Trinseo PLC (TSEOQ) Stock Price, News & Analysis
What Changed
Price Move History
- Daily moves over 5%
- 15 37 sessions, May 27, 2026 to November 6, 2026
- Largest daily move
- +622.2% close of June 18, 2026
- 1-month change
- -65% closing prices, October 6, 2026 to November 6, 2026
Company Description
Trinseo PLC (OTC: TSEOQ) is classified in the specialty chemicals industry within the Basic Materials sector and carries a market capitalization of $128.0K.
TSEOQ has declined 65.0% over the past month. The last closing price was $0.0035.
For FY2025, Trinseo PLC reported revenue of $3.0B with net income of -$545.6M and diluted earnings per share of -$15.24. The company operates at a net profit margin of -18.3%.
This page collects what Stock Titan holds for TSEOQ, including price data, latest news, SEC filings, financial highlights, and short interest trends.
Stock Performance
Trinseo PLC (TSEOQ) closed at $0.0035 on November 6, 2026. Over the past month, the price has lost 65.0%.
TSEOQ Metrics & Rankings
Price returns through November 6, 2026. Month and year figures include the first trading day. Ranking links may use different dates.
Latest News
Trinseo PLC has 1 recent news article. Key topics include earnings. View all TSEOQ news →
SEC Filings
Trinseo PLC has filed 10 recent SEC filings, including 5 Form 8-K, 2 Form 10-Q, 1 Form SCHEDULE 13G/A, 1 Form ARS. The most recent filing was submitted on . SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all TSEOQ SEC filings →
Financial Highlights
Trinseo PLC generated $3.0B in revenue in FY2025, retaining a 5.6% gross margin, operating income reached -$254.2M (-8.5% operating margin), and net income was -$545.6M, reflecting a -18.3% net profit margin. Diluted earnings per share stood at -$15.24. The company generated -$102.4M in operating cash flow. The current ratio was 1.21, measuring current assets divided by current liabilities.
Upcoming Events
Short Interest History
Short interest in Trinseo PLC (TSEOQ) currently stands at 2.3 million shares, up 25.9% from the previous reporting period, representing 6.6% of the float. Since May 2026, short interest has increased by 74.1%.
Days to Cover History
Days to cover for Trinseo PLC (TSEOQ) currently stands at 1000.0 days. The ratio is the reported short interest divided by the average daily trading volume. Since May 2026, the figure has increased by 432.1%. Across the settlements charted above, it has ranged from 25.4 to 1000.0 days.
TSEOQ Company Profile & Sector Positioning
Trinseo PLC (TSEOQ) operates in the Specialty Chemicals industry within the broader Basic Materials sector and is listed on the OTC.
Investors comparing TSEOQ often look at related companies in the same sector, including Nano Magic Inc (NMGX), C-Bond Systems Inc (CBNT), Endocan Corp (ENDO), Tiderock Companies Inc (TDRK), and Industrial Nanotech Inc (INTK). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate TSEOQ's relative position within its industry.