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 *
SCHWARTZ JONATHAN I
   2. Issuer Name and Ticker or Trading Symbol
SUN MICROSYSTEMS, INC. [JAVA] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President and CEO
(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(10)   0.5 D $ 10.35 500,138 (1) 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 (2) $ 146.8752               (3) 12/15/2007 Common Stock 30,000   30,000 D  
Employee Stock Option (2) $ 160               (3) 04/12/2010 Common Stock 17,500   17,500 D  
Employee Stock Option (2) $ 180.1252               (3) 06/13/2010 Common Stock 7,500   7,500 D  
Employee Stock Option (2) $ 74.32               (3) 04/18/2011 Common Stock 50,000   50,000 D  
Employee Stock Option (2) $ 50.36               (3) 11/07/2011 Common Stock 18,750   18,750 D  
Employee Stock Option (2) $ 50.36               (3) 11/07/2011 Common Stock 18,750   18,750 D  
Employee Stock Option (2) $ 36.56               (3) 03/19/2012 Common Stock 50   50 D  
Employee Stock Option (2) $ 25.8               (3) 05/02/2012 Common Stock 50,000   50,000 D  
Employee Stock Option (2) $ 14.8               (3) 07/25/2012 Common Stock 75,000   75,000 D  
Employee Stock Option (2) $ 15.4               (4) 07/23/2013 Common Stock 125,000   125,000 D  
Employee Stock Option (2) $ 15.6               (5) 04/30/2014 Common Stock 250,000   250,000 D  
Employee Stock Option (Right to Buy) (2) $ 15.16               (6) 07/29/2014 Common Stock 200,000   200,000 D  
Employee Stock Option (Right to Buy) (2) $ 15.4               (7) 07/28/2015 Common Stock 225,000   225,000 D  
Employee Stock Option (Right to Buy) (2) $ 19.8               (8) 04/27/2016 Common Stock 500,000   500,000 D  
Employee Stock Option (Right to Buy) (2) $ 20.4               (9) 07/31/2017 Common Stock 500,000   500,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
SCHWARTZ JONATHAN I
4150 NETWORK CIRCLE
SANTA CLARA, CA 95054		   X     President and CEO  

Signatures

 /s/ Jonathan I. Schwartz   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) Includes 12,500 shares of unvested restricted stock.
(2) This option was granted under the Sun Microsystems, Inc. 1990 Long-Term Equity Incentive Plan.
(3) Immediately.
(4) The remainder of this option vests in one annual installment of 25,000 shares on the fifth anniversary of the date of grant.
(5) The remainder of this option vests in two equal annual installments of 50,000 shares on each of the fourth and fifth anniversaries of the date of grant.
(6) The remainder of this option vests in two equal annual installments of 40,000 shares on each of the fourth and fifth anniversaries of the date of grant.
(7) The remainder of this option vests in three equal annual installments of 45,000 shares on each of the third, fourth and fifth anniversaries of the date of grant.
(8) The remainder of this option vests in four equal annual installments of 100,000 shares on each of the second, third, fourth and fifth anniversaries of the date of grant.
(9) This option vests and becomes exercisable in five equal annual installments of 100,000 shares beginning on July 31, 2008.
(10) 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.

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