Koppers Holdings Inc 8-K/A, filed May 7, 2026
Koppers Holdings Inc. (KOP)
8-K/A
2026-05-07
For: 2025-11-05
View Original
Added on
May 07, 2026
About this 8-K/A
Koppers Holdings Inc filed this 8-K/A on May 7, 2026, reporting on events of November 5, 2025.
Items reported
- Item 5.02: Director or officer change, or executive pay
- Item 9.01: Financial statements and exhibits
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
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FORM 8-K/A
(Amendment No. 1)
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CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): November 5, 2025
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(Exact name of registrant as specified in its charter)
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| (State or other jurisdiction of incorporation) | (Commission File Number) | (IRS Employer Identification No.) | ||||||
| (Address of principal executive offices) | (Zip Code) | |||||||
Registrant’s telephone number, including area code: (412 ) 227-2001
Not Applicable
(Former name or former address, if changed since last report)
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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: (see General Instruction A.2. below)
| Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) | |||||
| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) | |||||
| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) | |||||
| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) | |||||
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered | ||||||||||||
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).
Emerging growth company o
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o
Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
On November 5, 2025, Koppers Holdings Inc. (the “Company”) filed a Current Report on Form 8-K (the “Original 8-K”) to report, among other things, the election of Laura J. Posadas as a member of the Board of Directors (the “Board”) of the Company, effective as of November 5, 2025. At the time the Original 8-K was filed, the Board had not determined the committees of the Board on which Ms. Posadas would serve.
This Current Report on Form 8-K/A is being filed as an amendment to the Original 8-K to report that on May 7, 2026, the Board appointed Ms. Posadas to serve as a member of its Audit Committee, Management Development and Compensation Committee and Strategy and Risk Committee, effective immediately.
Item 9.01 Financial Statements and Exhibits.
(d)Exhibits.
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document). | |||||||
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: May 7, 2026
| KOPPERS HOLDINGS INC. | |||||||||||
| By: | /s/ Bradley A. Pearce | ||||||||||
| Bradley A. Pearce | |||||||||||
| Interim Chief Financial Officer and Treasurer and Chief Accounting Officer | |||||||||||