{"cik":1519061,"company":{"entity_status":null,"filings":[{"accession":"0001104659-26-112217","document":"tse-20260930x8k.htm","filed":"2026-09-30","form":"8-K","items":"5.07,8.01","report_date":"2026-09-30"},{"accession":"0001104659-26-109915","document":"tse-20260923x8k.htm","filed":"2026-09-23","form":"8-K","items":"5.07,8.01","report_date":"2026-09-23"},{"accession":"0001104659-26-096792","document":"tse-20260814x8k.htm","filed":"2026-08-14","form":"8-K","items":"8.01,9.01","report_date":"2026-08-14"},{"accession":"0001104659-26-092447","document":"tse-20260923xdef14a.htm","filed":"2026-08-07","form":"DEF 14A","items":"","report_date":"2026-09-23"},{"accession":"0001104659-26-091910","document":"tse-20260630x10q.htm","filed":"2026-08-06","form":"10-Q","items":"","report_date":"2026-06-30"},{"accession":"0001104659-26-091904","document":"tse-20260806x8k.htm","filed":"2026-08-06","form":"8-K","items":"2.02,9.01","report_date":"2026-08-06"},{"accession":"0001104659-26-084626","document":"tse-20260717x8k.htm","filed":"2026-07-17","form":"8-K","items":"8.01","report_date":"2026-07-17"},{"accession":"0001104659-26-073451","document":"tm2617803d1_8ka.htm","filed":"2026-06-12","form":"8-K/A","items":"9.01","report_date":"2026-05-28"},{"accession":"0001104659-26-068944","document":"tm2615985d1_8k.htm","filed":"2026-06-01","form":"8-K","items":"1.01,2.03,9.01","report_date":"2026-05-28"},{"accession":"0001104659-26-066376","document":"tm2615591d1_8k.htm","filed":"2026-05-26","form":"8-K","items":"1.03,2.04,7.01,9.01","report_date":"2026-05-25"},{"accession":"0001104659-26-062804","document":"tm2614854d1_8k.htm","filed":"2026-05-15","form":"8-K","items":"1.01,7.01","report_date":"2026-05-15"},{"accession":"0001867705-26-000001","document":"xslF345X06/form4-05142026_090535.xml","filed":"2026-05-14","form":"4","items":"","report_date":"2026-05-12"},{"accession":"0001713192-26-000003","document":"xslF345X06/form4-05142026_090501.xml","filed":"2026-05-14","form":"4","items":"","report_date":"2026-05-12"},{"accession":"0001532447-26-000001","document":"xslF345X06/form4-05142026_090523.xml","filed":"2026-05-14","form":"4","items":"","report_date":"2026-05-12"},{"accession":"0001220571-26-000002","document":"xslF345X06/form4-05142026_090559.xml","filed":"2026-05-14","form":"4","items":"","report_date":"2026-05-12"},{"accession":"0001207044-26-000001","document":"xslF345X06/form4-05142026_080515.xml","filed":"2026-05-14","form":"4","items":"","report_date":"2026-05-12"},{"accession":"0001196701-26-000001","document":"xslF345X06/form4-05142026_090513.xml","filed":"2026-05-14","form":"4","items":"","report_date":"2026-05-12"},{"accession":"0001196053-26-000001","document":"xslF345X06/form4-05142026_080554.xml","filed":"2026-05-14","form":"4","items":"","report_date":"2026-05-12"},{"accession":"0001104659-26-060590","document":"tm2614481d1_8k.htm","filed":"2026-05-14","form":"8-K","items":"1.01,7.01,9.01","report_date":"2026-05-13"},{"accession":"0001047461-26-000001","document":"xslF345X06/form4-05142026_090512.xml","filed":"2026-05-14","form":"4","items":"","report_date":"2026-05-12"},{"accession":"0001104659-26-053165","document":"tm2613282d1_8k.htm","filed":"2026-04-30","form":"8-K","items":"1.01,7.01,9.01","report_date":"2026-04-30"},{"accession":"0001104659-26-052646","document":"tse-20260331x10q.htm","filed":"2026-04-30","form":"10-Q","items":"","report_date":"2026-03-31"},{"accession":"0001104659-26-052333","document":"tse-20260430x8k.htm","filed":"2026-04-30","form":"8-K","items":"2.02,9.01","report_date":"2026-04-30"},{"accession":"0001104659-26-049440","document":"tse-20251231x10ka.htm","filed":"2026-04-27","form":"10-K/A","items":"","report_date":"2025-12-31"},{"accession":"0001104659-26-043485","document":"tm2611573d2_8k.htm","filed":"2026-04-15","form":"8-K","items":"7.01,9.01","report_date":"2026-04-14"},{"accession":"0001104659-26-042351","document":"tm2611573d1_8k.htm","filed":"2026-04-13","form":"8-K","items":"1.01,9.01","report_date":"2026-04-10"},{"accession":"0001104659-26-032793","document":"tm269214d1_8k.htm","filed":"2026-03-20","form":"8-K","items":"1.01,9.01","report_date":"2026-03-19"},{"accession":"0001104659-26-032165","document":"tm269214d2_8k.htm","filed":