X0306 4 2016-02-08 0 0000813672 CADENCE DESIGN SYSTEMS INC CDNS 0001431680 Cowie James J 2655 SEELY AVENUE, BLDG. 5 SAN JOSE CA 95134 0 1 0 0 Sr. VP, General Counsel Common Stock 2016-02-08 4 A 0 22500 0.00 A 58333 D Common Stock 2016-02-08 4 A 0 50000 0.00 A 108333 D Common Stock 2016-02-09 4 F 0 1528 19.82 D 106805 D Common Stock 2016-02-09 4 Z 0 2639 0.00 D 104166 D Common Stock 2016-02-09 4 Z 0 2639 0.00 A 93274 I By Trust Non-Qualified Stock Option (right to buy) 19.60 2016-02-08 4 A 0 60000 0.00 A 2016-03-08 2023-02-08 Common Stock 60000 60000 D Grant of performance-based incentive stock. Shares withheld to satisfy tax obligations arising out of vesting of restricted stock. Shares transferred to the Cowie Family Trust UAD 12/14/2012, of which Reporting Person and Reporting Person's spouse are trustees. Shares held by the Cowie Family Trust UAD 12/14/2012, of which Reporting Person and Reporting Person's spouse are trustees. Option vests at a rate of 1/48th per month. Yoonie Y. Chang, Attorney-in-Fact for James J. Cowie 2016-02-10