NYSE · TSE

Trinseo PLC

Basic Materials · Chemicals - Specialty

$0.13

Down-$0.08 (-37.50%)

Updated Sep 19, 2026, 9:59 AM

SID Score

4.2/10

Composite research score

Smart Money

—

Institutional and insider signal

Market cap: 22.49M
P/E ratio: -0.05
Dividend yield: 24.00%
52-week range: — – —
Volume: 262.2K
Avg. volume: 439.9K

Price performance

TSE price history

1M range · 0 trading sessions · Daily adjusted prices

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Latest TSE news

The latest Smart Investors Daily articles mentioning TSE.

sec filingAug 10, 2026

Trinseo PLC (TSE) Files Proxy Statement Ahead of Shareholder Meeting

sec filingMar 3, 2026

Trinseo PLC (TSE) Reports Material Event to SEC

Latest TSE news

The latest Smart Investors Daily articles mentioning TSE.

Stock researchResearch & News · SEC Filings

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Research & News

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TSE research

SEC Filings

Recent regulatory filings and source documents.

SEC filing history

Open a filing to view the original source document.

TSE SEC filings
Filed	Form	Description	Accepted	Document
Mar 3, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Oct 7, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Oct 2, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 29, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 14, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 27, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 27, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 27, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 27, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 27, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 27, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 27, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 27, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 24, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 24, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 24, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 24, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 24, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 24, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 24, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 24, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 24, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 24, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 14, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 3, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source

Filed

Form

Description

Accepted

Document

Mar 3, 2026