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AI brief of an SEC Form 8-K · Koppers Holdings (KOP)

Koppers Chief Sustainability Officer Leslie Hyde to retire March 31, 2025

Neutral Impact 2 of 5 leadership Written later

Koppers Holdings said Chief Sustainability Officer Leslie S. Hyde will retire on March 31, 2025, as part of a managed transition plan. Effective December 9, 2024, she moves into an Assistant to the CEO role until her retirement.

Key points

  • Leslie S. Hyde, SVP and Chief Sustainability Officer of Koppers Inc., will retire effective March 31, 2025.
  • Effective December 9, 2024, she vacates her current position and becomes Assistant to the Chief Executive Officer.
  • The change follows a managed transition plan, and the filing gives no successor name.

The filing

CompanyKoppers Holdings (KOP)
Form8-K, current report
Filed with the SECDec 9, 2024, 7:58 AM ET
Accession number0000950170-24-134339

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI (Anthropic Claude, claude-haiku-5-5) on Nov 8, 2026, 2:07 AM ET, from the text of the filing and its press-release exhibits only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on December 09, 2024.

Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.