SEC Filing Update: #KOP Koppers Holdings Inc. : $43.21

Sector: Basic Materials | YTD: 🔼+ 62.08% The SEC disclosed Today (19-OCT-2026) that PZENA INVESTMENT MANAGEMENT LLC has DECREASED #KOP Shares by -12.70% 🔴 * Previous Holdings: 1.06M Shares * Current Holdings: 926.50K Shares * Decrease -134.78K * Decreased (%)-12.70% * Ownership: 4.9% https://www.thinksabio.com/reports/isr/KOP The quarterly average prices of #KOP: Q1 2026: $33.44 Q2 2026: $40.91 📌 Institutional activity in the last 30 days for #KOP: • DIMENSIONAL FUND ADVISORS LP – Increased holdings by 28,280 shares (08-OCT-2026) 📈 Stay ahead of institutional buy/sell moves — Sign up free at ThinkSabio: Sign Up Free → 🐦 See this update on X: https://x.com/Thinksabio/status/2112187226918445298