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.
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).
Kaiser Aluminum Corporation is asking stockholders to vote at its June 4, 2026 annual meeting on four key items: electing three directors, approving executive pay on an advisory basis, ratifying Deloitte & Touche as auditor, and expanding its 2021 Equity and Incentive Compensation Plan.
The proxy highlights 2025 results, including net sales of $3.37 billion, conversion revenue of $1.45 billion, net income of $113 million or $6.77 per diluted share, and record adjusted EBITDA of $310 million. Adjusted EBITDA margin improved to 21.3%, while overall margin rose to 3.4% from 2.2% in 2024.
The company emphasizes capital discipline and balance sheet strength, noting extension of a $575 million revolver to 2030, issuance of $500 million senior notes due 2034, and redemption of $500 million notes due 2028, reducing net leverage to 3.4x. Kaiser also seeks approval to add 395,000 shares to its equity plan to continue stock-based incentives and describes a pay-for-performance program with over 80% of CEO target compensation at risk and long-term incentives tied 60% to relative TSR and 40% to adjusted EBITDA margin.
KALU Rule 144 notice: The filing lists 5,000 shares of common stock connected to a Rule 144 sale by West Family Trust. The trust reported a sale dated 02/23/2026 with a reported value of $608,616.63. Additional rows show a 5,000-share entry tied to compensation dated 03/05/2024.
Kaiser Aluminum Corporation reported a Form 144 notice relating to proposed or recent transactions in its Common Stock, $0.01 par. The filing lists a vesting event on 03/05/2025 tied to 2,743 shares and reports 18,461 shares shown as sold in the past three months. The filing names R.W. Baird as broker and includes a 04/27/2026 date alongside Nasdaq listing details.
Kaiser Aluminum submitted a Form 144 reporting proposed sales of Common Stock by an affiliate/holder under Rule 144. The filing lists multiple proposed sale entries dated 07/27/2022, 03/05/2024, 03/05/2025, and 03/05/2026 with specified share counts.
Kaiser Aluminum submitted a Form 144 notice reporting proposed sales of Common stock tied to previously granted RSUs. The filing lists multiple RSU lots with grant dates and share counts (examples include 1,478 shares granted 06/04/2013 and 2,060 shares granted 06/07/2024).
BlackRock, Inc. reports beneficial ownership of 2,401,692 shares of Kaiser Corp common stock, representing 14.8% of the class. The filing states BlackRock has sole voting power over 2,376,449 shares and sole dispositive power over 2,401,692 shares. The filing identifies iShares Core S&P Small-Cap ETF as a holder with an interest exceeding 5%.
Kaiser Aluminum Corporation reported sharply improved Q1 2026 results. Net sales rose to $1,106.8 million, up 42% year over year, while $62.5 million in net income was generated versus $21.6 million a year earlier.
Diluted EPS increased to $3.71 from $1.31, supported by higher shipments, better pricing, and favorable metal consumption and valuation impacts. Adjusted EBITDA grew to $128.5 million, aided by higher Conversion Revenue across Aero/HS Products, Packaging, and GE Products. Liquidity remained strong with $596.3 million available in cash and credit.