0001195890-13-000003.txt : 20131108 0001195890-13-000003.hdr.sgml : 20131108 20131108184015 ACCESSION NUMBER: 0001195890-13-000003 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20131106 FILED AS OF DATE: 20131108 DATE AS OF CHANGE: 20131108 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: CHOY BENEDICT C K CENTRAL INDEX KEY: 0001195890 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-12718 FILM NUMBER: 131206070 4 1 primary_doc.xml PRIMARY DOCUMENT X0306 4 2013-11-06 0 0000730000 SUPERTEX INC supx 0001195890 CHOY BENEDICT C K 1 1 0 0 Sr. VP, Technology Development common stock 2013-11-06 4 S 0 17645 26.1464 D 64255 D common stock 2013-11-07 4 S 0 569 26.0201 D 63686 D Benedict C.K. Choy 2013-11-08