Ray Parkinson - May 15, 2024 Form 4 Insider Report for KAISER ALUMINUM CORP (KALU)

Role: SVP - AE & Innovation
Signature: /s/ Cherrie I. Tsai, with power of attorney for Ray Parkinson
Stock symbol: KALU
Transactions as of: May 15, 2024
Transactions value $: -$327,125
Form type: 4
Date filed: 5/17/2024, 04:30 PM
Previous filing: Mar 7, 2024

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	Sale	-$327K	-3.25K	-50.59%	$100.53	3.18K	May 15, 2024	By Family Trust	F1
holding	KALU	Common Stock, par value $0.01 per share						17.7K	May 15, 2024	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Represents the sale of 3,254 shares in multiple transactions, ranging from $100.13 per share to $101.21 per share, resulting in a weighted average sale price of $100.53 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.
F2	Includes 16,721 shares acquired pursuant to grants of restricted stock units.

Content

Represents the sale of 3,254 shares in multiple transactions, ranging from $100.13 per share to $101.21 per share, resulting in a weighted average sale price of $100.53 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.

Includes 16,721 shares acquired pursuant to grants of restricted stock units.