Mark A. Young - 02 Mar 2026 Form 4 Insider Report for MasterBrand, Inc. (MBC)

Role
VP, Chief Accounting Officer
Signature
/s/ Andrean R. Horton, attorney-in-fact for Mark A. Young
Issuer symbol
MBC
Transactions as of
02 Mar 2026
Net transactions value
$0
Form type
4
Filing time
04 Mar 2026, 17:29:33 UTC
Previous filing
17 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Young Mark A. VP, Chief Accounting Officer 3300 ENTERPRISE PARKWAY, SUITE 300, BEACHWOOD /s/ Andrean R. Horton, attorney-in-fact for Mark A. Young 04 Mar 2026 0001630133

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MBC Common Stock, par value $0.01 per share Tax liability -4,226 -8% $10.12* 48,844 02 Mar 2026 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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 13,297 restricted stock units that have not yet vested.