---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-22-018794"
form_type: "8-K"
ticker: "TSEOF"
cik: "0001519061"
company_name: "Trinseo PLC"
filed_at: "2022-12-19T23:59:59+00:00"
generated_at: "2026-06-21T02:29:24.736605+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Trinseo plans plant closures in Germany, Mexico, Finland; expects $79M-$89M restructuring charges

## Summary
- Approves restructuring plan to close Boehlen, Germany styrene plant, partial Stade polycarbonate line, Matamoros PMMA sheet site, and cut Hamina SB latex capacity.
- Expects total restructuring charges of $79M-$89M, with $55M-$61M in Q4 2022; cash portion $67M-$77M through 2024.
- EU Commission fines company €32.6M for styrene purchasing probe; fine already accrued and paid in December 2022.
- Plan aims to reduce costs, improve profitability, and address cyclical markets and high natural gas prices.

## SEC filing metadata
- accession: 0001558370-22-018794
- form_type: 8-K
- ticker: TSEOF
- cik: 0001519061
- company_name: Trinseo PLC
- filed_at: 2022-12-19T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.05, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1519061/000155837022018794/0001558370-22-018794-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1519061/000155837022018794/tse-20221213x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-22-018794
- JSON: https://secwatch.observer/filing/0001558370-22-018794.json
- Plain text: https://secwatch.observer/filing/0001558370-22-018794.txt

## Key facts
- Restructurings & Charges
  Trinseo PLC announced a restructuring with charges of $79 million to $89 million affecting Boehlen, Germany styrene plant; Stade, Germany polycarbonate line; Matamoros, Mexico PMMA sheet site; Hamina, Finland SB latex plant.
  - Type: restructuring
  - Charge: $79 million to $89 million
  - Affected area: Boehlen, Germany styrene plant; Stade, Germany polycarbonate line; Matamoros, Mexico PMMA sheet site; Hamina, Finland SB latex plant
  source text: The Company expects to incur total restructuring charges in connection with the Restructuring Plan ranging from approximately $79 million to $89 million.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1519061/000155837022018794/0001558370-22-018794-index.htm

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