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.
arnold michael c reported acquisition or exercise transactions in this Form 4 filing.
Kaiser Aluminum Corporation director Michael C. Arnold received a grant of 786 shares of common stock as compensation. The award was made at no cash cost to him and increases his direct holdings to 11,445 shares. The grant consists of restricted stock, with all restrictions scheduled to lapse on June 4, 2027, effectively vesting the award on that date if conditions are met.
Glas Kimberly Thompson reported acquisition or exercise transactions in this Form 4 filing.
Kaiser Aluminum Corp director Kimberly Thompson Glas received a grant of 786 shares of restricted common stock as equity compensation. The award was made at no cash cost to her and comes under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan.
All restrictions on these shares are scheduled to lapse on June 4, 2027, at which point the stock should fully vest if plan conditions are met. Following this grant, Glas directly holds a total of 3,466 shares of Kaiser Aluminum common stock, reflecting her ongoing equity stake in the company.
STEBBINS DONALD J reported acquisition or exercise transactions in this Form 4 filing.
Kaiser Aluminum Corporation director Donald J. Stebbins reported new equity compensation awards in the company’s common stock. On June 4, 2026, he received 631 shares valued at $178.10 per share, taken in stock under the company’s 2021 Equity and Incentive Compensation Plan instead of his annual cash retainer for board and committee service.
He was also granted 786 shares of restricted stock under the same plan, with all restrictions scheduled to lapse on June 4, 2027. Following these awards, Stebbins directly holds 15,407 shares of Kaiser Aluminum common stock and indirectly holds 50 shares through a trust.
Kaiser Aluminum Corp director Brett Wilcox reported new stock awards. On June 4, 2026 he acquired 786 shares of restricted stock under the 2021 Equity and Incentive Compensation Plan, with all restrictions lapsing on June 4, 2027.
He also received 328 common shares at an implied value based on the 20-day average closing price, electing stock instead of part or all of his annual cash retainer for board and committee service. After these awards, he holds 3,019 shares directly and 9,887 shares indirectly through the Wilcox Revocable Trust.
HOFFMAN JAMES DONALD reported acquisition or exercise transactions in this Form 4 filing.
Kaiser Aluminum Corp director James Donald Hoffman reported stock-based compensation grants, not open-market trades. He received 589 shares of common stock as restricted stock under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan, with all restrictions scheduled to lapse on June 4, 2027.
He also received 786 shares under the same plan in lieu of some or all of his annual cash retainer for serving on the Board and its committees, with the amount based on the average closing price over the 20 trading days prior to June 4, 2026. Following these awards, he directly holds 3,171 shares of Kaiser Aluminum common stock.
Grimley Richard P. reported acquisition or exercise transactions in this Form 4 filing.
Kaiser Aluminum Corp director Richard P. Grimley received a grant of 786 shares of common stock as equity compensation. The shares were awarded at no cash cost to him under the company’s 2021 Equity and Incentive Compensation Plan. After this grant, he directly holds 5,364 shares of Kaiser Aluminum common stock. All restrictions on the newly granted restricted stock are scheduled to lapse on June 4, 2027, turning them into fully vested shares if conditions are met.
Kaiser Aluminum Corporation director Glenda J. Minor reported two stock awards. On June 4, 2026, she acquired 335 shares of common stock at $178.10 per share as a grant of restricted stock under the company’s 2021 Equity and Incentive Compensation Plan. All restrictions on these restricted shares will lapse on June 4, 2027. She also received 786 shares elected in lieu of her annual cash retainer for board and committee service, with the value based on the average closing price of the stock over the 20 trading days prior to June 4, 2026. Following these awards, she directly holds 4,516 shares of Kaiser Aluminum common stock.
Foster David A reported acquisition or exercise transactions in this Form 4 filing.
Kaiser Aluminum Corporation director David A. Foster received a grant of 786 shares of restricted common stock as equity compensation. The award was granted under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan, as amended and restated, at no cash cost to him.
All restrictions on these 786 restricted shares are scheduled to lapse on June 4, 2027, after which the shares should become fully vested if conditions are met. Following this grant, Foster directly holds a total of 24,332 shares of Kaiser Aluminum common stock.
Kaiser Aluminum Corporation reported results of its 2026 Annual Meeting. Stockholders approved an amendment and restatement of the 2021 Equity and Incentive Compensation Plan, adding 395,000 shares of common stock for future equity awards, bringing the total shares available under the plan to 1,183,000.
Stockholders elected three Class I directors — James D. Hoffman, Glenda J. Minor, and Brett E. Wilcox — each to serve until the 2029 annual meeting. An advisory, non-binding vote approved executive compensation, with 98.68% of votes cast in favor. Deloitte & Touche LLP was ratified as independent auditor for 2026, with 98.20% of votes cast in favor. The Amended 2021 Plan itself was approved by stockholders with 94.43% support among votes cast.
KAISER CORP Schedule 13G/A amendment: Nomura Asset Management International Inc. and Nomura Investment Management Business Trust report beneficial ownership of 714,176 shares of Common Stock, representing 4.4% of the class. The percent is calculated using 16,340,124 shares outstanding as of March 31, 2026 per the issuer's Form 10-Q.
The filing lists shared voting and dispositive power of 714,176 shares and is signed by Fernando del Puerto as Managing Director. The filing is submitted as an amendment (Schedule 13G/A) and classifies the position as ownership of 5 percent or less of a class.