Ray Parkinson - May 18, 2021 Form 4 Insider Report for KAISER ALUMINUM CORP (KALU)

Role: SVP - Advanced Engineering
Signature: /s/ Cherrie I. Tsai, with power of attorney for Raymond Parkinson
Stock symbol: KALU
Transactions as of: May 18, 2021
Transactions value $: -$175,235
Form type: 4
Date filed: 5/20/2021, 04:41 PM
Next filing: Mar 8, 2022

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	-$175K	-1.34K	-15.48%	$130.48	7.33K	May 18, 2021	By Family Trust	F1
holding	KALU	Common Stock, par value $0.01 per share						6.25K	May 18, 2021	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 1,343 shares in multiple transactions, ranging from $130.37 to $131.05 per share, resulting in a weighted average sale price of $130.48 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 4,825 shares acquired pursuant to grants of restricted stock units.