0001520649-12-000055.txt : 20121025 0001520649-12-000055.hdr.sgml : 20121025 20121025172141 ACCESSION NUMBER: 0001520649-12-000055 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20121024 FILED AS OF DATE: 20121025 DATE AS OF CHANGE: 20121025 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WALKER LAURENCE G CENTRAL INDEX KEY: 0001255711 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-29823 FILM NUMBER: 121162325 MAIL ADDRESS: STREET 1: 22 NORMANDIE RD CITY: DOVER STATE: PA ZIP: 02030 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 2012-10-24 0 0001038074 SILICON LABORATORIES INC SLAB 0001255711 WALKER LAURENCE G 22 NORMANDIE RD DOVER PA 02030 1 0 0 0 Common Stock, $0.0001 par value 2012-10-24 4 M 0 2000 26.19 A 5625 D Common Stock, $0.0001 par value 2012-10-24 4 S 0 2000 41 D 3625 D Common Stock, $0.0001 par value 8253 I L.G. Walker 2001 Revocable Trust Non-Qualified Stock Option (right to buy) 26.19 2012-10-24 4 M 0 2000 D 2003-06-12 2013-06-12 Common Stock, $0.0001 par value 2000 13250 D 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 trustee of the trust. Option is immediately exercisable, but the shares vest in a series of four (4) equal annual installments measured from the date exercisable. Not applicable per instruction 4(c)(iii). Saie-Yau Hui for Laurence G. Walker 2012-10-25