Tsang Michael (0001351520)

Mailing Address 1235 BORDEAUX DR. SUNNYVALE CA 94089 Ownership Reports for Issuers: (Click on issuer name to see other owners for the issuer, or CIK for issuer filings.) Issuer Filings Transaction Date Type of Owner SUPERTEX INC 0000730000 2014-04-01 officer: VP, Ops & Product Engineering

Items 1 - 80

The information presented below contains only portions of the information presented in the referenced filing or filings.
You should consult the original filing for complete information. Hyperlinks to the forms are provided for your convenience.

Acquistion or Disposition	Transaction Date	Deemed Execution Date	Issuer	Form	Transaction Type	Direct or Indirect Ownership	Number of Securities Transacted	Number of Securities Owned	Line Number	Issuer CIK	Security Name
D	2014-04-01		SUPERTEX INC	4	D-Return	--D	10000.0000	0.0000	4	0000730000	Stock Option (right to buy)
D	2014-04-01		SUPERTEX INC	4	D-Return	--D	14000.0000	0.0000	3	0000730000	Stock Option (right to buy)
D	2014-04-01		SUPERTEX INC	4	D-Return	--D	7000.0000	0.0000	2	0000730000	Stock Option (right to buy)
D	2014-04-01		SUPERTEX INC	4	D-Return	--D	5000.0000	0.0000	1	0000730000	Stock Option (right to buy)
D	2014-02-10		SUPERTEX INC	4	M-Exempt	--D	10500.0000	36000.0000	3	0000730000	NQ Stock Option (to exercise common stock)
D	2014-02-10		SUPERTEX INC	4	S-Sale	--D	10500.0000	0.0000	2	0000730000	Common Stock
A	2014-02-10		SUPERTEX INC	4	M-Exempt	--D	10500.0000	10500.0000	1	0000730000	Common Stock
A	2014-01-30		SUPERTEX INC	4	M-Exempt	--D	3500.0000	3500.0000	1	0000730000	Common Stock
D	2014-01-30		SUPERTEX INC	4	S-Sale	--D	3500.0000	0.0000	2	0000730000	Common Stock
A	2014-01-30		SUPERTEX INC	4	M-Exempt	--D	3500.0000	22500.0000	3	0000730000	NQ Stock Options (to exercise common stock)
A	2014-01-30		SUPERTEX INC	4/A	M-Exempt	--D	3500.0000	46500.0000	1	0000730000	NQ Stock options (to exercise common stock)
A	2013-09-03		SUPERTEX INC	4	A-Award	--D	10000.0000	10000.0000	1	0000730000	Non-Statutory Stock Option
D	2013-07-30		SUPERTEX INC	4	M-Exempt	--D	7000.0000	40000.0000	6	0000730000	NQ stock options (to exericse common stock)
D	2013-07-30		SUPERTEX INC	4	S-Sale	--D	7000.0000	0.0000	4	0000730000	common stock
A	2013-07-30		SUPERTEX INC	4	M-Exempt	--D	7000.0000	7000.0000	3	0000730000	Common stock
D	2013-07-29		SUPERTEX INC	4	M-Exempt	--D	7000.0000	47000.0000	5	0000730000	NQ stock options (to exercise common stock)
D	2013-07-29		SUPERTEX INC	4	S-Sale	--D	7000.0000	0.0000	2	0000730000	Common stock
A	2013-07-29		SUPERTEX INC	4	M-Exempt	--D	7000.0000	7000.0000	1	0000730000	Common stock
D	2012-01-27		SUPERTEX INC	4	M-Exempt	--D	1000.0000	72000.0000	4	0000730000	ISO stock option (to exercise common stock)
A	2012-01-27		SUPERTEX INC	4	M-Exempt	--D	5000.0000	5000.0000	1	0000730000	common stock
D	2012-01-27		SUPERTEX INC	4	S-Sale	--D	5000.0000	0.0000	2	0000730000	common stock
