{"schema_version":"secwatch.filing_event.v1","accession":"0001558370-24-003114","form_type":"8-K","ticker":"TSEOF","cik":"0001519061","company_name":"Trinseo PLC","filed_at":"2024-03-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:24.471419+00:00","generated_at":"2026-06-04T22:13:44.096692+00:00","sec_items":["7.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Trinseo starts sale process for 50% AmSty stake; expects deal by early 2025","bullets":["Commenced sale of its 50% ownership in Americas Styrenics LLC via ownership exit provision in the JV agreement.","Expected to lead to a definitive arrangement no later than early 2025.","Proceeds to be used to pay down $1.077 billion of term loans maturing in 2028.","AmSty is a joint venture with Chevron Phillips Chemical Company LP; part of Trinseo's styrenics businesses divestiture plan."],"urls":{"canonical":"https://secwatch.observer/filing/0001558370-24-003114","json":"https://secwatch.observer/filing/0001558370-24-003114.json","markdown":"https://secwatch.observer/filing/0001558370-24-003114.md","text":"https://secwatch.observer/filing/0001558370-24-003114.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1519061/000155837024003114/0001558370-24-003114-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1519061/000155837024003114/tse-20240313x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T22:13:44.096692+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}