TSEOF at a glance
Trinseo PLC (TSEOF, SEC CIK 1519061) filed its latest 10-K annual report on March 13, 2026, a 10-Q quarterly report on August 6, 2026, an 8-K current report on September 30, 2026 and Form 4 insider filings as recently as May 14, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended December 31, 2025 (FY2025), Trinseo PLC (TSEOF) reported revenue of $3.0 billion (down 15.3% from FY2024) and a net loss of $545.6 million. Diluted EPS was -$15.24.
- As of December 31, 2025, 17 institutional investment managers tracked by SignalX reported holding Trinseo PLC (TSEOF) shares worth $2.9 million in 13F-HR filings.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $3.0B
- −15.3% vs prior year
- Insiders · 90 days
- 0 buys · 0 sells
- No open-market trades
- 13F holders
- 17 funds
- $2.9M · −3 vs prior quarter
- Latest 8-K
- Sep 30, 2026
- Item 5.07 · Item 8.01
AI 10-K Annual Report Analysis
Latest 10-K, fiscal year ended Dec 31, 2025
Business Overview
- Core business model focused on manufacturing polymer and engineered material solutions with emphasis on sustainability and material substitution
- Restructuring of segment reporting: combined Engineered Materials, Plastics Solutions, and Polystyrene businesses into Polymer Solutions segment in 2024
- Recorded significant goodwill impairment charge of $349 million for Engineered Materials unit in 2023 due to weak demand and operating challenges
- Total goodwill balance reduced to $67.7 million as of December 31, 2025, allocated mainly to Polymer Solutions ($35.6M), Latex Binders, and Engineered Materials
- Ended all outstanding commodity cash flow and economic hedges by December 31, 2025, reflecting changes in commodity risk management approach
Risk Factors
- Deferred tax asset valuation allowance increased $442.7M due to cumulative losses and unreliable taxable income in Europe (France, Germany, Netherlands) as of 12/31/2025
- Exposure to income tax audits in multiple jurisdictions including Ireland, Luxembourg, and the U.S. with potential material adjustments from uncertain tax positions
- Pension plan assets $108.2M primarily invested in insurance contracts valued with unobservable Level 3 inputs, posing valuation uncertainty as of 12/31/2025
- 0.25% change in discount rate impacts 2026 pension expense for non-U.S. plans by ±$1.0M, reflecting sensitivity to interest rate fluctuations
- Concentration of deferred tax asset expirations of $42.5M between 2026 and 2030, risking loss of tax benefit if unused within period
Management Discussion & Analysis
- Focus on specialty materials and sustainable solutions with PMMA and Aristech acquisitions, divestiture of synthetic rubber and polycarbonate assets
- Restructuring programs target cost reductions, workforce cuts, and streamlined operations to improve profitability and cash flow
- Raw materials (butadiene, MMA, styrene) comprise 44% of COGS; cost volatility and supply risks could materially impact margins
- Management warns of risks including restructuring costs, execution delays, and adverse market impacts on financial results and stock price
AI summary of the TSEOF 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K
AI 10-Q Quarterly Report Analysis
Latest 10-Q, quarter ended Jun 30, 2026
Management Discussion & Analysis
- Quarterly revenue $845.4M, up 8% YoY from $784.3M
- Gross margin 12% vs 5% YoY; operating margin 0% vs negative 4%
- Best segment Polymer Solutions: Adjusted EBITDA $43.4M, up 735%; margin 14% vs 2%
- Worst segment Americas Styrenics: Adjusted EBITDA $1.2M, down 85% from $8.2M
- Liquidity actions included $75.0M incremental revolver commitments; $2.0B debt discharge expected
- Outlook: 2026 demand generally consistent with 2025 amid delayed recovery, tariffs, and geopolitical volatility
Risk Factors
- Newly added bankruptcy risk triggered by May 26, 2026 Chapter 11 filing
- Equity impairment risk: existing lenders expected to receive 100% of reorganized equity
- Regulatory risk: Irish High Court discretion could block key Plan implementation
- Operational risk: protracted bankruptcy may drive customer, supplier, and employee attrition
- Liquidity risk: free cash flow, operating cash, and DIP proceeds may not fund restructuring costs
AI summary of the TSEOF 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K
AI 8-K Current Report Analysis
The most recent material events, by 8-K item
Item 5.07: Submission of Matters to a Vote of Security Holders
- Annual meeting completed after initial quorum failure; 491,031 shares present or represented
- Shareholders elected all eleven directors through the 2027 annual meeting, with 487,709–491,031 votes for each
Item 8.01: Other Events
- Extraordinary General Meeting held September 30, 2026 after September 23 adjournment for lack of quorum
- Meeting triggered by Irish Companies Act Section 1111, reflecting net assets at or below half of called-up share capital
Item 8.01: Other Events
- Extraordinary General Meeting adjourned from September 23 to September 30, 2026 due to insufficient quorum
- Adjourned meeting location: Wayne, Pennsylvania, with Ireland video link at 1:45 p.m. IST
Item 5.07: Submission of Matters to a Vote of Security Holders
- 2026 annual meeting adjourned from September 23 to September 30, 2026 after failure to achieve quorum
