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 * BROTMAN JEFFREY H   2. Issuer Name and Ticker or Trading Symbol COSTCO WHOLESALE CORP /NEW [COST] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chairman of the Board (Last) (First) (Middle) 999 LAKE DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 12/21/2010 (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 12/21/2010   S   82,993 D (1) 81,660 D   Common Stock               736,703.04 I 1984 Brotman Family Trust (2) Common Stock               20 I Justin Brotman

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
BROTMAN JEFFREY H 999 LAKE DRIVE ISSAQUAH, WA 98027	X		Chairman of the Board

Signatures

Deanna K. Nakashima, attorney-in-fact		12/21/2010
**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: 100 @ 72.265 1100 @ 72.270 216 @ 72.275 682 @ 72.280 200 @ 72.290 900 @ 72.300 204 @ 72.310 1900 @ 72.320 200 @ 72.325 2889 @ 72.330 176 @ 72.335 311 @ 72.340 124 @ 72.345 4800 @ 72.350 605 @ 72.355 4751 @ 72.360 461 @ 72.365 1243 @ 72.370 900 @ 72.375 7641 @ 72.380 400 @ 72.385 2020 @ 72.390 600 @ 72.395 5469 @ 72.400 1344 @ 72.405 6501 @ 72.410 900 @ 72.415 5730 @ 72.420 700 @ 72.425 6220 @ 72.430 1200 @ 72.435 100 @ 72.438 9850 @ 72.440 600 @ 72.445 3606 @ 72.450 3550 @ 72.460 100 @ 72.465 4000 @ 72.470 600 @ 72.480 100 @ 72.510
(2)	Mr. Brotman disclaims beneficial ownership of shares owned by the trust. Mr. Brotman is not a trustee of this trust nor does he have investment control over the trust's assets. Mr. Brotman is one of a number of beneficiaries of the trust.

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