Trinseo PLC (TSEOF) Stock Price, News & Analysis
What Changed
Price Move History
- Daily moves over 5%
- 27 54 sessions, March 3, 2026 to May 26, 2026
- Largest daily move
- +692.1% close of March 10, 2026
- 1-month change
- -87% closing prices, April 24, 2026 to May 26, 2026
Company Description
Trinseo PLC (OTC: TSEOF) is classified in the specialty chemicals industry within the Basic Materials sector.
TSEOF declined 87.0% in the month to May 26, 2026. The last closing price was $0.0130.
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 TSEOF, including price data, latest news, SEC filings, financial highlights, and short interest trends.
Stock Performance
Trinseo PLC (TSEOF) closed at $0.0130 on May 26, 2026. In the month to May 26, 2026, the price lost 87.0%.
TSEOF Metrics & Rankings
Price returns through May 26, 2026. Month and year figures include the first trading day. Ranking links may use different dates.
Latest News
Trinseo PLC has 4 recent news articles. Of the recent coverage, 1 article coincided with positive price movement and 2 with negative movement. Key topics include earnings. View all TSEOF news →
SEC Filings
Trinseo PLC has filed 10 recent SEC filings, including 5 Form 4, 3 Form 8-K, 1 Form 8-K/A, 1 Form SCHEDULE 13G/A. The most recent filing was submitted on . SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all TSEOF 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 (TSEOF) currently stands at 1.3 million shares, up 0.4% from the previous reporting period, representing 3.9% of the float. Since March 2026, short interest has decreased by 32.8%.
Days to Cover History
Days to cover for Trinseo PLC (TSEOF) currently stands at 46.0 days, up 24.2% from the previous period. The ratio is the reported short interest divided by the average daily trading volume. Since March 2026, the figure has increased by 4498%. Across the settlements charted above, it has ranged from 1.0 to 46.0 days.
TSEOF Company Profile & Sector Positioning
Trinseo PLC (TSEOF) operates in the Specialty Chemicals industry within the broader Basic Materials sector and is listed on the OTC.
Investors comparing TSEOF often look at related companies in the same sector, including L'Air Liquide SA (AIQUY), Givaudan AG (GVDBF), Novonesis A S (NVZMF), Novonesis B (NVZMY), and DSM-Firmenich AG (DSFIY). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate TSEOF's relative position within its industry.