Koppers Holdings Inc. (KOP) has 204 open-market insider trades by 39 insiders since 2006. Over the last six months insiders net sold $5.3M. The most active filer is M. Leroy Ball, CEO.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Christian L. Oberbeck | Dir | — | 4 | $118.4M | 2008-05-21 |
| Partners Iii L.p. Saratoga | 10% | — | 5 | $102.4M | 2008-02-22 |
| James A. Sullivan | PresCTO | — | 13 | $16.2M | 2026-08-11 |
| M. Leroy Ball | CEO | — | 33 | $9.4M | 2026-08-31 |
| R. Michael Johnson | VP | — | 10 | $7.2M | 2019-08-13 |
| Joseph P. Dowd | VP | — | 12 | $6.3M | 2024-08-19 |
| Steven R. Lacy | Secretary | — | 12 | $3.9M | 2020-02-28 |
| Walter W. Turner | Dir | — | 6 | $3.3M | 2016-02-19 |
| Leslie S. Hyde | VP | — | 14 | $3.2M | 2024-03-21 |
| Brian H. McCurrie | Sr. VPBusiness Development | — | 7 | $2.5M | 2014-05-19 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| M. Leroy Ball | CEO | Sell | $184K | 2026-08-31 |
| M. Leroy Ball | CEO | Sell | $138K | 2026-08-19 |
| Stephen G. Lucas | VP | Sell | $58K | 2026-08-12 |
| James A. Sullivan | President & CTO | Sell | $375K | 2026-08-11 |
| Bradley A. Pearce | CAO | Sell | $102K | 2026-08-10 |
| James A. Sullivan | President & CTO | Sell | $4.0M | 2026-08-07 |
Companies that share insiders with KOP, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| M. Leroy Ball | CEO | Sell | $150K | 2026-06-18 |
| M. Leroy Ball | CEO | Sell | $171K | 2026-06-11 |
| M. Leroy Ball | CEO | Sell | $113K | 2026-05-13 |
| M. Leroy Ball | CEO | Sell | $94K | 2026-03-17 |
| M. Leroy Ball | CEO | Sell | $231K | 2026-03-02 |
| M. Leroy Ball | CEO | Sell | $149K | 2025-08-15 |
| M. Leroy Ball | CEO | Sell | $206K | 2025-03-19 |
| M. Leroy Ball | CEO | Sell | $446K | 2024-11-19 |
| Stephen R. Tritch | Director | Sell | $262K | 2024-11-19 |