Bel Fuse (BELFA) director & 10% owner updates Class A and B holdings

Rhea-AI Filing Summary

Bel Fuse Inc. director and 10% owner reported sales of Class B common stock in mid‑November 2025. On 11/17/2025, the insider sold 2,323 Class B shares at a weighted average price of $144.2328, and on 11/18/2025 sold 677 Class B shares at a weighted average price of $141.9649. The prices reflect multiple trades in ranges from $139.84 to $148.72 and from $138.46 to $144.27, respectively.

After these transactions, the insider directly owns 28,750 Class B shares and 376,095 Class A shares, plus indirect holdings of 4,265 Class B shares through a spouse and an estimated 6,169 Class A shares in a 401(k) plan.

Insider Trade Summary

Net Seller: 3,000 shares ($431,163)

Net Sell 5 txns

Insider BERNSTEIN DANIEL

Role Director, 10% Owner

Sold 3,000 shs ($431K)

Type	Security	Shares	Price	Value
Sale	Class B Common Stock	677	$141.9649	$96K
Sale	Class B Common Stock	2,323	$144.2328	$335K
holding	Class B Common Stock	--	--	--
holding	Class A Common Stock	--	--	--
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class B Common Stock — 28,750 shares (Direct); Class B Common Stock — 4,265 shares (Indirect, By Wife); Class A Common Stock — 376,095 shares (Direct); Class A Common Stock — 6,169 shares (Indirect, By 401(k) plan)

Footnotes (1)

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

Form 4 Insider Transactions: What Each Field Means →

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^*

BERNSTEIN DANIEL

(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)

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

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		2,323	D	$144.2328(2)	29,427	D
Class B Common Stock	11/18/2025		S		677	D	$141.9649(3)	28,750	D
Class B Common Stock								4,265	I	By Wife
Class A Common Stock								376,095	D
Class A Common Stock								6,169(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.

FAQ

What insider activity did Bel Fuse (BELFA) report in this Form 4?

A director and 10% owner of Bel Fuse Inc. reported open‑market sales of Class B common stock on 11/17/2025 and 11/18/2025, along with updated share ownership.

How many Bel Fuse Class B shares did the insider sell and at what prices?

The insider sold 2,323 Class B shares on 11/17/2025 at a weighted average price of $144.2328 and 677 Class B shares on 11/18/2025 at a weighted average price of $141.9649.

What trading price ranges are disclosed for the Bel Fuse (BELFA) insider sales?

For the 11/17/2025 sale, trades occurred between $139.84 and $148.72. For the 11/18/2025 sale, trades occurred between $138.46 and $144.27.

How many Bel Fuse shares does the insider own after these transactions?

Following the sales, the insider holds 28,750 Class B shares directly, 4,265 Class B shares indirectly through a spouse, 376,095 Class A shares directly, and an estimated 6,169 Class A shares in a 401(k) plan.

What is the insider’s relationship to Bel Fuse Inc. (BELFA)?

The reporting person is identified as a Director and a 10% Owner of Bel Fuse Inc.

What does weighted average price mean in this Bel Fuse Form 4?

The filing states that each reported price is a weighted average of multiple trades within a stated price range and notes the insider will provide full trade‑level details upon request.