Patrick S. Shannon - 03 Jun 2026 Form 4 Insider Report for MasterBrand, Inc. (MBC)

Reporting relationship: Director
Issuer ticker: MBC
Reported as of: 03 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 Jun 2026, 16:36:39 UTC
Prior SEC filing: 02 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Andrean R. Horton, attorney-in-fact for Patrick S. Shannon

Key filing fact

Patrick S. Shannon filed Form 4 for MasterBrand, Inc. (MBC) on 05 Jun 2026.

Key facts

This page summarizes Patrick S. Shannon's Form 4 filing for MasterBrand, Inc. (MBC).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 05 Jun 2026, 16:36.

Change

Previous filing in this sequence was filed on 02 Jun 2026.
Current net transaction value: $0.

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 0001589049 Primary reporting owner

Shannon Patrick S

Relationship: Director
Address: 3300 ENTERPRISE PARKWAY, SUITE 300, BEACHWOOD
Signature: /s/ Andrean R. Horton, attorney-in-fact for Patrick S. Shannon
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: +18,824
Change %: +82%
Price: $0.000000^*
Shares after: 41,672
Date: 03 Jun 2026
Ownership: Direct
Footnotes: F1, 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 on June 3, 2027.

Footnote F2

Includes a total of 31,893 RSUs that have not vested, the receipt of which has been deferred under the issuer's deferred compensation plan.