Malibu Boats awards director Buch 4,562 stock units

The fully vested stock units are payable in equivalent Class A common shares upon a specified payment event.

Available on EDGAR 11/04/2026 - 04:37 PM EST Accepted by SEC EDGAR 11/04/2026 - 04:37 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Malibu Boats, Inc. director James R. Buch acquired 4,562 stock units on November 3, 2026, under the Director’s Compensation Policy. The units are fully vested and payable in an equivalent number of Class A common shares upon the first of his separation from service, a change in control, or an in-service distribution date he elected. His reported direct position after the award was 41,205 shares, including stock units.

Insider Trade Summary

Grant/Award: 4,562 shares

Grant/Award 1 txn

Insider Buch James R.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock F1, F2, F3	4,562	$0.00	$0.00

Holdings After Transaction: Class A Common Stock — 41,205 shares (Direct)

Footnotes (3)

1. F1. In accordance with the Issuer's Director's Compensation Policy, the reporting person was issued an equity award of 4,562 stock units on November 3, 2026, for his service on the board of directors of the Issuer.
2. F2. The stock units are fully vested and payable in an equivalent number of shares of the Issuer's Class A Common Stock upon the first to occur of (A) the date of the reporting person's separation from service, (B) the occurrence of a change in control under the Issuer's equity incentive plans or (C) an in-service distribution date elected by the reporting person (each, a "Payment Event"). The reporting person may elect whether amounts becoming payable shall be paid in a lump-sum within 30 days following the Payment Event, or in annual installments over a period of 5 years or 10 years.
3. F3. Includes 9,853 stock units with vesting terms described in footnote 2 and 26,080 stock units that are fully vested and payable in an equivalent number of shares of the Issuer's Class A Common Stock upon or as soon as practicable, and in all events within 30 days, following the first to occur of (A) the date of the reporting person's separation from service or (B) the occurrence of a change in control under the Issuer's equity incentive plans.

Key Figures

Stock units awarded: 4,562 stock units Reported direct position after award: 41,205 shares Stock units with vesting terms described in footnote 2: 9,853 stock units +1 more

4 metrics

Stock units awarded 4,562 stock units Awarded November 3, 2026

Reported direct position after award 41,205 shares Includes stock units

Stock units with vesting terms described in footnote 2 9,853 stock units Included in the reported post-transaction position

Fully vested stock units payable after separation or change in control 26,080 stock units Included in the reported post-transaction position

Key Terms

stock units, Payment Event, in-service distribution date

3 terms

stock units financial

"issued an equity award of 4,562 stock units"

Stock units are individual pieces of ownership in a company, like slices of a pie that together make up the whole business. They matter to investors because each unit represents a claim on the company’s assets, profits and sometimes voting power, and changes in the number or value of these units affect ownership percentages, potential dividends and share dilution — all of which influence an investment’s worth.

Payment Event technical

"each, a "Payment Event""

in-service distribution date financial

"an in-service distribution date elected by the reporting person"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How can James R. Buch elect payment of the MBUU stock-unit award?

He may elect a lump-sum payment within 30 days following a Payment Event or annual installments over 5 years or 10 years.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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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^*

Buch James R.

(Last) (First) (Middle)

5075 KIMBERLY WAY

(Street)

LOUDON TENNESSEE 37774

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
MALIBU BOATS, INC. [ MBUU ]

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)
11/03/2026

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
Class A Common Stock	11/03/2026		A(1)(2)		4,562	A	$0	41,205(3)	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. In accordance with the Issuer's Director's Compensation Policy, the reporting person was issued an equity award of 4,562 stock units on November 3, 2026, for his service on the board of directors of the Issuer.

2. The stock units are fully vested and payable in an equivalent number of shares of the Issuer's Class A Common Stock upon the first to occur of (A) the date of the reporting person's separation from service, (B) the occurrence of a change in control under the Issuer's equity incentive plans or (C) an in-service distribution date elected by the reporting person (each, a "Payment Event"). The reporting person may elect whether amounts becoming payable shall be paid in a lump-sum within 30 days following the Payment Event, or in annual installments over a period of 5 years or 10 years.

3. Includes 9,853 stock units with vesting terms described in footnote 2 and 26,080 stock units that are fully vested and payable in an equivalent number of shares of the Issuer's Class A Common Stock upon or as soon as practicable, and in all events within 30 days, following the first to occur of (A) the date of the reporting person's separation from service or (B) the occurrence of a change in control under the Issuer's equity incentive plans.

Remarks:

	JAMES R. BUCH, /s/ Brooke Zinter as attorney-in-fact	11/04/2026
	** 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)