InsiderTrades

Form 4 for MBC MasterBrand, Inc.

Accepted 2026-08-13 16:11:21 ET · period of report 2026-08-11 · accession 0001941365-26-000075 · 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
2026-08-13 16:11 2026-08-11 MBC Wanninger Kurt EVP, Chief Ops Off S - Sale $9.22 -50.0K 201.2K -20% -$461.1K

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 2026-08-11 S D 50,000 $9.22 201,199 D — — (F1) The reported price in Column 4 is a weighted average sale price. The shares were sold in multiple transactions at prices ranging from $9.16 to $9.305 per share. The reporting person undertakes to provide to MasterBrand, Inc., any security holder of MasterBrand, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. (F2) Includes 56,645 RSUs that have not yet vested, 676 shares held in the issuer's 401(k) plan, and 40,348 shares, the receipt of which has been deferred under the issuer's deferred compensation plan.