X0303 4 2010-03-31 0001350684 China Information Security Technology, Inc. CPBY 0001400909 HUANG ZHI XIONG 21F, EVERBRIGHT BANK BLDG. ZHUZILIN FUTIAN DISTRICT SHENZHEN, GUANGDONG F4 518040 CHINA 0 1 0 0 Chief Technology Officer Common Stock, par value $0.01 per share 2010-03-31 4 S 0 5000 5.00 D 25000 D Common Stock, par value $0.01 per share 2010-04-07 4 S 0 5000 6.60 D 20000 D Common Stock, par value $0.01 per share 2010-04-14 4 S 0 5000 6.58 D 15000 D Common Stock, par value $0.01 per share 2010-04-21 4 S 0 5000 6.73 D 10000 D A total of 20,000 shares were sold by Reporting Person on 3/31/2010, 4/7/2010, 4/14/2010 and on 4/21/2010 pursuant to the Reporting Person's Rule 10b5-1 Plan established on February 2, 2010 and administered by Brean Murray, Carret & Co. /s/ Zhi Xiong Huang 2010-04-27