Trinseo PLC — DEF 14A Filings
14 DEF 14A filings on record
This page lists all DEF 14A 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 14 DEF 14A 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 |
|---|---|---|---|---|
| DEF 14A | DEF 14A | 0001104659-25-040945 | Apr 29, 2025 | Jun 25, 2025 |
| DEF 14A | DEF 14A | 0001558370-24-006119 | Apr 29, 2024 | Jun 26, 2024 |
| DEF 14A | DEF 14A | 0001104659-23-053817 | May 1, 2023 | — |
| DEF 14A | DEF 14A | 0001104659-22-049662 | Apr 25, 2022 | Jun 14, 2022 |
| DEF 14A | DEF 14A | 0001047469-21-001037 | Apr 27, 2021 | Jun 14, 2021 |
| DEF 14A | DEF 14A | 0001558370-20-004386 | Apr 27, 2020 | Jun 9, 2020 |
| DEF 14A | DEF 14A | 0001558370-19-008969 | Oct 21, 2019 | Nov 20, 2019 |
| DEF 14A | DEF 14A | 0001558370-19-003659 | Apr 30, 2019 | Jun 19, 2019 |
| DEF 14A | DEF 14A | 0001558370-18-003546 | Apr 30, 2018 | Jun 20, 2018 |
| DEF 14A | DEF 14A | 0001193125-17-315409 | Oct 20, 2017 | Nov 28, 2017 |
| DEF 14A | DEF 14A | 0001193125-17-148736 | Apr 28, 2017 | Jun 21, 2017 |
| DEF 14A | DEF 14A | 0001047469-16-012836 | May 3, 2016 | Jun 21, 2016 |
| DEF 14A | DEF 14A | 0001193125-15-149719 | Apr 27, 2015 | Jun 25, 2015 |
| DEF 14A | DEF 14A | 0001193125-14-439619 | Dec 11, 2014 | Jan 21, 2015 |