Jason Walsh, EVP - Manufacturing at Kaiser Aluminum Corporation (KALU), reported a transaction on 08/12/2025 in which 7,236 shares of common stock were disposed at $74.72 per share. The filing states these shares were withheld to satisfy withholding tax obligations from the vesting of restricted stock units granted in 2020 under the company's 2016 Equity and Incentive Compensation Plan. After the transaction, the reporting person beneficially owned 42,770 shares, which the filing notes include 14,431 shares acquired pursuant to grants of restricted stock units. The Form 4 was executed by John M. Donnan with power of attorney for Jason Walsh on 08/14/2025.
Tiffany Blain, listed as an officer (EVP - Sales & Marketing), reported a Section 16 transaction for Kaiser Aluminum Corporation (KALU) on 08/12/2025. The filing shows 6,982 shares were disposed at a price of $74.72 per share; the disposition is identified as F(1), and the explanation states these shares were withheld to satisfy withholding tax obligations arising from the vesting of restricted stock units granted in 2020.
After the transaction, the reporting person beneficially owned 34,931 shares (direct). The filing also notes that the total includes 11,044 shares acquired pursuant to grants of restricted stock units. The Form 4 was signed by a power of attorney on behalf of Tiffany Blain on 08/14/2025.
Barrow Hanley Mewhinney & Strauss LLC reported a passive ownership position in Kaiser Aluminum via a Schedule 13G, holding 872,791 shares, equal to 5.39% of the outstanding common stock. The filer discloses sole voting and sole dispositive power over the reported shares, meaning it controls voting and disposition decisions for that position.
The filing includes a certification that the securities were acquired and are held in the ordinary course of business and are not held to influence control of the issuer. Items addressing group affiliations, subsidiaries, and related control-person classifications are marked not applicable.