🕵️ Masterbrand, Inc. ($MBC)
SEC insider & ownership activity, last 12 months · CIK 1941365 · every row links its SEC filing
Over the last 12 months insiders sold $338K against $696K of open-market buying. Banyard R David bought $506K in discretionary trades (Jun). Boston Partners trimmed 6.3% → 5.2%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
4 buyers, $696K (4 lots) · 2 sellers, $338K (2 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Banyard R David | 1 | $506K | 0 | – | Jun 1, 2026 |
| Bruce Kendrick | 0 | – | 1 | $237K | Jun 10, 2026 |
| David D. Petratis | 1 | $102K | 0 | – | Jun 8, 2026 |
| Mark A. Young | 0 | – | 1 | $101K | Jun 1, 2026 |
| Philip D. Fracassa | 1 | $46K | 0 | – | Jun 11, 2026 |
| Simon Andrea Helen | 1 | $43K | 0 | – | Jun 4, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 15.2% | 13G | Apr 30, 2025 | filing ↗ | |
| Coliseum Capital Management, LLC | 9.9% | 13G | May 15, 2026 | filing ↗ | |
| Adam Gray | 9.9% | 13G | May 15, 2026 | filing ↗ | |
| Christopher Shackelton | 9.9% | 13G | May 15, 2026 | filing ↗ | |
| Gates Capital Management, L.P. | 8.2% | 13G | Nov 14, 2025 | filing ↗ | |
| Gates Capital Management GP, LLC | 8.2% | 13G | Nov 14, 2025 | filing ↗ | |
| Gates Capital Management, Inc. | 8.2% | 13G | Nov 14, 2025 | filing ↗ | |
| Jeffrey L. Gates | 8.2% | 13G | Nov 14, 2025 | filing ↗ | |
| Coliseum Capital, LLC | 8.1% | 13G | May 15, 2026 | filing ↗ | |
| Coliseum Capital Partners, L.P. | 8.1% | 13G | May 15, 2026 | filing ↗ | |
| Pzena Investment Management LLC | 7.5% | 13G | Jul 22, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.2% | 13G | Apr 30, 2026 | filing ↗ | |
| Boston Partners | 5.2% | 13G | May 14, 2026 | filing ↗ | |
| Dimensional Fund Advisors LP | exited | 13G | Jul 14, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Bruce Kendrick | $237K | Jun 10, 2026 | filing ↗ |
| Mark A Young | $101K | Jun 1, 2026 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Shareholder vote (5.07) | Jun 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 28, 2026 | filing ↗ |
| Acquisition or disposition (2.01) | May 28, 2026 | filing ↗ |
| New financial obligation (2.03) | May 28, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 28, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 28, 2026 | filing ↗ |
| Other events (8.01) | May 22, 2026 | filing ↗ |
| Earnings (2.02) | May 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 17, 2026 | filing ↗ |
| Other events (8.01) | Apr 17, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 26, 2026 | filing ↗ |
| New financial obligation (2.03) | Mar 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 26, 2026 | filing ↗ |
| Earnings (2.02) | Feb 10, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 10, 2026 | filing ↗ |
| Other events (8.01) | Nov 7, 2025 | filing ↗ |
| Earnings (2.02) | Nov 4, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 4, 2025 | filing ↗ |
| Shareholder vote (5.07) | Oct 30, 2025 | filing ↗ |
| Other events (8.01) | Oct 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 30, 2025 | filing ↗ |
| Other events (8.01) | Oct 20, 2025 | filing ↗ |
| Other events (8.01) | Oct 3, 2025 | filing ↗ |
| Material agreement (1.01) | Aug 5, 2025 | filing ↗ |
| Earnings (2.02) | Aug 5, 2025 | filing ↗ |