Koppers Holdings INC. 8-K Filing
Ticker: KOP · Form: 8-K · Filed: Nov 5, 2025 · CIK: 1315257
| Field | Detail |
|---|---|
| Company | Koppers Holdings INC. (KOP) |
| Form Type | 8-K |
| Filed Date | Nov 5, 2025 |
| Pages | 2 |
| Reading Time | 3 min |
| Sentiment | neutral |
Sentiment: neutral
FAQ
What type of filing is this?
This is a 8-K filing submitted by Koppers Holdings INC. (ticker: KOP) to the SEC on Nov 5, 2025.
How long is this filing?
Koppers Holdings INC.'s 8-K filing is 2 pages with approximately 692 words. Estimated reading time is 3 minutes.
Where can I view the full 8-K filing?
The complete filing is available on SEC EDGAR. You can also read the AI-decoded analysis with risk assessment and key highlights on ReadTheFiling.
Filing Stats: 692 words · 3 min read · ~2 pages · Grade level 10.8 · Accepted 2025-11-05 16:35:08
Filing Documents
- kop-20251105.htm (8-K) — 26KB
- ex991newboardmember.htm (EX-99.1) — 8KB
- a1.jpg (GRAPHIC) — 124KB
- 0001315257-25-000006.txt ( ) — 321KB
- kop-20251105.xsd (EX-101.SCH) — 2KB
- kop-20251105_lab.xml (EX-101.LAB) — 21KB
- kop-20251105_pre.xml (EX-101.PRE) — 12KB
- kop-20251105_htm.xml (XML) — 3KB
01 Financial Statements and Exhibits
Item 9.01 Financial Statements and Exhibits. (d) Exhibits. 99.1 Press Release dated November 5, 2025 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).
SIGNATURES
SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Dated: November 5, 2025 KOPPERS HOLDINGS INC. By: /s/ Jimmi Sue Smith Jimmi Sue Smith Chief Financial Officer and Treasurer