Trinseo PLC (TSEOF, TSEOQ)

CIK 1519061 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Trinseo PLC.

Recent SEC filings

FiledFormAccession number
Aug 14, 20268-K0001104659-26-096792
Aug 7, 2026DEF 14A0001104659-26-092447
Aug 7, 2026ARS0001104659-26-092456
Aug 7, 2026DEFA14A0001104659-26-092451
Aug 6, 20268-K0001104659-26-091904
Aug 6, 202610-Q0001104659-26-091910
Jul 17, 20268-K0001104659-26-084626
Jun 12, 20268-K/A0001104659-26-073451
Jun 1, 20268-K0001104659-26-068944
May 26, 20268-K0001104659-26-066376
May 22, 2026SD0001104659-26-065729
May 15, 2026SCHEDULE 13G/A0000905148-26-002423
May 15, 20268-K0001104659-26-062804
May 14, 20268-K0001104659-26-060590
May 14, 202640001207044-26-000001
May 14, 202640001867705-26-000001
May 14, 202640001713192-26-000003
May 14, 202640001196701-26-000001
May 14, 202640001047461-26-000001
May 14, 202640001220571-26-000002
May 14, 202640001196053-26-000001
May 14, 202640001532447-26-000001
Apr 30, 20268-K0001104659-26-053165
Apr 30, 202610-Q0001104659-26-052646
Apr 30, 20268-K0001104659-26-052333