144 1 benchoy.htm FORM 144 BEN CHOY Form 144 Ben Choy
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 144
NOTICE OF PROPOSED SALE OF SECURITIES
PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933

ATTENTION:
Transmit for filing 3 copies of this form concurrently with either placing an order with a broker to execute sale or executing a sale directly with a market maker
 
1 (a) NAME OF ISSUER (Please type or print)
(b) IRS ID No.
(c) SEC File No.
 
Supertex Inc.    
94-232-8535
000-12718
 
1 (d) ADDRESS of ISSUER
 
 
(e) TELEPHONE
Street
 
City
 
State Zip Code
 
Area Code   Numbers
1235 Bordeaux Drive
Sunnyvale
CA 94089
 
408-222-8888
2 (a) NAME OF PERSON FOR WHOSE ACCOUNT THE SECURITEIS ARE TO BE SOLD
(b) IRS ID No.
(c) RELATIONSHIP TO ISSUER
(d) ADDRESS
Street, City, State, Zip Code
Benedict C. K. Choy    
###-##-####
Officer
 
12218 Farr Ranch Rd., Saratoga,
CA 95070
 
INSTRUCTION: The person filing this notice should contact the issuer to obtain the I.R.S. identification Number and the S.E.C. File Number
 
 
3 (a)
Title of the Class of Securities to be Sold
(b)
Name and Address of Each Broker Through whom the Securities are to be Offered or Each Market Maker who is Acquiring the Securities
SEC USE ONLY
Broker-Dealer File Number
(c)
Number of Shares or Other Units to be Sold
(d)
Aggregate Market Value
(e)
Number of Shares or Other Units Outstanding
(f)
Approximate Date of Sale
(MM/DD/YY)
(g)
Name of Each Securities Exchange
Common
Morgan Stanley
 
4,000
$66,200
12,928,050
08/23/04
NASD
 

 
TABLE I — SECURITIES TO BE SOLD
Furnish the following information with respect to the acquisition of the securities to be sold
and with respect to the payment of all or any part of the purchase price or other consideration therefore:
 
Title of the Class
Date you Acquired
Nature of Acquisition Transaction
Name of Person from Whom Acquired
(if gift, also give date
donor acquired)
Amount of Securities Acquired
Date of Payment
Nature of Payment
Common
02/09/04
Exercise of stock options
Supertex Inc.
4,000
02/09/04
Check
 

 
 
TABLE II — SECURITIES SOLD DURING THE PAST 3 MONTHS
Furnish the following information as to all securities of the issuer sold
during the past 3 months by the person for whose account the securities are to be sold.

Name and Address of Seller
Title of Securities Sold
Date of Sale
Amount of Securities Sold
Gross Proceeds
 
 
 
 
 
 
 
REMARKS:
August 20, 2004
 
/s/  Benedict C. K. Choy
DATE of NOTICE
 
SIGNED