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

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1. Name and Address of Reporting Person * MINOCHERHOMJEE ARDA   2. Issuer Name and Ticker or Trading Symbol CRYOCOR INC [CRYO] 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) 9717 PACIFIC HEIGHTS BLVD. 3. Date of Earliest Transaction (Month/Day/Year) 05/28/2008 (Street) SAN DIEGO, CA 92121 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 05/28/2008   U   1,944,961 D $ 1.35 0 I By Partnership (1)

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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

Non-qualified Stock Option (right to buy)

$ 2.35

05/28/2008

D

6,451

(2)

05/02/2016

Common Stock

6,451

$ 0

0

D (3) (4)

Non-qualified Stock Option (right to buy)

$ 6.69

05/28/2008

D

6,451

(2)

05/13/2017

Common Stock

6,451

$ 0

0

D (3) (4)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
MINOCHERHOMJEE ARDA 9717 PACIFIC HEIGHTS BLVD. SAN DIEGO, CA 92121	X	X

Signatures

/s/ Amy A. Seidlinger for Arda M. Minocherhomjee		05/30/2008
**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)	The shares are held as follows: 1,872,801 by William Blair Capital Partners VII, QP L.P. and 72,160 by William Blair Capital Partners VII, L.P. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.
(2)	The Non-qualified Stock Option had fully vested prior to the close of the merger between the Issuer, Boston Scientific Scimed, Inc. and Padres Acquisition Corp. The Non-qualified Stock Option was not exercised and therefore was canceled at the close of the merger between the Issuer, Boston Scientific Scimed, Inc. and Padres Acquisition Corp.
(3)	The Reporting Person is a managing director and a member of William Blair Capital Management VII, L.L.C., the general partner of William Blair Capital Management VII, L.P. The Reporting Person is also a managing director and limited partner of William Blair Capital Management, L.P., the general partner of William Blair Capital Partners VII QP, L.P. and William Blair Capital Partners VII, L.P. Under various partnership agreements, the Reporting Person may be deemed to hold the reported option for the benefit of William Blair Capital Management VII, L.P., William Blair Capital Partners VII QP, L.P. and/or William Blair Capital Partners VII, L.P. As a result, (Continued in footnote 4)
(4)	William Blair Capital Management VII, L.L.C., William Blair Capital Management VII, L.P., William Blair Capital Partners VII QP, L.P. and William Blair Capital Partners VII, L.P. may be deemed to be indirect beneficial owners of all or a potion of the option, and the Reporting Person may also be deemed an indirect beneficial owner of the option through his interest in William Blair Capital Management VII, L.P. The Reporting Person hereby disclaims beneficial ownership of the option except to the extent of his pecuniary interest therein.

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