0001195890-12-000006.txt : 20120619
0001195890-12-000006.hdr.sgml : 20120619
20120619200353
ACCESSION NUMBER: 0001195890-12-000006
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20120608
FILED AS OF DATE: 20120619
DATE AS OF CHANGE: 20120619
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: 12916259
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
4
1
primary_doc.xml
PRIMARY DOCUMENT
X0305
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2012-06-08
0
0000730000
SUPERTEX INC
supx
0001195890
CHOY BENEDICT C K
1
1
0
0
Sr. VP, Tech Development
common stock
2012-06-08
4
S
0
1000
18.8
D
147610
D
common stock
2012-06-11
4
S
0
100
18.571
D
147510
D
common stock
2012-06-13
4
S
0
5
18.04
D
147505
D
common stock
2012-06-14
4
S
0
3895
18.0106
A
143610
D
Benedict C.K. Choy
2012-06-19