Trinseo (TSE) News Today $2.52 +0.13 (+5.21%) Closing price 09/16/2025 03:58 PM EasternExtended Trading$2.52 -0.01 (-0.40%) As of 09/16/2025 07:50 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 AnalysisChartCompetitorsDividendEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock TSE 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 Trinseo PLC $TSE Shares Sold by Charles Schwab Investment Management Inc.September 3, 2025 | marketbeat.comInsider Spends US$240k Buying More Shares In TrinseoAugust 17, 2025 | finance.yahoo.comTrinseo PLC (NYSE:TSE) Director Matthew Farrell Acquires 25,000 SharesAugust 16, 2025 | marketbeat.comTrinseo PLC (NYSE:TSE) Director Purchases $64,657.95 in StockAugust 16, 2025 | marketbeat.comInsider Buying: Trinseo PLC (NYSE:TSE) Director Acquires 48,609 Shares of StockAugust 16, 2025 | marketbeat.comMatthew Farrell Buys 25,000 Shares of Trinseo PLC (NYSE:TSE) StockAugust 15, 2025 | insidertrades.comInsider Buying: Matthew Farrell Acquires 100,000 Shares of Trinseo PLC (TSE)August 14, 2025 | gurufocus.comTrinseo S.A. Earnings Call: Cost Savings Amidst ChallengesAugust 13, 2025 | msn.comTrinseo PLC (NYSE:TSE) Q2 2025 Earnings Call TranscriptAugust 12, 2025 | msn.comAlta Fundamental Advisers LLC Reduces Stock Position in Trinseo PLC (NYSE:TSE)August 11, 2025 | marketbeat.comTrinseo PLC (TSE) Q2 2025 Earnings Call TranscriptAugust 9, 2025 | seekingalpha.comTrinseo PLC (TSE) Q2 2025 Earnings Call Highlights: Strategic Initiatives and Market ChallengesAugust 8, 2025 | finance.yahoo.comTrinseo PLC (TSE) Q2 2025: Everything You Need To Know Ahead Of EarningsAugust 7, 2025 | finance.yahoo.comTrinseo (TSE) Q2 Revenue Drops 15%August 6, 2025 | fool.comTrinseo Reports Second Quarter 2025 Financial Results and Provides 2025 OutlookAugust 6, 2025 | gurufocus.comTrinseo PLC Reports Q2 2025 Earnings: EPS of -$2. ...August 6, 2025 | gurufocus.comTrinseo Reports Second Quarter 2025 Financial Results and Provides 2025 OutlookAugust 6, 2025 | finance.yahoo.comShort Interest in Trinseo PLC (NYSE:TSE) Increases By 4,516.7%August 2, 2025 | marketbeat.comTrinseo (TSE) Projected to Post Earnings on WednesdayJuly 30, 2025 | marketbeat.comTrinseo (NYSE:TSE) Shares Cross Above 50 Day Moving Average - What's Next?July 23, 2025 | marketbeat.comTrinseo Announces Release Date and Conference Call for its Second ...July 12, 2025 | morningstar.comMTrinseo Announces Release Date and Conference Call for its Second Quarter 2025 Financial ResultsJuly 10, 2025 | businesswire.comTrinseo Reports Major Emissions Reduction and Advances in Circular Economy in 2024 Sustainability ReportJuly 8, 2025 | msn.comTrinseo (NYSE:TSE) Stock Price Crosses Below Two Hundred Day Moving Average - Here's WhyJuly 5, 2025 | marketbeat.comTrinseo Charts a Course for Sustainability Advancement in 15th Annual Sustainability & CSR ReportJuly 1, 2025 | businesswire.comTrinseo (NYSE:TSE) Stock Price Crosses Below Two Hundred Day Moving Average - What's Next?June 27, 2025 | marketbeat.comTrinseo Shareholders Approve Key Proposals at AGMJune 26, 2025 | tipranks.comTrinseo PLC Plans Quarterly Dividend of $0.01 (NYSE:TSE)June 26, 2025 | marketbeat.comTrinseo (NYSE:TSE) Shares Cross Below Two Hundred Day Moving Average - Should You Sell?June 19, 2025 | marketbeat.comTrinseo (NYSE:TSE) shareholders are up 16% this past week, but still in the red over the last three yearsJune 17, 2025 | finance.yahoo.comMillennium Management LLC Lowers Position in Trinseo PLC (NYSE:TSE)June 6, 2025 | marketbeat.comTrinseo PLC (NYSE:TSE) Short Interest UpdateJune 2, 2025 | marketbeat.comTrinseo Stock Short Interest Report | NYSE:TSE | BenzingaMay 27, 2025 | benzinga.comD. E. Shaw & Co. Inc. Reduces Holdings in Trinseo PLC (NYSE:TSE)May 22, 2025 | marketbeat.comTaiwan Semiconductor Stock Is The Gift That Keeps on Giving (TSE)Taiwan Semiconductor stock has proven itself to be one of the safer names in the semiconductor and chipmaking industry with further upside ahead.May 16, 2025 | marketbeat.comTrinseo Reports Q1 2025 Financial Results and Prepares for Q2 ChallengesMay 15, 2025 | msn.comTrinseo (NYSE:TSE) Stock Rating Lowered by StockNews.comMay 14, 2025 | marketbeat.comTrinseo PLC (NYSE:TSE) Q1 2025 Earnings Call TranscriptMay 10, 2025 | insidermonkey.comEarnings call transcript: Trinseo Q1 2025 EPS Beats Forecast Despite Revenue MissMay 9, 2025 | uk.investing.comTrinseo PLC (TSE) Q1 2025 Earnings Call Highlights: Strong EBITDA Growth Amidst Economic UncertaintyMay 9, 2025 | finance.yahoo.comTrinseo PLC (TSE) Q1 2025 Earnings Call TranscriptMay 8, 2025 | seekingalpha.comCastleKnight Management LP Has $12.65 Million Position in Trinseo PLC (NYSE:TSE)May 8, 2025 | marketbeat.comTrinseo PLC Reports Q1 2025 Earnings: EPS at -$2.22, Revenue at $785 Million, Both Missing EstimatesMay 7, 2025 | gurufocus.comTrinseo Reports First Quarter 2025 Financial Results and Provides Second Quarter OutlookMay 7, 2025 | businesswire.comWhat To Expect From Trinseo PLC (TSE) Q1 2025 EarningsMay 7, 2025 | gurufocus.comInsider Stock Buying Reaches US$763.8k On TrinseoMay 5, 2025 | finance.yahoo.com683 Capital Management LLC Makes New $636,000 Investment in Trinseo PLC (NYSE:TSE)May 4, 2025 | marketbeat.comTrinseo PLC (NYSE:TSE) Short Interest Down 28.0% in AprilMay 2, 2025 | marketbeat.comTrinseo to Host Q1 2025 Earnings Call on May 8April 29, 2025 | msn.comJPMorgan Chase & Co. Trims Stake in Trinseo PLC (NYSE:TSE)April 28, 2025 | marketbeat.com Get Trinseo News Delivered to You Automatically Sign up to receive the latest news and ratings for TSE 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. 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