0001193125-10-134217 DEFA14A 1 20100608 20100607 20100608 AUTODESK INC 0000769397 7372 942819853 DE 0131 DEFA14A 34 000-14338 10882869 111 MCINNIS PKWY SAN RAFAEL CA 94903 4155075000 111 MCINNIS PKWY SAN RAFAEL CA 94903 DEFA14A 1 ddefa14a.htm DEFINITIVE ADDITIONAL MATERIALS