10-K annual report · filed Mar 13, 2026

Trinseo PLC (TSEOF) FY2025 10-K Annual Report

Short answer

Trinseo PLC (TSEOF) filed its fiscal 2025 10-K annual report with the SEC on Mar 13, 2026. It reported revenue of $3.0B (−15.3% year over year) and net income of −$546M.

  • Top risk 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

FY2025 key financial metrics · XBRL

Revenue
$3.0B
−15.3% YoY
Net income
−$546M
−56.6% YoY
Operating margin
-8.5%
−7.2 pp YoY
Gross margin
5.6%
−2.0 pp YoY
EPS (diluted)
−$15.24
−54.6% YoY
ROE
49.7%
−6.5 pp YoY
Operating cash flow
−$102M
−621.1% YoY

Source: XBRL data from the Trinseo PLC (TSEOF) FY2025 10-K on SEC EDGAR. USD.

Trinseo PLC FY2025 10-K analysis

AI summary of each section, grounded in the filing text

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

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

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

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