Vanguard Group's Reduced Stake in Koppers Holdings Inc

The Vanguard Group has filed an amendment to its Schedule 13G, reporting a reduced stake in Koppers Holdings Inc. As of September 30, 2025, Vanguard holds 1,539,485 shares, representing a 7.8% ownership in the company. This marks a decrease of 355,726 shares (18.77%) from its previous holdings. The total value of the shares held is approximately $43.44 million, a decrease of $17.49 million (28.7%) from the previous filing. Vanguard's clients, including investment companies and managed accounts, have the right to receive dividends or proceeds from the sale of these securities. The filing certifies that the securities were acquired and are held in the ordinary course of business and not for the purpose of influencing the control of the issuer.