[Form 4] BEL FUSE INC /NJ Insider Trading Activity

Bel Fuse Inc. officer and VP, President of Magnetic Solutions reported open-market sales of Class B Common Stock.

Rhea-AI Filing Summary

Bel Fuse Inc. officer and VP, President of Magnetic Solutions reported open-market sales of Class B Common Stock. On 11/17/2025, the insider sold 408 Class B shares at a weighted average price of $144.2328, and on 11/18/2025 sold an additional 119 Class B shares at a weighted average price of $141.9649.

After these transactions, the reporting person directly beneficially owned 17,774 Class B shares. They also indirectly held an estimated 1,360 Class B shares and 2,751 Class A shares through a 401(k) plan. The prices reflect multiple trades within disclosed ranges, and detailed trade breakdowns are available upon request as stated in the footnotes.

Insider Trade Summary

Net Seller: 527 shares

Net Sell 4 txns

Insider Berry Joseph

Role VP, Pres of Magnetic Solutions

Sold 527 shs ($76K)

Type	Security	Shares	Price	Value
Sale	Class B Common Stock	119	$141.9649	$17K
Sale	Class B Common Stock	408	$144.2328	$59K
holding	Class B Common Stock	--	--	--
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class B Common Stock — 17,774 shares (Direct); Class B Common Stock — 1,360 shares (Indirect, By 401(k) Plan); Class A Common Stock — 2,751 shares (Indirect, By 401(k) Plan)

Footnotes (3)

1. F1. The number of shares held in the 401(k) plan is estimated.
2. F2. 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 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 (2) to this Form 4.
3. F3. 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 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 (3) to this Form 4.

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Accepted by SEC EDGAR 11/19/2025 - 08:16 PM EST 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^*

Berry Joseph

(Last) (First) (Middle)

C/O BEL FUSE INC.

300 EXECUTIVE DRIVE, SUITE 300

(Street)

WEST ORANGE NJ 07052

(City) (State) (Zip)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP, Pres of Magnetic Solutions

3. Date of Earliest Transaction (Month/Day/Year)
11/17/2025

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

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

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

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	11/17/2025		S		408	D	$144.2328(2)	17,893	D
Class B Common Stock	11/18/2025		S		119	D	$141.9649(3)	17,774	D
Class B Common Stock								1,360(1)	I	By 401(k) Plan
Class A Common Stock								2,751(1)	I	By 401(k) Plan

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. The number of shares held in the 401(k) plan is estimated.

2. 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 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 (2) to this Form 4.

3. 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 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 (3) to this Form 4.

	/s/ Lloyd Jeglikowski, Attorney-in-Fact	11/19/2025
	** 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.