D	2012-01-27		SUPERTEX INC	4	M-Exempt	--D	1000.0000	73000.0000	3	0000730000	ISO stock option (to exercise common stock)
D	2012-01-27		SUPERTEX INC	4	M-Exempt	--D	1000.0000	71000.0000	5	0000730000	ISO stock option (to exercise common stock)
D	2012-01-27		SUPERTEX INC	4	M-Exempt	--D	1000.0000	70000.0000	6	0000730000	ISO stock option (to exercise common stock)
D	2012-01-27		SUPERTEX INC	4	M-Exempt	--D	1000.0000	69000.0000	7	0000730000	ISO stock option (to exercise common stock)
A	2011-09-01		SUPERTEX INC	4	A-Award	--D	7000.0000	74000.0000	2	0000730000	NQ STOCK OPTIONS (TO EXERCISE COMMON STOCK)
A	2011-09-01		SUPERTEX INC	4	A-Award	--D	7000.0000	67000.0000	1	0000730000	NQ STOCK OPTIONS (TO EXERCISE COMMON STOCK)
A	2010-07-29		SUPERTEX INC	4	M-Exempt	--D	2000.0000	2000.0000	1	0000730000	common stock
D	2010-07-29		SUPERTEX INC	4	S-Sale	--D	2000.0000	0.0000	2	0000730000	common stock
A	2010-07-29		SUPERTEX INC	4	M-Exempt	--D	2000.0000	2000.0000	3	0000730000	Common Stock
D	2010-07-29		SUPERTEX INC	4	S-Sale	--D	2000.0000	0.0000	4	0000730000	Common Stock
D	2010-07-29		SUPERTEX INC	4	M-Exempt	--D	2000.0000	62000.0000	5	0000730000	ISO Stock Options (to exercise common stock)
D	2010-07-29		SUPERTEX INC	4	M-Exempt	--D	2000.0000	60000.0000	6	0000730000	ISO Stock Options (to exercise common stock)
D	2009-05-26		SUPERTEX INC	4	M-Exempt	--D	1500.0000	64000.0000	8	0000730000	ISO stock options (to exercise common stock)
D	2009-05-26		SUPERTEX INC	4	S-Sale	--D	200.0000	0.0000	7	0000730000	common stock
D	2009-05-26		SUPERTEX INC	4	S-Sale	--D	100.0000	200.0000	6	0000730000	common stock
D	2009-05-26		SUPERTEX INC	4	S-Sale	--D	100.0000	300.0000	5	0000730000	common stock
D	2009-05-26		SUPERTEX INC	4	S-Sale	--D	100.0000	400.0000	4	0000730000	common stock
D	2009-05-26		SUPERTEX INC	4	S-Sale	--D	600.0000	500.0000	3	0000730000	common stock
D	2009-05-26		SUPERTEX INC	4	S-Sale	--D	400.0000	1100.0000	2	0000730000	common stock
A	2009-05-26		SUPERTEX INC	4	M-Exempt	--D	1500.0000	1500.0000	1	0000730000	common stock
A	2008-12-01		SUPERTEX INC	4	A-Award	--D	35000.0000	65500.0000	1	0000730000	NQ stock option (to exercise common stock
A	2007-12-03		SUPERTEX INC	4	A-Award	--D	5000.0000	30500.0000	1	0000730000	NQ stock option (to exercise common stock)
D	2007-06-04		SUPERTEX INC	4	M-Exempt	--D	1000.0000	26500.0000	5	0000730000	ISO stock option (to exercise common stock)
D	2007-06-04		SUPERTEX INC	4	M-Exempt	--D	1000.0000	25500.0000	6	0000730000	ISO stock option (to exercise common stock)
D	2007-06-04		SUPERTEX INC	4	S-Sale	--D	1000.0000	0.0000	4	0000730000	common stock
D	2007-06-04		SUPERTEX INC	4	S-Sale	--D	1000.0000	1000.0000	3	0000730000	common stock
A	2007-06-04		SUPERTEX INC	4	M-Exempt	--D	1000.0000	2000.0000	2	0000730000	common stock
A	2007-06-04		SUPERTEX INC	4	M-Exempt	--D	1000.0000	1000.0000	1	0000730000	common stock
