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 *
Lares Adriel G
  2. Issuer Name and Ticker or Trading Symbol
3PAR Inc. [PAR]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VP, Finance and CFO
(Last)
(First)
(Middle)
C/O 3PAR INC., 4209 TECHNOLOGY DRIVE
3. Date of Earliest Transaction (Month/Day/Year)
09/27/2010
(Street)

FREMONT, CA 94538
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

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Right to Buy (Common Stock) $ 9.89 09/27/2010 09/27/2010 D     40,000 05/12/2011 05/12/2020 Common Stock 40,000 (1) 0 D  
Right to Buy (Common Stock) $ 9.36 09/27/2010 09/27/2010 D     60,000 06/01/2010 06/01/2019 Common Stock 60,000 (2) 0 D  
Right to Buy (Common Stock) $ 8.96 09/27/2010 09/27/2010 D     60,000 08/05/2009 08/05/2018 Common Stock 60,000 (3) 0 D  
Right to Buy (Common Stock) $ 11.2 09/27/2010 09/27/2010 D     82,499 07/26/2008 07/26/2017 Common Stock 82,499 (4) 0 D  
Right to Buy (Common Stock) $ 0.58 09/27/2010 09/27/2010 D     80,000 11/17/2006 11/17/2015 Common Stock 80,000 (5) 0 D  
Restricted Stock Unit $ 0.001 (6) 09/27/2010 09/27/2010 D     25,000 05/12/2011 05/12/2014 Common Stock 25,000 (7) 0 D  
Restricted Stock Unit $ 0.001 (6) 09/27/2010 09/27/2010 D     22,500 06/01/2010 06/01/2013 Common Stock 22,500 (8) 0 D  
Restricted Stock Unit $ 0.001 (6) 09/27/2010 09/27/2010 D     20,000 07/21/2012 07/21/2012 Common Stock 20,000 (9) 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Lares Adriel G
C/O 3PAR INC.
4209 TECHNOLOGY DRIVE
FREMONT, CA 94538
      VP, Finance and CFO  

Signatures

 /s/ Ricardo E. Velez, Atty-in-Fact for Adriel G. Lares   09/30/2010
**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) Pursuant to the terms of a merger agreement between the issuer, Hewlett-Packard Company ("HP") and Rio Acquisition Corporation (the "Merger"), this option was assumed and exchanged for an option to purchase 33,277 shares of HP common stock at an exercise price per share of $11.89.
(2) Pursuant to the terms of the Merger, 15,000 shares under this option were not assumed by HP and were cancelled in exchange for a cash payment to Reporting Person equal to the difference between the offer price per share of $33.00 and the exercise price per share of the option. The remaining shares under the option were assumed and exchanged for an option to purchase 37,436 shares of HP common stock at an exercise price per share of $11.26.
(3) Pursuant to the terms of the Merger, 30,000 shares under this option were not assumed by HP and were cancelled in exchange for a cash payment to Reporting Person equal to the difference between the offer price per share of $33.00 and the exercise price per share of the option. The remaining shares under the option were assumed and exchanged for an option to purchase 24,957 shares of HP common stock at an exercise price per share of $10.78.
(4) Pursuant to the terms of the Merger, 63,407 shares under this option were not assumed by HP and were cancelled in exchange for a cash payment to Reporting Person equal to the difference between the offer price per share of $33.00 and the exercise price per share of the option. The remaining shares under the option were assumed and exchanged for an option to purchase 15,883 shares of HP common stock at an exercise price per share of $13.47.
(5) Pursuant to the terms of the Merger, this option was not assumed by HP and was cancelled in exchange for a cash payment to Reporting Person equal to the difference between the offer price per share of $33.00 and the exercise price per share of the option.
(6) Represents par value of Issuer's common stock.
(7) Pursuant to the terms of the Merger, this restricted stock unit was exchanged for a restricted stock unit covering 20,798 shares of HP common stock.
(8) Pursuant to the terms of the Merger, this restricted stock unit was exchanged for a restricted stock unit covering 18,718 shares of HP common stock.
(9) Pursuant to the terms of the Merger, this restricted stock unit was exchanged for a restricted stock unit covering 16,638 shares of HP common stock.

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