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News · 26 weeks67-86%
2025-10-262026-04-19
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Latest news
25 items- PRKoppers Holdings Publishes 2025 Annual ReportPITTSBURGH, March 31, 2026 /PRNewswire/ -- Koppers Holdings Inc. (NYSE:KOP), an integrated global provider of treated wood products, wood treatment chemicals and carbon compounds, today announced that the company has published its 2025 Annual Report and Letter to Shareholders. The Annual Report, including audited financial statements for the fiscal year ended December 31, 2025, was filed with the U.S. Securities and Exchange Commission (SEC) on March 27, 2026. The report is available for viewing on the company's website in the Investor Relations section and can be accessed here,
- PRNYSE Content Update: Koppers to Ring Closing Bell for 20th Listing AnniversaryNYSE issues a pre-market daily advisory direct from the trading floor.NEW YORK, March 30, 2026 /CNW/ -- The New York Stock Exchange (NYSE) provides a daily pre-market update directly from the NYSE Trading Floor. Access today's NYSE Pre-market update for market insights before trading begins. Ashley Mastronardi delivers the pre-market update on March 30thMarkets are rising on Monday morning while uncertainty around the conflict in the Middle East persists.Tune into NYSE Live this morning to hear how Howard W. Buffett's Holganix is working with American farmers to revolutionize the way we grow crops and plants.Ramp economist Ara Kharazian will join NYSE Live to bre
- PRKoppers to Ring NYSE Closing Bell to Celebrate 20th Anniversary of Listing; Management Hosting Meetings with the Financial Community in New YorkPITTSBURGH, March 30, 2026 /PRNewswire/ -- Koppers Holdings Inc. (NYSE:KOP), an integrated global provider of treated wood products, wood treatment chemicals and carbon compounds, will mark the 20th anniversary of its New York Stock Exchange (NYSE) listing by ringing the NYSE Closing Bell at 4:00 PM Eastern Time today, March 30, 2026. Chief Executive Officer and Chairman Leroy Ball will be joined by members of the senior leadership team to celebrate the occasion. "The Koppers team is proud to celebrate our 20th anniversary of being listed on the NYSE by ringing the Closing Bell,
- SECSEC Form DEF 14A filed by Koppers Holdings Inc.DEF 14A - Koppers Holdings Inc. (0001315257) (Filer)
- SECAmendment: SEC Form SCHEDULE 13G/A filed by Koppers Holdings Inc.SCHEDULE 13G/A - Koppers Holdings Inc. (0001315257) (Subject)
- INSIDERSEC Form 4 filed by Wilkerson Sonja Michelle4 - Koppers Holdings Inc. (0001315257) (Issuer)
- INSIDERSEC Form 4 filed by Vartanian Nishan J.4 - Koppers Holdings Inc. (0001315257) (Issuer)
- INSIDERSEC Form 4 filed by Posadas Laura J4 - Koppers Holdings Inc. (0001315257) (Issuer)
- INSIDERSEC Form 4 filed by Motley David L4 - Koppers Holdings Inc. (0001315257) (Issuer)
- INSIDERSEC Form 4 filed by Jensen Traci L4 - Koppers Holdings Inc. (0001315257) (Issuer)
- INSIDERSEC Form 4 filed by Feng Xudong4 - Koppers Holdings Inc. (0001315257) (Issuer)
- INSIDERSEC Form 4 filed by Neupaver Albert J4 - Koppers Holdings Inc. (0001315257) (Issuer)
- INSIDERSEC Form 4 filed by Sandifer Andrew D4 - Koppers Holdings Inc. (0001315257) (Issuer)
- SECAmendment: Koppers Holdings Inc. filed SEC Form 8-K: Leadership Update, Financial Statements and Exhibits8-K/A - Koppers Holdings Inc. (0001315257) (Filer)
- INSIDERSEC Form 4 filed by Ball M Leroy4 - Koppers Holdings Inc. (0001315257) (Issuer)
- PRKoppers Management Participating in Sidoti Small Cap ConferencePITTSBURGH, March 16, 2026 /PRNewswire/ -- Koppers Holdings Inc. (NYSE:KOP) today announced that the company will host meetings with the investment community as part of its participation in the Sidoti Small Cap Conference, which will be held virtually on March 19, 2026. Koppers management will be represented by Bradley Pearce, Interim Chief Financial Officer and Chief Accounting Officer, and Quynh McGuire, Vice President of Investor Relations.The presentation materials will be available on www.koppers.com in the Investor Relations section of the company's website.About KoppersKo
- INSIDERCEO Ball M Leroy sold $231,371 worth of shares (6,275 units at $36.87) and gifted 325 shares, decreasing direct ownership by 1% to 449,948 units (SEC Form 4)4 - Koppers Holdings Inc. (0001315257) (Issuer)
- PRKoppers Management Participating in NYSE Materials Virtual Investor Access DayPITTSBURGH, March 3, 2026 /PRNewswire/ -- Koppers Holdings Inc. (NYSE:KOP) today announced that the company will host meetings with the investment community as part of its participation in the NYSE Materials Virtual Investor Access Day, which will be held on March 5, 2026. Koppers management will be represented by Bradley Pearce, Interim Chief Financial Officer and Chief Accounting Officer, and Quynh McGuire, Vice President of Investor Relations.The presentation materials will be available on www.koppers.com in the Investor Relations section of the company's website.About Kopper
- INSIDERCEO Ball M Leroy was granted 50,025 shares, converted options into 1,215 shares and covered exercise/tax liability with 22,236 shares, increasing direct ownership by 7% to 456,548 units (SEC Form 4)4 - Koppers Holdings Inc. (0001315257) (Issuer)
- INSIDERChief Legal&Sus Officer & Sec. Apostolou Stephanie L was granted 7,223 shares, converted options into 174 shares and covered exercise/tax liability with 3,149 shares, increasing direct ownership by 7% to 63,150 units (SEC Form 4)4 - Koppers Holdings Inc. (0001315257) (Issuer)
- INSIDERSVP, Culture and Engagement Lucas Stephen G was granted 5,298 shares, converted options into 127 shares and covered exercise/tax liability with 2,536 shares, increasing direct ownership by 9% to 35,653 units (SEC Form 4)4 - Koppers Holdings Inc. (0001315257) (Issuer)
- INSIDERPresident and CTO Sullivan James A. was granted 19,264 shares, converted options into 466 shares and covered exercise/tax liability with 8,589 shares, increasing direct ownership by 7% to 170,398 units (SEC Form 4)4 - Koppers Holdings Inc. (0001315257) (Issuer)
- INSIDERVP, Information Technology Lovalekar Tushar covered exercise/tax liability with 1,021 shares, was granted 2,303 shares and converted options into 53 shares, increasing direct ownership by 8% to 17,199 units (SEC Form 4)4 - Koppers Holdings Inc. (0001315257) (Issuer)
- INSIDERInterim CFO and CAO Pearce Bradley A covered exercise/tax liability with 1,465 shares, was granted 3,474 shares and converted options into 82 shares, increasing direct ownership by 6% to 38,037 units (SEC Form 4)4 - Koppers Holdings Inc. (0001315257) (Issuer)
- SECSEC Form 144 filed by Koppers Holdings Inc.144 - Koppers Holdings Inc. (0001315257) (Subject)