secwatch.observer — SEC 8-K summary
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Issuer:     Koppers Holdings Inc. (KOP)
CIK:        0001315257
Form:       8-K
Filed at:   2025-11-05T23:59:59+00:00
Accession:  0001315257-25-000006
Event type: leadership
Sentiment:  neutral
Materiality: 0.25
Item codes: 5.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Koppers expands board to nine, elects Laura Posadas as director
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- Board increased from eight to nine directors; Laura Posadas elected effective Nov 5, 2025.
- Posadas is CEO of Canlak Coatings (wood coating systems), with 20+ years specialty chemicals experience.
- Board determined she is independent under NYSE rules; committees not yet assigned.
- Will stand for election at 2026 annual meeting; compensation per standard non-employee director plan.
- No reportable transactions or arrangements with company; no material relationships.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1315257/000131525725000006/0001315257-25-000006-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1315257/000131525725000006/kop-20251105.htm
  HTML page:      https://secwatch.observer/filing/0001315257-25-000006

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