MasterBrand director receives 18,824 RSUs

CHUGG JULIANA L reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

CHUGG JULIANA L reported acquisition or exercise transactions in this Form 4 filing.

MasterBrand, Inc. director Juliana L. Chugg received a grant of 18,824 restricted stock units (RSUs) of common stock as compensation. Each RSU represents a right to receive one MasterBrand share and will vest on June 3, 2027, if vesting conditions are met. After this award, her reported holdings total 65,317 shares and RSUs, including 31,893 RSUs that have not yet vested, of which 18,824 RSUs are deferred under the company’s deferred compensation plan.

Insider Trade Summary

Grant/Award: 18,824 shares

Grant/Award 1 txn

Insider CHUGG JULIANA L

Role Director

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

Holdings After Transaction: Common Stock, par value $0.01 per share — 65,317 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 on June 3, 2027.
2. F2. Includes a total of 31,893 RSUs that have not vested, of which the receipt of 18,824 RSUs has been deferred under the issuer's deferred compensation plan.

Key Figures

RSU grant: 18,824 RSUs Grant price: $0.00 per share Post-transaction holdings: 65,317 shares/RSUs +3 more

6 metrics

RSU grant 18,824 RSUs Granted on June 3, 2026 to director Juliana L. Chugg

Grant price $0.00 per share Compensation award, not an open-market purchase

Post-transaction holdings 65,317 shares/RSUs Total reported holdings following the RSU grant

Unvested RSUs 31,893 RSUs Total unvested restricted stock units reported

Deferred RSUs 18,824 RSUs RSUs deferred under deferred compensation plan

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

Key Terms

restricted stock units ("RSUs"), contingent right, deferred compensation plan

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.

contingent right financial

"Each RSU represents a contingent right to receive one share of common stock of MasterBrand, Inc."

deferred compensation plan financial

"of which the receipt of 18,824 RSUs 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.

FAQ

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

What did MasterBrand (MBC) director Juliana Chugg receive in this Form 4 filing?

Director Juliana Chugg received 18,824 restricted stock units (RSUs) of MasterBrand common stock as a compensation grant. These RSUs provide a right to receive shares in the future, subject to vesting conditions and the stated vesting date.

When do Juliana Chugg’s newly granted MasterBrand (MBC) RSUs vest?

The 18,824 restricted stock units granted to Juliana Chugg vest on June 3, 2027. Vesting means the RSUs convert into actual shares of MasterBrand common stock, assuming she satisfies any applicable service or other vesting conditions through that date.

How many MasterBrand (MBC) shares and RSUs does Juliana Chugg hold after this grant?

Following this grant, Juliana Chugg’s reported holdings total 65,317 MasterBrand shares and RSUs. This figure includes both vested holdings and unvested restricted stock units disclosed in the filing as part of her overall equity position.

How many unvested RSUs does Juliana Chugg have in MasterBrand (MBC)?

The filing states that Juliana Chugg holds 31,893 unvested restricted stock units in total. These RSUs have not yet converted into MasterBrand common stock and remain subject to future vesting conditions and applicable plan terms.

What portion of Juliana Chugg’s MasterBrand (MBC) RSUs is deferred?

Of the 31,893 unvested RSUs reported, 18,824 RSUs have been deferred under MasterBrand’s deferred compensation plan. Deferral means receipt of these RSUs is postponed according to the plan’s rules and her elected or required deferral terms.

Was this MasterBrand (MBC) Form 4 transaction an open-market stock purchase?

No, the transaction was reported with code A as a grant or award acquisition, not an open-market purchase. Juliana Chugg received RSUs at no cash cost per share as part of her compensation rather than buying shares in the market.

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^*

CHUGG JULIANA L

(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	65,317(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, of which the receipt of 18,824 RSUs has been deferred under the issuer's deferred compensation plan.

Remarks:

	/s/ Andrean R. Horton, attorney-in-fact for Juliana L. Chugg	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)