Koppers Holdings Inc
For the period ended Mar 31, 2024. Filed May 3, 2024.
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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.
Mar 31, 2024 · Filed May 3, 2024
KOP$29.33-2.1%Stored close · as of Nov 9, 2026
Extracted filing text, with the paragraph anchors used by the comparison.
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Item 6. EXHIBITS
| 3.1* | Third Amended and Restated Bylaws of Koppers Holdings Inc., as amended on May 2, 2024. |
| 31.1* | Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. |
| 31.2* | Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. |
| 32.1* | Certification of Chief Executive Officer and Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. |
| 101.INS* | Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded with the Inline XBRL document. |
| 101.SCH* | Inline XBRL Taxonomy Extension Schema With Embedded Linkbase Documents |
| 104 | Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101) |
- Filed herewith.
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 thereunto duly authorized.
| KOPPERS HOLDINGS INC.(REGISTRANT) | |||
| Date: May 3, 2024 | By: | /s/ Jimmi Sue Smith | |
|---|---|---|---|
| Jimmi Sue SmithChief Financial Officer | |||
| (Principal Financial Officer and Duly Authorized Officer) | |||
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