SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person*
Splain Michael E

(Last) (First) (Middle)
4150 NETWORK CIRCLE

(Street)
SANTA CLARA CA 95054

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
04/28/2008
3. Issuer Name and Ticker or Trading Symbol
SUN MICROSYSTEMS, INC. [ JAVA ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
EVP, Microelectronics
5. If Amendment, Date of 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
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock 24,116.5(1) D
Common Stock 10,000 I Shares held by Michael E. Splain & Donna M. Splain JT/WROS
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (Right to Buy)(2) (3) 04/18/2009 Common Stock 2,500 74.32 D
Employee Stock Option (Right to Buy)(2) (3) 06/13/2009 Common Stock 2,500 65 D
Employee Stock Option (Right to Buy)(2) (3) 09/27/2009 Common Stock 3,750 31.64 D
Employee Stock Option (Right to Buy)(2) (3) 11/07/2009 Common Stock 6,250 50.36 D
Employee Stock Option (Right to Buy)(2) (3) 11/07/2009 Common Stock 6,250 50.36 D
Employee Stock Option (Right to Buy)(2) (3) 03/19/2010 Common Stock 50 36.56 D
Employee Stock Option (Right to Buy)(2) (3) 03/19/2010 Common Stock 3,750 36.56 D
Employee Stock Option (Right to Buy)(2) (3) 07/25/2010 Common Stock 7,500 14.8 D
Employee Stock Option (Right to Buy)(2) (3) 07/25/2010 Common Stock 11,250 14.8 D
Employee Stock Option (Right to Buy)(2) (3) 05/21/2011 Common Stock 11,250 16.8 D
Employee Stock Option (Right to Buy)(2) (3) 11/13/2011 Common Stock 11,250 16.832 D
Employee Stock Option (Right to Buy)(2) (3) 05/18/2012 Common Stock 10,000 15 D
Employee Stock Option (Right to Buy)(2) (3) 09/17/2012 Common Stock 12,500 15.76 D
Employee Stock Option (Right to Buy)(2) (3) 11/10/2012 Common Stock 5,000 18.4 D
Employee Stock Option (Right to Buy)(2) (3) 01/27/2013 Common Stock 15,000 16.48 D
Employee Stock Option (Right to Buy)(2) (3) 07/28/2013 Common Stock 20,750 15.4 D
Employee Stock Option (Right to Buy)(2) (3) 11/02/2014 Common Stock 17,500 21.32 D
Employee Stock Option (Right to Buy)(2) (3) 01/31/2015 Common Stock 13,125 26.56 D
Employee Stock Option (Right to Buy)(2) (3) 11/14/2015 Common Stock 15,525 20 D
Explanation of Responses:
1. This includes 1,124 shares of unvested restricted stock and 19,875 shares of unvested restricted stock units.
2. This option was granted under the Sun Microsystems, Inc. 1990 Long-Term Equity Incentive Plan.
3. This option vests and becomes exercisable in five equal annual installments beginning on the first anniversary of the date of grant.
/s/ Michael E. Splain 04/30/2008
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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