Ownership Submission
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, 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 *
  Will Allan R
2. Date of Event Requiring Statement (Month/Day/Year)
01/31/2007
3. Issuer Name and Ticker or Trading Symbol
XTENT INC [XTNT]
(Last)
(First)
(Middle)
1600 EL CAMINO REAL, SUITE 290
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

MENLO PARK, CA 94025
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 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 160,156
I
by The Will Family Trust (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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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 of Derivative Security: 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
Series B Preferred Stock   (2)   (3) Common Stock 1,263,297 $ (2) I by St. Paul Venture Capital VI, LLC (4)
Series C Preferred Stock   (2)   (3) Common Stock 1,014,760 $ (2) I by St. Paul Venture Capital VI, LLC (4)
Series D Preferred Stock   (2)   (3) Common Stock 337,078 $ (2) I by St. Paul Venture Capital VI, LLC (4)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Will Allan R
1600 EL CAMINO REAL
SUITE 290
MENLO PARK, CA 94025
  X   X    

Signatures

/s/ Lisa L. Corbin as Attorney-in-Fact for Allan R. Will 01/31/2007
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Represents securities held directly by The Will Family Trust, which the reporting person is a Trustee.
(2) Each share of Series B, Series C and Series D Preferred Stock is convertible at any time at the option of the holder, and will automatically convert into shares of the Issuer's Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering, estimated to be on or about February 6, 2007.
(3) Not applicable.
(4) Represents securities held directly by St. Paul Venture Capital VI, LLC, which is jointly managed by Split Rock Partners, LLC and Vesbridge Partners, LLC. Voting and investment power over the shares, however, has been delegated solely to Split Rock Partners, LLC. Split Rock Partners, LLC has delegated voting and investment decisions with respect to the shares to four individuals (one of whom is the reporting person) who require a two-thirds vote to act. The reporting person may be deemed to be an indirect beneficial owner of the reported securities. The reporting person disclaims any beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein. This report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
 
Remarks:
The Date of Event is based upon the date of effectiveness of the Issuer's Registration Statement on Form S-1 filed in connection with the Issuer's initial public offering, estimated to be on or about January 31, 2007.

See Exhibit 99.1 for Power of Attorney.

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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