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Filing Details

Accession Number:: 0001628280-18-002892
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2018-03-07 18:38:06
Reporting Period:: 2018-03-05

Accepted Time:: 2018-03-07 18:38:06
SEC Url:: Form 4 Filing

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	Ceo	Yes	Yes	No	No

Reported Non-Derivative Transactions

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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	Acquisiton	2018-03-05	8,285	$0.00	40,670	No	4	A	Direct
Common Stock, Par Value $0.01 Per Share	Acquisiton	2018-03-05	39,880	$0.00	80,550	No	4	A	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2018-03-05	18,321	$101.66	62,229	No	4	F	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2018-03-05	5,477	$101.66	56,752	No	4	F	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2018-03-07	9,000	$104.01	52,613	No	4	S	Indirect	By Hockema Family Trust

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

Footnotes

Grant to the reporting person effective as of March 5, 2018 of restricted stock units under the Kaiser Aluminum Corporation 2016 Equity and Incentive Compensation Plan. All restrictions will lapse on March 5, 2021 or earlier upon the occurrence of certain specified circumstances.
Includes 29,624 shares acquired pursuant to grants of restricted stock units.
Shares earned upon the vesting on March 5, 2018 of certain performance shares granted to the reporting person in 2015 under the Kaiser Aluminum Corporation 2006 Equity and Performance Incentive Plan, as amended. On March 5, 2018, the Registrant's compensation committee certified the performance shares payout multiplier based on the level of achievement by the Registrant of a certain pre-established performance goal for 2015 through 2017.
Shares withheld to satisfy the withholding tax obligations resulting from the vesting on March 5, 2018 of the above-referenced performance shares.
Shares withheld to satisfy the withholding tax obligations resulting from the vesting on March 5, 2018 of certain shares granted to the reporting person in 2015 under the Kaiser Aluminum Corporation 2006 Equity and Performance Incentive Plan, as amended.
Sales made pursuant to a 10b5-1 plan adopted by the reporting person on May 10, 2017 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 9,000 shares in multiple transactions, ranging from $103.2100 to $105.0800 per share, resulting in a weighted average sale price of $104.0143 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.