X0202 3 2005-05-12 0 0001074874 DIOMED HOLDINGS INC DIO 0001327015 GEBERTH CHRISTOPHER J C/O DIOMED HOLDINGS, INC. ONE DUNDEE PARK ANDOVER MA 01810 0 1 0 0 Vice President - Finance Common Stock 2000 I registered jointly with spouse Stock Options 2.50 2014-05-17 Common Stock 20000 D Stock Options 3.54 2014-12-19 Common Stock 10000 D Stock Options 4.20 2015-01-10 Common Stock 10000 D Purchased in open market on 5/12/05 at $2.75 per share. Granted 5/17/04 under 2003 Plan. Vesting quarterly in arrears over three years from date of grant. Granted 12/19/04 under 2003 Plan. Vesting quarterly in arrears over three years from date of grant. Granted 1/10/05 under 2003 Plan. Vesting quarterly in arrears over three years from date of grant. /s/ Christopher Geberth 2005-05-13