0001387467-15-000034.txt : 20150318 0001387467-15-000034.hdr.sgml : 20150318 20150318204055 ACCESSION NUMBER: 0001387467-15-000034 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150316 FILED AS OF DATE: 20150318 DATE AS OF CHANGE: 20150318 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ALPHA & OMEGA SEMICONDUCTOR Ltd CENTRAL INDEX KEY: 0001387467 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 000000000 BUSINESS ADDRESS: STREET 1: 475 OAKMEAD PARKWAY CITY: SUNNYVALE STATE: CA ZIP: 94085 BUSINESS PHONE: 408-830-9742 MAIL ADDRESS: STREET 1: 475 OAKMEAD PARKWAY CITY: SUNNYVALE STATE: CA ZIP: 94085 FORMER COMPANY: FORMER CONFORMED NAME: ALPHA & OMEGA SEMICONDUCTOR LTD DATE OF NAME CHANGE: 20070123 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Grizelj Tony CENTRAL INDEX KEY: 0001540972 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34717 FILM NUMBER: 15711473 MAIL ADDRESS: STREET 1: 475 OAKMEAD PARKWAY CITY: SUNNYVALE STATE: CA ZIP: 94085 4 1 wf-form4_142672564477158.xml FORM 4 X0306 4 2015-03-16 0 0001387467 ALPHA & OMEGA SEMICONDUCTOR Ltd AOSL 0001540972 Grizelj Tony 475 OAKMEAD PKWY SUNNYVALE CA 94085 0 1 0 0 VP of Power Discrete Product Common Shares 2015-03-16 4 F 0 413 8.90 D 8520 D Common Shares 2015-03-16 4 A 0 20000 0 A 28520 D Shares withheld to satisfy the Issuer's tax withholding obligation upon the annual vesting of restricted stock units (RSU) granted on March 17, 2014. Includes an aggregate of 5,320 shares subject to RSUs granted on April 26, 2012, February 14, 2013 and March 17, 2014, which will be issued as such units vest in accordance with their terms. The RSU's shall vest in equal annual installments over four (4) years from March 15, 2015, provided that the Reporting Person remains in the Issuer's service through each such vesting date. /s/ Yanbing Hong, attorney-in-fact for Tony Grizelj 2015-03-18