David D. Petratis - 08 Jun 2026 Form 4 Insider Report for MasterBrand, Inc. (MBC)

Reporting relationship: Director
Issuer ticker: MBC
Reported as of: 08 Jun 2026
Net transaction value: +$102,240
SEC form: 4
Accepted by SEC: 09 Jun 2026, 16:07:18 UTC
Prior SEC filing: 05 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Andrean R. Horton, attorney-in-fact for David D. Petratis

Key filing fact

David D. Petratis filed Form 4 for MasterBrand, Inc. (MBC) on 09 Jun 2026.

Key facts

This page summarizes David D. Petratis's Form 4 filing for MasterBrand, Inc. (MBC).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 09 Jun 2026, 16:07.

Change

Previous filing in this sequence was filed on 05 Jun 2026.
Current net transaction value: +$102,240.

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 0001299140 Primary reporting owner

PETRATIS DAVID D

Relationship: Director
Address: 3300 ENTERPRISE PARKWAY, SUITE 300, BEACHWOOD
Signature: /s/ Andrean R. Horton, attorney-in-fact for David D. Petratis
Signature date: 09 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

Purchase

Transaction value: $102,240
Shares: +11,587
Change %: +20%
Price: $8.82
Shares after: 69,915
Date: 08 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

The shares were purchased in multiple transactions at prices ranging from $8.80 to $8.85 per share. The price reported reflects the volume weighted average price for the transactions. The reporting person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

Footnote F2

Includes a total of 31,893 RSUs that have not vested and 26,435 shares, the receipt of which has been deferred under the issuer's deferred compensation plan.