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 *
  Grainger Jeffry J
 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)
C/O XTENT, INC., 125 CONSTITUTION DRIVE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VP Corporate Affairs, GC
 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 124,500
I (1)
By The Grainger-Monsen Family 2003 Trust

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
Employee Stock Option (Right to Buy)   (2) 05/01/2016 Common Stock 56,500 $ 3.5 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Grainger Jeffry J
C/O XTENT, INC.
125 CONSTITUTION DRIVE
MENLO PARK, CA 94025		       VP Corporate Affairs, GC  

Signatures

/s/ Jeffry J. Grainger 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) Mr. Grainger is a trustee of the Grainger-Monsen Family 2003 Trust and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
(2) All shares subject to the option may be exercised immediately but vest as to 1/48 per month following the vesting commencement date of 05/01/2006.
 
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.

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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