Sec Form 4 Filing - West Neal E @ KAISER ALUMINUM CORP - 2017-03-05

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FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person
West Neal E
2. Issuer Name and Ticker or Trading Symbol
KAISER ALUMINUM CORP [ KALU]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
X __ Officer (give title below) _____ Other (specify below)
VP & Chief Accounting Officer
(Last) (First) (Middle)
C/O KAISER ALUMINUM CORP., 27422 PORTOLA PARKWAY SUITE 200
3. Date of Earliest Transaction (MM/DD/YY)
03/05/2017
(Street)
FOOTHILL RANCH, CA92610
4. If Amendment, Date Original Filed (MM/DD/YY)
6. Individual or Joint/Group Filing (Check Applicable Line)
__ X __ Form filed by One Reporting Person
_____ Form filed by More than One Reporting Person
(City) (State) (Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, par value $0.01 per share 03/05/2017 A 1,052 ( 1 ) A $ 0 ( 1 ) 4,478 ( 2 ) D
Common Stock, par value $0.01 per share 03/05/2017 A 1,781 ( 3 ) A $ 0 ( 3 ) 6,259 ( 2 ) D
Common Stock, par value $0.01 per share 03/05/2017 F( 4 ) 716 D $ 79.69 5,543 ( 2 ) D
Common Stock, par value $0.01 per share 03/05/2017 F( 5 ) 445 D $ 79.69 5,098 ( 2 ) D
Common Stock, par value $0.01 per share 6,288 I By West Family Trust
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(MM/DD/YY)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Reporting Owners
Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
West Neal E
C/O KAISER ALUMINUM CORP.
27422 PORTOLA PARKWAY SUITE 200
FOOTHILL RANCH, CA92610
VP & Chief Accounting Officer
Signatures
/s/ Cherrie I. Tsai, with power of attorney for Neal E. West 03/07/2017
Signature of Reporting Person Date
Explanation of Responses:
( 1 )Grant to the reporting person effective as of March 5, 2017 of restricted stock units under the Kaiser Aluminum Corporation 2016 Equity and Incentive Compensation Plan. All restrictions will lapse on March 5, 2020 or earlier upon the occurrence of certain specified circumstances.
( 2 )Includes 2,157 shares acquired pursuant to grants of restricted stock units.
( 3 )Shares earned upon the vesting on March 5, 2017 of certain performance shares granted to the reporting person in 2014 under the Kaiser Aluminum Corporation 2006 Equity and Performance Incentive Plan, as amended. On March 5, 2017, 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 2014 through 2016.
( 4 )Shares withheld to satisfy the withholding tax obligations resulting from the vesting on March 5, 2017 of the above-referenced performance shares.
( 5 )Shares withheld to satisfy the withholding tax obligations resulting from the vesting on March 5, 2017 of certain shares granted to the reporting person in 2014 under the Kaiser Aluminum Corporation 2006 Equity and Performance Incentive Plan, as amended.

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* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
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