X0202 4 2007-10-15 0 0000769397 AUTODESK INC ADSK 0001221137 BASS CARL 111 MCINNIS PARKWAY SAN RAFAEL CA 94903 1 1 0 0 President and CEO Common Stock 2007-10-15 4 M 0 8750 7.365 A 38080 D Common Stock 2007-10-15 4 S 0 400 50.19 D 37680 D Common Stock 2007-10-15 4 S 0 100 50.205 D 37580 D Common Stock 2007-10-15 4 S 0 900 50.21 D 36680 D Common Stock 2007-10-15 4 S 0 352 50.23 D 36328 D Common Stock 2007-10-15 4 S 0 200 50.24 D 36128 D Common Stock 2007-10-15 4 S 0 1215 50.25 D 34913 D Common Stock 2007-10-15 4 S 0 300 50.255 D 34613 D Common Stock 2007-10-15 4 S 0 335 50.26 D 34278 D Common Stock 2007-10-15 4 S 0 100 50.28 D 34178 D Common Stock 2007-10-15 4 S 0 300 50.29 D 33878 D Common Stock 2007-10-15 4 S 0 200 50.30 D 33678 D Common Stock 2007-10-15 4 S 0 600 50.32 D 33078 D Common Stock 2007-10-15 4 S 0 100 50.33 D 32978 D Common Stock 2007-10-15 4 S 0 100 50.38 D 32878 D Common Stock 2007-10-15 4 S 0 100 50.41 D 32778 D Common Stock 2007-10-15 4 S 0 150 50.42 D 32628 D Common Stock 2007-10-15 4 S 0 200 50.44 D 32428 D Common Stock 2007-10-15 4 S 0 91 50.45 D 32337 D Common Stock 2007-10-15 4 S 0 9 50.46 D 32328 D Common Stock 2007-10-15 4 S 0 200 50.47 D 32128 D Common Stock 2007-10-15 4 S 0 183 50.49 D 31945 D Common Stock 2007-10-15 4 S 0 1600 50.50 D 30345 D Common Stock 2007-10-15 4 S 0 465 50.51 D 29880 D Common Stock 2007-10-15 4 S 0 233 50.52 D 29647 D Common Stock 2007-10-15 4 S 0 200 50.56 D 29447 D Common Stock 2007-10-15 4 S 0 17 50.68 D 29430 D Common Stock 2007-10-15 4 S 0 100 50.79 D 29330 D Non-Qualified Stock Option (right to buy) 7.365 2007-10-15 4 M 0 8750 0 D 2006-03-13 2013-03-13 Common Stock 8750 23924 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 29, 2007. The option vests over a 4-year period beginning on March 13, 2003 at the rate of 37,498 shares on each of the first and second anniversaries and 37,500 shares on the third anniversary and 23,924 shares on the fourth anniversary. Nancy R. Thiel, Attorney-in-fact for Carl Bass 2007-10-16