0000857005-08-000013 4 1 20080305 20080306 20080306 PORTER MICHAEL E 0001108494 4 34 000-18059 08670427 HARVARD BUSINESS SCHOOL SOLDIERS FIELD ROAD BOSTON MA 02163 PARAMETRIC TECHNOLOGY CORP 0000857005 7372 042866152 MA 0930 140 KENDRICK STREET NEEDHAM MA 02494 7813705000 140 KENDRICK STREET NEEDHAM MA 02494 4 1 porter03052008_ex.xml