Trinseo PLC reports

Company location: Wayne, PA
Fiscal year end: 31 December

Trinseo PLC has filed 1,092 SEC EDGAR filings since 27 Jun 2011

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SEC filing history

Showing 1-25 of 1,000 matching filings.

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1

8-K/A File 001-36473

FORM 8-K/A

Filing date: 12 Jun 2026
Reporting date: 28 May 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36473

FORM 8-K

Filing date: 01 Jun 2026
Reporting date: 28 May 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36473

FORM 8-K

Filing date: 26 May 2026
Reporting date: 25 May 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

SD File 001-36473

SD

Filing date: 22 May 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A File 005-88703

SCHEDULE 13G/A filing

Filing date: 15 May 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-36473

FORM 8-K

Filing date: 15 May 2026
Reporting date: 15 May 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

4 filing

Filing date: 14 May 2026
Reporting date: 12 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 14 May 2026
Reporting date: 12 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 14 May 2026
Reporting date: 12 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 14 May 2026
Reporting date: 12 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 14 May 2026
Reporting date: 12 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 14 May 2026
Reporting date: 12 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 14 May 2026
Reporting date: 12 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 14 May 2026
Reporting date: 12 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-36473

FORM 8-K

Filing date: 14 May 2026
Reporting date: 13 May 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36473

FORM 8-K

Filing date: 30 Apr 2026
Reporting date: 30 Apr 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-Q File 001-36473

10-Q

Filing date: 30 Apr 2026
Reporting date: 31 Mar 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36473

8-K

Filing date: 30 Apr 2026
Reporting date: 30 Apr 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-K/A File 001-36473

10-K/A

Filing date: 27 Apr 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36473

FORM 8-K

Filing date: 15 Apr 2026
Reporting date: 14 Apr 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36473

FORM 8-K

Filing date: 13 Apr 2026
Reporting date: 10 Apr 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36473

FORM 8-K

Filing date: 20 Mar 2026
Reporting date: 19 Mar 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36473

FORM 8-K

Filing date: 19 Mar 2026
Reporting date: 19 Mar 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

25-NSE File 001-36473

25-NSE filing

Filing date: 18 Mar 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-36473

8-K

Filing date: 13 Mar 2026
Reporting date: 13 Mar 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

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