to this Form 4."}],"balance_after":8434,"source":{"system":"sec-edgar","filing":"0001437749-26-029676","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688761/000143774926029676/rdgdoc.xml","form_type":"4"}},{"id":840335,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":2750,"kind":"person","name":"Vellucci Vincent","position":1,"cik":"0001688761","reported_name":"Vellucci Vincent","relationship":{"director":true}}],"security":"Class B Common Stock","published_at":"2026-03-17T20:48:23.000Z","date":"2026-03-15","kind":"grant","planned":false,"acquired":true,"shares":1030,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Mr. Vellucci was granted 1,030 restricted shares of Class B Common Stock on March 15, 2026. The restricted shares vest as follows: 343 shares vest as of March 15, 2027; 343 shares vest as of March 15, 2028; and 344 shares vest as of March 15, 2029."}],"balance_after":8827,"source":{"system":"sec-edgar","filing":"0001437749-26-008632","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/729580/000143774926008632/rdgdoc.xml","form_type":"4"}},{"id":1202575,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":2750,"kind":"person","name":"Vellucci Vincent","position":1,"cik":"0001688761","reported_name":"Vellucci Vincent","relationship":{"director":true}}],"security":"Class B Common Stock","published_at":"2025-03-18T17:45:11.000Z","date":"2025-03-15","kind":"grant","planned":false,"acquired":true,"shares":405,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Mr. Vellucci was granted 405 restricted shares of Class B Common Stock on March 15, 2025. The restricted shares vest as follows: 135 shares vest as of March 15, 2026; 135 shares vest as of March 15, 2027; and 135 shares vest as of March 15, 2028."}],"balance_after":7797,"source":{"system":"sec-edgar","filing":"0001437749-25-008203","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/729580/000143774925008203/rdgdoc.xml","form_type":"4"}},{"id":1575833,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":2750,"kind":"person","name":"Vellucci Vincent","position":1,"cik":"0001688761","reported_name":"Vellucci Vincent","relationship":{"director":true}}],"security":"Class B Common Stock","published_at":"2024-03-15T12:13:11.000Z","date":"2024-03-13","kind":"sale","planned":false,"acquired":false,"shares":1000,"price":56.7,"value":56700.0,"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 $56.67 to $56.71, 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 footnote (1) to this Form 4."}],"balance_after":7392,"source":{"system":"sec-edgar","filing":"0001437749-24-007960","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/729580/000143774924007960/rdgdoc.xml","form_type":"4"}},{"id":1678792,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":2750,"kind":"person","name":"Vellucci Vincent","position":1,"cik":"0001688761","reported_name":"Vellucci Vincent","relationship":{"director":true}}],"security":"Class B Common Stock","published_at":"2024-01-17T15:05:56.000Z","date":"2024-01-15","kind":"grant","planned":false,"acquired":true,"shares":392,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Mr. Vellucci was granted 392 restricted shares of Class B Common Stock on January 15, 2024. The restricted shares vest as follows: 130 shares vest as of January 15, 2025; 131 shares vest as of January 15, 2026; and 131 shares vest as of January 15, 2027."}],"balance_after":8392,"source":{"system":"sec-edgar","filing":"0001437749-24-001479","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/729580/000143774924001479/rdgdoc.xml","form_type":"4"}},{"id":1790163,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":2750,"kind":"person","name":"Vellucci Vincent","position":1,"cik":"0001688761","reported_name":"Vellucci Vincent","relationship":{"director":true}}],"security":"Class B Common Stock","published_at":"2023-09-05T20:01:17.000Z","date":"2023-09-01","kind":"purchase","planned":false,"acquired":true,"shares":1000,"price":52.25,"value":52250.0,"ownership":{"direct":true},"balance_after":8000,"source":{"system":"sec-edgar","filing":"0001437749-23-025197","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/729580/000143774923025197/rdgdoc.xml","form_type":"4"}},{"id":2099415,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":2750,"kind":"person","name":"Vellucci Vincent","position":1,"cik":"0001688761","reported_name":"Vellucci Vincent","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2022-12-02T21:53:13.000Z","date":"2022-11-30","kind":"sale","acquired":false,"shares":1000,"price":33.9805,"value":33980.5,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within a price range of $33.97 to $34.01, inclusive. The reporting person undertakes to provide to Bel Fuse Inc., any security holder of Bel Fuse Inc., 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":7000,"source":{"system":"sec-edgar","filing":"0001567619-22-021199","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/729580/000156761922021199/doc1.xml","form_type":"4"}},{"id":3141798,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":2750,"kind":"person","name":"Vellucci Vincent","position":1,"cik":"0001688761","reported_name":"Vellucci Vincent","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2020-05-20T21:08:42.000Z","date":"2020-05-15","kind":"grant","acquired":true,"shares":4000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Mr. Vellucci was granted 4,000 restricted shares of Class B Common Stock on May 15, 2020.  The restricted shares vest as follows:  1,000 shares vest as of May 15, 2022; 1,000 shares vest as of May 15, 2023; 1,000 shares vest as of May 15, 2024; and 1,000 shares vest as of May 15, 2025."}],"balance_after":8000,"source":{"system":"sec-edgar","filing":"0001567619-20-010839","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/729580/000156761920010839/doc1.xml","form_type":"4"}},{"id":4556632,"issuer":{"id":2749,"kind":"organization","name":"BEL FUSE INC /NJ","symbol":"BELFB"},"owners":[{"id":2750,"kind":"person","name":"Vellucci Vincent","position":1,"cik":"0001688761","reported_name":"Vellucci Vincent","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2016-11-15T20:55:35.000Z","date":"2016-11-15","kind":"grant","acquired":true,"shares":4000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Mr. Vellucci was granted 4,000 restricted shares of Class B Common Stock on November 15, 2016.  The restricted shares vest as follows:  1,000 shares vest as of November 15, 2018; 1,000 shares vest as of November 15, 2019; 1,000 shares vest as of November 15, 2020; and 1,000 shares vest as of November 15, 2021."}],"balance_after":4000,"source":{"system":"sec-edgar","filing":"0001140361-16-086780","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/729580/000114036116086780/doc1.xml","form_type":"4"}}]}