InsiderTrades

Form 4 for MBC MasterBrand, Inc.

Accepted 2026-06-05 16:36:08 ET · period of report 2026-06-03 · accession 0001628280-26-041287 · 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
2026-06-05 16:36 2026-06-03 MBC Simon Andrea Helen EVP, CFO A - Grant $0.00 +105.0K 492.3K +27% $0
2026-06-05 16:36 2026-06-04 MBC Simon Andrea Helen EVP, CFO P - Purchase $8.56 +5,000 497.3K +1% +$42.8K

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 2026-06-03 A A 105,018 $0.00 492,341 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 as follows: (i) 17,503 in equal one-third increments over three years beginning on June 3, 2027 and (ii) 87,515 in equal one-half increments on June 3, 2028 and June 3, 2029. (F2) Includes 244,973 RSUs that have not yet vested.
2 Common Common Stock, par value $0.01 per share 2026-06-04 P A 5,000 $8.56 497,341 D — — (F2) Includes 244,973 RSUs that have not yet vested.