Bel Fuse director sells $96K in Class B stock

Rhea-AI Filing Summary

BEL FUSE INC /NJ (BELFA) director Vincent Vellucci reported selling 393 shares of Class B Common Stock on September 2, 2026 in an open market or private transaction at a weighted average price of $243.61 per share, with individual trade prices ranging from $243.61 to $243.65.

After this sale, Vellucci directly holds 8,434 shares of Bel Fuse Class B Common Stock. No Rule 10b5-1 trading plan is reported for this transaction.

Insider Trade Summary

Net Seller: 393 shares

Net Sell 1 txn

Insider Vellucci Vincent

Role Director

Sold 393 shs ($96K)

Type	Security	Shares	Price	Value
Sale	Class B Common Stock F1	393	$243.61	$96K

Holdings After Transaction: Class B Common Stock — 8,434 shares (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

Shares sold: 393 shares Weighted average sale price: $243.61 per share Sale price range: $243.61–$243.65 per share +2 more

5 metrics

Shares sold 393 shares Class B Common Stock sale on September 2, 2026

Weighted average sale price $243.61 per share Class B Common Stock sold on September 2, 2026

Sale price range $243.61–$243.65 per share Individual trades within the September 2, 2026 sale

Total sale value (approximate) $95,737.73 393 shares at a weighted average price of $243.61

Shares owned after transaction 8,434 shares Direct holdings of Class B Common Stock after the sale

Key Terms

Class B Common Stock, weighted average price, open market or private transaction

3 terms

Class B Common Stock financial

"393 shares of Class B Common Stock on September 2, 2026"

A class B common stock is one of multiple types of a company’s ordinary shares that carries specific rights—often different voting power or dividend priority—compared with other classes. For investors it matters because those differences affect how much influence you have over company decisions, the income you might receive, and how freely the shares trade; think of it like owning a car with different keys: some keys let you start the engine and open the trunk, others only unlock the door.

weighted average price financial

"The price reported is a weighted average price"

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

open market or private transaction financial

"Sale in open market or private transaction"

FAQ

What insider transaction did Bel Fuse Inc. (BELFA) report for Vincent Vellucci?

Bel Fuse Inc. reported that director Vincent Vellucci sold 393 shares of Class B Common Stock on September 2, 2026 in a sale classified as an open market or private transaction.

At what price were the BELFA Class B shares sold in this Form 4?

The filing reports a weighted average price of $243.61 per share for the 393 shares sold, with the individual transaction prices ranging from $243.61 to $243.65 per share.

How many BELFA Class B shares does Vincent Vellucci own after the reported sale?

After the reported sale, Vincent Vellucci directly owns 8,434 shares of Bel Fuse Inc. Class B Common Stock, as stated in the Form 4 following the September 2, 2026 transaction.

What is the approximate total value of the BELFA shares sold by Vincent Vellucci?

Multiplying the 393 shares sold by the $243.61 weighted average price implies an approximate transaction value of about $95,738, based on the figures stated in the filing.

Was the September 2, 2026 BELFA insider sale made under a Rule 10b5-1 trading plan?

No. The Form 4 indicates that the Rule 10b5-1 checkbox is not affirmed, so no Rule 10b5-1 trading plan is reported in connection with this September 2, 2026 sale.

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Available on EDGAR 09/04/2026 - 11:23 AM Accepted by SEC EDGAR 09/04/2026 - 11:22 AM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Vellucci Vincent

(Last) (First) (Middle)

C/O BEL FUSE INC.

300 EXECUTIVE DRIVE, SUITE 300

(Street)

WEST ORANGE NEW JERSEY 07052

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
BEL FUSE INC /NJ [ BELFB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/02/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class B Common Stock	09/02/2026		S		393(1)	D	$243.61	8,434	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

	/s/ Lynn Hutkin	09/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)