Insider Stock Trading History of Yao Zhengbin


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Yao Zhengbin since year 2005. The trader's CIK number is 1326228. At the time of this reporting, Yao Zhengbin is the Vice President of Re of Tanox Inc . (stock ticker symbol TNOX). See this page for all insider trading activities at Tanox Inc .


Stock purchases, sales, and option exercises reported by insider Yao Zhengbin since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2006-11-20 TNOX Tanox Inc Sale 18,000 19.63 353,340
2006-11-20 TNOX Tanox Inc Option Ex 18,000 8.96 161,370

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Yao Zhengbin (Vice President of Re of Tanox Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.