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Trinseo PLC — 25-NSE Filings

2 25-NSE filings on record

This page lists all 25-NSE filings submitted to the SEC by Trinseo PLC (TSEOF), sorted by most recent first. Each row links to the full filing on EdgarLookup. Trinseo PLC has filed 2 25-NSE documents with the SEC since 2015. To view all SEC filings by Trinseo PLC, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 10-Q/A 144 15-12B 25-NSE 3 4 4/A 424B3 424B4 424B7 8-A12B 8-K 8-K/A 8-K12B ARS CERTNYS CORRESP DEF 14A DEFA14A EFFECT F-1 F-1/A FWP PRE 14A RW S-1 S-1/A S-3 S-4 S-4/A S-8 S-8 POS SC 13D SC 13G SC 13G/A SC TO-C SC TO-I SC TO-I/A SCHEDULE 13G SCHEDULE 13G/A SD UPLOAD
Form Description Accession Number Filed Period
25-NSE — 0000876661-26-000266 Mar 18, 2026 —
25-NSE — 0000876661-21-001469 Oct 8, 2021 —