Alfred E. Osborne Jr. - 07 Jun 2023 Form 4 Insider Report for KAISER ALUMINUM CORP (KALU)

Role: Director
Signature: /s/ Cherrie I. Tsai, with power of attorney for Alfred E. Osborne, Jr.
Issuer symbol: KALU
Transactions as of: 07 Jun 2023
Net transactions value: +$97,459
Form type: 4
Filing time: 09 Jun 2023, 16:36:09 UTC
Previous filing: 06 Jun 2022
Next filing: 14 Feb 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	KALU	Common Stock, par value $0.01 per share	Award	$0	+2,060	+9.6%	$0.000000	23,412	07 Jun 2023	Direct	F1
transaction	KALU	Common Stock, par value $0.01 per share	Award	$97,459	+1,545	+6.6%	$63.08	24,957	07 Jun 2023	Direct	F2, F3
holding	KALU	Common Stock, par value $0.01 per share						3,500	07 Jun 2023	By Keogh Plan
holding	KALU	Common Stock, par value $0.01 per share						500	07 Jun 2023	By the Rahnasto/Osborne Revocable Trust U/A DTD 11/07/1999

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Grant to the reporting person of restricted stock under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan. All restrictions will lapse on June 7, 2024.
F2	Stock received by the reporting person under the Kaiser Aluminum Corporation 2021 Equity and Incentive Compensation Plan at such person's election in lieu of all or a portion of the reporting person's annual cash retainer for serving as a member of the Board of Directors of Kaiser Aluminum Corporation, lead independent director and chair or a member of one or more committees of the Board of Directors.
F3	Equal to the average closing price of the Issuer's common stock as reported by the Nasdaq Stock Market, LLC for the twenty trading days prior to June 7, 2023.