Koppers (KOP) News Today $28.93 +0.30 (+1.04%) Closing price 09/17/2025 03:59 PM EasternExtended Trading$28.98 +0.05 (+0.17%) As of 09/17/2025 04:04 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Headlines Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock KOP Latest News All Sources Trusted Sources MarketBeat Barchart Benzinga Bloomberg GlobeNewswire GuruFocus MarketWatch Motley Fool NASDAQ PR Newswire Reuters Seeking Alpha TalkMarkets The Street TipRanks The Wall Street Journal Wall Street Zen Yahoo Finance Source Sentiment refers to the positivity or negativity of each headline according to our language processing algorithm. Sentiment All Sentiments Very Positive Positive Neutral Negative Very Negative Most Recent September 2025 August 2025 July 2025 June 2025 May 2025 April 2025 March 2025 February 2025 January 2025 December 2024 November 2024 October 2024 September 2024 August 2024 July 2024 June 2024 May 2024 April 2024 March 2024 February 2024 January 2024 December 2023 November 2023 October 2023 September 2023 August 2023 July 2023 June 2023 May 2023 April 2023 March 2023 February 2023 January 2023 December 2022 November 2022 October 2022 Time Period Short Interest in Koppers Holdings Inc. (NYSE:KOP) Expands By 52.9%September 17 at 12:08 AM | marketbeat.comWhy Koppers Holdings Inc. (NYSE:KOP) Could Be Worth WatchingSeptember 14, 2025 | finance.yahoo.comVillanova Investment Management Co LLC Sells 31,452 Shares of Koppers Holdings Inc. $KOPSeptember 13, 2025 | marketbeat.comJacobs Levy Equity Management Inc. Sells 11,450 Shares of Koppers Holdings Inc. $KOPSeptember 12, 2025 | marketbeat.comKoppers (NYSE:KOP) Cut to Strong Sell at Zacks ResearchSeptember 8, 2025 | marketbeat.comInvenomic Capital Management LP Acquires Shares of 40,828 Koppers Holdings Inc. $KOPSeptember 8, 2025 | marketbeat.comTrexquant Investment LP Increases Holdings in Koppers Holdings Inc. $KOPSeptember 6, 2025 | marketbeat.comKoppers Holdings Inc. $KOP Shares Purchased by American Century Companies Inc.September 3, 2025 | marketbeat.comLatin America Commercial Construction Industry Forecast Report 2025-2034 | Key Players Like Sigdo Koppers, SACYR, and Techint are Shaping the Competitive Landscape with ...September 2, 2025 | finance.yahoo.comNuveen LLC Purchases New Shares in Koppers Holdings Inc. $KOPSeptember 1, 2025 | marketbeat.comInvesco Ltd. Sells 20,372 Shares of Koppers Holdings Inc. $KOPAugust 29, 2025 | marketbeat.comVanguard Group Inc. Cuts Holdings in Koppers Holdings Inc. $KOPAugust 28, 2025 | marketbeat.comRussell Investments Group Ltd. Has $3.45 Million Position in Koppers Holdings Inc. $KOPAugust 26, 2025 | marketbeat.comCharles Schwab Investment Management Inc. Purchases 37,152 Shares of Koppers Holdings Inc. $KOPAugust 26, 2025 | marketbeat.comInterested In Koppers Holdings' (NYSE:KOP) Upcoming US$0.08 Dividend? You Have Four Days LeftAugust 24, 2025 | uk.finance.yahoo.comPublic Sector Pension Investment Board Buys 13,784 Shares of Koppers Holdings Inc. $KOPAugust 23, 2025 | marketbeat.comFuller & Thaler Asset Management Inc. Purchases 16,269 Shares of Koppers Holdings Inc. $KOPAugust 22, 2025 | marketbeat.comKoppers Announces Participation in Midwest IDEAS Investor ConferenceAugust 21, 2025 | prnewswire.comBoston Partners Has $464,000 Holdings in Koppers Holdings Inc. $KOPAugust 21, 2025 | marketbeat.comKoppers (NYSE:KOP) Stock Price Passes Above 200 Day Moving Average - What's Next?August 20, 2025 | marketbeat.comInsider Decision: LEROY BALL Offloads $74K Worth Of Koppers Holdings StockAugust 19, 2025 | benzinga.comInsider Sell Alert: M Ball Sells Shares of Koppers Holdings Inc (KOP)August 18, 2025 | gurufocus.comSome May Be Optimistic About Koppers Holdings' (NYSE:KOP) EarningsAugust 16, 2025 | finance.yahoo.comB. Riley Has Negative Forecast for Koppers Q3 