{"filing":{"accession_number":"0001104659-26-066376","cik":"0001519061","ticker":"TSEOF","company_name":"Trinseo PLC","form":"8-K","filing_date":"2026-05-26","report_date":null,"primary_document":"tm2615591d1_8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1519061/000110465926066376/tm2615591d1_8k.htm"},"events":[{"id":371,"run_id":324,"accession_number":"0001104659-26-066376","anchor_item_number":"1.03","event_type":"bankruptcy_filing","event_domain":"terminal","is_material":true,"confidence":0.98,"summary":"Trinseo PLC filed voluntary petitions under Chapter 11 of the Bankruptcy Code on May 26, 2026, in the U.S. Bankruptcy Court for the Southern District of Texas, and will operate as a debtor-in-possession. The filing includes a pre-packaged reorganization plan with a Disclosure Statement for creditors, and existing equity holders are expected to have their interests cancelled with no recovery.","company_name":"Trinseo PLC","ticker":"TSEOF","filing_date":"2026-05-26","items":[{"id":1449,"accession_number":"0001104659-26-066376","item_number":"1.03","item_title":"Bankruptcy or Receivership.","event_type":"bankruptcy_filing","event_domain":"terminal","is_material":true,"confidence":0.99,"reasoning":"Trinseo PLC filed voluntary petitions under Chapter 11 of the Bankruptcy Code on May 26, 2026, in the U.S. Bankruptcy Court for the Southern District of Texas. The filing explicitly states the Debtors will operate as a \"debtor-in-possession\" under Bankruptcy Court jurisdiction. This is a terminal bankruptcy event that fundamentally alters the registrant's capital structure and operations.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-27T02:08:47.151791+00:00","company_name":"","ticker":null,"filing_date":""},{"id":1450,"accession_number":"0001104659-26-066376","item_number":"2.04","item_title":"Triggering Events that Accelerate or Increase a Direct","event_type":"bankruptcy_filing","event_domain":"terminal","is_material":true,"confidence":0.95,"reasoning":"The disclosure explicitly references \"Chapter 11 Cases\" filed by Trinseo PLC, which constitutes a voluntary bankruptcy filing under Chapter 11. While Item 2.04 typically addresses covenant breaches and triggering events, the mention of Chapter 11 filing is a terminal financial event that supersedes the Item classification and represents the most material disclosure possible for a registrant.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-27T02:08:47.151791+00:00","company_name":"","ticker":null,"filing_date":""},{"id":1452,"accession_number":"0001104659-26-066376","item_number":"7.01","item_title":"Regulation FD Disclosure.","event_type":"bankruptcy_filing","event_domain":"terminal","is_material":true,"confidence":0.99,"reasoning":"The filing explicitly announces that Trinseo PLC has commenced Chapter 11 bankruptcy cases (\"the Company commenced the solicitation of votes on the Plan from certain holders of claims prior to the filing of the Chapter 11 Cases\"). The disclosure includes a press release announcing the filing, a Disclosure Statement for creditors voting on a reorganization plan, and a Combined Notice of the Chapter 11 Cases. The cautionary language warns that \"trading in the Company's securities during the pendency of the Chapter 11 Cases is highly speculative\" and that existing equity holders \"are expected to have their equity interests cancelled and will receive no recovery,\" confirming this is a terminal bankruptcy event.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-27T02:08:47.151791+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":1449,"accession_number":"0001104659-26-066376","item_number":"1.03","item_title":"Bankruptcy or Receivership.","event_type":"bankruptcy_filing","event_domain":"terminal","is_material":true,"confidence":0.99,"reasoning":"Trinseo PLC filed voluntary petitions under Chapter 11 of the Bankruptcy Code on May 26, 2026, in the U.S. Bankruptcy Court for the Southern District of Texas. The filing explicitly states the Debtors will operate as a \"debtor-in-possession\" under Bankruptcy Court jurisdiction. This is a terminal bankruptcy event that fundamentally alters the registrant's capital structure and operations.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-27T02:08:47.151791+00:00","company_name":"Trinseo PLC","ticker":"TSEOF","filing_date":"2026-05-26"},{"id":1450,"accession_number":"0001104659-26-066376","item_number":"2.04","item_title":"Triggering Events that Accelerate or Increase a Direct","event_type":"bankruptcy_filing","event_domain":"terminal","is_material":true,"confidence":0.95,"reasoning":"The disclosure explicitly references \"Chapter 11 Cases\" filed by Trinseo PLC, which constitutes a voluntary bankruptcy filing under Chapter 11. While Item 2.04 typically addresses covenant breaches and triggering events, the mention of Chapter 11 filing is a terminal financial event that supersedes the Item classification and represents the most material disclosure possible for a registrant.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-27T02:08:47.151791+00:00","company_name":"Trinseo PLC","ticker":"TSEOF","filing_date":"2026-05-26"},{"id":1452,"accession_number":"0001104659-26-066376","item_number":"7.01","item_title":"Regulation FD Disclosure.","event_type":"bankruptcy_filing","event_domain":"terminal","is_material":true,"confidence":0.99,"reasoning":"The filing explicitly announces that Trinseo PLC has commenced Chapter 11 bankruptcy cases (\"the Company commenced the solicitation of votes on the Plan from certain holders of claims prior to the filing of the Chapter 11 Cases\"). The disclosure includes a press release announcing the filing, a Disclosure Statement for creditors voting on a reorganization plan, and a Combined Notice of the Chapter 11 Cases. The cautionary language warns that \"trading in the Company's securities during the pendency of the Chapter 11 Cases is highly speculative\" and that existing equity holders \"are expected to have their equity interests cancelled and will receive no recovery,\" confirming this is a terminal bankruptcy event.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-27T02:08:47.151791+00:00","company_name":"Trinseo PLC","ticker":"TSEOF","filing_date":"2026-05-26"}]}