InsiderTrades

Form 4 for KALU KAISER ALUMINUM CORP

Accepted 2026-05-01 16:40:37 ET · period of report 2026-04-29 · accession 0001193125-26-201607 · 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
2026-05-01 16:40 2026-04-29 KALU Grimley Richard P. Dir S - Sale $171.52 -1,524 4,578 -25% -$261.4K

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 2026-04-29 S D 1,524 $171.52 4,578 D — — (F1) Represents the sale of 1,524 shares in multiple transactions, ranging from $171.25 to $171.74 per share, resulting in a weighed average sale price of $.171.52 per share. The reporting person undertakes to provide upon request by the SEC staff, the Registrant, or a security holder of the Registrant, full information regarding the number of shares sold at each separate price within the range.