MasterBrand, Inc. (MBC) Insider Trading
Over the last 3 months, MBC insiders made 3 open-market buys and 4 sales, a net sale of -$562K (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 244 institutions increased and 151 reduced their position (13F).
Insider Activity
Sentiment
21/100
Buys (3m)
3
Sells (3m)
4
Net (3m)
-$562.2K
Insiders buyingCluster buying
Insider trades by month Buys Sells
Aug
Sep
Feb
Mar
Jun
Aug
Context3-month price -4.4%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 26, 2026 | Young Mark A.officer: VP, Chief Accounting Officer | Sell | 2,943 | $9.15 |
| Aug 26, 2026 | Young Mark A.officer: VP, Chief Accounting Officer | Sell | 3,057 | $9.15 |
| Aug 13, 2026 | Wanninger Kurtofficer: EVP & Chief Operations Officer | Sell | 50,000 | $9.22 |
| Jun 12, 2026 | Fracassa Philip D.director | Buy | 5,000 | $9.11 |
| Jun 11, 2026 | Kendrick Bruce Alanofficer: EVP & Chief HR Officer | Sell | 26,245 | $9.02 |
| Jun 9, 2026 | PETRATIS DAVID Ddirector | Buy | 11,587 | $8.82 |
| Jun 5, 2026 | Cogan Andrew Bdirector | Grant | 18,824 | — |
| Jun 5, 2026 | Simon Andrea Helenofficer: EVP & CFO | Grant | 105,018 | — |
| Jun 5, 2026 | Perry Jeffery S.director | Grant | 18,824 | — |
| Jun 5, 2026 | Kendrick Bruce Alanofficer: EVP & Chief HR Officer | Grant | 70,012 | — |
| Jun 5, 2026 | Banyard R Daviddirector, officer: CEO & President | Grant | 206,826 | — |
| Jun 5, 2026 | Young Mark A.officer: VP, Chief Accounting Officer | Grant | 11,669 | — |
| Jun 5, 2026 | Crisci Robertdirector | Grant | 18,824 | — |
| Jun 5, 2026 | PETRATIS DAVID Ddirector | Grant | 18,824 | — |
| Jun 5, 2026 | COURAGE CATHERINEdirector | Grant | 18,824 | — |
| Jun 5, 2026 | CHUGG JULIANA Ldirector | Grant | 18,824 | — |
| Jun 5, 2026 | Horton Andreanofficer: EVP, CLO & Secretary | Grant | 62,719 | — |
| Jun 5, 2026 | Shannon Patrick Sdirector | Grant | 18,824 | — |
| Jun 5, 2026 | HACKETT ANN Fdirector | Grant | 18,824 | — |
| Jun 5, 2026 | Grewal Navneetofficer: EVP, Chief Digital & Tech Off. | Grant | 72,929 | — |
| Jun 5, 2026 | HENDRIX DANIEL Tdirector | Grant | 18,824 | — |
| Jun 5, 2026 | Fracassa Philip D.director | Grant | 18,824 | — |
| Jun 5, 2026 | Simon Andrea Helenofficer: EVP & CFO | Buy | 5,000 | $8.56 |
| Jun 2, 2026 | Banyard R Daviddirector, officer: CEO & President | Buy | 60,000 | $8.43 |
| Jun 1, 2026 | Fracassa Philip D.director | Grant | 21,217 | — |
| Jun 1, 2026 | Cogan Andrew Bdirector | Grant | 81,163 | — |
| Jun 1, 2026 | HENDRIX DANIEL Tdirector | Grant | 80,185 | — |
| Mar 4, 2026 | Simon Andrea Helenofficer: EVP & CFO | Tax | 16,558 | $10.12 |
| Mar 4, 2026 | Wanninger Kurtofficer: EVP & Chief Operations Officer | Tax | 7,540 | $10.12 |
| Mar 4, 2026 | Kendrick Bruce Alanofficer: EVP & Chief HR Officer | Tax | 7,456 | $10.12 |
Source: MBC SEC Form 4 filings, latest Aug 26, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their MBC positions over the last 6 months (SEC Form 13F).
Increased
244
New positions
132
Reduced
151
Sold out
54
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 31.6M | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 19.4M | May 13, 2026 |
| PZENA INVESTMENT MANAGEMENT LLC | Increased | 15.3M | Aug 7, 2026 |
| Coliseum Capital Management, LLC | Increased | 13.2M | Aug 14, 2026 |
| Gates Capital Management, Inc. | Increased | 13.2M | Aug 14, 2026 |
| COLISEUM CAPITAL MANAGEMENT, LLC | Increased | 12.7M | May 15, 2026 |
| FMR LLC | Increased | 10.4M | Aug 13, 2026 |
| GATES CAPITAL MANAGEMENT, INC. | Increased | 10.3M | May 15, 2026 |
| REDWOOD CAPITAL MANAGEMENT, LLC | Increased | 9.8M | Aug 14, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 9.2M | Aug 11, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 8.8M | Aug 13, 2026 |
| STATE STREET CORP | Increased | 8.2M | Aug 7, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 7.0M | May 7, 2026 |
| BOSTON PARTNERS | Reduced | 6.7M | May 11, 2026 |
| Pertento Partners LLP | Increased | 6.0M | Aug 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.