D	2006-12-07		SUPERTEX INC	4	M-Exempt	--D	1000.0000	27500.0000	4	0000730000	ISO Option (to exercise common stock)
D	2006-12-07		SUPERTEX INC	4	S-Sale	--D	100.0000	0.0000	3	0000730000	Common Stock
D	2006-12-07		SUPERTEX INC	4	S-Sale	--D	900.0000	100.0000	2	0000730000	Common Stock
A	2006-12-07		SUPERTEX INC	4	M-Exempt	--D	1000.0000	1000.0000	1	0000730000	Common Stock
A	2006-11-20		SUPERTEX INC	4	M-Exempt	--D	1000.0000	1000.0000	1	0000730000	common stock
D	2006-11-20		SUPERTEX INC	4	S-Sale	--D	100.0000	900.0000	2	0000730000	common stock
D	2006-11-20		SUPERTEX INC	4	S-Sale	--D	256.0000	644.0000	3	0000730000	common stock
D	2006-11-20		SUPERTEX INC	4	S-Sale	--D	444.0000	0.0000	5	0000730000	common stock
D	2006-11-20		SUPERTEX INC	4	M-Exempt	--D	1000.0000	30500.0000	6	0000730000	ISO Option (to exercise common stock)
D	2006-11-20		SUPERTEX INC	4	S-Sale	--D	200.0000	444.0000	4	0000730000	common stock
A	2006-11-15		SUPERTEX INC	4	M-Exempt	--D	2000.0000	2000.0000	1	0000730000	common stock
D	2006-11-15		SUPERTEX INC	4	S-Sale	--D	100.0000	1900.0000	2	0000730000	common stock
D	2006-11-15		SUPERTEX INC	4	S-Sale	--D	226.0000	1674.0000	3	0000730000	common stock
D	2006-11-15		SUPERTEX INC	4	S-Sale	--D	100.0000	1574.0000	4	0000730000	common stock
D	2006-11-15		SUPERTEX INC	4	S-Sale	--D	1574.0000	0.0000	5	0000730000	common stock
D	2006-11-15		SUPERTEX INC	4	A-Award	--D	2000.0000	29500.0000	6	0000730000	ISO Option (to excercise common stock)
D	2006-10-31		SUPERTEX INC	4	A-Award	--D	500.0000	33500.0000	15	0000730000	ISO Option (to exercise common stock)
A	2006-10-31		SUPERTEX INC	4	M-Exempt	--D	500.0000	772.0000	1	0000730000	common stock
A	2006-10-31		SUPERTEX INC	4	M-Exempt	--D	2000.0000	2772.0000	2	0000730000	common stock
D	2006-10-31		SUPERTEX INC	4	S-Sale	--D	500.0000	2272.0000	3	0000730000	common stock
D	2006-10-31		SUPERTEX INC	4	S-Sale	--D	200.0000	2072.0000	4	0000730000	common stock
D	2006-10-31		SUPERTEX INC	4	S-Sale	--D	200.0000	1872.0000	5	0000730000	common stock
D	2006-10-31		SUPERTEX INC	4	S-Sale	--D	300.0000	1572.0000	6	0000730000	common stock
D	2006-10-31		SUPERTEX INC	4	S-Sale	--D	200.0000	1372.0000	7	0000730000	common stock
D	2006-10-31		SUPERTEX INC	4	S-Sale	--D	200.0000	1172.0000	8	0000730000	common stock
D	2006-10-31		SUPERTEX INC	4	S-Sale	--D	400.0000	772.0000	9	0000730000	common stock
D	2006-10-31		SUPERTEX INC	4	S-Sale	--D	100.0000	672.0000	10	0000730000	common stock
D	2006-10-31		SUPERTEX INC	4	S-Sale	--D	100.0000	572.0000	11	0000730000	common stock
D	2006-10-31		SUPERTEX INC	4	S-Sale	--D	300.0000	272.0000	12	0000730000	common stock
D	2006-10-31		SUPERTEX INC	4	S-Sale	--D	200.0000	72.0000	13	0000730000	common stock
D	2006-10-31		SUPERTEX INC	4	S-Sale	--D	72.0000	0.0000	14	0000730000	common stock

http://www.sec.gov/cgi-bin/own-disp

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