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 *   Morgenthaler Partners VI LP 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) 2710 SAND HILL ROAD SUITE 100 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ 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) ___ Form filed by One Reporting Person _X_ 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)

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 A Convertible Preferred Stock	  (1)	  (2)	Common Stock	1,500,000	$ 0 (1)	D (3)	Â
Series B Convertible Preferred Stock	  (1)	  (2)	Common Stock	930,851	$ 0 (1)	D (3)	Â
Series C Convertible Preferred Stock	  (1)	  (2)	Common Stock	1,660,516	$ 0 (1)	D (3)	Â
Series D Convertible Preferred Stock	  (1)	  (2)	Common Stock	968,876	$ 0 (1)	D (3)	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Morgenthaler Partners VI LP 2710 SAND HILL ROAD SUITE 100 MENLO PARK, CA 94025	Â	  X	Â	Â
Morgenthaler Management Partners VI LLC 2710 SAND HILL ROAD SUITE 100 MENLO PARK, CA 94025	Â	  X	Â	Â

Signatures

/s/ Robert C. Bellas Jr., Managing Member		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)	The reported securities are convertible at any time at the option of Morgenthaler Partners VI, L.P., but automatically convert into shares of Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering, estimated to be on or about February 6, 2007.
(2)	Not applicable.
(3)	The reported securities are owned directly by Morgenthaler Partners VI, L.P. and indirectly by Morgenthaler Management Partners VI, L.L.C., as general partner of Morgenthaler Partners VI, L.P. Morgenthaler Management Partners VI, L.L.C. disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein.
  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 - Joint Filer Information.

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