Bel Fuse executive sells 22,311 Class B shares

Q: What did Peter Bittner report in this Form 4 for BELFA?

Peter Bittner reported selling a total of 22,311 Bel Fuse Class B shares in open-market transactions. He executed one sale of 10,000 shares at $209.00 and another of 12,311 shares at $195.00 per share over two consecutive days.

Q: On what dates did the BELFA insider stock sales occur?

The reported Bel Fuse insider sales occurred on March 5 and March 6, 2026. On March 5, 10,000 Class B shares were sold at $209.00. On March 6, 12,311 Class B shares were sold at $195.00 in open-market transactions.

Q: How many Bel Fuse Class B shares did the insider sell in total?

The insider reported selling a total of 22,311 Bel Fuse Class B Common Stock shares. This total comes from two open-market sales: 10,000 shares at $209.00 per share and 12,311 shares at $195.00 per share on consecutive trading days.

Q: How many Bel Fuse shares does Peter Bittner hold after these transactions?

After these transactions, Peter Bittner directly holds 3,206 Bel Fuse Class B shares. In addition, he indirectly holds an estimated 1,385 Class B shares and 9 Class A shares through a 401(k) plan, with plan share counts disclosed as estimates.

Q: What type of transactions were reported in the BELFA Form 4 filing?

The Bel Fuse Form 4 filing reports open-market sales of Class B Common Stock, coded as “S” transactions. It also shows updated indirect holdings in a 401(k) plan, where the number of shares is described as estimated rather than an exact figure.

Bel Fuse Inc. executive Peter Bittner reported open-market sales of Class B Common Stock.

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Rhea-AI Filing Summary

Bel Fuse Inc. executive Peter Bittner reported open-market sales of Class B Common Stock. On March 5, he sold 10,000 shares at $209.00 each. On March 6, he sold 12,311 shares at $195.00 each, for total reported sales of 22,311 shares.

After these transactions, Bittner directly held 3,206 Class B shares. He also indirectly held an estimated 1,385 Class B shares and 9 Class A shares through a 401(k) plan, with the 401(k) amounts disclosed as estimates.

Insider Trade Summary

Net Seller: 22,311 shares

Net Sell 4 txns

Insider Bittner Peter

Role Pres. - Connectivity Solution

Sold 22,311 shs ($4.49M)

Type	Security	Shares	Price	Value
Sale	Class B Common Stock	12,311	$195.00	$2.40M
Sale	Class B Common Stock	10,000	$209.00	$2.09M
holding	Class B Common Stock	--	--	--
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class B Common Stock — 3,206 shares (Direct); Class B Common Stock — 1,385 shares (Indirect, By 401(k) Plan); Class A Common Stock — 9 shares (Indirect, By 401(k) plan)

Footnotes (1)

F1. The number of shares held in the 401(k) plan is estimated.

FAQ

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What did Peter Bittner report in this Form 4 for BELFA?

Peter Bittner reported selling a total of 22,311 Bel Fuse Class B shares in open-market transactions. He executed one sale of 10,000 shares at $209.00 and another of 12,311 shares at $195.00 per share over two consecutive days.

On what dates did the BELFA insider stock sales occur?

The reported Bel Fuse insider sales occurred on March 5 and March 6, 2026. On March 5, 10,000 Class B shares were sold at $209.00. On March 6, 12,311 Class B shares were sold at $195.00 in open-market transactions.

How many Bel Fuse Class B shares did the insider sell in total?

The insider reported selling a total of 22,311 Bel Fuse Class B Common Stock shares. This total comes from two open-market sales: 10,000 shares at $209.00 per share and 12,311 shares at $195.00 per share on consecutive trading days.

How many Bel Fuse shares does Peter Bittner hold after these transactions?

After these transactions, Peter Bittner directly holds 3,206 Bel Fuse Class B shares. In addition, he indirectly holds an estimated 1,385 Class B shares and 9 Class A shares through a 401(k) plan, with plan share counts disclosed as estimates.

What type of transactions were reported in the BELFA Form 4 filing?

The Bel Fuse Form 4 filing reports open-market sales of Class B Common Stock, coded as “S” transactions. It also shows updated indirect holdings in a 401(k) plan, where the number of shares is described as estimated rather than an exact figure.

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Accepted by SEC EDGAR 03/09/2026 - 04:43 PM EDT

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^*

Bittner Peter

(Last)

(First)

(Middle)

C/O BEL FUSE INC.

300 EXECUTIVE DRIVE, SUITE 300

(Street)

WEST ORANGE

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)
	Pres. - Connectivity Solution

3. Date of Earliest Transaction (Month/Day/Year)
03/05/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class B Common Stock	03/05/2026		S		10,000	D	$209	15,517	D
Class B Common Stock	03/06/2026		S		12,311	D	$195	3,206	D
Class B Common Stock								1,385⁽¹⁾	I	By 401(k) Plan
Class A Common Stock								9⁽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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

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

	/s/ Lloyd Jeglikowski, Attorney-in-Fact	03/09/2026
	** 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.

Source: View Original Filing on SEC EDGAR