0001520649-11-000025.txt : 20111114 0001520649-11-000025.hdr.sgml : 20111111 20111114164804 ACCESSION NUMBER: 0001520649-11-000025 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20111110 FILED AS OF DATE: 20111114 DATE AS OF CHANGE: 20111114 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: 111203624 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 X0304 4 2011-11-10 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 2011-11-10 4 M 0 3000 26.19 A 8359 D Common Stock, $0.0001 par value 2011-11-10 4 S 0 3000 42.15 D 5359 D Common Stock, $0.0001 par value 2922 I L.G. Walker 2001 Revocable Trust Non-Qualified Stock Option (right to buy) 26.19 2011-11-10 4 M 0 3000 D 2003-06-12 2013-06-12 Common Stock, $0.0001 par value 3000 27000 D 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 2011-11-14