{"url_path":"/sec/tseof/8-k/2026-05-15/item-9-01","section_key":"item-9-01","section_title":"Item 9.01 **","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-15","source_url":"https://www.sec.gov/Archives/edgar/data/1519061/0001104659-26-062804-index.html","accession_number":"0001104659-26-062804","cik":"0001519061","ticker":"TSEOQ","issuer_name":"Trinseo PLC","edgar_url":"https://www.sec.gov/Archives/edgar/data/1519061/0001104659-26-062804-index.html","primary_entity_key":"0001519061","primary_entity_name":"Trinseo PLC"},"word_count":70,"has_tables":true,"body_markdown":"**ITEM 9.01**\n**Exhibits.**\n\n104\nCover Page Interactive Data File (formatted in Inline XBRL and contained in Exhibit 101)\n\n \n\n**SIGNATURE**\n\n \n\nPursuant to the requirements of the Securities\nExchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.\n\n \n\n \n\n \n**TRINSEO PLC**\n\n \n \n\n \nBy:\n/s/ David Stasse\n\n \nName:\nDavid Stasse\n\n \nTitle:\nExecutive Vice President and Chief Financial Officer\n\n \n \n \n\nDate:  May 15, 2026"}