MasterBrand, Inc. — Director's Dealing 2025

Mar 17, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MasterBrand, Inc. (MBC)
CIK: 0001941365
Period of Report: 2025-03-13

Reporting Person: Simon Andrea Helen (EVP & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-13	Common Stock, par value $0.01 per share	A	48946	$13.28	Acquired	294090	Direct

Footnotes

F1: Represents shares of restricted stock units ("RSUs") granted to the reporting person. Each restricted stock unit represents a contingent right to receive one share of common stock of MasterBrand, Inc. The RSUs vest in equal one-third increments over three years beginning on February 28, 2026.

F2: Includes a total of 173,778 restricted stock units that have not yet vested.