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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
811596	Kaiser Aluminum Corp	KALU	Rolling Drawing & Extruding Of Nonferrous Metals (3350)	943030279

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1227285	A Jack Hockema	C/O Kaiser Aluminum Corp. 27422 Portola Parkway Suite 200 Foothill Ranch CA 92610		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock, Par Value $0.01 Per Share	Disposition	2021-11-18	750	$102.11	18,243	No	4	S	Indirect	By Hockema Family Trust

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	By Hockema Family Trust

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock, Par Value $0.01 Per Share	18,459	Direct

Footnotes

Sales made pursuant to a 10b5-1 plan adopted by the reporting person in March 2021 as part of the reporting person's financial planning to diversify his stockholdings. The plan contemplates the sale of a pre-determined amount of vested shares of common stock of the Registrant held by the reporting person in specified increments subject to designated floor prices.
Represents the sale of 750 shares in multiple transactions, ranging from $100.2200 to $103.7300 per share, resulting in a weighted average sale price of $102.1065 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.
Shares acquired pursuant to grants of restricted stock units.