0001418215-11-000021.txt : 20110405 0001418215-11-000021.hdr.sgml : 20110405 20110405172843 ACCESSION NUMBER: 0001418215-11-000021 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110401 FILED AS OF DATE: 20110405 DATE AS OF CHANGE: 20110405 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hoff Kurt W CENTRAL INDEX KEY: 0001404942 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-29823 FILM NUMBER: 11741174 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 2011-04-01 0 0001038074 SILICON LABORATORIES INC SLAB 0001404942 Hoff Kurt W 400 W CESAR CHAVEZ AUSTIN TX 78701 0 1 0 0 VP of Worldwide Sales Common Stock, $0.0001 par value 2011-04-01 4 S 0 2000 43.1553 D 49254 D Shares sold pursuant to Reporting Person's 10b5-1 Trading Plan. Price represents the weighted average selling price. Prices range between $42.93 and $43.47. Bruce A. Maurer for Kurt W. Hoff 2011-04-05