MasterBrand VP receives 11,669 RSUs

Young Mark A. reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Young Mark A. reported acquisition or exercise transactions in this Form 4 filing.

MasterBrand, Inc. reported that VP and Chief Accounting Officer Mark A. Young received a grant of 11,669 restricted stock units (RSUs) of common stock. The RSUs were granted at no cash cost and each unit represents a right to receive one share of MasterBrand common stock.

The RSUs vest in equal one-third installments over three years beginning on June 3, 2027, so full vesting extends through 2029 if service conditions are met. After this grant, Young holds a total of 73,020 shares and RSUs, including 49,238 RSUs that have not yet vested.

Insights

Equity compensation analyst

Routine RSU compensation grant with multi-year vesting, no open-market trading.

VP and Chief Accounting Officer Mark A. Young received 11,669 RSUs of MasterBrand, Inc. common stock as a compensation award. The grant has a zero dollar price, confirming it is not a market purchase but an equity incentive designed to align the executive with shareholders.

The RSUs vest in three equal annual tranches starting on June 3, 2027, extending the incentive horizon over several years. Following the grant, Young’s reported holdings total 73,020 shares and RSUs, including 49,238 RSUs that remain unvested. This looks like standard long-term incentive practice rather than a trading signal.

Insider Trade Summary

Grant/Award: 11,669 shares

Grant/Award 1 txn

Insider Young Mark A.

Role VP, Chief Accounting Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.01 per share	11,669	$0.00	$0.00

Holdings After Transaction: Common Stock, par value $0.01 per share — 73,020 shares (Direct)

Footnotes (2)

1. F1. Represents shares of restricted stock units ("RSUs") granted to the reporting person. Each RSU represents a contingent right to receive one share of common stock of MasterBrand, Inc. The RSUs vest in equal one-third increments over three years beginning on June 3, 2027.
2. F2. Includes 49,238 RSUs that have not yet vested.

Key Figures

RSUs granted: 11,669 RSUs Transaction price: $0.00 per share Total holdings after transaction: 73,020 shares/RSUs +2 more

5 metrics

RSUs granted 11,669 RSUs Grant to VP and Chief Accounting Officer on June 3, 2026

Transaction price $0.00 per share Equity compensation award, not a market purchase

Total holdings after transaction 73,020 shares/RSUs Reported holdings following RSU grant

Unvested RSUs included 49,238 RSUs Portion of holdings that have not yet vested

Vesting start date June 3, 2027 First one-third of RSUs vest on this date

Key Terms

restricted stock units ("RSUs"), contingent right, vest in equal one-third increments, common stock, par value $0.01 per share

4 terms

restricted stock units ("RSUs") financial

"Represents shares of restricted stock units ("RSUs") granted to the reporting person."

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

contingent right financial

"Each RSU represents a contingent right to receive one share of common stock"

vest in equal one-third increments financial

"The RSUs vest in equal one-third increments over three years"

common stock, par value $0.01 per share financial

"Common Stock, par value $0.01 per share"

FAQ

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

What insider transaction did MasterBrand (MBC) report for Mark A. Young?

MasterBrand reported that VP and Chief Accounting Officer Mark A. Young received a grant of 11,669 restricted stock units. These RSUs are an equity compensation award, not an open-market purchase, and each unit represents a contingent right to one share of MasterBrand common stock.

When do Mark A. Young’s newly granted MasterBrand RSUs vest?

The 11,669 RSUs granted to Mark A. Young vest in equal one-third installments over three years. Vesting begins on June 3, 2027, meaning the award will fully vest over the 2027–2029 period, assuming all service-based vesting conditions are satisfied.

How many MasterBrand shares and RSUs does Mark A. Young hold after this grant?

After the RSU grant, Mark A. Young is reported as holding 73,020 shares and RSUs of MasterBrand. This total includes 49,238 RSUs that have not yet vested, alongside already vested or directly held common stock, illustrating his overall equity-based exposure to the company.

Did Mark A. Young buy or sell MasterBrand (MBC) stock in this Form 4?

The Form 4 does not show any open-market buy or sell by Mark A. Young. Instead, it reports a grant of 11,669 restricted stock units as compensation, with a transaction price of $0.00 per share, indicating no cash-based trading took place in this filing.

What type of security was granted to Mark A. Young by MasterBrand?

MasterBrand granted Mark A. Young restricted stock units tied to its common stock, par value $0.01 per share. Each RSU represents a contingent right to receive one share of common stock, subject to the three-year, one-third-per-year vesting schedule beginning June 3, 2027.

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

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Accepted by SEC EDGAR 06/05/2026 - 04:36 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^*

Young Mark A.

(Last) (First) (Middle)

3300 ENTERPRISE PARKWAY

SUITE 300

(Street)

BEACHWOOD OHIO 44122

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
MasterBrand, Inc. [ MBC ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP, Chief Accounting Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/03/2026

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
Common Stock, par value $0.01 per share	06/03/2026		A		11,669(1)	A	$0	73,020(2)	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. Represents shares of restricted stock units ("RSUs") granted to the reporting person. Each RSU represents a contingent right to receive one share of common stock of MasterBrand, Inc. The RSUs vest in equal one-third increments over three years beginning on June 3, 2027.

2. Includes 49,238 RSUs that have not yet vested.

Remarks:

	/s/ Andrean R. Horton, attorney-in-fact for Mark A. Young	06/05/2026
	** 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)