{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-109915","form_type":"8-K","ticker":"TSEOF","cik":"0001519061","company_name":"Trinseo PLC","filed_at":"2026-09-23T17:30:36+00:00","discovered_at":"2026-09-23T17:31:01.803198+00:00","generated_at":"2026-09-23T17:31:08.270951+00:00","sec_items":["5.07","8.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Trinseo adjourns annual and extraordinary shareholder meetings to Sept 30 due to quorum failure","bullets":["Annual General Meeting adjourned Sept 23 to Sept 30 8:30 a.m. EST; quorum not met.","Extraordinary General Meeting also adjourned to Sept 30 8:45 a.m. EST; no quorum.","No changes to annual meeting proposals; extraordinary meeting has no resolutions to vote.","Record dates: July 30 for annual meeting; Aug 12 for extraordinary meeting."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-109915","json":"https://secwatch.observer/filing/0001104659-26-109915.json","markdown":"https://secwatch.observer/filing/0001104659-26-109915.md","text":"https://secwatch.observer/filing/0001104659-26-109915.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1519061/000110465926109915/0001104659-26-109915-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1519061/000110465926109915/tse-20260923x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-23T17:31:08.270951+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"}