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

Filter by type:
10-K
10-Q
8-K
SC13D
SC13G

SEC filing history

Showing 51-75 of 1,000 matching filings.

Per page

25

Current page

3

3

3 filing

Filing date: 20 Jan 2026
Reporting date: 16 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

3

3 filing

Filing date: 20 Jan 2026
Reporting date: 16 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-36473

8-K

Filing date: 20 Jan 2026
Reporting date: 16 Jan 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36473

8-K

Filing date: 12 Jan 2026
Reporting date: 06 Jan 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36473

8-K

Filing date: 15 Dec 2025
Reporting date: 12 Dec 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36473

8-K

Filing date: 10 Dec 2025
Reporting date: 05 Dec 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-Q File 001-36473

10-Q

Filing date: 07 Nov 2025
Reporting date: 30 Sep 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36473

8-K

Filing date: 06 Nov 2025
Reporting date: 06 Nov 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

4 filing

Filing date: 07 Oct 2025
Reporting date: 03 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-36473

8-K

Filing date: 06 Oct 2025
Reporting date: 06 Oct 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36473

8-K

Filing date: 03 Oct 2025
Reporting date: 03 Oct 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

4 filing

Filing date: 02 Oct 2025
Reporting date: 30 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 29 Sep 2025
Reporting date: 25 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-36473

8-K

Filing date: 26 Aug 2025
Reporting date: 26 Aug 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

SCHEDULE 13G/A File 005-88703

SCHEDULE 13G/A filing

Filing date: 14 Aug 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 14 Aug 2025
Reporting date: 12 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

S-8 File 333-289347

S-8

Filing date: 07 Aug 2025
Reporting date: Not listed
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-Q File 001-36473

10-Q

Filing date: 07 Aug 2025
Reporting date: 30 Jun 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36473

8-K

Filing date: 06 Aug 2025
Reporting date: 06 Aug 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

SCHEDULE 13G File 005-88703

SCHEDULE 13G filing

Filing date: 17 Jul 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 27 Jun 2025
Reporting date: 25 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 27 Jun 2025
Reporting date: 25 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 27 Jun 2025
Reporting date: 25 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 27 Jun 2025
Reporting date: 25 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 27 Jun 2025
Reporting date: 25 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. to update or revoke optional consent for future visits. For more information, see our Privacy Policy .