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CIK 0001315257 · Large accelerated filer

Koppers Holdings Inc.

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Ticker
KOP
Exchange
NYSE
Industry
Lumber & Wood Products (No Furniture)
FY end
Dec 31
Incorporated
PA
Entity type
operating
EIN
201878963
Phone
412-227-2001
Business address
436 SEVENTH AVENUE, PITTSBURGH, PA, 15219
Former names
KI Holdings Inc.
  1. 4 Insider Changes in Ownership
  2. 4 Insider Changes in Ownership
  3. 4 Insider Changes in Ownership
  4. 4 Insider Changes in Ownership
  5. 4/A Insider Changes in Ownership
  6. 4/A Insider Changes in Ownership
  7. 424B3 Offering Prospectus
  8. EFFECT Other Notice of Effectiveness
  9. 4 Insider Changes in Ownership
  10. 4 Insider Changes in Ownership
  11. 4 Insider Changes in Ownership
  12. 4 Insider Changes in Ownership
  13. 4 Insider Changes in Ownership
  14. 4 Insider Changes in Ownership
  15. 4 Insider Changes in Ownership
  16. S-3/A Offering Registration Statement
  17. 8-K Event Results of operations
  18. S-3 Offering Registration Statement
  19. 10-Q Report Quarterly Report
  20. SC 13G/A Stake Amended Statement of Ownership

Page 98 of 102 · 2,031 filings