Every Form 4 that Kaiser Aluminum (KALU) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow KALU and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full KALU filings page.
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 3,760 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 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 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.
On March 5, 2026, Kaiser Aluminum senior vice president Gheorghe Iulian was awarded 852 shares of common stock at no cost, in connection with restricted stock units under the 2021 Equity and Incentive Compensation Plan. That day 216 shares were withheld at $125.8400 per share to satisfy tax obligations from vesting of 2025 restricted stock units. After these events he directly holds 4,623 Kaiser Aluminum shares.
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.
Kaiser Aluminum Corp executive John Malcolm Donnan, EVP, CAO and GC, sold 18,461 shares of common stock in an open-market transaction on 2026-02-23 at a weighted average price of $125.0758 per share. After the sale, he directly owns 22,205 shares, including 17,962 acquired through restricted stock unit grants.
Kaiser Aluminum executive vice president and CFO Neal E. West, through the West Family Trust, sold 5,000 shares of common stock on February 23, 2026 in open-market transactions. The weighted average sale price was $121.72 per share, with prices ranging from $120.00 to $125.69.
After this indirect sale, the trust held 12,775 shares, and West’s direct holdings stood at 18,960 shares. A portion of these shares was previously acquired through grants of restricted stock units.
Kaiser Aluminum Corporation reported that senior vice president of advanced engineering and innovation Iulian Gheorghe had 76 shares of common stock withheld on February 19, 2026 at $127.05 per share to cover tax obligations from vesting restricted stock units granted in 2025.
After this tax-withholding disposition, Gheorghe directly owned 3,987 shares of Kaiser Aluminum common stock, including 3,808 shares that were acquired through prior restricted stock unit grants under the company’s 2021 Equity and Incentive Compensation Plan.
Kaiser Aluminum Corp (KALU) reported an insider stock sale by its President & CEO and director, Keith Harvey. On 11/21/2025, he sold 33,000 shares of common stock in multiple transactions at prices ranging from $89.02 to $91.42 per share, for a weighted average sale price of $90.34 per share.
Following these sales, Harvey beneficially owns 103,231 shares of Kaiser Aluminum common stock, including 72,199 shares acquired through restricted stock unit grants. The filing states that the sales were made as part of his financial planning to diversify his stockholdings, and he has agreed to provide full breakdowns of the individual trade prices upon request.
Kaiser Aluminum (KALU) reported an insider transaction by EVP – Sales & Marketing, Blain Tiffany. On 11/07/2025, the officer sold 8,656 shares of common stock at a weighted average price of $93.923 per share, with individual trades ranging from $93.14 to $94.805.
Following the sale, the reporting person beneficially owns 26,275 shares, held directly. This total includes 11,044 shares acquired pursuant to grants of restricted stock units. The transaction was coded “S” for an open market sale.
Kaiser Aluminum (KALU) disclosed an insider transaction by officer Vijai Narayan (VP, Corp Controller & CAO) on a Form 4. On 11/07/2025, 163 shares of common stock were withheld to satisfy tax obligations from the vesting of previously granted RSUs, at a reported price of $94.53 per share. Following this transaction, the reporting person beneficially owns 7,363 shares, which includes 6,355 shares acquired through RSU grants.
James D. Hoffman, a director of Kaiser Aluminum Corporation (KALU), reported two equity awards received on 09/18/2025. He was granted 1,363 restricted shares under the Kaiser Aluminum 2021 Equity and Incentive Compensation Plan; those restrictions will lapse on September 18, 2026. He also received 1,022 shares elected in lieu of his annual cash retainer, priced at $77.03 per share (the 20-trading-day average closing price prior to 09/18/2025). Following these transactions he beneficially owns 2,385 shares directly.