Koppers Holdings's three largest insider shareholders as of May 30, 2026 are M Leroy Ball (Ceo, 449.83K shares), M Leroy Ball (Ceo, 446.26K shares), M Leroy Ball (Ceo, 323.51K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| M Leroy Ball | Ceo | 449,826 | 0 | 19 Feb, 2026 |
| Sonja Michelle Wilkerson | - | 20,749 | 0 | 06 May, 2024 |
| Michael Zugay | Cfo | 64,689 | 0 | 04 Jan, 2022 |
| Leslie S Hyde | Svp, Chief Sustainability Offi | 55,658 | 0 | 22 Mar, 2024 |
| James A. Sullivan | President And Cto | 170,398 | 0 | 02 Mar, 2026 |
| Stephen R Tritch | - | 47,754 | 0 | 06 May, 2025 |
| Xudong Feng | - | 28,904 | 0 | 06 Sep, 2023 |
| Daniel R Groves | Vp, Culture Engagement | 5,686 | 0 | 22 Feb, 2022 |
| Traci L Jensen | - | 32,009 | 0 | 09 May, 2025 |
| Joseph P Dowd | Vp, Zero Harm | 10,300 | 0 | 20 Aug, 2024 |
| Nishan J. Vartanian | - | 7,334 | 0 | 09 May, 2025 |
| Louis L Testoni | - | 45,778 | 0 | 06 May, 2025 |
| David L Motley | - | 21,994 | 0 | 09 May, 2025 |
| Andrew D Sandifer | - | 3,949 | 0 | 06 May, 2024 |
| Bradley A Pearce | Interim Cfo And Cao | 38,037 | 0 | 02 Mar, 2026 |
| Stephanie L Apostolou | Chief Legalsus Officer Sec. | 63,150 | 0 | 02 Mar, 2026 |
| Daniel J Skrovanek | Vp, Growth And Innovation | 34,854 | 0 | 07 Jan, 2025 |
| Stephen G Lucas | Svp, Culture And Engagement | 35,653 | 0 | 03 Mar, 2026 |
| Kevin Washington | Vp, External Relations | 7,951 | 0 | 16 Jun, 2025 |
| Tushar Lovalekar | Vp, Information Technology | 17,199 | 0 | 02 Mar, 2026 |
| Laura J Posadas | - | 2,240 | 0 | 07 Nov, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 23 Mar, 2026 | Laura J Posadas | Dividend Equivalent Rights | A | 11 | $0.00 | 11 | D | A |
| 23 Mar, 2026 | Nishan J. Vartanian | Dividend Equivalent Rights | A | 50 | $0.00 | 50 | D | A |
| 23 Mar, 2026 | Xudong Feng | Dividend Equivalent Rights | A | 50 | $0.00 | 348 | D | A |
| 23 Mar, 2026 | Nishan J. Vartanian | Dividend Equivalent Rights | A | 50 | $0.00 | 50 | D | A |
| 23 Mar, 2026 | Traci L Jensen | Dividend Equivalent Rights | A | 50 | $0.00 | 50 | D | A |
| 23 Mar, 2026 | Laura J Posadas | Dividend Equivalent Rights | A | 11 | $0.00 | 11 | D | A |
| 23 Mar, 2026 | Andrew D Sandifer | Dividend Equivalent Rights | A | 50 | $0.00 | 84 | D | A |
| 23 Mar, 2026 | Sonja Michelle Wilkerson | Dividend Equivalent Rights | A | 50 | $0.00 | 300 | D | A |
| 23 Mar, 2026 | Sonja Michelle Wilkerson | Dividend Equivalent Rights | A | 50 | $0.00 | 300 | D | A |
| 23 Mar, 2026 | David L Motley | Dividend Equivalent Rights | A | 50 | $0.00 | 300 | D | A |
| 23 Mar, 2026 | Andrew D Sandifer | Dividend Equivalent Rights | A | 50 | $0.00 | 84 | D | A |
| 23 Mar, 2026 | David L Motley | Dividend Equivalent Rights | A | 50 | $0.00 | 300 | D | A |
| 23 Mar, 2026 | Sonja Michelle Wilkerson | Dividend Equivalent Rights | A | 25 | $0.00 | 326 | D | A |
| 23 Mar, 2026 | Xudong Feng | Dividend Equivalent Rights | A | 30 | $0.00 | 378 | D | A |
| 23 Mar, 2026 | David L Motley | Dividend Equivalent Rights | A | 25 | $0.00 | 326 | D | A |
| 23 Mar, 2026 | David L Motley | Dividend Equivalent Rights | A | 25 | $0.00 | 326 | D | A |
| 23 Mar, 2026 | Sonja Michelle Wilkerson | Dividend Equivalent Rights | A | 25 | $0.00 | 326 | D | A |
| 23 Mar, 2026 | Andrew D Sandifer | Dividend Equivalent Rights | A | 5 | $0.00 | 89 | D | A |
| 23 Mar, 2026 | Andrew D Sandifer | Dividend Equivalent Rights | A | 5 | $0.00 | 89 | D | A |
| 17 Mar, 2026 | M Leroy Ball | Common Stock | D | 2,489 | $37.91 | 447,459 | D | S |