0001246360-11-002470.txt : 20110512 0001246360-11-002470.hdr.sgml : 20110512 20110512161016 ACCESSION NUMBER: 0001246360-11-002470 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110511 FILED AS OF DATE: 20110512 DATE AS OF CHANGE: 20110512 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CADENCE DESIGN SYSTEMS INC CENTRAL INDEX KEY: 0000813672 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] IRS NUMBER: 770148231 STATE OF INCORPORATION: DE FISCAL YEAR END: 1229 BUSINESS ADDRESS: STREET 1: 2655 SEELY ROAD BLDG 5 CITY: SAN JOSE STATE: CA ZIP: 95134 BUSINESS PHONE: 4089431234 MAIL ADDRESS: STREET 1: 555 RIVER OAKS PARKWAY CITY: SAN JOSE STATE: CA ZIP: 95134 FORMER COMPANY: FORMER CONFORMED NAME: ECAD INC /DE/ DATE OF NAME CHANGE: 19880609 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: TAN LIP BU CENTRAL INDEX KEY: 0001008463 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-10606 FILM NUMBER: 11835923 MAIL ADDRESS: STREET 1: ONE CALIFORNIA STREET 28TH FLOOR CITY: SAN FRANCISCO STATE: CA ZIP: 94111 FORMER NAME: FORMER CONFORMED NAME: TAN LIP BU ET AL DATE OF NAME CHANGE: 19960217 4 1 form.xml PRIMARY DOCUMENT X0303 4 2011-05-11 false 0000813672 CADENCE DESIGN SYSTEMS INC CDNS 0001008463 TAN LIP BU 2655 SEELY AVENUE, BLDG 5 SAN JOSE CA 95134 true true false false President and CEO Common Stock 558332 D Common Stock 31400 I Held By IRA Common Stock 2011-05-11 4 P false 10000 10.628 A 178386 I By Trust Shares held by IRA FBO Lip-Bu Tan DB Securities Inc. Custodian Rollover Account DTD 5/19/97. Amount of Securities Beneficially Owned Following Reported Transaction includes: (i) 7,000 shares held by L Tan & N Lee & W Lee Trusteess, Pacven Walden Inc. 401(k) PSB FBO Lip-Bu Tan; (ii) 166,386 shares held by Lip-Bu Tan and Ysa Loo Trust dated 2/3/1992; and (iii) 5,000 shares held by A&E Investment LLC, the sole member of which is the Lip-Bu Tan and Ysa Loo Trust dated 2/3/1992. James J. Cowie, Attorney-in-Fact for Lip-Bu Tan 2011-05-12