0001520649-12-000020.txt : 20120315 0001520649-12-000020.hdr.sgml : 20120315 20120315171306 ACCESSION NUMBER: 0001520649-12-000020 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120313 FILED AS OF DATE: 20120315 DATE AS OF CHANGE: 20120315 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: 12694900 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 X0304 4 2012-03-13 0 0001038074 SILICON LABORATORIES INC SLAB 0001197843 IVESTER JONATHAN D 400 W CESAR CHAVEZ AUSTIN TX 78701 0 1 0 0 Sr VP of Worldwide Operations Common Stock, $0.0001 par value 2012-03-13 4 S 0 5000 42.03 D 90488 D Common Stock, $0.0001 par value 2012-03-13 4 S 0 900 42.03 D 3050 I S. Ivester Heritage Trust Common Stock, $0.0001 par value 2012-03-13 4 S 0 900 42.03 D 3050 I E. Ivester Heritage Trust Common Stock, $0.0001 par value 2012-03-13 4 S 0 900 42.03 D 3050 I B. Ivester Heritage Trust Shares sold pursuant to Reporting Person's 10b5-1 Trading Plan. These shares are held in a trust for the benefit of Reporting Person's child. Reporting Person is co-trustee of the trust. Saie-Yau Hui for Jonathan D. Ivester 2012-03-15