CADENCE DESIGN SYSTEMS INC - Director's Dealing 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CADENCE DESIGN SYSTEMS INC (CDNS)
CIK: 0000813672
Period of Report: 2012-02-06

Reporting Person: Huang Charlie X. (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-06	Common Stock	A	30000	—	Acquired	119110	Direct
2012-02-06	Common Stock	F	2139	$11.62	Disposed	116971	Direct
2012-02-08	Common Stock	F	2445	$11.76	Disposed	114526	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-06	Non-Qualified Stock Option (right to buy)	$11.62	A	100000	Acquired	2019-02-06	Common Stock (100000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	11372	Indirect
Common Stock	235488	Indirect
Common Stock	20420	Indirect

Footnotes

F1: These securites are held by Huang-Zhang Trust U/A DTD 6/12/96, of which Reporting Person and Reporting Person's spouse are trustees.

F2: These securities are held in custodial accounts by Reporting Person's spouse for the children of Reporting Person and Reporting Person's spouse.

F3: Grant of performance based incentive stock.

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

F5: Shares withheld to satisfy tax obligations arising out of vesting of restricted stock.

AI assistant

CADENCE DESIGN SYSTEMS INC Director's Dealing 2012

29878_dirs_2012-02-08_47144a64-1ead-4d2f-9b1a-72ac8040b5a4.zip

SEC Form 4 — Statement of Changes in Beneficial Ownership

Non-Derivative Transactions

Derivative Transactions

Holdings (Non-Derivative)

Footnotes

AI assistant

CADENCE DESIGN SYSTEMS INC — Director's Dealing 2012

29878_dirs_2012-02-08_47144a64-1ead-4d2f-9b1a-72ac8040b5a4.zip

SEC Form 4 — Statement of Changes in Beneficial Ownership

Non-Derivative Transactions

Derivative Transactions

Holdings (Non-Derivative)

Footnotes

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CADENCE DESIGN SYSTEMS INC Director's Dealing 2012