Who
M. Leroy Ball
CEO
Company insider
Files Form 4 as: CEO, Koppers Holdings; Director, Ati; Senior Vice President, Calgon Carbon.
In numbers
- Trades disclosed
- 370
- Buys
- 10
- Sells
- 39
- Bought
- $995K
- Sold
- $8.2M
- Companies
- 3
- Companies where not an officer
- 1
- First trade
- 9 Feb 2005
- Last trade
- 31 Aug 2026
- Last filed
- 1 Sep 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 31 Aug 2026filed 1 Sep 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Sold | $184K4,000 at $45.96 | filing |
| 31 Aug 2026filed 1 Sep 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Code G | —200 at $0.00 | filing |
| 31 Aug 2026filed 1 Sep 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Sold | $184K4,000 at $45.96 | filing |
| 31 Aug 2026filed 1 Sep 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Code G | —200 at $0.00 | filing |
| 19 Aug 2026filed 20 Aug 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Sold | $138K3,000 at $45.84 | filing |
| 19 Aug 2026filed 20 Aug 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Sold | $138K3,000 at $45.84 | filing |
| 18 Jun 2026filed 23 Jun 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Sold | $150K3,412 at $43.90 | filing |
| 18 Jun 2026filed 23 Jun 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Sold | $150K3,412 at $43.90 | filing |
| 11 Jun 2026filed 15 Jun 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Sold | $171K4,141 at $41.34 | filing |
| 11 Jun 2026filed 15 Jun 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Code G | —300 at $0.00 | filing |
| 11 Jun 2026filed 15 Jun 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Sold | $171K4,141 at $41.34 | filing |
| 11 Jun 2026filed 15 Jun 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Code G | —300 at $0.00 | filing |
| 19 May 2026filed 21 May 2026 | ATI AtiSteel & Metals Processing | SEC FORM 4 Code A | —905 at $0.00 | filing |
| 19 May 2026filed 21 May 2026 | ATI AtiSteel & Metals Processing | SEC FORM 4 Code A | —905 at $0.00 | filing |
| 13 May 2026filed 14 May 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Sold | $113K2,659 at $42.55 | filing |
| 13 May 2026filed 14 May 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Sold | $113K2,659 at $42.55 | filing |
| 17 Mar 2026filed 18 Mar 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Sold | $94K2,489 at $37.91 | filing |
| 17 Mar 2026filed 18 Mar 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Code G | —1,200 at $0.00 | filing |
| 17 Mar 2026filed 18 Mar 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Sold | $94K2,489 at $37.91 | filing |
| 17 Mar 2026filed 18 Mar 2026 | KOP Koppers HoldingsBuilding Products & Timber | SEC FORM 4 Code G | —1,200 at $0.00 | filing |
News
Koppers Holdings Inc. Schedules Third Quarter 2026 Conference CallKOP · prnewswire.com · 23 Oct 2026
0 headlines in the last 90 days name M. Leroy Ball; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.