---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-23-012302"
form_type: "8-K"
ticker: "TSEOF"
cik: "0001519061"
company_name: "Trinseo PLC"
filed_at: "2023-07-26T23:59:59+00:00"
generated_at: "2026-06-13T02:18:43.121338+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Trinseo CAO Bernard Skeete resigns effective Aug 4; CFO Stasse assumes interim role

## Summary
- Bernard Skeete resigns as VP and CAO effective August 4, 2023 to pursue a new opportunity.
- No dispute with company, management, or board regarding operations, policies, or accounting practices.
- CFO David Stasse to serve as interim principal accounting officer until successor is appointed.
- Stasse's existing compensation unchanged; no arrangements or family relationships with directors/officers.

## SEC filing metadata
- accession: 0001558370-23-012302
- form_type: 8-K
- ticker: TSEOF
- cik: 0001519061
- company_name: Trinseo PLC
- filed_at: 2023-07-26T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1519061/000155837023012302/0001558370-23-012302-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1519061/000155837023012302/tse-20230720x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-23-012302
- JSON: https://secwatch.observer/filing/0001558370-23-012302.json
- Plain text: https://secwatch.observer/filing/0001558370-23-012302.txt

## Key facts
- Executive change
  Bernard Skeete resigned as Vice President and Chief Accounting Officer at Trinseo PLC.
  - Action: resigned
  - Role: Vice President and Chief Accounting Officer
  source text: On July 20, 2023, Bernard Skeete informed Trinseo PLC (the “Company”) of his decision to resign from his position as Vice President and Chief Accounting Officer of the Company to pursue a new opportunity, effective August 4, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1519061/000155837023012302/0001558370-23-012302-index.htm
- Executive change
  David Stasse changed role as Chief Financial Officer (interim principal accounting officer) at Trinseo PLC.
  - Action: will serve as interim principal accounting officer
  - Role: Chief Financial Officer (interim principal accounting officer)
  source text: David Stasse, the Company’s Chief Financial Officer, will serve as the Company’s interim principal accounting officer until Mr. Skeete’s successor is appointed.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1519061/000155837023012302/0001558370-23-012302-index.htm

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