Form 4 HOCKEMA JACK A For: Jul 06 (10K)

FORM 4

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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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

HOCKEMA JACK A

(Last)

(First)

(Middle)

C/O KAISER ALUMINUM CORP., 27422 PORTOLA PARKWAY SUITE 350

(Street)

FOOTHILL RANCH

92610

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
KAISER ALUMINUM CORP [KALU]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
07/06/2009

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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)
1.Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock, par value $0.01 per share	07/06/2009		S⁽¹⁾		600	D	$ 34.215	267,511	D
Common Stock, par value $0.01 per share	07/06/2009		S⁽¹⁾		669	D	$ 33.7048	266,842	D
Common Stock, par value $0.01 per share	07/07/2009		S⁽¹⁾		44,772	D	$ 31.271	222,070	D
Common Stock, par value $0.01 per share	07/07/2009		S⁽¹⁾		7,339	D	$ 31.4066	214,731	D
Common Stock, par value $0.01 per share	07/08/2009		S⁽¹⁾		400	D	$ 31.09	214,331	D
Common Stock, par value $0.01 per share	07/08/2009		S⁽¹⁾		500	D	$ 31.088	213,831	D
Common Stock, par value $0.01 per share	07/08/2009		S⁽¹⁾		3,792	D	$ 31.5351	210,039	D
Common Stock, par value $0.01 per share	07/08/2009		S⁽¹⁾		858	D	$ 31.5146	209,181	D
Common Stock, par value $0.01 per share	07/08/2009		S⁽¹⁾		1,231	D	$ 30.785	207,950	D
Common Stock, par value $0.01 per share	07/08/2009		S⁽¹⁾		1,716	D	$ 30.6312	206,234	D
Common Stock, par value $0.01 per share	07/08/2009		S⁽¹⁾		8,592	D	$ 30.409	197,642	D
Common Stock, par value $0.01 per share	07/08/2009		S⁽¹⁾		1,858	D	$ 30.4147	195,784	D
Common Stock, par value $0.01 per share	07/08/2009		S⁽¹⁾		9,941	D	$ 30.5621	185,843	D
Common Stock, par value $0.01 per share	07/08/2009		S⁽¹⁾		2,092	D	$ 30.5954	183,751	D

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 (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

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
(Month/Day/Year)

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

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Explanation of Responses:

1. Sale of common stock pursuant to a previously established 10b5-1 Plan in connection with the withholding tax obligations resulted from the vesting of certain shares granted to the reporting person under the Kaiser Aluminum Corporation 2006 Equity and Performance Incentive Plan, as amended.

	/s/ John M. Donnan, with power of attorney for Jack A. Hockema	07/08/2009
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

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