InsiderTrades

Form 4 for KALU KAISER ALUMINUM CORP

Accepted 2026-02-25 00:00:00 ET · period of report 2026-02-23 · accession 0001193125-26-071971 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-02-25 2026-02-23 KALU Robb Thomas H. EVP - Manufacturing A - Grant $0.00 +440 14.9K +3% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, par value $0.01 per share 2026-02-23 A A 440 $0.00 14,944 D — — (F1) Grant to the reporting person effective as of February 23, 2026 of restricted stock units under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan, as amended and restated. All restrictions on 220 restricted stock units will lapse on February 23, 2029 or earlier upon the occurrence of certain specified circumstances, and all restrictions on the remaining 220 restricted stock units will lapse on February 23, 2031 or earlier upon the occurrence of certain specified circumstances. (F2) Shares acquired pursuant to grants of restricted stock units.