Cornerstone Building Brands, Inc. (CNR) has 53 open-market insider trades by 28 insiders since 2007. The most active filer is John L. Buckley, President.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| GGC Opportunity Fund Management GP, Ltd. | — | — | 2 | $147.0M | 2021-03-08 |
| GGCOF Executive Co-invest, L.P. | 10% Owner | — | 1 | $90.4M | 2021-02-03 |
| GGC BP Holdings, LLC | — | — | 1 | $65.8M | 2021-03-08 |
| Golden GATE Capital Opportunity Fund, L.P. | 10% Owner | — | 1 | $45.2M | 2021-02-03 |
| GGCOF IRA Co-invest, L.P. | 10% Owner | — | 1 | $11.7M | 2021-03-05 |
| John L. Buckley | Pres | — | 5 | $5.7M | 2022-03-15 |
| James A. Brock | CEOChairman | — | 1 | $4.1M | 2026-03-24 |
| James S. Metcalf | CEOChairman | — | 4 | $2.1M | 2022-03-15 |
| GGCOF Co-invest, L.P. | 10% Owner | — | 1 | $1.7M | 2021-03-03 |
| Rosemary L. Klein | CLOVPSecretary | — | 1 | $1.6M | 2026-03-19 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Rosemary L. Klein | CLO & VP +1 | Sell | $1.6M | 2026-03-19 |
| James A. Brock | CEO & Chairman | Sell | $4.1M | 2026-03-18 |
| John Rothka | CAO | Sell | $98K | 2026-03-17 |
| Richard A. Navarre | Director | Sell | $550K | 2026-03-10 |
| John Rothka | Chief Accounting Officer | Sell | $348K | 2026-03-10 |
| John Rothka | CAO | Sell | $195K | 2025-10-08 |
Companies that share insiders with CNR, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| John Rothka | CAO | Sell | $225K | 2025-10-03 |
| Richard A. Navarre | Director | Sell | $411K | 2025-09-25 |
| Patrick A. Kriegshauser | Director | Sell | $469K | 2025-09-17 |
| Paul A. Lang | CEO | Buy | $502K | 2025-05-09 |
| Holly K. Koeppel | Director | Sell | $1.3M | 2025-03-31 |
| John L. Buckley | President | Sell | $3.4M | 2021-11-24 |
| John L. Buckley | President | Sell | $1.6M | 2021-11-22 |
| Katy Theroux | VP | Sell | $2.3M | 2021-11-11 |
| John J. Holland | Director | Buy | $83K | 2021-08-16 |