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 *
MV MANAGEMENT IX LLC
   2. Issuer Name and Ticker or Trading Symbol
3PAR Inc. [PAR] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
3000 SAND HILL ROAD, BLDG 4, SUITE 100		 3. Date of Earliest Transaction (Month/Day/Year)
09/24/2010
(Street)

MENLO PARK, CA 94025		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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 09/24/2010 09/24/2010 U   8,777,767 D $ 33 0 I See Footnotes (1) (2)
Common Stock 09/24/2010 09/24/2010 U   292,965 D $ 33 0 I See Footnotes (3) (4)
Common Stock 09/24/2010 09/24/2010 U   36,574 D $ 33 0 I See Footnotes (5) (6)
Common Stock 09/24/2010 09/24/2010 U   164,055 D $ 33 0 I See Footnotes (7) (8)

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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MV MANAGEMENT IX LLC
3000 SAND HILL ROAD
BLDG 4, SUITE 100
MENLO PARK, CA 94025		     X    
MENLO VENTURES IX LP
3000 SAND HILL ROAD
BLDG 4, SUITE 100
MENLO PARK, CA 94025		     X    
MENLO ENTREPRENEURS FUND IX LP
3000 SAND HILL ROAD
BLDG 4, SUITE 100
MENLO PARK, CA 94025		     X    
MENLO ENTREPRENEURS FUND IX A LP
3000 SAND HILL ROAD
BLDG 4, SUITE 100
MENLO PARK, CA 94025		     X    
MMEF IX LP
3000 SAND HILL ROAD
BLDG 4, SUITE 100
MENLO PARK, CA 94025		     X    

Signatures

 /s/ Mark A. Siegel for MV Management IX, L.L.C.   09/27/2010
**Signature of Reporting Person Date
 /s/ Mark A. Siegel, MV Management IX, L.L.C., its General Partner for Menlo Ventures IX, L.P.   09/27/2010
**Signature of Reporting Person Date
 /s/ Mark A. Siegel, MV Management IX, L.L.C., its General Partner for Menlo Entrepreneurs Fund IX, L.P.   09/27/2010
**Signature of Reporting Person Date
 /s/ Mark A. Siegel, MV Management IX, L.L.C., its General Partner for Menlo Entrepreneurs Fund IX(A), L.P.   09/27/2010
**Signature of Reporting Person Date
 /s/ Mark A. Siegel, MV Management IX, L.L.C., its General Partner for MMEF IX, L.P.   09/27/2010
**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) These shares are owned directly by Menlo Ventures IX, L.P. ("Menlo IX"), of which MV Management IX, L.L.C. ("MVM IX") is the sole general partner and exercises voting and investment power over these shares. The managing members of MVM IX are Mark A. Siegel, H.D. Montgomery, Douglas C. Carlisle, Sonja H. Perkins, John W. Jarve, Pravin A. Vazirani and Shawn T. Carolan. The reporting person and its managing members disclaim beneficial ownership of these securities, except to the extent of their respective proportionate pecuniary interest therein and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose. Mark A. Siegel is a director of Issuer. (Continued in Footnote 2)
(2) Menlo IX, Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P., and MMEF IX L.P. may be deemed to be a member of a Section 13(d) "group". Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P., and MMEF IX L.P. disclose the existence of such group and disclaim beneficial ownership of any shares held by Menlo IX.
(3) These shares are owned directly by Menlo Entrepreneurs Fund IX, L.P., of which MVM IX is the sole general partner and exercises voting and investment power over these shares. The managing members of MVM-IX are Mark A. Siegel, H.D. Montgomery, Douglas C. Carlisle, Sonja H. Perkins, John W. Jarve, Pravin A. Vazirani and Shawn T. Carolan. The reporting person and its managing members disclaim beneficial ownership of these securities, except to the extent of their respective proportionate pecuniary interest therein and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose. Mark A. Siegel is a director of Issuer. (Continued in Footnote 4)
(4) Menlo IX, Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. may be deemed to be a member of a Section 13(d) "group." Menlo IX, Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. disclose the existence of such group and disclaim beneficial ownership of any shares held by Menlo Entrepreneurs Fund IX, L.P.
(5) These shares are owned directly by Menlo Entrepreneurs Fund IX(A), L.P., of which MVM IX is the sole general partner and exercises voting and investment power over these shares. The managing members of MVM-IX are Mark A. Siegel, H.D. Montgomery, Douglas C. Carlisle, Sonja H. Perkins, John W. Jarve, Pravin A. Vazirani and Shawn T. Carolan. The reporting person and its managing members disclaim beneficial ownership of these securities, except to the extent of their respective proportionate pecuniary interest therein and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose. Mark A. Siegel is a director of Issuer. (Continued in Footnote 6)
(6) Menlo IX, Menlo Entrepreneurs Fund IX, L.P. and MMEF IX, L.P. may be deemed to be a member of a Section 13(d) "group." Menlo IX, Menlo Entrepreneurs Fund IX, L.P. and MMEF IX, L.P. disclose the existence of such group and disclaim beneficial ownership of any shares held by Menlo Entrepreneurs Fund IX(A), L.P.
(7) These shares are owned directly by MMEF IX, L.P., of which MVM IX is the sole general partner and exercises voting and investment power over these shares. The managing members of MVM-IX are Mark A. Siegel, H.D. Montgomery, Douglas C. Carlisle, Sonja H. Perkins, John W. Jarve, Pravin A. Vazirani and Shawn T. Carolan. The reporting person and its managing members disclaim beneficial ownership of these securities, except to the extent of their respective proportionate pecuniary interest therein and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose. Mark A. Siegel is a director of Issuer. (Continued in Footnote 8)
(8) Menlo IX, Menlo Entrepreneurs Fund IX, L.P. and Menlo Entrepreneurs Fund IX(A), L.P. may be deemed to be a member of a Section 13(d) "group." Menlo IX Menlo Entrepreneurs Fund IX, L.P. and Menlo Entrepreneurs Fund IX(A), L.P. disclose the existence of such group and disclaim beneficial ownership of any shares held by MMEF IX, L.P.

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