Kaiser Aluminum declares $0.77 quarterly dividend

The $0.77-per-share payment is payable November 13, 2026, to stockholders of record at the close of business October 23, 2026.

Rhea-AI Filing Summary

Kaiser Aluminum Corporation (KALU) declared a quarterly cash dividend of $0.77 per share. The dividend is payable November 13, 2026, to stockholders of record at the close of business October 23, 2026.

8-K Event Classification

2 items: 8.01, 9.01

2 items

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

Key Figures

Quarterly cash dividend: $0.77 per share Record date: October 23, 2026 Payment date: November 13, 2026

3 metrics

Quarterly cash dividend $0.77 per share Declared by the board of directors

Record date October 23, 2026 Stockholders of record as of the close of business

Payment date November 13, 2026 Dividend payable date

Key Terms

stockholders of record, par value, forward-looking statements

3 terms

stockholders of record financial

"payable on November 13, 2026 to stockholders of record"

Stockholders of record are the people or entities whose names appear on a company's official shareholder list on a specific cutoff date set by the company or its transfer agent; only those listed are entitled to receive dividends, vote at shareholder meetings, or participate in other corporate actions. Think of it like a guest list for an event: being on the list on the set day determines who gets the benefits and rights, so investors must own shares before the cutoff to qualify.

par value financial

"Common stock, par value $0.01 per share"

Par value is the fixed amount printed on a bond or stock that represents its original value when issued. It’s like the face value of a coin or bill—what the issuer promises to pay back or the starting price of a stock—though it often doesn’t change with market prices. It matters because it helps determine certain financial details, like how much the company will pay back at maturity.

forward-looking statements regulatory

"constitute “forward-looking statements”"

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What dividend did KALU declare?

Kaiser Aluminum declared a quarterly cash dividend of $0.77 per share, payable November 13, 2026, to stockholders of record as of the close of business October 23, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/13/2026 - 04:40 PM EDT Accepted by SEC EDGAR 10/13/2026 - 04:40 PM EDT Learn about SEC filing dates

false0000811596KAISER ALUMINUM CORP00008115962026-10-132026-10-13

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

Date of Report (Date of earliest event reported): October 13, 2026

KAISER ALUMINUM CORPORATION

(Exact name of Registrant as Specified in Its Charter)

Delaware			1-09447	94-3030279
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
1550 West McEwen Drive Suite 500
Franklin, Tennessee				37067
(Address of Principal Executive Offices)				(Zip Code)

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:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common stock, par value $0.01 per share		KALU		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 8.01 Other Events.

On October 13, 2026, Kaiser Aluminum Corporation announced that its board of directors declared a quarterly cash dividend on its common stock of $0.77 per share. The dividend will be payable on November 13, 2026 to stockholders of record as of the close of business on October 23, 2026. A copy of the press release is attached hereto as Exhibit 99.1.

The information contained in the press release shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 ("Exchange Act"), or otherwise subject to liability of that section. In addition, this information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act, or the Exchange Act, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in the filing.

Item 9.01 Financial Statements and Exhibits.

Exhibit Number		Description
99.1		Press release dated October 13, 2026.
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.

			Kaiser Aluminum Corporation
Date:	October 13, 2026	By:	/s/ Cherrie I. Tsai
			Cherrie I. Tsai Vice President, Deputy General Counsel and Corporate Secretary

Exhibit 99.1

FOR IMMEDIATE RELEASE

Kaiser Aluminum Corporation Announces Quarterly Dividend Payment

FRANKLIN, Tenn., October 13, 2026 – Kaiser Aluminum Corporation (NASDAQ:KALU) today announced that its Board of Directors has declared a quarterly cash dividend of $0.77 per share. The dividend will be payable on November 13, 2026 to stockholders of record as of the close of business on October 23, 2026.

About Kaiser Aluminum Corporation

Kaiser Aluminum Corporation, headquartered in Franklin, Tenn., is a leading producer of semi-fabricated specialty aluminum products, serving customers worldwide with highly-engineered solutions for aerospace and high-strength, packaging, general engineering, automotive extrusions, and other industrial applications. The Company’s North American facilities produce value-added plate, sheet, coil, extrusions, rod, bar, tube, and wire products, adhering to traditions of quality, innovation, and service that have been key components of the culture since the Company was founded in 1946. The Company’s stock is included in the Russell 2000® index and the S&P Small Cap 600® index.

Available Information

For more information, please visit the Company’s website at www.kaiseraluminum.com. The website includes a section for investor relations under which the Company provides notifications of news or announcements regarding its financial performance, including Securities and Exchange Commission (SEC) filings, investor events, and earnings and other press releases. In addition, all Company filings submitted to the SEC are available through a link to the section of the SEC’s website at www.sec.gov, which includes: Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and Proxy Statements for the Company’s annual stockholders’ meetings, and other information statements as filed with the SEC. In addition, the Company provides a webcast of its quarterly earnings calls and certain events in which management participates or hosts with members of the investment community.

Forward-Looking Statements

This press release contains statements based on management’s current expectations, estimates and projections that constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 involving

known and unknown risks and uncertainties that may cause actual results, performance or achievements of the Company to be materially different from those expressed or implied. These factors include: (a) general economic and business conditions, including the impact of geopolitical factors and governmental and other actions taken in response, tariffs, cyclicality, reshoring, labor challenges, supply interruptions, scrap availability and pricing, customer operation disruptions, customer inventory imbalances and supply chain issues and other conditions that impact demand drivers in the aerospace/high strength, packaging, general engineering, automotive extrusions and other end markets the Company serves; (b) the impact of the Company's future earnings, cash flows, financial condition, capital requirements and other factors on its financial strength, flexibility, ability to pay or increase future dividends and any decision by the Company's board of directors in that regard; and (c) other risk factors summarized in the Company's reports filed with the Securities and Exchange Commission including the Company's Form 10-K for the year ended December 31, 2025. All information in this release is as of the date of the release. The Company undertakes no duty to update any forward-looking statement to conform the statement to actual results or changes in the Company’s expectations.

Contact:

Addo Investor Relations

Investors@KaiserAluminum.com

629-252-7040

Filing Exhibits & Attachments

2 documents

Press Releases

• EX-99.1 EX-99.1 14.4 KB

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT 24.3 KB