0001418215-12-000001.txt : 20120913 0001418215-12-000001.hdr.sgml : 20120913 20120913085742 ACCESSION NUMBER: 0001418215-12-000001 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120911 FILED AS OF DATE: 20120913 DATE AS OF CHANGE: 20120913 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Downing Mark A CENTRAL INDEX KEY: 0001548575 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-29823 FILM NUMBER: 121089129 MAIL ADDRESS: STREET 1: 400 WEST 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 X0306 4 2012-09-11 0 0001038074 SILICON LABORATORIES INC SLAB 0001548575 Downing Mark A 400 WEST CESAR CHAVEZ AUSTIN TX 78701 0 1 0 0 Sr Vice President, Broad Based Common Stock, $0.0001 par value 2012-09-11 4 S 0 618 38.11 D 24102 D Shares sold pursuant to Reporting Person's 10b5-1 Trading Plan. Mark A. Downing 2012-09-11