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 * REID CLIFFORD A   2. Issuer Name and Ticker or Trading Symbol COMPLETE GENOMICS INC [GNOM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Executive Officer (Last) (First) (Middle) 2071 STIERLIN COURT 3. Date of Earliest Transaction (Month/Day/Year) 09/20/2011 (Street) MOUNTAIN VIEW, CA 94043 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, $0.001 par value 09/20/2011   D   4,500 D $ 7.301 (1) 314,700 I By Living Trust (2) Common Stock, $0.001 par value 09/20/2011   M   8,000 A $ 1.5 8,000 D   Common Stock, $0.001 par value 09/20/2011   S   8,000 D $ 7.2959 (3) 0 D   Common Stock, $0.001 par value 09/21/2011   D   4,500 D $ 6.8014 (4) 310,200 I By Living Trust (2) Common Stock, $0.001 par value 09/21/2011   M   8,000 D $ 1.5 8,000 D   Common Stock, $0.001 par value 09/21/2011   S   8,000 D $ 6.8051 (5) 0 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 (right to buy)

$ 1.5

09/20/2011

M

8,000

09/12/2009

12/27/2019

Common Stock

58,666

$ 0

58,666

D

Stock Option (right to buy)

$ 1.5

09/21/2011

M

8,000

09/12/2009

12/27/2019

Common Stock

50,666

$ 0

50,666

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
REID CLIFFORD A 2071 STIERLIN COURT MOUNTAIN VIEW, CA 94043	X		Chief Executive Officer

Signatures

/s/ Maureen Monahan, Attorney in Fact for Clifford A. Reid		09/22/2011
**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)	The shares sold were pursuant to a Rule 10b5-1 plan dated June 16, 2011. The transaction was executed in multiple trades in prices ranging from $6.90 to $7.42 inclusive. The price reported in Column 4 above reflects the weighted average sales price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a stockholder of the Issuer, information regarding the number of shares and prices at which the transaction was effected.
(2)	These shares are held by the Clifford A. Reid Living Trust, Dated September 3, 1997, Clifford A. Reid, Trustee.
(3)	The shares sold were pursuant to a Rule 10b5-1 plan dated June 16, 2011. The transaction was executed in multiple trades in prices ranging from $6.80 to $7.44 inclusive. The price reported in Column 4 above reflects the weighted average sales price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a stockholder of the Issuer, information regarding the number of shares and prices at which the transaction was effected.
(4)	The shares sold were pursuant to a Rule 10b5-1 plan dated June 16, 2011. The transaction was executed in multiple trades in prices ranging from $6.655 to $7.06 inclusive. The price reported in Column 4 above reflects the weighted average sales price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a stockholder of the Issuer, information regarding the number of shares and prices at which the transaction was effected.
(5)	The shares sold were pursuant to a Rule 10b5-1 plan dated June 16, 2011. The transaction was executed in multiple trades in prices ranging from $6.67 to $7.10 inclusive. The price reported in Column 4 above reflects the weighted average sales price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a stockholder of the Issuer, information regarding the number of shares and prices at which the transaction was effected.

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