Welcome to our dedicated page for Trinseo Plc SEC filings (Ticker: TSE), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Parsing raw-material volatility, styrene spread tables, and environmental liabilities hidden in Trinseo’s disclosures can overwhelm even seasoned analysts. If you have ever Googled “Trinseo quarterly earnings report 10-Q filing” or searched EDGAR for “Trinseo insider trading Form 4 transactions”, you already know the challenge: dozens of lengthy PDFs, each packed with chemical-industry jargon.
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Wondering where the real value hides? Check the filings most investors skim:
- 10-K annual report: Polymer Solutions revenue drivers and environmental remediation reserves—“Trinseo annual report 10-K simplified”.
- 10-Q quarterly update: Styrene index movements and working-capital swings—perfect for “Trinseo earnings report filing analysis”.
- Form 4: Real-time “Trinseo executive stock transactions Form 4” to gauge insider sentiment.
- DEF 14A proxy: “Trinseo proxy statement executive compensation” details leadership incentives tied to resin margins.
- 8-K: Immediate alerts when plant outages or material agreements hit—“Trinseo 8-K material events explained”.
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Trinseo PLC approved one-time conditional cash retention bonuses for its named executive officers. The Compensation Committee granted awards of $3,200,000 to President and CEO Frank Bozich, $2,500,000 to Executive Vice President and CFO David Stasse, $1,700,000 to Senior Vice President Francesca Reverberi, $1,350,000 to Senior Vice President and Chief Legal Officer Angelo Chaclas, and $1,000,000 to Senior Vice President and Chief Human Resources Officer Paula Cooney. These retention awards were paid on or about January 8, 2026 and are conditioned on each executive remaining employed through March 31, 2027, except in the case of a defined Qualifying Termination, or else the awards must be fully repaid to the company.
Trinseo PLC received a notice from the New York Stock Exchange that it no longer meets two continued listing standards covering minimum market capitalization and minimum share price.
The NYSE cited a 30 trading‑day average global market capitalization of approximately
The company’s ordinary shares also averaged below the
Its shares will continue trading on the NYSE with a “.BC” indicator during the cure periods, and the notice does not change its ongoing business operations or SEC reporting obligations.
Trinseo PLC approved a restructuring plan to permanently close its polystyrene production operations in Schkopau, Germany and consolidate remaining polystyrene operations in Tessenderlo, Belgium. The company expects to record total pre-tax restructuring charges of $30 million to $40 million, including $3 million to $5 million of employee-related costs, $10 million to $14 million of asset-related charges, and $15 million to $21 million tied to exiting production activities such as contract terminations, demolition and decommissioning. Future cash payments related to these charges are estimated at $18 million to $24 million, with substantially all payments expected by the end of 2028. Actions under the plan are expected to begin in the fourth quarter of 2025 and be completed by the end of 2028, subject to local law requirements and negotiations with works councils and other stakeholders. The company estimates these initiatives will deliver about $10 million of annualized profitability improvement beginning in 2026.
Trinseo PLC reported a wider quarterly loss and lower sales in Q3 2025. Net sales were $743.2 million, down from $867.7 million a year ago, and gross profit fell to $37.4 million. The Company posted an operating loss of $28.2 million and a net loss of $109.7 million, compared with a net loss of $87.3 million in the prior-year period.
Year-to-date, net sales were $2,312.3 million with a net loss of $294.2 million. Interest expense remained elevated at $70.6 million for the quarter and $206.7 million year-to-date. Cash and cash equivalents were $112.1 million, and total debt (less unamortized deferred financing fees) was $2,522.9 million. Shareholders’ equity was a deficit of $861.6 million.
The Company continued restructuring efforts. Q3 activity under the 2024 Restructuring Plan and Stade Shutdown totaled $1.9 million of charges, and the 2023 plan recorded $1.8 million of charges. On October 2, 2025, Trinseo approved an MMA Restructuring Plan in Italy, with expected pre-tax charges of $80.0 million to $100.0 million and anticipated cash payments of $40.0 million to $50.0 million, with substantially all payments expected by the end of 2028.
Trinseo PLC (TSE) furnished a press release announcing its financial results for the third quarter and year ended September 30, 2025, and will host an investor call and webcast on November 7, 2025 at 10:30 AM Eastern Time to discuss the results. The company also made an investor presentation available on its website. The press release is furnished as Exhibit 99.1 and the investor presentation as Exhibit 99.2.
Insider transaction summary: An officer of Trinseo PLC reported a share disposition on
Johanna Frisch, VP and Treasurer of Trinseo PLC (TSE), reported a transaction on 09/30/2025 in which 2,194 ordinary shares were disposed of at a price of $2.35 per share. The filing states these shares were withheld by the company to pay taxes following the vesting of previously granted restricted stock units. After the withholding, the reporting person beneficially owned 15,898 ordinary shares. The Form 4 was signed by an attorney-in-fact on 10/02/2025.
Roger Greene, VP, Global Controller & PAO of Trinseo PLC (TSE), reported a transaction on 09/25/2025 in which 1,617 ordinary shares were disposed at $2.57 per share. The Form 4 indicates the shares were withheld by the company to pay taxes following the vesting of restricted stock units, and the reporting person now directly beneficially owns 49,856 shares. The filing was signed by an attorney-in-fact on behalf of the reporting person on 09/29/2025. The disclosure is a routine insider tax-withholding event rather than an open-market sale.
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