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 OF SECURITIES 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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(Print or Type Responses)

1. Name and Address of Reporting Person * WALKER THOMAS KIRK   2. Issuer Name and Ticker or Trading Symbol COSTCO WHOLESALE CORP /NEW [COST] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Executive VP (Last) (First) (Middle) 999 LAKE DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 10/14/2011 (Street) ISSAQUAH, WA 98027 4. If Amendment, Date 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 (City) (State) (Zip) 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) Code V Amount (A) or (D) Price Common Stock 10/14/2011   M   44,000 A $ 43.79 297,763 D   Common Stock 10/14/2011   S   44,000 D (1) 253,763 D

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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

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option

$ 43.79

10/14/2011

M

44,000

04/01/2005

04/01/2015

Common Stock

44,000

$ 43.79

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
WALKER THOMAS KIRK 999 LAKE DRIVE ISSAQUAH, WA 98027			Executive VP

Signatures

Deanna K. Nakashima, attorney-in-fact		10/17/2011
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Shares sold as follows: 700 @ 81.1900 600 @ 81.2000 500 @ 81.2100 521 @ 81.2200 755 @ 81.2300 1324 @ 81.2400 2196 @ 81.2500 1977 @ 81.2600 1248 @ 81.2700 1306 @ 81.2800 1180 @ 81.2900 7677 @ 81.3000 100 @ 81.3002 100 @ 81.3003 100 @ 81.3010 100 @ 81.3013 100 @ 81.3014 100 @ 81.3025 200 @ 81.3040 100 @ 81.3044 1258 @ 81.3050 3303 @ 81.3100 200 @ 81.3112 100 @ 81.3118 100 @ 81.3125 200 @ 81.3126 200 @ 81.3131 6000 @ 81.3150 200 @ 81.3180 7355 @ 81.3200 100 @ 81.3201 100 @ 81.3206 100 @ 81.3223 100 @ 81.3225 3410 @ 81.3250 290 @ 81.3300 100 @ 81.3400

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