0001520649-12-000009.txt : 20120217 0001520649-12-000009.hdr.sgml : 20120217 20120217170014 ACCESSION NUMBER: 0001520649-12-000009 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120207 FILED AS OF DATE: 20120217 DATE AS OF CHANGE: 20120217 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: 12623401 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 2012-02-07 0 0001038074 SILICON LABORATORIES INC SLAB 0001197843 IVESTER JONATHAN D 400 W CESAR CHAVEZ AUSTIN TX 78701 0 1 0 0 Sr VP or Worldwide Operations Common Stock, $0.0001 par value 2012-02-07 4 G 0 516 D 94317 D Common Stock, $0.0001 par value 2012-02-15 4 F 0 4216 45.05 D 90101 D Common Stock, $0.0001 par value 2012-02-15 4 M 0 5000 33.17 A 95101 D Common Stock, $0.0001 par value 2012-02-15 4 S 0 5000 45.13 D 90101 D Common Stock, $0.0001 par value 3950 I S. Ivester Heritage Trust Common Stock, $0.0001 par value 3950 I E. Ivester Heritage Trust Common Stock, $0.0001 par value 3950 I B. Ivester Heritage Trust Non-Qualified Stock Option (right to buy) 33.17 2012-02-15 4 M 0 5000 D 2005-08-10 2014-08-10 Common Stock, $0.0001 par value 5000 16171 D Gratuitous transfer for which no consideration was received. 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. Option vests and becomes exercisable with respect to (i) twenty percent (20%) of the option shares upon the date exercisable and (ii) the balance of the option shares in a series of forty-eight (48) successively monthly installments over the forty-eight (48) month period measured from the date exercisable. Not applicable per instruction 4(c)(iii). Jonathan D. Ivester 2012-02-16