UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
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Date of Report (Date of earliest event reported): November 14, 2025 |
KAISER ALUMINUM CORPORATION
(Exact name of Registrant as Specified in Its Charter)
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Delaware |
1-09447 |
94-3030279 |
(State or Other Jurisdiction
of Incorporation) |
(Commission File Number) |
(IRS Employer
Identification No.) |
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1550 West McEwen Drive Suite 500 |
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Franklin, Tennessee |
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37067 |
(Address of Principal Executive Offices) |
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(Zip Code) |
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Registrant’s Telephone Number, Including Area Code: (629) 252-7040 |
(Former Name or Former Address, if Changed Since Last Report)
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:
☐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))
Securities registered pursuant to Section 12(b) of the Act:
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Title of each class
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Trading
Symbol(s) |
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Name of each exchange on which registered
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Common stock, par value $0.01 per share |
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KALU |
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Nasdaq Global Select Market |
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 ☐
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. ☐
Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
On November 14, 2025, Jason D. Walsh, the Executive Vice President – Manufacturing of Kaiser Aluminum Corporation (the “Company”), notified the Company of his decision to take leave from the Company for health reasons effective as of November 17, 2025. Thomas H. Robb has been appointed as the Company’s Senior Vice President – Manufacturing and will assume Mr. Walsh’s role.
Mr. Robb, age 50, joined the Company in August 2024 and previously served as the Company’s Vice President – Finance and Packaging.
A copy of the press release announcing the appointment of Mr. Robb is attached hereto as Exhibit 99.1 and incorporated herein by reference.
Item 9.01 Financial Statements and Exhibits.
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.
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Kaiser Aluminum Corporation |
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Date: |
November 17, 2025 |
By: |
/s/ Cherrie I. Tsai |
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Cherrie I. Tsai
Vice President, Deputy General Counsel and Corporate Secretary |