0001351520-14-000003.txt : 20140211 0001351520-14-000003.hdr.sgml : 20140211 20140211192922 ACCESSION NUMBER: 0001351520-14-000003 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20140210 FILED AS OF DATE: 20140211 DATE AS OF CHANGE: 20140211 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: SUPERTEX INC CENTRAL INDEX KEY: 0000730000 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 942328535 STATE OF INCORPORATION: CA FISCAL YEAR END: 1221 BUSINESS ADDRESS: STREET 1: 1235 BORDEAUX DR CITY: SUNNYVALE STATE: CA ZIP: 94089 BUSINESS PHONE: 4087440100 MAIL ADDRESS: STREET 1: 1235 BORDEAUX DR CITY: SUNNYVALE STATE: CA ZIP: 94089 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Tsang Michael CENTRAL INDEX KEY: 0001351520 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-12718 FILM NUMBER: 14596025 MAIL ADDRESS: STREET 1: 1235 BORDEAUX DR. CITY: SUNNYVALE STATE: CA ZIP: 94089 4 1 primary_doc.xml PRIMARY DOCUMENT X0306 4 2014-02-10 0 0000730000 SUPERTEX INC SUPX 0001351520 Tsang Michael 1235 BORDEAUX DR. SUNNYVALE CA 94089 0 1 0 0 VP, Operations & Product Eng Common Stock 2014-02-10 4 M 0 10500 20.85 A 10500 D Common Stock 2014-02-10 4 S 0 10500 33 D 0 D NQ Stock Option (to exercise common stock) 20.85 2014-02-10 4 M 0 10500 20.85 D 2012-12-01 2018-12-01 Common Stock 10500 36000 D Michael Tsang 2014-02-11