"2026-03-19","form":"8-K","items":"7.01,9.01","report_date":"2026-03-19"},{"accession":"0001104659-26-027521","document":"tse-20260313x8k.htm","filed":"2026-03-13","form":"8-K","items":"2.02,9.01","report_date":"2026-03-13"},{"accession":"0001104659-26-027518","document":"tse-20251231x10k.htm","filed":"2026-03-13","form":"10-K","items":"","report_date":"2025-12-31"},{"accession":"0001104659-26-022537","document":"tse-20260302x8k.htm","filed":"2026-03-03","form":"8-K","items":"3.01,9.01","report_date":"2026-03-02"},{"accession":"0001104659-26-015648","document":"tse-20260216x8k.htm","filed":"2026-02-17","form":"8-K","items":"1.01,7.01,9.01","report_date":"2026-02-16"},{"accession":"0001104659-26-004782","document":"tse-20260116x8k.htm","filed":"2026-01-20","form":"8-K","items":"5.02","report_date":"2026-01-16"},{"accession":"0001104659-26-002698","document":"tse-20260106x8k.htm","filed":"2026-01-12","form":"8-K","items":"5.02,9.01","report_date":"2026-01-06"},{"accession":"0001104659-25-120876","document":"tse-20251212x8k.htm","filed":"2025-12-15","form":"8-K","items":"3.01,7.01,8.01,9.01","report_date":"2025-12-12"},{"accession":"0001104659-25-119859","document":"tse-20251205x8k.htm","filed":"2025-12-10","form":"8-K","items":"2.05","report_date":"2025-12-05"},{"accession":"0001104659-25-108273","document":"tse-20250930x10q.htm","filed":"2025-11-07","form":"10-Q","items":"","report_date":"2025-09-30"},{"accession":"0001104659-25-107750","document":"tse-20251106x8k.htm","filed":"2025-11-06","form":"8-K","items":"2.02,9.01","report_date":"2025-11-06"},{"accession":"0001104659-25-096964","document":"tse-20251006x8k.htm","filed":"2025-10-06","form":"8-K","items":"2.05,7.01,9.01","report_date":"2025-10-06"},{"accession":"0001104659-25-096616","document":"tse-20251003x8k.htm","filed":"2025-10-03","form":"8-K","items":"7.01,9.01","report_date":"2025-10-03"}],"former_names":[{"from":"2011-06-27T04:00:00.000Z","name":"Trinseo S.A.","to":"2021-10-18T04:00:00.000Z"}],"gleif_parents":[],"headquarters":[],"insiders":[],"legal_name":null,"lei":null,"lei_status":null,"lei_updated_at":null,"names":[],"parent_exceptions":[],"parents":[],"wikidata_id":null},"research_built_at":"2026-10-21T06:11:10.683776+00:00","reviewed_events":[],"reviewed_events_coverage":"selective; not a complete event history; accounting series not reconciled","sources":[{"coverage":"8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer","id":"sec","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC submissions","retrieved_at":"2026-10-20T06:11:47.043759+00:00","status":"ok","url":"https://www.sec.gov/search-filings/edgar-application-programming-interfaces"},{"coverage":"1663 unambiguous CIK-linked entities; coverage is incomplete","id":"wikidata","license":"CC0-1.0","license_url":"https://www.wikidata.org/wiki/Wikidata:Licensing","name":"Wikidata structured data","retrieved_at":"2026-10-15T06:12:13.268459+00:00","status":"ok","url":"https://www.wikidata.org/"},{"coverage":"1199 checked identities; 0 unavailable records","id":"gleif","license":"CC0-1.0","license_url":"https://www.gleif.org/en/meta/lei-data-terms-of-use","name":"GLEIF legal entity reference data","retrieved_at":"2026-10-15T06:13:53.192764+00:00","status":"ok","url":"https://www.gleif.org/en/lei-data/gleif-api"},{"coverage":"4 selected series; gaps remain missing","id":"fed","license":"Public domain (selected government series)","license_url":"https://www.federalreserve.gov/disclaimer.htm","name":"Federal Reserve Board H.15","retrieved_at":"2026-10-20T06:12:10.744440+00:00","status":"ok","url":"https://www.federalreserve.gov/releases/h15/"},{"coverage":"9 selected series; gaps remain missing","id":"bls","license":"Public domain","license_url":"https://www.bls.gov/opub/copyright-information.htm","name":"Bureau of Labor Statistics","retrieved_at":"2026-10-20T06:12:12.024240+00:00","status":"ok","url":"https://www.bls.gov/developers/"},{"coverage":"2026 Q3: filings in this completed quarter; not a live transaction feed","id":"insiders","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC insider transactions","retrieved_at":"2026-10-15T06:12:09.068487+00:00","status":"ok","url":"https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets"}]}