EarningsAugust 14, 2025 | marketbeat.comEarnings Miss: Koppers Holdings Inc. Missed EPS By 47% And Analysts Are Revising Their ForecastsAugust 13, 2025 | finance.yahoo.comKoppers Holdings Inc. (NYSE:KOP) Q2 2025 Earnings Call TranscriptAugust 12, 2025 | msn.comKoppers (NYSE:KOP) Shares Down 4.8% Following Weak EarningsAugust 12, 2025 | marketbeat.comKoppers (NYSE:KOP) Price Target Cut to $50.00 by Analysts at B. RileyAugust 12, 2025 | marketbeat.comKoppers (NYSE:KOP) Releases Earnings Results, Misses Expectations By $0.01 EPSAugust 11, 2025 | marketbeat.comKoppers Management Meeting with Financial Community in Boston and New YorkAugust 11, 2025 | prnewswire.comKoppers: Near-Term Challenges And Debt Burden Outweigh Current Modest ImprovementsAugust 10, 2025 | seekingalpha.comKoppers Holdings Second Quarter 2025 Earnings: Misses ExpectationsAugust 10, 2025 | finance.yahoo.comKoppers (NYSE:KOP) Shares Gap Down After Earnings MissAugust 9, 2025 | marketbeat.comKoppers (NYSE:KOP) Updates FY 2025 Earnings GuidanceAugust 9, 2025 | marketbeat.comKoppers Reports Q2 2025 Results, Adjusts OutlookAugust 8, 2025 | tipranks.comKOPPERS HOLDINGS INC.: Koppers Reports Second Quarter 2025 Results; Revises 2025 OutlookAugust 8, 2025 | finanznachrichten.deKoppers to sell railroad structures businessAugust 8, 2025 | bizjournals.comKoppers outlines $1.9B-$2B 2025 sales target amid cost reductions and margin-focused transformationAugust 8, 2025 | msn.comKoppers Holdings Inc. (NYSE:KOP) Plans $0.08 Quarterly DividendAugust 8, 2025 | marketbeat.comKOP: Barrington Research Lowers Price Target for Koppers Holdings | KOP Stock NewsAugust 8, 2025 | gurufocus.comKoppers Holdings Inc. (KOP) Q2 2025 Earnings Call TranscriptAugust 8, 2025 | seekingalpha.comKoppers Shares Drop on Outlook Cut as Sales DeclineAugust 8, 2025 | marketwatch.comKOPPERS REPORTS SECOND QUARTER 2025 RESULTS; REVISES 2025 OUTLOOKAugust 8, 2025 | prnewswire.comKoppers Holdings Inc. Declares Quarterly Cash DividendAugust 7, 2025 | gurufocus.comKoppers Holdings Inc. Declares Quarterly Cash Dividend | KOP Stock NewsAugust 7, 2025 | gurufocus.comKoppers Holdings Inc. Declares Quarterly Cash DividendAugust 7, 2025 | prnewswire.comFederated Hermes Inc. Cuts Stock Position in Koppers Holdings Inc. (NYSE:KOP)August 6, 2025 | marketbeat.comKoppers Holdings Inc. (NYSE:KOP) Position Boosted by LSV Asset ManagementAugust 4, 2025 | marketbeat.comKestrel Investment Management Corp Acquires New Position in Koppers Holdings Inc. (NYSE:KOP)August 1, 2025 | marketbeat.comKoppers (KOP) Expected to Announce Earnings on FridayAugust 1, 2025 | marketbeat.com Get Koppers News Delivered to You Automatically Sign up to receive the latest news and ratings for KOP and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. KOP Media Mentions By Week KOP Media Sentiment Learn about the media sentiment score. Each headline receives a score ranging from 2 (good news) to -2 (bad news). Our company news sentiment scores track the average news sentiment of articles about each company over the most recent 7 days in order to identify companies that are receiving positive press. KOP News Sentiment▼0.940.60▲Average Basic Materials News Sentiment KOP News Coverage Learn about the media coverage comparison. We track news headlines from hundreds of news outlets and tag them by company. This chart compares the number of articles about this company in the last seven days compared with the average number of articles about this company on a typical week. KOP Articles This Week▼45▲KOP Articles Average Week Get the Latest News and Ratings for KOP and Related Stocks Enter your email address to receive the latest news and analysts' ratings for Koppers and its competitors. Sign Up View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. 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