---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-052333"
form_type: "8-K"
ticker: "TSEOF"
cik: "0001519061"
company_name: "Trinseo PLC"
filed_at: "2026-04-30T23:59:59+00:00"
generated_at: "2026-05-15T00:43:04.561605+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Trinseo Q1 net loss $116M, adj. EBITDA $53M; cash burn $244M; adds $50M revolver

## Summary
- Net loss of $116M ($3.20 EPS) widened from $79M ($2.22) prior year; adjusted net loss $75M ($2.06 EPS).
- Adjusted EBITDA $53M vs $65M prior, down 18%; net sales $725M, down 8% on lower prices and volumes.
- Free cash flow negative $244M; cash $114M; amended revolver adding $50M incremental commitments in April.
- Segment: Engineered Materials EBITDA +$8M; Polymer Solutions -$20M due to prior year licensing income.
- $31M pre-tax charges related to lender negotiations and asset restructuring programs.

## SEC filing metadata
- accession: 0001104659-26-052333
- form_type: 8-K
- ticker: TSEOF
- cik: 0001519061
- company_name: Trinseo PLC
- filed_at: 2026-04-30T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1519061/000110465926052333/0001104659-26-052333-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1519061/000110465926052333/tse-20260430x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-052333
- JSON: https://secwatch.observer/filing/0001104659-26-052333.json
- Plain text: https://secwatch.observer/filing/0001104659-26-052333.txt

## Key facts
- Earnings Releases
  Trinseo PLC reported financial results for first quarter and year ended March 31, 2026.
  - Period: first quarter and year ended March 31, 2026
  - Result: reported results
  source text: On April 30, 2026, Trinseo PLC, a public limited company existing under the laws of Ireland (the “Company”), issued a press release announcing its financial results for the first quarter and year ended March 31, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1519061/000110465926052333/0001104659-26-052333-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.