Tsang Michael

CIK 00013515201 companySUNNYVALE, CA

SEC Profile

Transactions

Companies

Filings

CIK

0001351520

Recent Transactions

41 trades

Exercise/Conversion
SUPERTEX INC
Common Stock
2014-02-10$20.85/sh+10,500→ 10,500 total
Exercise/Conversion
SUPERTEX INC
NQ Stock Option (to exercise common stock)
2014-02-10$20.85/sh−10,500→ 36,000 total
Sale
SUPERTEX INC
Common Stock
2014-02-10$33.00/sh−10,500→ 0 total
Exercise/Conversion
SUPERTEX INC
NQ Stock options (to exercise common stock)
2014-01-30$20.85/sh+3,500→ 46,500 total
Sale
SUPERTEX INC
Common Stock
2014-01-30$27.00/sh−3,500→ 0 total
Exercise/Conversion
SUPERTEX INC
Common Stock
2014-01-30$20.85/sh+3,500→ 3,500 total
Exercise/Conversion
SUPERTEX INC
NQ Stock Options (to exercise common stock)
2014-01-30$20.85/sh+3,500→ 22,500 total
Award
SUPERTEX INC
Non-Statutory Stock Option
2013-09-03+10,000→ 10,000 total
Exercise/Conversion
SUPERTEX INC
Common stock
2013-07-30$20.85/sh+7,000→ 7,000 total
Sale
SUPERTEX INC
common stock
2013-07-30$27.00/sh−7,000→ 0 total
Exercise/Conversion
SUPERTEX INC
NQ stock options (to exericse common stock)
2013-07-30$20.85/sh−7,000→ 40,000 total
Exercise/Conversion
SUPERTEX INC
Common stock
2013-07-29$20.85/sh+7,000→ 7,000 total
Exercise/Conversion
SUPERTEX INC
NQ stock options (to exercise common stock)
2013-07-29$20.85/sh−7,000→ 47,000 total
Sale
SUPERTEX INC
Common stock
2013-07-29$26.50/sh−7,000→ 0 total
Exercise/Conversion
SUPERTEX INC
common stock
2012-01-27$17.39/sh+5,000→ 5,000 total
Exercise/Conversion
SUPERTEX INC
ISO stock option (to exercise common stock)
2012-01-27$17.39/sh−1,000→ 71,000 total
Exercise/Conversion
SUPERTEX INC
ISO stock option (to exercise common stock)
2012-01-27$17.39/sh−1,000→ 70,000 total
Exercise/Conversion
SUPERTEX INC
ISO stock option (to exercise common stock)
2012-01-27$17.39/sh−1,000→ 69,000 total
Sale
SUPERTEX INC
common stock
2012-01-27$19.00/sh−5,000→ 0 total
Exercise/Conversion
SUPERTEX INC
ISO stock option (to exercise common stock)
2012-01-27$17.39/sh−1,000→ 72,000 total
Exercise/Conversion
SUPERTEX INC
ISO stock option (to exercise common stock)
2012-01-27$17.39/sh−1,000→ 73,000 total
Award
SUPERTEX INC
NQ STOCK OPTIONS (TO EXERCISE COMMON STOCK)
2011-09-01$19.51/sh+7,000→ 74,000 total
Award
SUPERTEX INC
NQ STOCK OPTIONS (TO EXERCISE COMMON STOCK)
2011-09-01$19.51/sh+7,000→ 67,000 total
Exercise/Conversion
SUPERTEX INC
ISO Stock Options (to exercise common stock)
2010-07-29$17.34/sh−2,000→ 62,000 total
Exercise/Conversion
SUPERTEX INC
ISO Stock Options (to exercise common stock)
2010-07-29$15.67/sh−2,000→ 60,000 total
Exercise/Conversion
SUPERTEX INC
common stock
2010-07-29$17.34/sh+2,000→ 2,000 total
Sale
SUPERTEX INC
common stock
2010-07-29$25.25/sh−2,000→ 0 total
Exercise/Conversion
SUPERTEX INC
Common Stock
2010-07-29$15.67/sh+2,000→ 2,000 total
Sale
SUPERTEX INC
Common Stock
2010-07-29$26.00/sh−2,000→ 0 total
Exercise/Conversion
SUPERTEX INC
common stock
2009-05-26$11.30/sh+1,500→ 1,500 total
Sale
SUPERTEX INC
common stock
2009-05-26$24.27/sh−600→ 500 total
Sale
SUPERTEX INC
common stock
2009-05-26$24.26/sh−100→ 400 total
Sale
SUPERTEX INC
common stock
2009-05-26$24.33/sh−100→ 200 total
Sale
SUPERTEX INC
common stock
2009-05-26$24.42/sh−400→ 1,100 total
Sale
SUPERTEX INC
common stock
2009-05-26$24.42/sh−100→ 300 total
Sale
SUPERTEX INC
common stock
2009-05-26$24.40/sh−200→ 0 total
Exercise/Conversion
SUPERTEX INC
ISO stock options (to exercise common stock)
2009-05-26$11.30/sh−1,500→ 64,000 total
Exercise/Conversion
SUPERTEX INC
ISO stock option (to exercise common stock)
2007-06-04$17.34/sh−1,000→ 26,500 total
Sale
SUPERTEX INC
common stock
2007-06-04$33.93/sh−1,000→ 1,000 total
Exercise/Conversion
SUPERTEX INC
common stock
2007-06-04$17.34/sh+1,000→ 1,000 total
Other
SUPERTEX INC
Common Stock
2006-05-01$31.14/sh+272→ 272 total

Companies

SUPERTEX INC
VP, Standard Products

Recent Filings

Address

1235 BORDEAUX DR.

SUNNYVALE, CA, 94089

View on SEC.gov