MasterBrand (MBC) director receives 18,824 RSUs in equity grant

Rhea-AI Filing Summary

Shannon Patrick S reported acquisition or exercise transactions in this Form 4 filing.

MasterBrand, Inc. director Shannon Patrick received a grant of 18,824 restricted stock units (RSUs), each representing one future share of common stock. The RSUs vest on June 3, 2027, meaning the shares are delivered only if service-based conditions are met.

After this award, Patrick is reported as holding 41,672 shares or RSUs in total, including 31,893 RSUs that have not yet vested and whose receipt has been deferred under the company’s deferred compensation plan. This is a compensation-related equity grant rather than an open-market purchase.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Shannon Patrick S

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.01 per share	18,824	$0.00	--

Holdings After Transaction: Common Stock, par value $0.01 per share — 41,672 shares (Direct, null)

Footnotes (1)

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 on June 3, 2027. Includes a total of 31,893 RSUs that have not vested, the receipt of which has been deferred under the issuer's deferred compensation plan.

Key Figures

RSUs granted: 18,824 shares Holdings after grant: 41,672 shares/RSUs Unvested deferred RSUs: 31,893 RSUs +2 more

5 metrics

RSUs granted 18,824 shares Restricted stock units granted on June 3, 2026

Holdings after grant 41,672 shares/RSUs Total reported holdings following the transaction

Unvested deferred RSUs 31,893 RSUs Unvested RSUs with receipt deferred under compensation plan

Vesting date June 3, 2027 Vesting date for the 18,824 newly granted RSUs

Grant price per RSU $0.00 per unit No cash paid by insider; compensation-related award

Key Terms

restricted stock units ("RSUs"), deferred compensation plan, vest

3 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.

deferred compensation plan financial

"have not vested, the receipt of which has been deferred under the issuer's deferred compensation plan."

A deferred compensation plan is an arrangement where an employer agrees to pay part of an employee’s pay or bonus at a later date instead of immediately, often to reduce current tax bills or to tie rewards to long-term performance. For investors it matters because these promises create future cash obligations and influence executive incentives and retention; they can affect a company’s reported liabilities, cash flow planning and the risk profile if the business faces financial trouble.

vest financial

"The RSUs vest on June 3, 2027."

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

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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^*

Shannon Patrick S

(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)

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

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		18,824(1)	A	$0	41,672(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 on June 3, 2027.

2. Includes a total of 31,893 RSUs that have not vested, the receipt of which has been deferred under the issuer's deferred compensation plan.

Remarks:

	/s/ Andrean R. Horton, attorney-in-fact for Patrick S. Shannon	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)

FAQ

What insider transaction did MasterBrand (MBC) report for Shannon Patrick?

MasterBrand reported a compensation-related equity grant to director Shannon Patrick. He received 18,824 restricted stock units, each convertible into one MasterBrand common share, rather than buying shares in the open market.

How many MasterBrand RSUs were granted to Shannon Patrick in this Form 4?

The Form 4 shows a grant of 18,824 restricted stock units to Shannon Patrick. Each RSU represents a contingent right to receive one share of MasterBrand common stock if the vesting conditions are satisfied.

When do Shannon Patrick’s newly granted MasterBrand RSUs vest?

The newly granted MasterBrand RSUs vest on June 3, 2027. Vesting means Patrick will receive the underlying common shares on that date if he meets the required service-based conditions set by the company.

Is Shannon Patrick’s MasterBrand RSU grant an open-market stock purchase?

No, the transaction is a grant of restricted stock units, not an open-market purchase. RSUs are typically awarded as part of director or executive compensation and convert into shares only when vesting conditions are met.

How many MasterBrand shares or RSUs does Shannon Patrick hold after this grant?

After the grant, Shannon Patrick is reported with 41,672 shares or RSUs in total. This includes 31,893 RSUs that have not vested and whose receipt has been deferred under MasterBrand’s deferred compensation plan.

What does it mean that 31,893 MasterBrand RSUs are deferred for Shannon Patrick?

It means 31,893 of his RSUs have not yet vested and their receipt is postponed under MasterBrand’s deferred compensation plan. He will receive the underlying shares later, once plan terms and vesting requirements are satisfied.