KOP

Over the past six months, Koppers Holdings, Inc. experienced several notable stock events. In June 2026, Koppers published its 2025 Corporate Sustainability Report and announced participation in investor conferences. In August 2026, the company reported second-quarter results with net sales up 3.0% year-over-year to $520.1 million, but a net loss of $147.5 million primarily due to impairment and restructuring costs, while achieving record operating and free cash flow and declaring a quarterly dividend of $0.09 per share. Koppers also held management meetings with the financial community. In September 2026, Koppers hosted an Investor Day in Atlanta, Georgia, including a tour of its Performance Chemicals business and R&D center. Insider trading activity in the past three months showed sales totaling $4,857,451.00, exceeding purchases. As of October 5, 2026, Koppers Holdings (KOP) closed at $47.04, marking a 74.2% gain over the past 12 months.