Welcome to our dedicated page for Kaiser Aluminum SEC filings (Ticker: KALU), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Kaiser Aluminum Corporation filings document a public specialty aluminum manufacturer with common stock listed on Nasdaq under KALU. Form 8-K reports furnish quarterly and annual results, dividend declarations, management transitions, succession arrangements and related press releases. These disclosures connect operating performance to end markets including aerospace and high-strength products, packaging, general engineering and automotive extrusions.
Proxy materials cover board and stockholder-vote matters, executive compensation, equity awards and pay-versus-performance disclosures. The filing record also includes material-event reporting on officer appointments and transition agreements, alongside recurring information on capital returns, governance and forward-looking statements used in the company's public releases.
SSGA Funds Management, Inc. and State Street Corporation reported Schedule 13G holdings in Kaiser Corp common stock. State Street discloses 1,332,923 shares beneficially owned, representing 8.2% of the class. SSGA Funds Management discloses 968,922 shares, representing 6% of the class. The filings list shared voting and shared dispositive powers and identify related State Street affiliate entities. Signatures are dated 05/12/2026.
Kaiser Aluminum Corp director Richard P. Grimley reported an open-market sale of 1,524 shares of common stock on April 29, 2026. The weighted average sale price was $171.52 per share, based on multiple trades between $171.25 and $171.74.
Following this transaction, Grimley directly owns 4,578 shares of Kaiser Aluminum common stock. The filing notes he will provide full details of the individual sale prices within the disclosed range upon request from regulators, the company, or its shareholders.
Kaiser Aluminum Corp President & CEO Harvey Keith reported an open-market sale of the company’s common stock. On April 29, 2026, he sold 3,031 shares of Kaiser Aluminum common stock at a weighted average price of $173.13 per share, in multiple trades between $173.00 and $173.80.
After this transaction, Keith directly holds 94,308 shares of Kaiser Aluminum common stock, which the footnotes state include 72,565 shares acquired through grants of restricted stock units. This filing reflects a relatively small sale compared with his remaining direct holdings.
Kaiser Aluminum Corp director Brett Wilcox, through the Wilcox Revocable Trust, reported an open-market sale of 15,000 shares of common stock. The shares were sold in multiple trades between $173.60 and $175.23 per share, at a weighted average price of $174.44 per share.
Following the sale, the Wilcox Revocable Trust holds 9,887 shares of Kaiser Aluminum indirectly, while Wilcox also directly holds 1,905 shares. The filing also includes a holding entry reflecting his direct ownership position.
Kaiser Aluminum Corp EVP, CAO and GC John Malcolm Donnan reported an open-market sale and a charitable gift of company stock. On April 27, 2026, he sold 2,743 shares of common stock at a weighted average price of $178.20 per share.
On April 28, 2026, he made a bona fide gift of 1,500 shares to a charitable trust for no consideration. After these transactions, he holds 28,200 shares of Kaiser Aluminum common stock directly, including 17,422 shares acquired through restricted stock unit grants.
Kaiser Aluminum Corp senior vice president Iulian Gheorghe sold 175 shares of common stock in an open-market transaction. The shares were sold at an average price of $174.22 per share. After this sale, he directly holds 4,448 shares, including 3,918 shares acquired through restricted stock unit grants.
Kaiser Aluminum Corp EVP & CFO Neal E. West reported an insider transaction involving company common stock. An entity associated with him, the West Family Trust, completed an open-market sale of 5,000 shares at $173.29 per share. After this sale, the filing shows 19,091 shares held indirectly by the West Family Trust and 18,390 shares held directly by West. A footnote explains that these shares were originally acquired through grants of restricted stock units.
Kaiser Aluminum Corp President & CEO Harvey Keith sold 47,001 shares of common stock in an open-market transaction on April 27, 2026. The shares were sold in multiple trades between $175.00 and $175.87 per share, with a weighted average sale price of $175.09.
Following this sale, Keith directly holds 97,339 shares of Kaiser Aluminum common stock. This remaining position includes 72,565 shares that were previously acquired through grants of restricted stock units.
Kaiser Aluminum Corp ownership update: Vanguard Portfolio Management reports beneficial ownership of 1,319,391 shares of Common Stock, representing 8.13% of the class as of 03/31/2026. The filing states Vanguard Portfolio Management exercises sole dispositive power over these shares and lists sole voting power of 10,641 shares; holdings are reported on behalf of Vanguard funds and managed accounts.
The filing is a Form 144 notice related to proposed sales of common stock associated with restricted stock awards. It lists numeric entries including 262,615.00 and 16,340,606 with an 04/29/2026 date and two Restricted Stock Award entries: 311 (04/17/2024) and 1,213 (06/07/2024).