X0304 4 2011-09-01 0 0000730000 SUPERTEX INC supx 0001195897 LOVELESS W MARK 1235 BORDEAUX DR. SUNNYVALE CA 94089 1 0 0 0 NQ STOCK OPTIONS 19.51 2011-09-01 4 A 0 2000 19.51 A 2011-09-01 2021-09-01 COMMON STOCK 2000 22000 D NQ STOCK OPTIONS (TO EXERCISE COMMON STOCK) 19.51 2011-09-01 4 A 0 2000 19.51 A 2012-09-01 2021-09-01 COMMON STOCK 2000 24000 D NQ STOCK OPTIONS (TO EXERCISE COMMON STOCK) 19.51 2011-09-01 4 A 0 2000 19.51 A 2013-09-01 2021-09-01 COMMON STOCK 2000 26000 D NQ STOCK OPTIONS (TO EXERCISE COMMON STOCK) 19.51 2011-09-01 4 A 0 2000 19.51 A 2014-09-01 2021-09-01 COMMON STOCK 2000 28000 D NQ STOCK OPTIONS (TO EXERCISE COMMON STOCK) 19.51 2011-09-01 4 A 0 2000 19.51 A 2015-09-01 2021-09-01 COMMON STOCK 2000 30000 D NQ Option (to exercise common stock). Exercise Price: $35.86. Shares granted: 5,000. Shares Exercisable: 5,000. Expiration Date: 9/4/2017. Held Direct. NQ Option (to exercise common stock). Exercise Price: $29.70. Shares granted: 5,000. Shares Exercisable: 4,000. 1,000 shares exercisable on 9/2/2012. Expiration Date: 9/2/2018. Held Direct. NQ Option (to exercise common stock). Exercise Price: $25.84. Shares granted: 5,000. Shares Exercisable: 3,000. 1,000 shares exercisable on 9/1/2012. 1,000 shares exercisable on 9/1/2013. Expiration Date: 9/1/2019. Held Direct. NQ Option (to exercise common stock). Exercise Price: $22.01. Shares granted: 5,000. Shares Exercisable: 2,000. 1,000 shares exercisable on 9/1/2012. 1,000 shares exercisable on 9/1/2013. 1,000 shares exercisable on 9/1/2014. Expiration Date: 9/1/2020. Held Direct. NQ Option (to exercise common stock). Exercise Price: $19.51. Shares granted: 10,000. Shares Exercisable: 2,000. 2,000 shares exercisable on 9/1/2012. 2,000 shares exercisable on 9/1/2013. 2,000 shares exercisable on 9/1/2014. 2,000 shares exercisable on 9/1/2015. Expiration Date: 9/1/2021. Held Direct. W. Mark Loveless 2011-09-06