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 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
HARMAN FREDERIC W
   2. Issuer Name and Ticker or Trading Symbol
U.S. Auto Parts Network, Inc. [PRTS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O OAK INVESTMENT PARTNERS, 900 MAIN AVENUE, SUITE 600		 3. Date of Earliest Transaction (Month/Day/Year)
03/25/2013
(Street)

NORWALK, CT 06851		 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

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

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
Series A Convertible Preferred Stock (1) $ 1.45 (2) 03/25/2013   P   1,379,310     (3)   (4) Common Stock 1,379,310 (1) 1,379,310 I See Note (5)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
HARMAN FREDERIC W
C/O OAK INVESTMENT PARTNERS
900 MAIN AVENUE, SUITE 600
NORWALK, CT 06851		   X   X    
Oak Investment Partners XI L P
900 MAIN AVENUE, SUITE 600
NORWALK, CT 06851		     X    

Signatures

 /s/ Fredric W. Harman   03/27/2013
**Signature of Reporting Person Date
 Fredric W. Harman, Managing Member of Oak Associates XI, L.L.C., the General Partner of Oak Investment Partners XI, Limited Partnership   03/27/2013
**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 reported securities represent shares directly owned by Oak Investment Partners XI, Limited Partnership ("Oak XI, LP"). The Series A Convertible Preferred Stock was purchased by Oak XI, LP on March 25, 2013 for an aggregate purchase price of $1,999,999.50.
(2) The initial conversion price is $1.45 per share (which may be adjusted from time to time for any stock split, stock combination or other similar transaction of the Series A Convertible Preferred Stock).
(3) The Series A Convertible Preferred Stock is immediately convertible into Common Stock of the Issuer at the option of Oak XI, LP. In addition, the Series A Convertible Preferred Stock will automatically convert into shares of Common Stock of the Issuer in other instances.
(4) The Series A Convertible Preferred Stock does not have an expiration date.
(5) The reported securities are directly held by Oak XI, LP. Oak Associates XI, L.L.C., as the general partner of Oak XI, LP, may be deemed to beneficially own the reported securities.
 
Remarks:
Remarks:
Fredric W. Harman is a Director of U.S. Auto Parts Network, Inc. Mr. Harman is a Managing Member of Oak Associates XI, L.L.C., the General Partner of Oak XI, LP, and may be deemed to beneficially own the reported securities.

Each Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of any securities (except to the extent such Reporting Person's pecuniary interest in such securities) other than any securities reported herein as being directly owned by such Reporting Person, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of any such securities for purposes of Section 16 for any other purpose.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.