Edgar Filing: COSTCO WHOLESALE CORP /NEW

Ownership Submission

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 ^*

MUNGER CHARLES T

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
_____ Officer (give title below)	_____ Other (specify below)

(Last)

(First)

(Middle)

BERKSHIRE HATHAWAY INC., 355 SO. GRAND AVE., 34TH FLOOR

3. Date of Earliest Transaction (Month/Day/Year)
11/04/2010

(Street)

LOS ANGELES, CA 90071

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)
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	11/04/2010		W	V	97,884	D	⁽¹⁾	114,384	D
Common Stock								19,565	I	Alfred C. Munger Foundation

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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

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option

$ 36.1875

11/04/2010

6,000 ⁽²⁾

04/02/2001

04/02/2011

Common Stock

6,000

$ 36.1875

6,000

Stock Option

$ 39.65

11/04/2010

6,000 ⁽²⁾

04/01/2002

04/01/2012

Common Stock

6,000

$ 39.65

6,000

Stock Option

$ 30.41

11/04/2010

6,000 ⁽²⁾

04/01/2003

04/01/2013

Common Stock

6,000

$ 30.41

6,000

Stock Option

$ 37.35

11/04/2010

6,000 ⁽²⁾

04/01/2004

04/01/2014

Common Stock

6,000

$ 37.35

6,000

Stock Option

$ 43.79

11/04/2010

6,000 ⁽²⁾

04/01/2005

04/01/2015

Common Stock

6,000

$ 43.79

6,000

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
MUNGER CHARLES T BERKSHIRE HATHAWAY INC. 355 SO. GRAND AVE., 34TH FLOOR LOS ANGELES, CA 90071	X

Signatures

Deanna K. Nakashima, attorney-in-fact		11/05/2010
^**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)	Following the death of the reporting person's spouse, these shares of Common Stock were distributed to beneficiaries of a community property revocable trust in which the reporting person and his spouse were co-trustees.
(2)	Following the death of the reporting person's spouse, her community property interest in these options was transferred to a partnership in which Mr. Munger has no pecuniary interest.

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