[Form 4] MARINE PRODUCTS CORP Insider Trading Activity

Marine Products Group director Gary A. Kolstad reported an "other" transaction involving 4,651 shares of common stock.

Rhea-AI Filing Summary

Marine Products Group director Gary A. Kolstad reported an "other" transaction involving 4,651 shares of common stock. According to the merger agreement with MasterCraft Boat Holdings, each Marine Products share was exchanged for the right to receive 0.232 shares of MasterCraft common stock plus $2.43 in cash. Following this merger-related exchange, Kolstad reported 0 shares of Marine Products common stock owned directly.

Insider Trade Summary

Other: 4,651 shares

Other 1 txn

Insider Kolstad Gary A

Role Director

Type	Security	Shares	Price	Value
Other	Common Stock, $.10 Par Value	4,651	$8.18	$38K

Holdings After Transaction: Common Stock, $.10 Par Value — 0 shares (Direct)

Footnotes (1)

1. F1. The reported securities were disposed of pursuant to the terms of the Agreement and Plan of Merger (the "Merger Agreement"), dated as of February 5, 2026, by and among MasterCraft Boat Holdings, Inc., a Delaware corporation ("MasterCraft"). Upon effectiveness of the merger, in exchange for each share of Common Stock, the reporting person received the right to receive 0.232 shares of MasterCraft Common Stock, par value $0.01 per share and $2.43 in cash, without interest and less applicable withholding taxes.

Key Figures

Shares involved: 4,651 shares Transaction price: $8.18 per share Post-transaction holdings: 0 shares +3 more

6 metrics

Shares involved 4,651 shares Marine Products common stock in Kolstad Form 4 transaction

Transaction price $8.18 per share Value assigned to Marine Products shares in merger exchange

Post-transaction holdings 0 shares Marine Products common stock directly held after transaction

Stock consideration 0.232 shares MasterCraft common stock per Marine Products share in merger

Cash consideration $2.43 per share Cash paid for each Marine Products share in merger, before taxes

Restructuring shares 4,651 shares Shares tagged as restructuring in transaction summary

Key Terms

Agreement and Plan of Merger, MasterCraft Boat Holdings, Inc., Common Stock, $.10 Par Value, par value $0.01 per share, +2 more

6 terms

Agreement and Plan of Merger regulatory

"The reported securities were disposed of pursuant to the terms of the Agreement and Plan of Merger"

An Agreement and Plan of Merger is a formal document where two companies agree to combine into one, outlining how the process will happen. It’s like a step-by-step plan for merging, and it matters because it shows both sides have agreed on the details before the official transition takes place.

MasterCraft Boat Holdings, Inc. financial

"by and among MasterCraft Boat Holdings, Inc., a Delaware corporation ("MasterCraft")"

Common Stock, $.10 Par Value financial

"security_title: "Common Stock, $.10 Par Value""

par value $0.01 per share financial

"MasterCraft Common Stock, par value $0.01 per share and $2.43 in cash"

withholding taxes regulatory

"$2.43 in cash, without interest and less applicable withholding taxes"

Withholding taxes are amounts a payer or government takes out of payments — such as wages, interest, or dividends — before the recipient gets the money, functioning like a cashier keeping part of a bill to pay taxes on your behalf. For investors this matters because it reduces the cash they actually receive, affects net returns and yield calculations, and may require additional paperwork or treaty claims to recover or offset the withheld amount against final tax bills.

Other acquisition or disposition financial

"transaction_code_description: "Other acquisition or disposition""

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Accepted by SEC EDGAR 05/19/2026 - 05:36 PM EDT 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

X

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^*

Kolstad Gary A

(Last) (First) (Middle)

2801 BUFORD HIGHWAY

SUITE 300

(Street)

ATLANTA GEORGIA 30329

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
MARINE PRODUCTS GROUP, LLC [ MPX ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026

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

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

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

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
Common Stock, $.10 Par Value	05/15/2026		J		4,651	D	$8.18(1)	0	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. The reported securities were disposed of pursuant to the terms of the Agreement and Plan of Merger (the "Merger Agreement"), dated as of February 5, 2026, by and among MasterCraft Boat Holdings, Inc., a Delaware corporation ("MasterCraft"). Upon effectiveness of the merger, in exchange for each share of Common Stock, the reporting person received the right to receive 0.232 shares of MasterCraft Common Stock, par value $0.01 per share and $2.43 in cash, without interest and less applicable withholding taxes.

	/s/ Gary A Kolstad	05/19/2026
	** 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.
* Form 4: SEC 1474 (03-26)