UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS
−Removed: The following table sets forth information regarding Koppers Holdings’ repurchases of shares of its common stock during the three months ended June 30, 2025:
−Removed: Total Number of Common Shares Purchased (1)
+Added: The following table sets forth information regarding Koppers Holdings’ repurchases of shares of its common stock during the three months ended September 30, 2025:
+Added: Period Total Number of Common Shares Purchased (1)
Average Price paid per Common Share (2)
−Removed: Total Number of Common Shares Purchased as Part of Publicly Announced Plans or Programs
−Removed: Approximate Dollar Value of Common Shares that May Yet be Purchased Under the Plans or Programs (Dollars in Millions)
−Removed: April 1 - April 30
−Removed: May 1 – May 31
−Removed: June 1 – June 30
+Added: Total Number of Common Shares Purchased as Part of Publicly Announced Plans or Programs Approximate Dollar Value of Common Shares that May Yet be Purchased Under the Plans or Programs (Dollars in Millions)
+Added: July 1 - July 31 0 $ 0.00 0 $ 75.4
+Added: August 1 - August 31 130,812 $ 29.69 130,812 $ 71.5
+Added: September 1 - September 30 0 $ 0.00 0 $ 71.5
+Added: Total 130,812 130,812
(1) On February 27, 2025, we announced that the board of directors approved a $100 million share repurchase program.
6 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.