0001520649-12-000019.txt : 20120305 0001520649-12-000019.hdr.sgml : 20120305 20120305163759 ACCESSION NUMBER: 0001520649-12-000019 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120302 FILED AS OF DATE: 20120305 DATE AS OF CHANGE: 20120305 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WOOD WILLIAM P CENTRAL INDEX KEY: 0001250012 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-29823 FILM NUMBER: 12667073 MAIL ADDRESS: STREET 1: 1000 RIO GRANDE 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 2012-03-02 0 0001038074 SILICON LABORATORIES INC SLAB 0001250012 WOOD WILLIAM P 1000 RIO GRANDE AUSTIN TX 78701 1 0 0 0 Common Stock, $0.0001 par value 2012-03-02 4 M 0 5000 30.15 A 26845 D Common Stock, $0.0001 par value 2012-03-02 4 M 0 5000 24.3 A 31845 D Non-Qualified Stock Option (right to buy) 30.15 2012-03-02 4 M 0 5000 D 2002-04-24 2012-04-24 Common Stock, $0.0001 par value 5000 0 D Non-Qualified Stock Option (right to buy) 24.3 2012-03-02 4 M 0 5000 D 2002-06-13 2012-06-13 Common Stock, $0.0001 par value 5000 0 D Option is immediately exercisable, but the shares vest upon the Optionee's completion of one year of board service measured from the grant date. Not applicable per instruction 4(c)(iii). On August 23, 2011, Reporting Person ceased to be a general partner of Silverton Partners, LP. Therefore, Reporting Person is no longer deemed a beneficial owner of the shares held by Silverton Partners, LP. Paul V. Walsh for William P. Wood 2012-03-05