Bel Fuse (NASDAQ: BELFB) VP sells 552 shares and receives 329 restricted shares

Rhea-AI Filing Summary

Bel Fuse Inc. Vice President of Asia Operations Kenneth Koon Keung Lai reported both a stock award and a small sale of Class B Common Stock. On March 15, 2026, he acquired 329 restricted shares as a grant, with 110 shares vesting on March 15, 2027, 110 on March 15, 2028, and 109 on March 15, 2029. On March 16, 2026, he sold 552 shares in an open-market transaction at $203.21 per share and held 7,532 shares of Class B Common Stock afterward, indicating he retained most of his position.

Insider Trade Summary

Net Seller: 552 shares ($112,172)

Net Sell 2 txns

Insider Lai Kenneth Koon Keung

Role VP of Asia Operations

Sold 552 shs ($112K)

Type	Security	Shares	Price	Value
Sale	Class B Common Stock	552	$203.21	$112K
Grant/Award	Class B Common Stock	329	$0.00	--

Holdings After Transaction: Class B Common Stock — 7,532 shares (Direct)

Footnotes (1)

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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^*

Lai Kenneth Koon Keung

(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 of Asia Operations

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)
			Code	V	Amount	(A) or (D)	Price
Class B Common Stock	03/15/2026		A		329(1)	A	$0	8,084	D
Class B Common Stock	03/16/2026		S		552	D	$203.21	7,532	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. Mr. Lai was granted 329 restricted shares of Class B Common Stock on March 15, 2026. The restricted shares vest as follows: 110 shares vest as of March 15, 2027; 110 shares vest as of March 15, 2028; and 109 shares vest as of March 15, 2029.

	/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.

FAQ

What insider transactions did Bel Fuse (BELFB) VP Kenneth Lai report?

Kenneth Lai reported a grant and a sale. He received 329 restricted Class B shares on March 15, 2026, and sold 552 Class B shares on March 16, 2026, in an open-market transaction at $203.21 per share.

How many Bel Fuse (BELFB) shares did Kenneth Lai sell and at what price?

Kenneth Lai sold 552 Class B shares. The open-market sale occurred on March 16, 2026, at a price of $203.21 per share, representing a relatively small portion of his overall direct holdings after the transaction.

What stock award did Kenneth Lai receive from Bel Fuse (BELFB)?

He received 329 restricted Class B shares. The grant on March 15, 2026 vests over three years: 110 shares on March 15, 2027, 110 shares on March 15, 2028, and 109 shares on March 15, 2029, subject to continued service.

How many Bel Fuse (BELFB) shares does Kenneth Lai hold after these transactions?

Kenneth Lai holds 7,532 Class B shares after the sale. Following the March 16, 2026 open-market sale of 552 shares, his directly owned Class B Common Stock position reported in the filing stands at 7,532 shares.

Are Kenneth Lai’s Bel Fuse (BELFB) transactions market purchases or compensation-related?

The filing shows both compensation and market activity. The 329-share award is compensation in the form of restricted stock, while the 552-share transaction is an open-market sale of Class B Common Stock at $203.21 per share.