8-K current report · filed May 8, 2026

Koppers Holdings Inc. (KOP) 8-K Current Report: May 8, 2026

Item 2.02Item 2.05Item 5.02Item 5.07Item 7.01KOP overviewOriginal on SEC EDGAR

Short answer

Koppers Holdings Inc. (KOP) filed an 8-K current report with the SEC on May 8, 2026 reporting Item 2.02 (Results of Operations and Financial Condition), Item 2.05 (Costs Associated with Exit or Disposal Activities), Item 5.02 (Departure/Election of Directors or Officers), Item 5.07 (Submission of Matters to a Vote of Security Holders), Item 7.01 (Regulation FD Disclosure). Q1 2026 earnings press release issued May 8, 2026.

Koppers Holdings Inc. 8-K event analysis

AI summary of each reported item and its exhibits

Item 2.02 · Results of Operations and Financial Condition

  • Q1 2026 earnings press release issued May 8, 2026
  • Financial results and management commentary available in Exhibit 99.1
  • Earnings disclosure provides investors the company’s latest quarterly operating update

Item 2.05 · Costs Associated with Exit or Disposal Activities

  • Conditional Stickney shutdown targeting December 31, 2026, pending union negotiations; approximately 85 employees affected
  • Production tentatively shifting to Nyborg, Denmark in fourth quarter 2026, with Stickney’s post-production use under evaluation
  • Total pre-tax charges of $227 million–$262 million through 2029, creating significant restructuring pressure
  • Non-cash charges of $170 million–$195 million, primarily accelerated depreciation and asset write-downs
  • Cash expenditures of $57 million–$67 million, including $52 million–$62 million for cleanup, waste disposal, and demolition

Item 5.02 · Departure/Election of Directors or Officers

  • Shareholders approved the ESPP amendment at the May 7, 2026 annual meeting
  • Employee stock-purchase terms changed, potentially affecting future share issuance and dilution
  • Amendment details in Exhibit 10.1 and the 2026 Proxy Statement for assessing employee participation economics

Item 5.07 · Submission of Matters to a Vote of Security Holders

  • All eight director nominees elected to one-year terms expiring in 2027, preserving board continuity
  • Employee stock purchase plan amendment approved, supporting continued equity-based employee participation
  • Executive compensation advisory vote approved with 16,543,516 votes for, indicating shareholder support
  • KPMG LLP appointment ratified for fiscal 2026 with 18,118,616 votes for and no broker non-votes

Item 7.01 · Regulation FD Disclosure

  • Conditional plan to discontinue Stickney, Illinois distillation and chemical manufacturing operations
  • Closure decision creates potential earnings charges and cash outlays, with timing and amounts still subject to finalization
  • Cost exposure includes employee severance, demolition, site clearing, environmental remediation, and asset retirement
  • Union bargaining and retention arrangements remain key execution risks
  • Forward-looking estimates may change materially as closure accounting and costs are finalized

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