Year archive

Trinseo PLC — 2026 filings

All 36 regulatory filings released by Trinseo PLC (TSE) in 2026, sourced directly from the official regulator.

36 Filings

2026 Period

2026 filings (36)

Filing	Released	Lang
FORM 8-K Regulatory Filings	2026-05-15	English
FORM 8-K Regulatory Filings	2026-05-14	English
10-Q - Trinseo PLC (0001519061) (Filer) Interim / Quarterly Report	2026-04-30	English
8-K - Trinseo PLC (0001519061) (Filer) Regulatory Filings	2026-04-30	English
8-K - Trinseo PLC (0001519061) (Filer) Regulatory Filings	2026-04-15	English
8-K - Trinseo PLC (0001519061) (Filer) Regulatory Filings	2026-04-13	English
25-NSE - Trinseo PLC (0001519061) (Subject) Delisting Announcement	2026-03-23	English
8-K - Trinseo PLC (0001519061) (Filer) Regulatory Filings	2026-03-20	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-03-03	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-03-03	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-03-03	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-03-03	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-03-03	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-03-03	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-03-03	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-03-03	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-03-03	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-03-03	English
8-K - TRINSEO PLC (0001519061) (Filer) Regulatory Filings	2026-03-03	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-02-24	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-02-24	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-02-24	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-02-24	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-02-24	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-02-24	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-02-24	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-02-24	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-02-24	English
4 - TRINSEO PLC (0001519061) (Filer) Director's Dealing	2026-02-24	English
8-K Filing Regulatory Filings	2026-02-17	English
SCHEDULE 13G/A Filing Major Shareholding Notification	2026-02-17	English
SCHEDULE 13G Filing Major Shareholding Notification	2026-02-12	English
3 Filing Director's Dealing	2026-01-20	English
3 Filing Director's Dealing	2026-01-20	English
8-K Filing Regulatory Filings	2026-01-20	English
8-K Filing Regulatory Filings	2026-01-12	English

Filings by year

2026 36 filings
2025 80 filings
2024 82 filings
2023 91 filings
2022 90 filings
2021 127 filings
2020 101 filings
2019 81 filings
2018 63 filings
2017 80 filings
2016 114 filings
2015 59 filings
2014 52 filings
2013 5 filings