Andrea H. Simon - 03 Jun 2026 Form 4 Insider Report for MasterBrand, Inc. (MBC)

Reporting relationship: EVP & CFO
Issuer ticker: MBC
Reported as of: 03 Jun 2026
Net transaction value: +$42,800
SEC form: 4
Accepted by SEC: 05 Jun 2026, 16:36:08 UTC
Prior SEC filing: 27 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Andrean R. Horton, attorney-in-fact for Andrea H. Simon

Key filing fact

Andrea H. Simon filed Form 4 for MasterBrand, Inc. (MBC) on 05 Jun 2026.

Key facts

This page summarizes Andrea H. Simon's Form 4 filing for MasterBrand, Inc. (MBC).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 05 Jun 2026, 16:36.

Change

Previous filing in this sequence was filed on 27 Apr 2026.
Current net transaction value: +$42,800.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001955154 Primary reporting owner

Simon Andrea Helen

Relationship: EVP & CFO
Address: 3300 ENTERPRISE PARKWAY, SUITE 300, BEACHWOOD
Signature: /s/ Andrean R. Horton, attorney-in-fact for Andrea H. Simon
Signature date: 05 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MBC transaction

Common Stock, par value $0.01 per share

Award

Transaction value
Shares: +105,018
Change %: +27%
Price: $0.000000^*
Shares after: 492,341
Date: 03 Jun 2026
Ownership: Direct
Footnotes: F1, F2

MBC transaction

Common Stock, par value $0.01 per share

Purchase

Transaction value: $42,800
Shares: +5,000
Change %: +1%
Price: $8.56
Shares after: 497,341
Date: 04 Jun 2026
Ownership: Direct
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents shares of restricted stock units ("RSUs") granted to the reporting person. Each RSU represents a contingent right to receive one share of common stock of MasterBrand, Inc. The RSUs vest as follows: (i) 17,503 in equal one-third increments over three years beginning on June 3, 2027 and (ii) 87,515 in equal one-half increments on June 3, 2028 and June 3, 2029.

Footnote F2

Includes 244,973 RSUs that have not yet vested.