secwatch.observer — SEC 8-K summary
======================================

Issuer:     Trinseo PLC (TSEOF)
CIK:        0001519061
Form:       8-K
Filed at:   2023-07-20T23:59:59+00:00
Accession:  0001558370-23-012026
Event type: leadership
Sentiment:  neutral
Materiality: 0.55
Item codes: 5.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Trinseo restructures ELT; three depart, three assume expanded roles
-------------------------------------------------------------------

- Three ELT members leaving: Andre Lanning (COO), Nicolas Joly, Jean-Luc Béal; effective Aug 1, 2023.
- ELT reduced from 12 to 9 members; Francesca Reverberi adds Engineered Materials leadership.
- Bregje Roseboom-Van Kessel to lead combined Plastics Solutions & Polystyrene/Feedstocks.
- James Ni assumes ownership of marketing and commercial excellence across Trinseo.
- Lanning's severance: 1.5x (base salary + target bonus) paid over 18 months; continued benefits.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1519061/000155837023012026/0001558370-23-012026-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1519061/000155837023012026/tse-20230720x8k.htm
  HTML page:      https://secwatch.observer/filing/0001558370-23-012026

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer