secwatch.observer — SEC 8-K summary ====================================== Issuer: Trinseo PLC (TSEOF) CIK: 0001519061 Form: 8-K Filed at: 2026-07-17T20:07:20+00:00 Accession: 0001104659-26-084626 Event type: other Sentiment: neutral Materiality: 0.10 Item codes: 8.01 LLM model: deepseek-v4-flash:cloud@v2 Trinseo schedules annual general meeting for September 23, 2026 --------------------------------------------------------------- - Annual Meeting set for Sept 23, 2026 at 8:30 a.m. EST at Wayne, PA headquarters. - Record date for shareholders is July 30, 2026. - Shareholders in Ireland may attend via audio/video link at McCann FitzGerald LLP in Dublin. - Advance registration required; details in proxy statement. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1519061/000110465926084626/0001104659-26-084626-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1519061/000110465926084626/tse-20260717x8k.htm HTML page: https://secwatch.observer/filing/0001104659-26-084626 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer