InsiderTrades

Form 4 for MBC MasterBrand, Inc.

Accepted 2026-06-03 16:40:01 ET · period of report 2026-06-01 · accession 0001628280-26-040434 · 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
2026-06-03 16:40 2026-06-01 MBC Young Mark A. VP, CAO S - Sale $8.60 -11.8K 61.4K -16% -$101.2K

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 2026-06-01 S D 11,765 $8.60 61,351 D — — (F1) Includes 37,569 restricted stock units that have not vested.