Director Lanigan (MBUU) converts cash retainer into 780 Malibu Boats stock units

Rhea-AI Filing Summary

Malibu Boats director Mark W. Lanigan acquired 780 stock units tied to Class A Common Stock as part of his board compensation. Under the company’s Directors' Compensation Policy, he elected to convert a portion of his cash annual retainer for the quarter ended March 31, 2026 into fully vested stock units at a reference price of $25.92 per share. After this grant, his direct holdings reported in this filing total 84,523 shares or stock units. The footnotes state that these units are payable in an equivalent number of shares upon separation from service, a change in control, or an elected in-service distribution schedule, and note additional deferred stock units already accumulated.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Lanigan Mark W.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	780	$25.92	$20K

Holdings After Transaction: Class A Common Stock — 84,523 shares (Direct)

Footnotes (1)

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 780 stock units for the portion of the annual retainer earned for the quarterly period ended March 31, 2026. 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. Includes 18,049 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 granted: 780 stock units Reference price per unit: $25.92 per share Holdings after transaction: 84,523 shares/units +2 more

5 metrics

Stock units granted 780 stock units Portion of director annual retainer for quarter ended March 31, 2026

Reference price per unit $25.92 per share Value used for 780 stock units granted

Holdings after transaction 84,523 shares/units Total direct holdings reported following the grant

Deferred stock units (type 1) 18,049 stock units Units with payment terms described in footnote 2

Deferred stock units (fully vested) 46,474 stock units Fully vested units payable upon separation or change in control

Key Terms

Directors' Compensation Policy, stock units, change in control, Long-Term Incentive Plan, +1 more

5 terms

Directors' Compensation Policy financial

"Pursuant to the Issuer's Directors' Compensation Policy (the "Policy"), directors may elect that their cash annual retainer be converted"

stock units financial

"the reporting person was issued 780 stock units for the portion of the annual retainer"

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.

change in control financial

"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"

A "change in control" occurs when the ownership or management of a company shifts significantly, such as through a merger, acquisition, or sale of a large part of its assets. This change can impact how the company is run and may influence its future direction. For investors, it matters because it can affect the company's stability, strategy, and value, often signaling potential changes in investment risk or opportunity.

Long-Term Incentive Plan financial

"change in control under the Issuer's Long-Term Incentive Plan or (C) an in-service distribution date"

A long-term incentive plan is a company program that pays executives or employees with stock, options, or cash tied to multi-year performance goals, where the rewards become theirs only after meeting conditions over time. Think of it as a delayed bonus or retirement-style reward that aligns employees’ interests with shareholders by encouraging them to boost long-term value; investors watch these plans because they affect pay costs, share dilution and management incentives.

equity incentive plans financial

"change in control under the Issuer's equity incentive plans"

Equity incentive plans are company programs that pay employees, executives, or directors with company stock, stock options, or share units instead of or in addition to cash, aiming to align their interests with shareholders—like giving team members a stake in the house they help build. For investors this matters because such plans can motivate better company performance but also dilute existing ownership and increase reported compensation costs, so they affect future earnings, voting power, and share value.

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^*

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)
04/01/2026

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	04/01/2026		A(1)(2)		780	A	$25.92	84,523(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 780 stock units for the portion of the annual retainer earned for the quarterly period ended March 31, 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 18,049 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	04/02/2026
	** 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)

FAQ

What insider transaction did Malibu Boats (MBUU) director Mark W. Lanigan report?

Mark W. Lanigan reported acquiring 780 stock units linked to Malibu Boats Class A Common Stock. These units were issued in lieu of part of his cash retainer for the quarter ended March 31, 2026, under the company’s Directors' Compensation Policy.

How did Mark W. Lanigan receive the 780 Malibu Boats (MBUU) stock units?

Lanigan elected to convert a portion of his cash annual retainer into equity, receiving 780 fully vested stock units. This election is permitted under Malibu Boats’ Directors' Compensation Policy, which allows directors to take retainers in stock units instead of cash.

What are the payment terms for Mark W. Lanigan’s Malibu Boats (MBUU) stock units?

The stock units are fully vested and payable in an equal number of shares upon separation from service, a change in control, or an elected in-service distribution date. Payments may be made in a lump sum or annual installments over five or ten years.

How many Malibu Boats (MBUU) shares or units does Mark W. Lanigan hold after this Form 4 transaction?

Following this transaction, Lanigan’s direct holdings reported in the filing total 84,523 shares or stock units. Footnotes also reference additional deferred stock units with similar payout terms under the company’s equity and long-term incentive plans.

What existing deferred stock units does Mark W. Lanigan have at Malibu Boats (MBUU)?

Footnotes state that Lanigan’s holdings include 18,049 stock units with specified payment triggers and 46,474 fully vested stock units. These are payable in an equivalent number of Class A Common shares upon separation from service or a change in control under the company’s equity plans.