X0202 4 2007-05-14 0 0001125294 CRYOCOR INC CRYO 0001290067 William Blair Capital Management VII, LLC 303 W. MADISON SUITE 2500 CHICAGO IL 60606 0 0 1 0 0001290052 William Blair Capital Management VII, LP 303 W. MADISON SUITE 2500 CHICAGO IL 60606 0 0 1 0 0001279822 BLAIR WILLIAM CAPITAL PARTNERS VII QP LP 303 W. MADISON SUITE 2500 CHICAGO IL 60606 0 0 1 0 0001279824 BLAIR WILLIAM CAPITAL PARTNERS VII LP 303 W. MADISON SUITE 2500 CHICAGO IL 60606 0 0 1 0 Non-qualified Stock Option (right to buy) 6.69 2007-05-14 4 A 0 6451 6.69 A 2007-06-14 2017-05-13 Common Stock 6451 6451 I See Footnote The Designated Filer is executing this report on behalf of 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. (collectively, the "Reporting Persons"), each of whom has authorized it to do so. This option will vest and become exercisable ratably on a monthly basis over a one-year period, beginning one month from date of grant. Represents an option granted to Arda Minocherhomjee, a Director of the Issuer. Pursuant to contractual arrangements between Mr. Minocherhomjee and William Blair Capital Management VII, L.P. and among the Reporting Persons, the Reporting Persons may be deemed to have a pecuniary interest in such option. Each of the reporting Persons disclaims beneficial ownership of such option and the Issuer?s other securities except to the extent of its pecuniary interest therein. Arda M. Minocherhomjee, Managing Director of William Blair Capital Management VII, L.L.C. 2007-05-22 Arda M. Minocherhomjee, Managing Director of William Blair Capital Management VII, L.L.C., the general partner of William Blair Capital Management VII, L.P. 2005-07-19 Arda M. Minocherhomjee, Managing Director of William Blair Capital Management VII, L.L.C., the general partner of William Blair Capital Management VII, L.P., the general partner of William Blair Capital Partners VII, QP, L.P. 2005-07-19 Arda M. Minocherhomjee, Managing Director of William Blair Capital Management VII, L.L.C., the general partner of William Blair Capital Management VII, L.P., the general partner of William Blair Capital Partners VII, L.P. 2005-07-19