-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, IKClA1oanJWrNmKcbM3aIPTo7yRJYpUzDG9Myq4WagrF/5J7meD/C9YmWgSlIuGz p+J9v6N3u39bdFgC67lfyA== 0001418215-10-000038.txt : 20100513 0001418215-10-000038.hdr.sgml : 20100513 20100513182326 ACCESSION NUMBER: 0001418215-10-000038 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20100511 FILED AS OF DATE: 20100513 DATE AS OF CHANGE: 20100513 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: IVESTER JONATHAN D CENTRAL INDEX KEY: 0001197843 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-29823 FILM NUMBER: 10830041 MAIL ADDRESS: STREET 1: 400 W CESAR CHAVEZ CITY: AUSTIN STATE: TX ZIP: 78701 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: SILICON LABORATORIES INC CENTRAL INDEX KEY: 0001038074 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 742793174 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 400 W CESAR CHAVEZ CITY: AUSTIN STATE: TX ZIP: 78701 BUSINESS PHONE: 5124168500 MAIL ADDRESS: STREET 1: 400 W CESAR CHAVEZ CITY: AUSTIN STATE: TX ZIP: 78701 4 1 primary_doc.xml PRIMARY DOCUMENT X0303 4 2010-05-11 0 0001038074 SILICON LABORATORIES INC SLAB 0001197843 IVESTER JONATHAN D 400 W CESAR CHAVEZ AUSTIN TX 78701 0 1 0 0 VP of Worldwide Operations Common Stock, $0.0001 par value 2010-05-11 4 S 0 6000 47.31 D 130272 D Common Stock, $0.0001 par value 2010-05-11 4 S 0 900 47.31 D 8850 I E Ivester Heritage Trust Common Stock, $0.0001 par value 2010-05-11 4 S 0 900 47.31 D 8850 I S Ivester Heritage Trust Common Stock, $0.0001 par value 2010-05-11 4 S 0 900 47.31 D 8850 I E Ivester Heritage Trust Common Stock, $0.0001 par value 2010-05-11 4 S 0 900 47.31 D 8850 I B Ivester Heritage Trust Shares sold pursuant to Reporting Person's 10b5-1 Trading Plan. Includes shares purchased by Reporting Person on April 30, 2010 through the Issuer's Employee Stock Purchase Plan. These shares are held in a trust for the benefit of Reporting Person's child. These shares are held in a trust for the benefit of Reporting Person's child. Reporting Person is co-trustee of the trust. Jonathan D. Ivester 2010-05-13 -----END PRIVACY-ENHANCED MESSAGE-----