Trinseo PLC — SCHEDULE 13G Filings
2 SCHEDULE 13G filings on record
This page lists all SCHEDULE 13G 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 SCHEDULE 13G 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 |
|---|---|---|---|---|
| SCHEDULE 13G | — | 0000884546-26-000012 | Feb 12, 2026 | — |
| SCHEDULE 13G | — | 0002052113-25-002969 | Jul 17, 2025 | — |