Form 4 Filing: Grimley Richard P. Acquires (Grant) shares of $KALU

STOCK AWARD / GRANT

⚡ MATERIALITY: 1/10

corporate issuer

KAISER ALUMINUM CORP

Ticker: $KALU

Transaction Value

N/A (Non-Open-Market)

Price/Share: $0.00 (Non-Open-Market)

transaction date

2026-06-04

Shares: 786

Market Price Activity

HillSignal AI Analytical Report

SEC Form 4 documents direct changes in beneficial ownership of securities for public corporations. The reporting insider, Grimley Richard P., holds the title of Director at KAISER ALUMINUM CORP.

On 2026-06-04, the insider transacted 786 shares.This transaction is a non-open-market event (such as a stock grant or option exercise) with a reported price per share of $0.00.

Executive Summary Summary

Grimley Richard P. (Director) was granted $0 of $KALU

Post-Transaction Position: 5,364 shares

SEC Accession No: 0001193125-26-260047 (CIK: 1972491)

Verified Multi-Source Index

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SEC EDGAR FilingView Source Form 4

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