Current Report · Items 8.01, 9.01 · 8-K

Kaiser Aluminum Corporation

KALUNASDAQEQUITYCurrent

Other Events

Filed Apr 13, 2026Accepted Apr 13, 2026, 4:40 PM EDTCIK 811596Accession 0001193125-26-152982

Company context

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.

Current securities

KALUNASDAQ · EQUITY · Current

Recent company filings

Disclosure sections

Items 8.01, 9.01

Select an item to read the extracted section. The as-filed document remains the primary evidence.

Item 8.01Item 8.01 - Other Events

Item 8.01 Other Events. On April 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 May 15, 2026 to stockholders of record as of the close of business on April 24, 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.

Filed exhibits (1)

EX-99.1 (by filename) kalu-ex99_1.htm

EX-99.1 2 kalu-ex99_1.htm EX-99.1 EX-99.1 Exhibit 99.1 FOR IMMEDIATE RELEASE Kaiser Aluminum Corporation Announces Quarterly Dividend Payment FRANKLIN, Tenn., April 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 May 15, 2026 to stockholders of record as of the close of business on April 24, 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 info…

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