X0306 4 2017-05-15 0 0000769397 AUTODESK INC ADSK 0001221137 BASS CARL 111 MCINNIS PKWY SAN RAFAEL CA 94903 1 0 0 0 Common Stock 2017-05-15 4 F 0 29195 96.63 D 138608 D Shares withheld to cover taxes. Pursuant to the terms of the February 6, 2017 Transition Agreement between the Reporting Person and the Company, the Reporting Person's outstanding Restricted Stock Units fully accelerated and vested on May 15, 2017. Andy R. Sewell, Attorney-in-Fact for Carl Bass 2017-05-16