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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
813672	Cadence Design Systems Inc	CDNS	Services-Prepackaged Software (7372)	770148231

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1448557	X. Charlie Huang	2655 Seely Avenue, Bldg 5 San Jose CA 95134	Sr.vice President	No	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2012-11-01	5,000	$9.59	115,247	No	4	M	Direct
Common Stock	Disposition	2012-11-01	5,000	$12.96	110,247	No	4	S	Direct
Common Stock	Acquisiton	2012-11-02	3,100	$12.99	23,520	No	4	G	Indirect	As Custodian for Children
Common Stock	Disposition	2012-11-02	3,100	$12.99	232,388	No	4	G	Indirect	Held by Trust

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct
No	4	G	Indirect	As Custodian for Children
No	4	G	Indirect	Held by Trust

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-qualified Stock Option (right to buy)	Disposition	2012-11-01	5,000	$0.00	5,000	$9.59

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2003-03-07	2013-02-07	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	12,611	Indirect	Held by reporting person's spouse.

Footnotes

Option was granted on February 7, 2003 and is fully vested. Will expire on February 7, 2013.
These securities are held in custodial accounts by Reporting Person's spouse for the children of Reporting Person and Reporting Person's spouse. The transfer of securities to these accounts was a bona fide gift from the Huang-Zhang Trust U/A DTD 6/12/96, of which Reporting Person and Reporting Person's spouse are trustees.
These securities were held by Huang-Zhang Trust U/A DTD 6/12/96, of which Reporting Person and Reporting Person's spouse are trustees. The transfer of securities from the trust was a bona fide gift for the children of Reporting Person and Reporting Person's spouse.