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 *
PAPADOPOULOS GREGORY M
   2. Issuer Name and Ticker or Trading Symbol
SUN MICROSYSTEMS, INC. [JAVA] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP, R&D & CTO
(Last)
(First)
(Middle)
4150 NETWORK CIRCLE		 3. Date of Earliest Transaction (Month/Day/Year)
11/12/2007
(Street)

SANTA CLARA, CA 95054		 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 11/12/2007   S(9)   0.25 D $ 5.17 55,070.25 (8) 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
Employee Stock Option (Right to Buy) (1) $ 20.094               (2) 04/15/2008 Common Stock 73,500   26,500 D  
Employee Stock Option (Right to Buy) (1) $ 50.1252               (2) 04/20/2009 Common Stock 25,000   25,000 D  
Employee Stock Option (Right to Buy) (1) $ 160               (2) 04/12/2010 Common Stock 12,919   12,919 D  
Employee Stock Option (Right to Buy) (1) $ 74.32               (2) 04/18/2011 Common Stock 27,921   27,921 D  
Employee Stock Option (Right to Buy) (1) $ 50.36               (2) 11/07/2011 Common Stock 9,802   9,802 D  
Employee Stock Option (Right to Buy) (1) $ 50.36               (2) 11/07/2011 Common Stock 11,196   11,196 D  
Employee Stock Option (Right to Buy) (1) $ 36.56               (2) 03/19/2010 Common Stock 31   31 D  
Employee Stock Option (Right to Buy) (1) $ 25.8               (2) 05/02/2012 Common Stock 31,743   31,743 D  
Employee Stock Option (Right to Buy) (1) $ 14.8               (2) 07/25/2012 Common Stock 49,428   9,885 D  
Employee Stock Option (Right to Buy) (1) $ 15.4               (3) 07/23/2013 Common Stock 99,788   99,788 D  
Employee Stock Option (Right to Buy) (1) $ 15.16               (4) 07/29/2014 Common Stock 100,000   100,000 D  
Employee Stock Option (Right to Buy) (1) $ 15.4               (5) 07/28/2015 Common Stock 75,000   75,000 D  
Employee Stock Option (Right to Buy) (1) $ 17.04               (6) 07/27/2016 Common Stock 125,000   125,000 D  
Employee Stock Option (Right to Buy) (1) $ 20.4               (7) 07/31/2017 Common Stock 112,500   112,500 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
PAPADOPOULOS GREGORY M
4150 NETWORK CIRCLE
SANTA CLARA, CA 95054		       EVP, R&D & CTO  

Signatures

 /s/ Gregory M. Papadopoulos   11/13/2007
**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) This option was granted under the Sun Microsystems, Inc. 1990 Long-Term Equity Incentive Plan.
(2) Immediately.
(3) The remainder of this option vests in one annual installment of 19,957 shares on the fifth anniversary of the date of grant.
(4) The remainder of this option vests in two equal annual installments of 20,000 shares on each of the fourth and fifth anniversaries of the date of grant.
(5) The remainder of this option vests in three equal annual installments of 15,000 shares on each of the third, fourth and fifth anniversaries of the date of grant.
(6) The remainder of this option vests in four equal annual installments of 25,000 shares on each of the second, third, fourth and fifth anniversaries of the date of grant.
(7) This option vests and becomes exercisable in five equal annual installments of 22,500 shares beginning on July 31, 2008.
(8) This includes 4,125 shares of unvested restricted stock.
(9) This transaction represents the purchase by Sun Microsystems, Inc. of a fractional share of Common Stock resulting from the company's one-for-four reverse stock split effective November 12, 2007 at a purchase price of $20.71 per share, which was the average closing price as reported on NASDAQ for the four trading days preceding the effective date. The company did not purchase fractional shares resulting from the reverse stock split if they were acquired under the company's Employee Stock Purchase Plan ("ESPP") and maintained in an ESPP account at Smith Barney.

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