MasterBrand, Inc. — Director's Dealing 2026

Mar 4, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MasterBrand, Inc. (MBC)
CIK: 0001941365
Period of Report: 2026-03-02

Reporting Person: Wanninger Kurt (EVP & Chief Operations Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-03-02	Common Stock, par value $0.01 per share	F	7540	$10.12	Disposed	211757	Direct

Footnotes

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).

F2: Includes 17,203 restricted stock units that have not yet vested, 676 shares held in the issuer's 401(k) plan, and 40,348 shares, the receipt of which has been deferred under the issuer's deferred compensation plan.