Koppers Holdings Inc. (KOP) Insider Ownership

Historic Insider Ownership Trends

Based on data from the past 90 days ending January 13, 2026, Koppers Holdings's three largest insider shareholders are Ceo M Leroy Ball (411.34K shares), President And Cto James A. Sullivan (159.26K shares), Director Albert J Neupaver (83.78K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
M Leroy Ball Ceo 411,339 06 Jan, 2026
James A. Sullivan President And Cto 159,257 06 Jan, 2026
Albert J Neupaver 83,784 09 May, 2025
Michael Zugay Cfo 64,689 04 Jan, 2022
Stephanie L Apostolou Chief Legal&Sus Officer & Sec. 58,902 06 Jan, 2026
Leslie S Hyde Svp And Chief Sustainability Offi 55,658 22 Mar, 2024
Stephen R Tritch 47,754 06 May, 2025
Louis L Testoni 45,778 06 May, 2025
Jimmi Sue Smith Chief Financial Officer 41,050 06 Jan, 2026
Bradley A Pearce Chief Accounting Officer 35,946 06 Jan, 2026
Daniel J Skrovanek Vp And Growth And Innovation 34,854 07 Jan, 2025
Stephen G Lucas Svp And Culture And Engagement 32,764 06 Jan, 2026
Traci L Jensen 32,009 09 May, 2025
Xudong Feng 28,904 06 Sep, 2023
David L Motley 21,994 09 May, 2025
Sonja Michelle Wilkerson 20,749 06 May, 2024
Tushar Lovalekar Vp And Information Technology 15,864 06 Jan, 2026
Joseph P Dowd Vp And Zero Harm 10,300 20 Aug, 2024
Kevin Washington Vp And External Relations 7,951 16 Jun, 2025
Nishan J. Vartanian 7,334 09 May, 2025
Daniel R Groves Vp And Culture & Engagement 5,686 22 Feb, 2022
Andrew D Sandifer 3,949 06 May, 2024
Laura J Posadas 2,240 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
05 Jan, 2026 M Leroy Ball Common Stock A 27,152 $0.00 384,460 D A
05 Jan, 2026 M Leroy Ball Common Stock D 39,811 $26.93 411,339 D F
05 Jan, 2026 M Leroy Ball Common Stock A 64,634 - 449,094 D M
05 Jan, 2026 M Leroy Ball Common Stock A 2,056 $0.00 451,150 D M
05 Jan, 2026 James A. Sullivan Common Stock D 13,658 $26.93 159,257 D F
05 Jan, 2026 James A. Sullivan Common Stock A 12,442 - 172,293 D M
05 Jan, 2026 James A. Sullivan Common Stock A 622 $0.00 172,915 D M
05 Jan, 2026 James A. Sullivan Common Stock A 21,724 $0.00 159,851 D A
05 Jan, 2026 Jimmi Sue Smith Common Stock D 5,694 $26.93 41,050 D F
05 Jan, 2026 Jimmi Sue Smith Common Stock A 240 $0.00 46,744 D M
05 Jan, 2026 Jimmi Sue Smith Common Stock A 4,860 - 46,504 D M
05 Jan, 2026 Bradley A Pearce Common Stock A 104 $0.00 38,416 D M
05 Jan, 2026 Bradley A Pearce Common Stock A 7,128 $0.00 38,312 D A
05 Jan, 2026 Bradley A Pearce Common Stock D 2,470 $26.93 35,946 D F
05 Jan, 2026 Stephanie L Apostolou Common Stock A 4,666 - 64,419 D M
05 Jan, 2026 Stephanie L Apostolou Common Stock A 9,876 $0.00 59,753 D A
05 Jan, 2026 Stephanie L Apostolou Common Stock A 240 $0.00 64,659 D M
05 Jan, 2026 Stephanie L Apostolou Common Stock D 5,757 $26.93 58,902 D F
05 Jan, 2026 Stephen G Lucas Common Stock A 6,692 $0.00 33,604 D A
05 Jan, 2026 Stephen G Lucas Common Stock A 3,421 - 37,025 D M