M. Leroy Ball
President and CEO at Koppers Holdings Inc.
Sits on 2 boards. Last updated September 27, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: Koppers Holdings Inc., 3 years.
Koppers Holdings Inc.
Director · CEO
ATI Inc.
Director
Chief executive roles
Koppers Holdings Inc.
· President and CEO
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 31, 2026 | Koppers Holdings Inc. | Open-market sale | −4,000 | $45.96 | $183,840 |
| Aug 31, 2026 | Koppers Holdings Inc. | Gift | −200 | — | — |
| Aug 19, 2026 | Koppers Holdings Inc. | Open-market sale | −3,000 | $45.84 | $137,520 |
| Jun 18, 2026 | Koppers Holdings Inc. | Open-market sale | −3,412 | $43.90 | $149,787 |
| Jun 11, 2026 | Koppers Holdings Inc. | Open-market sale | −4,141 | $41.34 | $171,189 |
| Jun 11, 2026 | Koppers Holdings Inc. | Gift | −300 | — | — |
| May 19, 2026 | ATI Inc. | Grant or award | +905 | — | — |
| May 13, 2026 | Koppers Holdings Inc. | Open-market sale | −2,659 | $42.55 | $113,140 |
| Mar 17, 2026 | Koppers Holdings Inc. | Open-market sale | −2,489 | $37.91 | $94,358 |
| Mar 17, 2026 | Koppers Holdings Inc. | Gift | −1,200 | — | — |
| Mar 2, 2026 | Koppers Holdings Inc. | Open-market sale | −2,184 | $36.53 | $79,782 |
| Mar 2, 2026 | Koppers Holdings Inc. | Open-market sale | −328 | $37.45 | $12,284 |
| Mar 2, 2026 | Koppers Holdings Inc. | Open-market sale | −3,763 | $37.02 | $139,306 |
| Mar 2, 2026 | Koppers Holdings Inc. | Gift | −325 | — | — |
| Feb 26, 2026 | Koppers Holdings Inc. | Grant or award | +50,025 | — | — |
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