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Trinseo PLC — 4/A Filings

21 4/A filings on record

This page lists all 4/A 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 21 4/A 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
4/A 0001415889-25-018367 Jun 27, 2025 Jun 21, 2025
4/A 0001415889-23-011104 Jul 13, 2023 Jun 14, 2023
4/A 0001415889-23-011102 Jul 13, 2023 Jun 14, 2023
4/A 0001415889-23-011100 Jul 13, 2023 Jun 14, 2023
4/A 0001415889-23-011098 Jul 13, 2023 Jun 14, 2023
4/A 0001415889-23-011096 Jul 13, 2023 Jun 14, 2023
4/A 0001415889-23-011094 Jul 13, 2023 Jun 14, 2023
4/A 0001415889-23-011092 Jul 13, 2023 Jun 14, 2023
4/A 0001415889-23-011090 Jul 13, 2023 Jun 14, 2023
4/A 0001415889-23-011088 Jul 13, 2023 Jun 14, 2023
4/A 0001415889-23-011084 Jul 13, 2023 Jun 14, 2023
4/A 0001415889-23-011082 Jul 13, 2023 Jun 14, 2023
4/A FORM 4/A - 0001179110-20-000728 Jan 23, 2020 Dec 12, 2019
4/A FORM 4/A - 0001179110-19-012842 Dec 16, 2019 Dec 12, 2019
4/A FORM 4/A - 0001179110-19-012824 Dec 16, 2019 Dec 12, 2019
4/A FORM 4/A - 0001179110-19-012799 Dec 16, 2019 Jun 17, 2019
4/A FORM 4/A - 0001179110-19-012766 Dec 16, 2019 Dec 12, 2019
4/A FORM 4/A SUBMISSION 0001209191-15-028877 Mar 24, 2015 Aug 15, 2014
4/A FORM 4/A SUBMISSION 0001209191-15-028861 Mar 24, 2015 Aug 14, 2014
4/A FORM 4/A SUBMISSION 0001209191-15-028858 Mar 24, 2015 Nov 21, 2014
4/A FORM 4/A SUBMISSION 0001209191-15-028847 Mar 24, 2015 Aug 18, 2014