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.
The Kaiser Aluminum Corporation (KALU) SEC filings page provides access to the company’s regulatory disclosures as filed with the U.S. Securities and Exchange Commission. Kaiser Aluminum is a Nasdaq Global Select Market issuer whose common stock is registered under Section 12(b) of the Securities Exchange Act of 1934. The company operates in the manufacturing sector, producing semi-fabricated specialty aluminum products for aerospace and high-strength, packaging, general engineering, automotive extrusions, and other industrial applications.
Through this page, users can review Form 10-K annual reports and Form 10-Q quarterly reports, which describe the company’s business, risk factors, financial statements, and segment or end-market information such as shipments, net sales, hedged cost of alloyed metal, and conversion revenue. Form 8-K current reports document material events, including amendments to the senior secured revolving credit facility, issuance and pricing of 5.875% senior notes due 2034, planned redemption of 4.625% senior notes due 2028, dividend declarations, preliminary financial results, and appointments of directors and executive officers.
Investors can also use this filings history to understand Kaiser Aluminum’s capital structure and liquidity tools. Recent 8-K filings describe the terms of the amended credit agreement, borrowing base mechanics, interest rate structure, and covenants, as well as the indenture governing the senior notes due 2034 and related redemption provisions. These documents outline how the company manages direct financial obligations and potential events of default.
Stock Titan enhances these filings with AI-powered summaries that explain key terms, highlight significant changes, and clarify technical language. Users can quickly see the implications of new debt issuances, credit facility amendments, dividend announcements, and leadership changes without reading every page of each filing, while still having direct access to the underlying SEC documents for detailed review.
The Vanguard Group filed Amendment No. 15 to a Schedule 13G/A reporting 0 shares and 0% beneficial ownership of Kaiser Aluminum Corp common stock (CUSIP 483007704) after an internal realignment. The filing states certain subsidiaries and business divisions will report separately in reliance on SEC Release No. 34-39538, and that The Vanguard Group, Inc. no longer is deemed to have beneficial ownership of securities held by those entities. The amendment was signed on 03/27/2026 and references the internal realignment effective 01/12/2026.
Kaiser Aluminum reports a Form 144 notice reporting proposed sales of common stock through UBS Financial Services Inc. The filing lists proposed transactions dated 03/05/2026 comprising 1,848 RSU-derived shares, 4,069 under a PSA, and 1,194 RSU-derived shares. The filing also discloses 15,231 common shares sold during the prior three months on 02/23/2026.
Kaiser Aluminum Corp President & CEO Keith Harvey reported equity compensation changes in company stock. On March 5, 2026, he acquired 17,795 restricted stock units and 47,895 shares earned from performance share vesting, both at no cash price, under the 2021 Equity and Incentive Compensation Plan.
On the same date, 17,722 shares and 6,859 shares were withheld at a price of $125.84 per share to cover tax obligations from these vestings. After these grant and tax-withholding transactions, Harvey directly owned 144,340 shares of Kaiser Aluminum common stock.
Robb Thomas H. reported acquisition or exercise transactions in this Form 4 filing.
Kaiser Aluminum Corporation executive Thomas H. Robb, EVP – Manufacturing, received a grant of 2,954 shares of common stock in the form of restricted stock units under the company’s 2021 Equity and Incentive Compensation Plan, as amended and restated. All restrictions on these units are scheduled to lapse on March 5, 2029, or earlier upon certain specified circumstances, and following this award he directly holds 17,898 shares of common stock.
Kaiser Aluminum Corp senior vice president Iulian Gheorghe received a grant of 852 shares of common stock on March 5, 2026 as restricted stock units under the company’s 2021 Equity and Incentive Compensation Plan. The grant was at $0.00 per share.
On the same date, 216 shares at $125.84 per share were withheld to cover tax obligations from vesting of earlier awards, reducing his directly held common stock from 4,839 to 4,623 shares. Footnotes note these holdings include shares acquired through prior restricted stock unit grants.
Kaiser Aluminum EVP Hugh J. Barger III received an equity grant in the form of restricted stock units. He acquired 1,686 shares of common stock at a grant price of $0.00 per share as a compensatory award, increasing his directly held stake to 5,711 shares.
The grant was made under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan, as amended and restated. All restrictions on these restricted stock units are scheduled to lapse on March 5, 2029, or earlier if certain specified conditions are met.
Kaiser Aluminum Corporation reported insider equity compensation activity for Vijai Narayan, VP, Corporate Controller and CAO. On March 5, 2026, he received a grant of 733 restricted stock units under the 2021 Equity and Incentive Compensation Plan, with all restrictions scheduled to lapse on March 5, 2029 unless certain earlier conditions occur.
On the same date, 482 shares and 97 shares of common stock were withheld at $125.84 per share to satisfy tax withholding obligations related to the vesting of earlier restricted stock unit grants. After these transactions, he directly owned 7,517 shares, including shares previously acquired through restricted stock unit grants.
Kaiser Aluminum Corporation EVP & CFO Neal E. West reported multiple equity-related transactions in the company’s common stock. On March 5, 2026, he received 3,905 restricted stock units under the 2021 Equity and Incentive Compensation Plan, with restrictions scheduled to lapse on March 5, 2029, subject to specified conditions.
He also acquired 12,296 shares earned from performance shares granted in 2023, after the compensation committee certified achievement of 2023–2025 performance goals. To cover withholding taxes from these vestings, 3,694 shares and 1,761 shares were disposed at $125.84 per share. Following these transactions, he directly owned 29,706 shares, and an additional 12,775 shares were held indirectly by the West Family Trust.
Kaiser Aluminum executive John Malcolm Donnan, EVP, CAO and GC, reported equity awards and related tax withholding transactions in company common stock. On March 5, 2026, he acquired 3,699 restricted stock units under the 2021 Equity and Incentive Compensation Plan; all restrictions are scheduled to lapse on March 5, 2029, or earlier under certain circumstances.
On the same date, he also acquired 11,649 shares earned upon vesting of 2023 performance shares after the compensation committee certified the payout based on 2023–2025 goals. To cover withholding taxes from the vesting of these performance shares and certain 2023 restricted stock units, 3,441 shares and 1,669 shares were disposed of, respectively. After these transactions, he held 32,443 shares of common stock directly, including shares previously acquired via restricted stock unit grants.
Robb Thomas H. reported acquisition or exercise transactions in this Form 4 filing.
Kaiser Aluminum executive Thomas H. Robb, EVP – Manufacturing, received an equity grant of 440 shares of common stock in the form of restricted stock units at no cash cost on February 23, 2026, under the company’s 2021 Equity and Incentive Compensation Plan.
According to the award terms, restrictions on 220 restricted stock units are scheduled to lapse on February 23, 2029, and restrictions on the remaining 220 units are scheduled to lapse on February 23, 2031, in each case subject to earlier lapse upon certain specified circumstances. Following this grant, Robb directly holds 14,944 shares of Kaiser Aluminum common stock.