Form4.ai tracks every SEC insider trade in real time. See every MBC insider filing with a free account — no card.
See every MBC insider filing — free account, no card.
Free accountMasterBrand, Inc. (MBC) has 2 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 2 sales totalling $516K. Most recent filing: Aug. 26, 2026.
Open-market value, last 90 days
Form 4 filings by type, last 90 days
| Date | Insider | Trade | Value | Price since buy |
|---|---|---|---|---|
| Aug 26, 2026 SEC filing | Young Mark A. VP, Chief Accounting Officer | Sold | $54,900 | — |
| Aug 13, 2026 SEC filing | Wanninger Kurt EVP & Chief Operations Officer | Sold | $461,065 | — |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.