CADENCE DESIGN SYSTEMS INC — Director's Dealing 2010

Feb 9, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CADENCE DESIGN SYSTEMS INC (CDNS)
CIK: 0000813672
Period of Report: 2010-02-05

Reporting Person: Cooley Thomas A. (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-05	Common Stock	F	1632	$5.73	Disposed	69343	Direct
2010-02-08	Common Stock	A	40000	—	Acquired	109343	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-02-08	Non-Qualified Stock Option (right to buy)	$5.6	A	130000	Acquired	2017-02-08	Common Stock (130000)	Direct

Footnotes

F1: Shares withheld to satisfy tax obligations arising out of vesting of restricted stock.

F2: Amount of Securities Beneficially Owned Following Reported Transaction includes 1,214 shares of common stock acquired by the reporting person through the Cadence Design Systems, Inc. Employee Stock Purchase Plan on January 29, 2010.

F3: Grant of performance based incentive stock.

F4: Option vests at a rate of 1/48th per month.