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.
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 |