SEC Filing Update: #KOP Koppers Holdings Inc. : $44.64

Sector: Basic Materials | YTD: 🔼+ 67.44% The SEC disclosed Today (08-OCT-2026) that DIMENSIONAL FUND ADVISORS LP has INCREASED #KOP Shares by 2.29% 🟢 * Previous Holdings: 1.24M Shares * Current Holdings: 1.27M Shares * Increase+28.28K * Increased(%)+2.29% * Ownership: 6.7% * Estimated Investment Value: $1.29M https://www.thinksabio.com/reports/isr/KOP The quarterly average prices of #KOP: Q1 2026: $33.44 Q2 2026: $40.91 📈 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/2108266486204690826