secwatch.observer — SEC 8-K summary ====================================== Issuer: Trinseo PLC (TSEOF) CIK: 0001519061 Form: 8-K Filed at: 2026-04-15T23:59:59+00:00 Accession: 0001104659-26-043485 Event type: other_material Sentiment: negative Materiality: 0.85 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Trinseo skips $38M interest payment; lenders waive rights until April 30 ------------------------------------------------------------------------ - Elected not to make ~$38M interest payment due under September 2023 credit agreement. - Non-payment constitutes event of default after applicable grace periods. - Lenders temporarily waived acceleration and collateral enforcement rights until April 30, 2026. - 2L Notes holders prohibited from enforcing collateral for 180 days after any acceleration; no acceleration yet. - Company continues discussions with stakeholders; no assurance of agreement or restructuring outcome. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1519061/000110465926043485/0001104659-26-043485-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1519061/000110465926043485/tm2611573d2_8k.htm HTML page: https://secwatch.observer/filing/0001104659-26-043485 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer