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

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * Casciaro Gregory D   2. Issuer Name and Ticker or Trading Symbol XTENT INC [XTNT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) 125 CONSTITUTION DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 03/31/2008 (Street) MENLO PARK, CA 94025 4. If Amendment, Date Original Filed(Month/Day/Year) 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 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 04/01/2008(1)   S   802 D $ 5.05 629,898 D   Common Stock 04/01/2008(1)   S   1,198 D $ 5 628,700 D   Common Stock               1,700 I By Daughter (2) Common Stock               1,700 I By Son (3) Common Stock               1,700 I By Daughter (4)

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

Incentive Stock Option (right to buy)

$ 5

03/31/2008

A

20,308

05/01/2008(5)

03/31/2018

Common Stock

20,308

$ 0

20,308

D

Non-Qualified Stock Option (right to buy)

$ 5

03/31/2008

A

40,610

05/01/2008(5)

03/31/2018

Common Stock

40,610

$ 0

40,610

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Casciaro Gregory D 125 CONSTITUTION DRIVE MENLO PARK, CA 94025	X		President and CEO

Signatures

/s/ Gregory D. Casciaro		04/02/2008
**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)	Sale pursuant to rule 10b5-1(c) under the Securities and Exchange Act of 1934, as amended
(2)	Shares held by Mr. Casciaro's adult daughter who shares his household. Mr. Casciaro disclaims beneficial ownership of the shares held by his adult daughter, and this report should not be deemed an admission that he is the beneficial owner of his adult daughter's shares for purposes of Section 16 or for any other purposes
(3)	Shares held by Mr. Casciaro's minor son under the California Uniform Transfer to Minors Act (UTMA) pursuant to an arrangement by which Mr. Casciaro acts as custodian for his minor son.
(4)	Shares held by Mr. Casciaro's minor daughter under the UTMA pursuant to an arrangement by which Mr. Casciaro acts as custodian for his minor daughter.
(5)	All shares subject to the option will vest over a 48 month period, such that 1/48th of the total shares subject to the option grant will vest on the first day of each month commencing May 1, 2008.

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.