PETRATIS DAVID D 4

What Happened
Director David D. Petratis purchased 11,587 shares of MasterBrand, Inc. (MBC) in open‑market transactions on June 8, 2026. The reported total value of the purchases is $102,240; the filing reports a volume‑weighted average price of $8.82 per share (individual trade prices ranged $8.80–$8.85). This was a purchase (insider buy), which many investors view as a potentially bullish signal, though filings are factual and do not explain motivation.

Key Details

• Transaction type: Open‑market purchase (code P).
• Transaction date: 2026‑06‑08; Form 4 filed 2026‑06‑09 (appears timely).
• Shares acquired: 11,587 shares; VWAP reported at $8.82; per‑trade prices ranged $8.80–$8.85 (Footnote F1).
• Reported value: ~$102,240.
• Shares owned after transaction: not specified in the data provided. Footnote F2 notes the reporting person has 31,893 unvested restricted stock units (RSUs) and 26,435 shares deferred under the issuer’s deferred compensation plan.
• Additional note: F1 states the filer can provide the exact number of shares bought at each price upon request.

Context
This was a straightforward open‑market purchase (no options exercise, award, or gift). Purchases by directors are often watched by retail investors as a sign of insider conviction, but they are routine and do not by themselves prove future stock performance. The filing was submitted the next day and includes standard footnote disclosure about price details and deferred/unvested holdings.