- Shareholders must act to establish quorum and vote on unchanged proposals
Item 8.01: Other Events
- Standalone net assets fell to half or less of called-up share capital, triggering Irish Companies Act Section 1111 requirements
- Extraordinary general meeting scheduled for September 23, 2026 to consider potential remedial measures
Item EX-99.1: Item EX-99.1
- EGM required after directors determined net assets are half or less of called-up share capital
- Shareholder meeting scheduled September 23, 2026 under Ireland Companies Act Section 1111
AI summaries of TSEOF 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for TSEOF
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Desmond Jeanmarie F. | J | May 12, 2026 | 42,484 | - |
| Johnson KLynne | J | May 12, 2026 | 42,484 | - |
| LIN SANDRA BEACH | J | May 12, 2026 | 42,484 | - |
| STEINMETZ HENRI | J | May 12, 2026 | 42,484 | - |
| COTE JEFFREY J | J | May 12, 2026 | 42,484 | - |
| FARRELL MATTHEW | J | May 12, 2026 | 42,484 | - |
| ALVARADO JOSEPH | J | May 12, 2026 | 42,484 | - |
| FARRELL MATTHEW | J | May 12, 2026 | 42,484 | - |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Profitability | |||
| Revenue | - | $3.5B | $3.0B |
| Gross Profit | $142.3M | $265.6M | $165.9M |
| Operating Income | - | -$46.0M | -$254.2M |
| Net Income | -$701.3M | -$348.5M | -$545.6M |
| Gross Margin | - | 7.6% | 5.6% |
| Op. Margin | - | -1.3% | -8.5% |
| Net Margin | - | -9.9% | -18.3% |
| Balance Sheet | |||
| Total Assets | $3.0B | $2.6B | $2.3B |
| Equity | - | -$619.9M | -$1.1B |
| ROE | - | 56.2% | 49.7% |
| Per Share | |||
| EPS | $-19.88 | $-9.86 | $-15.24 |
| Cash Flow | |||
| Operating CF | - | -$14.2M | -$102.4M |
Source: XBRL data in Trinseo PLC (TSEOF)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q4 2025Aggregate TSEOF share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q4 2025 | 17 | $2.9M |
| Q3 2025 | 20 | $13.6M |
| Q2 2025 | 20 | $20.6M |
| Q1 2025 | 16 | $16.3M |
| Q4 2024 | 12 | $15.5M |
| Q3 2024 | 10 | $12.8M |
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Source: 13F-HR filings on SEC EDGAR (aggregated from 95 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
TSEOF filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
10-K annual reports
10-Q quarterly reports
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 8-K | Sep 30, 2026 | - | Analysis | - |
| 8-K | Sep 23, 2026 | - | Analysis | - |
| 8-K | Aug 14, 2026 | - | Analysis | - |
| 10-Q | Aug 6, 2026 | Jun 30, 2026 | Analysis | |
| 8-K | Aug 6, 2026 | - | Analysis | - |
| 8-K | Jul 17, 2026 | - | Analysis | - |
| 8-K | Jun 12, 2026 | - | - | - |
| 8-K | Jun 1, 2026 | - | Analysis | |
| 8-K | May 26, 2026 | - | Analysis | |
| 8-K | May 15, 2026 | - | Analysis | |
| 4 | May 14, 2026 | - | - | |
| 4 | May 14, 2026 | - | - | |
| 4 | May 14, 2026 | - | - | |
| 4 | May 14, 2026 | - | - | |
| 4 | May 14, 2026 | - | - | |
| 4 | May 14, 2026 | - | - | |
| 4 | May 14, 2026 | - | - | |
| 8-K | May 14, 2026 | - | Analysis | |
| 4 | May 14, 2026 | - | - | |
| 8-K | Apr 30, 2026 | - | Analysis | - |
| 8-K | Apr 30, 2026 | - | Analysis | - |
| 10-Q | Apr 30, 2026 | Mar 31, 2026 | Analysis | |
| 8-K | Apr 15, 2026 | - | Analysis | - |
| 8-K | Apr 13, 2026 | - | - | - |
| 8-K | Mar 20, 2026 | - | - | - |
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TSEOF SEC filings: frequently asked questions
Which institutions hold TSEOF stock?
As of December 31, 2025, the largest Trinseo PLC (TSEOF) holders among the 13F filers tracked by SignalX were BlackRock ($1.2 million), Vanguard Group Inc ($380,000), Goldman Sachs Group ($288,000), Morgan Stanley ($266,000), State Street Corp ($238,000). 13F-HR reports are filed up to 45 days after each quarter ends.
What was TSEOF's revenue in fiscal year 2025?
For the fiscal year ended December 31, 2025 (FY2025), Trinseo PLC (TSEOF) reported revenue of $3.0 billion (down 15.3% from FY2024) and a net loss of $545.6 million. Diluted EPS was -$15.24. The figures come from the XBRL data in the 10-K.
What are the main risks in TSEOF's latest 10-K?
In the 10-K filed March 13, 2026, Trinseo PLC (TSEOF) flagged: Deferred tax asset valuation allowance increased $442.7M due to cumulative losses and unreliable taxable income in Europe (France, Germany, Netherlands) as of 12/31/2025. Exposure to income tax audits in multiple jurisdictions including Ireland, Luxembourg, and the U.S. with potential material adjustments from uncertain tax positions. (AI summary of the Risk Factors section.)
What did TSEOF report in its latest 8-K?
Trinseo PLC (TSEOF) filed an 8-K on September 30, 2026 reporting Item 5.07 (Submission of Matters to a Vote of Security Holders) and Item 8.01 (Other Events). Annual meeting completed after initial quorum failure; 491,031 shares present or represented.
What are the latest TSEOF SEC filings?
Trinseo PLC (TSEOF) filed its latest 10-K annual report on March 13, 2026, a 10-Q quarterly report on August 6, 2026, an 8-K current report on September 30, 2026 and a Form 4 insider filing on May 14, 2026.
What is TSEOF's SEC CIK number?
Trinseo PLC (TSEOF)'s SEC Central Index Key (CIK) is 1519061. EDGAR lists every TSEOF filing under that number.
Ask anything about TSEOF
The research agent reads TSEOF's filings, financials, insider trades and 13F holders, then answers with sources.