MasterBrand EVP reports tax-withholding share disposal

MasterBrand, Inc. executive Andrean Horton reported a tax-withholding disposition of 11,706 shares of common stock at $10.12 per share.

Rhea-AI Filing Summary

MasterBrand, Inc. executive Andrean Horton reported a tax-withholding disposition of 11,706 shares of common stock at $10.12 per share. The shares were withheld by the company to cover taxes when an equity award vested. After this transaction, Horton beneficially owns 130,759 shares, including 22,365 unvested restricted stock units.

Insider Trade Summary

Exercise Price or Tax Liability: 11,706 shares

Exercise Price or Tax Liability 1 txn

Insider Horton Andrean

Role EVP, CLO & Secretary

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock, par value $0.01 per share	11,706	$10.12	$118K

Holdings After Transaction: Common Stock, par value $0.01 per share — 130,759 shares (Direct)

Footnotes (2)

1. F1. 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. F2. Includes 22,365 restricted stock units that have not yet vested.

FAQ

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

What insider transaction did MasterBrand (MBC) report for Andrean Horton?

MasterBrand reported a tax-withholding disposition of 11,706 common shares for executive Andrean Horton. The company withheld these shares at $10.12 per share to cover taxes due when an equity award vested and became payable under Rule 16b-3(e).

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

No, the transaction was not an open-market sale. It was a tax-withholding disposition where MasterBrand withheld 11,706 shares at $10.12 per share to satisfy Horton's withholding tax obligations when a stock award vested and became payable.

How many MasterBrand (MBC) shares does Andrean Horton own after the transaction?

After the transaction, Andrean Horton beneficially owns 130,759 MasterBrand common shares. This total includes 22,365 restricted stock units that have not yet vested, as disclosed, and reflects her direct ownership position following the tax-withholding disposition of 11,706 shares.

What price was used for the MasterBrand (MBC) tax-withholding shares?

The tax-withholding disposition used a price of $10.12 per MasterBrand common share. At that price, 11,706 shares were withheld by the issuer, representing shares with a fair market value equal to the withholding taxes due when the award vested.

What does the Form 4 footnote disclose about MasterBrand (MBC) restricted stock units?

The footnote states that Andrean Horton’s holdings include 22,365 restricted stock units that have not yet vested. These units are part of her reported beneficial ownership total of 130,759 shares but will only settle into actual shares once their vesting conditions are met.

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

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Accepted by SEC EDGAR 03/04/2026 - 05:29 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^*

Horton Andrean

(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, CLO & Secretary

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		11,706(1)	D	$10.12	130,759(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 22,365 restricted stock units that have not yet vested.

Remarks:

	/s/ Andrean R. Horton	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.