X0203 3 2008-12-29 0 0001222929 CARDIOVASCULAR SYSTEMS INC CSII 0001428222 Hartzler Geoffrey O 651 CAMPUS DRIVE ST. PAUL MN 55112 1 0 0 1 Mbr of 13(d) grp owng > 10% Common Stock 180663 I By Geoffrey O. Hartzler Rev Trust Stock Option (right to buy) 6.00 2004-12-01 2009-11-30 Common Stock 20000 D Stock Option (right to buy) 8.00 2005-12-01 2010-11-30 Common Stock 15000 D Stock Option (right to buy) 5.71 2006-12-19 2016-12-18 Common Stock 20000 D Stock Option (right to buy) 5.11 2007-10-09 2017-10-08 Common Stock 6681 D Stock Option (righ to buy) 7.36 2007-11-13 2017-11-12 Common Stock 23319 D Stock Option (right to buy) 9.04 2008-02-14 2013-02-13 Common Stock 114809 D /s/ Carlye S. Landin as Attorney-in-Fact for Geoffrey O. Hartzler pursuant to Power of Attorney filed herewith. 2008-12-29