The SEC lists BEL FUSE INC /NJ under CIK 0000729580, in electronic coils, transformers and other inductors. We track it alongside the rest of the Information Technology sector.
Footnote F1 (shares): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $235.12 to $235.39, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F1 (shares): 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… Full note on SEC EDGAR
Footnote F1 (price): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $292.09 to $292.30, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F2 (price): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $268.95 to $269.95, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F3 (price): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $270.01 to $270.89, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F4 (price): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $271.09 to $271.72, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F5 (price): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $272.335 to $272.78, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F1 (shares): Mr. Bittner was granted 762 restricted shares of Class B Common Stock on March 15, 2026. The restricted shares vest as follows: 254 shares vest as of March 15, 2027; 254 shares vest as of March 15, 2028; and 254 shares vest as of March 15, 2029.
Footnote F2 (shares): Mr. Tuweiq was granted 5,081 restricted shares of Class B Common Stock on March 15, 2026. The restricted shares vest as follows: 1,694 shares vest as of March 15, 2027; 1,694 shares vest as of March 15, 2028; and 1,693 shares vest as of March 15, 2029.
Footnote F1 (shares): Mr. Gilbert was granted 1,965 restricted shares of Class B Common Stock on March 15, 2026. The restricted shares vest as follows: 655 shares vest as of March 15, 2027; 655 shares vest as of March 15, 2028; and 655 shares vest as of March 15, 2029.
Footnote F1 (shares): Mr. Segall 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.
Footnote F2 (shares): 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.
Footnote F2 (shares): Mr. Berry was granted 419 restricted shares of Class B Common Stock on March 15, 2026. The restricted shares vest as follows: 140 shares vest as of March 15, 2027; 140 shares vest as of March 15, 2028; and 139 shares vest as of March 15, 2029.
Footnote F1 (shares): Mr. Lai was granted 329 restricted shares of Class B Common Stock on March 15, 2026. The restricted shares vest as follows: 110 shares vest as of March 15, 2027; 110 shares vest as of March 15, 2028; and 109 shares vest as of March 15, 2029.
Footnote F2 (shares): Mr. Bernstein was granted 1,429 restricted shares of Class B Common Stock on March 15, 2026. The restricted shares vest as follows: 476 shares vest as of March 15, 2027; 476 shares vest as of March 15, 2028; and 477 shares vest as of March 15, 2029.
Footnote F2 (shares): Mr. Dawson was granted 920 restricted shares of Class B Common Stock on March 15, 2026. The restricted shares vest as follows: 307 shares vest as of March 15, 2027; 307 shares vest as of March 15, 2028; and 306 shares vest as of March 15, 2029.
Footnote F1 (shares): 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.
Footnote F1 (shares): Mr. Valletta was granted 1,965 restricted shares of Class B Common Stock on March 15, 2026. The restricted shares vest as follows: 655 shares vest as of March 15, 2027; 655 shares vest as of March 15, 2028; and 655 shares vest as of March 15, 2029.
Footnote F1 (shares): Dr. Smith 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.
Footnote F2 (shares): Ms. Kozlovsky was granted 437 restricted shares of Class B Common Stock on March 15, 2026. The restricted shares vest as follows: 146 shares vest as of March 15, 2027; 146 shares vest as of March 15, 2028; and 145 shares vest as of March 15, 2029.
Footnote F1 (shares): Mr. Smelker was granted 3,049 restricted shares of Class B Common Stock on March 15, 2026. The restricted shares vest as follows: 1,016 shares vest as of March 15, 2027; 1,016 shares vest as of March 15, 2028; and 1,017 shares vest as of March 15, 2029.
Footnote F2 (shares): The number of shares held in the 401(k) plan is estimated.
Footnote F1 (shares): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $215.62 to $216.56, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F2 (shares): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $216.92 to $217.75, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F3 (shares): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $218.43 to $218.46, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F4 (shares): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $233.28 to $234.26, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F5 (shares): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $234.28 to $235.22, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F6 (shares): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $235.35 to $236.30, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F7 (shares): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $236.40 to $237.38, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F8 (shares): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $237.40 to $238.32, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F1 (shares): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $238.38 to $239.00, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F1 (price): 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… Full note on SEC EDGAR
Footnote F2 (price): 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… Full note on SEC EDGAR
Footnote F3 (price): 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… Full note on SEC EDGAR
Footnote F4 (price): 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… Full note on SEC EDGAR
Footnote F2 (price): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $139.84 to $148.72, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F3 (price): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $138.46 to $144.27, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F1 (price): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $139.84 to $148.72, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F2 (price): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $138.46 to $144.27, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F2 (price): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $139.84 to $148.72, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
Footnote F3 (price): This price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $138.46 to $144.27, inclusive. The reporting person undertakes to provide to Bel Fuse Inc. (the "Company"), any security holder of the Company, or… Full note on SEC EDGAR
An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
BEL FUSE INC /NJ (BELFB) had 3 insider filings in the last 90 days, with the most recent on 2026-09-15. The full record for BELFB runs to 33 Form 4 filings, the earliest from 2024-11-22. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying BELFB stock?
No insider purchases of BELFB were filed in the last 90 days.
How many insiders are selling BELFB stock?
3 insider sales of BELFB were filed in the last 90 days, totaling $477K.
Where can I see BELFB SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects BELFB Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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