MasterBrand (MBC) EVP Navneet Grewal reports tax-withholding share disposition

Rhea-AI Filing Summary

MasterBrand, Inc. EVP Navneet Grewal had shares withheld for taxes related to a vesting equity award. On this transaction, 10,790 shares of common stock were disposed of to cover withholding taxes rather than sold on the open market. After this tax-withholding transaction, Grewal directly owns 156,267 common shares, including 25,573 restricted stock units that have not yet vested.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Grewal Navneet

Role EVP, Chief Digital & Tech Off.

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock, par value $0.01 per share	10,790	$10.12	$109K

Holdings After Transaction: Common Stock, par value $0.01 per share — 156,267 shares (Direct)

Footnotes (1)

1. Reflects the withholding by the issuer of shares having a fair market value equal to the withholding taxes payable by the undersigned at the time the award vested and became payable, such transaction being exempt under Rule 16b-3(e). Includes 25,573 restricted stock units that have not yet vested.

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^*

Grewal Navneet

(Last) (First) (Middle)

3300 ENTERPRISE PARKWAY

SUITE 300

(Street)

BEACHWOOD OH 44122

(City) (State) (Zip)

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)
	EVP, Chief Digital & Tech Off.

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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	03/02/2026		F		10,790(1)	D	$10.12	156,267(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. Reflects the withholding by the issuer of shares having a fair market value equal to the withholding taxes payable by the undersigned at the time the award vested and became payable, such transaction being exempt under Rule 16b-3(e).

2. Includes 25,573 restricted stock units that have not yet vested.

Remarks:

	/s/ Andrean R. Horton, attorney-in-fact for Nanveet Grewal	03/04/2026
	** 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.

FAQ

What insider transaction did MasterBrand (MBC) report for Navneet Grewal?

MasterBrand reported a tax-related share disposition by EVP Navneet Grewal. The company withheld 10,790 common shares to satisfy withholding taxes when an equity award vested, a routine administrative transaction rather than an open-market trade.

Was the MasterBrand (MBC) Form 4 transaction an open-market sale?

No, the Form 4 shows a tax-withholding disposition, not an open-market sale. 10,790 shares were withheld by MasterBrand to cover Grewal’s tax obligations when restricted stock vested, as described under transaction code F and the related footnote.

How many MasterBrand (MBC) shares does Navneet Grewal own after the transaction?

After the tax-withholding disposition, Grewal directly holds 156,267 MasterBrand common shares. This total includes 25,573 restricted stock units that have not yet vested, as specified in the filing’s ownership figures and accompanying footnote.

What does transaction code F mean in the MasterBrand (MBC) Form 4?

Transaction code F indicates a tax-withholding disposition of shares. In this case, 10,790 MasterBrand shares were withheld by the issuer to pay withholding taxes due at vesting, rather than being bought or sold on the open market.

What role does Navneet Grewal hold at MasterBrand (MBC) in this Form 4?

In this Form 4, Navneet Grewal is identified as an officer of MasterBrand, serving as EVP, Chief Digital & Tech Officer. The reported transaction reflects equity compensation administration tied to that executive role, not a discretionary stock sale.