MBC

MasterBrand, Inc.

Consumer Cyclical Wood Household Furniture, (No Upholstered) Market cap: $1.3B All insider activity → Quote and statistics → Sign in to watch MBC Sign in to set a price alert

AI summary MasterBrand Insiders Buy Open-Market Shares Following Merger Completion

Insider Score Band 60–79

Research score: 62
AI adjustment: +9

Research score, not a recommendation.

Total bought$696.3K4 Form 4 purchases

Distinct insiders4open-market buyers

Lead insiderBanyard R DavidCEO

Cluster window2026-06-01 → 2026-06-11active

Market data

Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.

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Why this score

Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.

Breadth number & diversity of participating insiders

63%

Seniority executive rank of buyers (CEO/CFO/Director)

96%

Commitment purchase size relative to company & holdings

54%

Context buying into stock weakness signals conviction

87%

Timing coordinated purchases within a tight window

98%

Routine-purchase discount × 1.00

Company-type / offering discount × 1.00

Net insider selling penalty − 7

Why are they buying?

AI · discretionary · catalyst credible · documented

Top executives and directors, including CEO R. David Banyard and Director David D. Petratis, made notable open-market purchases shortly after MasterBrand successfully completed its all-stock merger with American Woodmark on May 28, 2026, and amidst a pullback in the company's share price.

The strategic combination with American Woodmark establishes a leading North American cabinet manufacturer targeted to unlock $90 million in annual run-rate cost synergies, providing a fundamental backdrop for insider open-market accumulation.

Filing references and sources

Stock Price & Insider Purchase History

Daily close price with open-market insider purchases plotted over time

Loading price history…

Transactions

4 Form 4 trades · 4 insiders Sign in to download CSV

Purchases in this cluster, grouped by insider, largest first
Date	Insider	Role	Shares	Price	Value	Filing
2026-06-01	Banyard R David history of Banyard R David's purchases	CEO	60,000	$8.43	$505.8K	SEC filing for Banyard R David (opens in a new tab)
2026-06-08	PETRATIS DAVID D history of PETRATIS DAVID D's purchases	Director	11,587	$8.82	$102.2K	SEC filing for PETRATIS DAVID D (opens in a new tab)
2026-06-11	Fracassa Philip D. history of Fracassa Philip D.'s purchases	Director	5,000	$9.11	$45.5K	SEC filing for Fracassa Philip D. (opens in a new tab)
2026-06-04	Simon Andrea Helen history of Simon Andrea Helen's purchases	CFO	5,000	$8.56	$42.8K	SEC filing for Simon Andrea Helen (opens in a new tab)
Total					$696.3K

What happened next

A run ends after a pause in the buying, so one company can have several. Returns are the stock's return minus its benchmark's (IWM for small companies, SPY otherwise), from the first open after the run became a cluster. Past results, not a forecast.

After this run became a cluster: 21 days -4.4%63 days -17.9%126 days –