Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:0167b07b-63f5-abf5-1e39-4a5025ae1de9 2026-06-28T17:30:22-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services KOP: BALL M LEROY (CEO,DIR) Sold (S) 3,412 Shares of KOPPERS HOLDINGS INC for $43.90 on 6/18 urn:uuid:4e2e42e0-c717-0a53-ab11-bc4c140746d0 2026-06-23T18:27:58-04:00 KOP: BALL M LEROY (CEO,DIR) Disposed (JS) 300 Shares of KOPPERS HOLDINGS INC for $0.00 on 6/11 urn:uuid:edfdcadb-89a9-bf21-15e1-8eddc021b9d6 2026-06-15T16:10:47-04:00 KOP: BALL M LEROY (CEO,DIR) Sold (S) 4,141 Shares of KOPPERS HOLDINGS INC for $41.34 on 6/11 urn:uuid:f29f9040-f08a-bbb9-a0b7-6997fa9b25e7 2026-06-15T16:10:47-04:00 KOP: FENG XUDONG (DIR) Disposed (JS) 5,695 Shares of KOPPERS HOLDINGS INC for $0.00 on 6/3 urn:uuid:bdf93172-49a2-c65f-f51b-67efe76b6447 2026-06-04T16:05:06-04:00 KOP: BRENNER ERIC D (CFO,TR) Acquired (JB) 6,620 Shares of KOPPERS HOLDINGS INC for $0.00 on 5/26 urn:uuid:4f71954a-56f3-8fd5-149c-43504d96672d 2026-05-27T16:08:30-04:00 KOP: BRENNER ERIC D (CFO,TR) Filed a Form 3, Becoming a Registered Insider at KOPPERS HOLDINGS INC With Initial Direct Holdings of 0 urn:uuid:1b7932f0-94e5-e088-6bb1-6b2a17fab041 2026-05-27T16:06:24-04:00 KOP: PEARCE BRADLEY A (CFO,CAO) Acquired (JB) 5k Shares of KOPPERS HOLDINGS INC for $0.00 on 5/12 urn:uuid:6eb0fcd7-a69e-8c75-38ac-26c6937425d4 2026-05-14T16:05:20-04:00 KOP: BALL M LEROY (CEO,DIR) Sold (S) 2,659 Shares of KOPPERS HOLDINGS INC for $42.55 on 5/13 urn:uuid:46b7dff7-03aa-9ca7-55ef-df42d1c6214b 2026-05-14T16:02:32-04:00 KOP: MOTLEY DAVID L (DIR) Acquired (JB) 50 Shares of KOPPERS HOLDINGS INC for $0.00 on 5/7 urn:uuid:ee33c3a7-c2d1-9e7d-f897-717f2678b6a4 2026-05-11T16:19:18-04:00 KOP: POSADAS LAURA J (DIR) Acquired (JB) 3,291 Shares of KOPPERS HOLDINGS INC for $0.00 on 5/7 urn:uuid:49106e7e-f539-4a99-b9d5-bb4506c965c1 2026-05-11T16:13:12-04:00