Malibu Boats director receives 901 stock units

The fully vested units settle in equivalent Class A shares after a qualifying event, with lump-sum or five- or 10-year installment choices.

Rhea-AI Filing Summary

Malibu Boats, Inc. (MBUU) director Mark W. Lanigan received 901 stock units on October 1, 2026, for the portion of his annual retainer earned for the quarter ended September 30, 2026; the reported price was $22.92 per share. His reported direct position afterward was 86,169 shares, including stock units. The fully vested units are payable in equivalent Class A common shares after a qualifying payment event.

Insider Trade Summary

Grant/Award: 901 shares

Grant/Award 1 txn

Insider Lanigan Mark W.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock F1, F2, F3	901	$22.92	$21K

Holdings After Transaction: Class A Common Stock — 86,169 shares (Direct)

Footnotes (3)

1. F1. Pursuant to the Issuer's Directors' Compensation Policy (the "Policy"), directors may elect that their cash annual retainer be converted into either fully vested (i) shares of the Issuer's Class A Common Stock or (ii) rights to receive an award of stock units that will be paid on a deferred basis. In accordance with the reporting person's election, the reporting person was issued 901 stock units for the portion of the annual retainer earned for the quarterly period ended September 30, 2026.
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 Long-Term Incentive Plan 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 19,695 stock units with vesting terms described in footnote 2 and 46,474 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 received: 901 stock units Reported transaction price: $22.92 per share Reported direct position after transaction: 86,169 shares +2 more

5 metrics

Stock units received 901 stock units For the portion of the annual retainer earned for the quarter ended September 30, 2026

Reported transaction price $22.92 per share October 1, 2026 stock-unit acquisition

Reported direct position after transaction 86,169 shares Includes stock units

Stock units with vesting terms described 19,695 stock units Included in the reported direct position

Fully vested stock units 46,474 stock units Included in the reported direct position

Key Terms

stock units, Payment Event, in-service distribution date

3 terms

stock units financial

"the reporting person was issued 901 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 financial

"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.

When and how are MBUU director Mark W. Lanigan’s stock units paid?

The 901 fully vested stock units are payable in equivalent Class A common shares upon the first of Lanigan’s separation from service, a change in control under Malibu Boats’ Long-Term Incentive Plan, or an in-service distribution date he elected. He may choose a lump sum within 30 days after the payment event or annual installments over five or 10 years.

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

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Available on EDGAR 10/01/2026 - 04:11 PM Accepted by SEC EDGAR 10/01/2026 - 04:11 PM 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

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^*

Lanigan Mark W.

(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)
10/01/2026

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	10/01/2026		A(1)(2)		901	A	$22.92	86,169(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. Pursuant to the Issuer's Directors' Compensation Policy (the "Policy"), directors may elect that their cash annual retainer be converted into either fully vested (i) shares of the Issuer's Class A Common Stock or (ii) rights to receive an award of stock units that will be paid on a deferred basis. In accordance with the reporting person's election, the reporting person was issued 901 stock units for the portion of the annual retainer earned for the quarterly period ended September 30, 2026.

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 Long-Term Incentive Plan 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 19,695 stock units with vesting terms described in footnote 2 and 46,474 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:

	MARK W. LANIGAN, /s/ Brooke Zinter as attorney-in-fact	10/01/2026
	** 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)