What are Peter Bittner’s Bel Fuse share holdings after this grant?

Following the grant, Peter Bittner directly owns 3,968 Class B shares of Bel Fuse. He also has indirect holdings in a 401(k) plan of 1,384 Class B shares and 11 Class A shares, with the 401(k) share counts described as estimated.

Bel Fuse (BELFB) grants 762 Class B restricted shares to executive

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Bittner Peter reported acquisition or exercise transactions in this Form 4 filing.

Bel Fuse Inc. reported that executive Peter Bittner, President – Connectivity Solution, received a grant of 762 restricted shares of Class B Common Stock on March 15, 2026 at no cost. These restricted shares vest in three equal installments of 254 shares each on March 15, 2027, March 15, 2028, and March 15, 2029.

After this equity award, Bittner directly holds 3,968 Class B shares and also has indirect holdings through a 401(k) plan of 1,384 Class B shares and 11 Class A shares, with the 401(k) amounts described as estimated.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Bittner Peter

Role Pres. - Connectivity Solution

Type	Security	Shares	Price	Value
Grant/Award	Class B Common Stock	762	$0.00	--
holding	Class B Common Stock	--	--	--
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class B Common Stock — 3,968 shares (Direct); Class B Common Stock — 1,384 shares (Indirect, By 401(k) Plan); Class A Common Stock — 11 shares (Indirect, By 401(k) plan)

Footnotes (1)

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

Form 4 Insider Transactions: What Each Field Means →

03/17/2026 - 04:53 PM

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
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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)
03/15/2026

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	03/15/2026		A		762⁽¹⁾	A	$0	3,968	D
Class B Common Stock								1,384⁽²⁾	I	By 401(k) Plan
Class A Common Stock								11⁽²⁾	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. 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.

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

	/s/ Lynn Hutkin	03/17/2026
	** 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

FAQ

What insider transaction did Bel Fuse (BELFB) report for Peter Bittner?

Bel Fuse reported that executive Peter Bittner received a grant of 762 restricted Class B shares on March 15, 2026. The shares were awarded at no cost as equity compensation and will vest over three annual installments through March 15, 2029.

How do Peter Bittner’s new Bel Fuse restricted shares vest over time?

The 762 restricted Class B shares granted to Peter Bittner vest in three equal tranches of 254 shares. Vesting occurs on March 15, 2027, March 15, 2028, and March 15, 2029, aligning the award with multi-year service and performance at Bel Fuse.

Did Peter Bittner buy or sell Bel Fuse stock in this Form 4 filing?

The Form 4 shows an acquisition via equity grant, not an open-market buy or sale. Bittner received 762 restricted Class B shares at zero price as compensation, with no reported sales of Bel Fuse stock in this specific filing.

How is Peter Bittner’s Bel Fuse stock held through his 401(k) plan reported?

The filing shows indirect ownership of Bel Fuse shares through a 401(k) plan, listing 1,384 Class B and 11 Class A shares. A footnote explains that the number of shares held in the 401(k) plan is estimated, indicating these amounts may not be exact.