InsiderTrades

Form 4 for MBC MasterBrand, Inc.

Accepted 2026-03-18 00:00:00 ET · period of report 2026-03-16 · accession 0001628280-26-019452 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-03-18 2026-03-16 MBC Young Mark A. VP, CAO A - Grant $0.00 +24.3K 73.1K +50% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, par value $0.01 per share 2026-03-16 A A 24,272 $0.00 73,116 D — — (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 in equal one-third increments over three years beginning on February 28, 2027. (F2) Includes 37,569 RSUs that have not yet vested.