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 *
MORRISON SCOT K
  2. Issuer Name and Ticker or Trading Symbol
WIND RIVER SYSTEMS INC [WIND]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP&GM, VxWorks Product Div.
(Last)
(First)
(Middle)
500 WIND RIVER WAY
3. Date of Earliest Transaction (Month/Day/Year)
03/21/2008
(Street)

ALAMEDA, CA 94501
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 03/21/2008   M   3,250 A (1) 19,465 (2) D  
Common Stock               4,197.6997 (3) I Under 401(k) Plan

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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
Non-Qualified Stock Option (right to buy) $ 7.1 03/24/2008   A   40,000     (4) 03/24/2015 Common Stock 40,000 $ 0 40,000 D  
Restricted Stock Units (5) 03/24/2008   A   13,300     (6)   (6) Common Stock 13,300 $ 0 13,300 D  
Restricted Stock Units (7) 03/21/2008   M     3,250 03/21/2008   (8) Common Stock 3,250 (7) 9,750 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MORRISON SCOT K
500 WIND RIVER WAY
ALAMEDA, CA 94501
      SVP&GM, VxWorks Product Div.  

Signatures

 /s/ Ian R. Halifax, by Power of Attorney   03/25/2008
**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 reporting person received shares of Wind River common stock upon vesting of some of the restricted stock units granted on March 21, 2007.
(2) Includes 435 shares and 658 shares acquired under the Wind River stock purchase plan on June 29, 2007 and December 31,2007, respectively.
(3) As of March 20, 2008, the reporting person owned 13,063.869 units, which units represent interests in a Wind River 401(k) Plan. As of March 20, 2008, those units equate in value to approximately 4,197.6997 shares of Wind River common stock at the closing price of Wind River common stock on March 20, 2008 of $6.66.
(4) Assuming continued employment with the Company, 25% of the shares subject to the option shall vest on March 24, 2009 and 1/48 of the shares subject to the option shall vest each month thereafter.
(5) Each restricted stock unit represents a contingent right to receive one share of WIND common stock.
(6) The restricted stock units vest in four equal annual installments beginning on March 24, 2009.
(7) Some of the restricted stock units granted the the reporting person on March 21, 2007 vested and the reporting person received shares of Wind River common stock as reported in Table 1 above.
(8) The restricted stock units vest in four equal annual installments beginning on March 21, 2008.

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