Insider Trading activities of Tanox Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Tanox Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Tanox Inc since year 2005. Table 2 shows the detailed insider transactions of Tanox Inc since 2005. The reporting company's ticker symbol is TNOX. The reporting company's CIK number is 1099414.
The total value of stock buying since 2005 is $0.
The total value of stock sales since 2005 is $8,674,238.
The total value of stock option exercises since 2005 is $4,238,380.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Tanox Inc (TNOX).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2006-12 0 $0 123,409 $2,444,994 123,409 $1,580,256
2006-11 0 $0 69,496 $1,308,330 59,496 $671,972
2006-09 0 $0 5,000 $73,055 0 $0
2006-08 0 $0 20,000 $283,685 0 $0
2006-07 0 $0 20,000 $279,634 0 $0
2006-06 0 $0 13,000 $181,280 0 $0
2006-05 0 $0 92,741 $1,317,560 263,855 $1,986,152
2005-11 0 $0 176,000 $2,785,700 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Tanox Inc insiders (TNOX)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2006-12-13 Kim Brian Byeoung (Vice President of Quality) Sale 26,247 19.82 520,215
2006-12-13 Kim Brian Byeoung (Vice President of Quality) Option Ex 26,247 14.10 370,082
2006-12-12 Chen Danong (President & CEO) Sale 37,541 19.81 743,687
2006-12-12 Chen Danong (President & CEO) Option Ex 37,541 12.60 472,828
2006-12-12 Santos Hugo (Vice President, Human Resource) Sale 41,621 19.81 824,512
2006-12-12 Santos Hugo (Vice President, Human Resource) Option Ex 41,621 14.23 592,266
2006-12-11 Guidroz Gregory (Vice President of Finance) Sale 18,000 19.81 356,580
2006-12-11 Guidroz Gregory (Vice President of Finance) Option Ex 18,000 8.06 145,080
2006-11-29 Hu Edward (Chief Operating Officer) Sale 9,526 19.64 187,090
2006-11-29 Hu Edward (Chief Operating Officer) Option Ex 9,526 11.65 110,977
2006-11-28 Hu Edward (Chief Operating Officer) Sale 31,970 19.64 627,890
2006-11-28 Hu Edward (Chief Operating Officer) Option Ex 31,970 12.50 399,625
2006-11-20 Yao Zhengbin (Vice President of Research) Sale 18,000 19.63 353,340
2006-11-20 Yao Zhengbin (Vice President of Research) Option Ex 18,000 8.96 161,370
2006-11-06 Chang Nancy T (Director) Sale 5,000 14.00 70,010
2006-11-02 Chang Nancy T (Director) Sale 5,000 14.00 70,000
2006-09-05 Chang Nancy T (Director) Sale 5,000 14.61 73,055
2006-08-28 Chang Nancy T (Director) Sale 5,000 14.00 70,015
2006-08-21 Chang Nancy T (Director) Sale 5,000 14.42 72,080
2006-08-14 Chang Nancy T (Director) Sale 5,000 14.22 71,120
2006-08-08 Chang Nancy T (Director) Sale 5,000 14.09 70,470
2006-07-31 Chang Nancy T (Director) Sale 5,000 14.19 70,930
2006-07-25 Chang Nancy T (Director) Sale 5,000 13.62 68,100
2006-07-10 Chang Nancy T (Director) Sale 5,000 14.12 70,575
2006-07-05 Chang Nancy T (Director) Sale 1,410 14.02 19,766
2006-07-03 Chang Nancy T (Director) Sale 3,590 14.00 50,263
2006-06-30 Chang Nancy T (Director) Sale 5,000 13.78 68,875
2006-06-23 Chang Nancy T (Director) Sale 2,000 13.24 26,490
2006-06-21 Chang Nancy T (Director) Sale 1,000 13.60 13,600
2006-06-05 Chang Nancy T (Director) Sale 5,000 14.46 72,315
2006-05-30 Chang Nancy T (Director) Sale 5,000 14.07 70,345
2006-05-26 Chang Nancy T (Director) Sale 5,000 13.96 69,780
2006-05-22 Jenkins William J (Director) Option Ex 3,055 9.87 30,152
2006-05-09 Chang Nancy T (Director) Option Ex 260,800 7.50 1,956,000
2006-05-08 Chang Nancy T (Director) Sale 5,000 14.26 71,300
2006-05-05 Chang Nancy T (Director) Sale 74,686 14.30 1,067,636
2006-05-05 Jenkins William J (Director) Sale 3,055 12.60 38,499
2005-11-22 Chang Tse Wen (Director) Sale 60,000 16.14 968,100
2005-11-18 Chang Tse Wen (Director) Sale 60,000 15.62 937,200
2005-11-15 Chang Tse Wen (Director) Sale 2,000 15.60 31,200
2005-11-11 Chang Tse Wen (Director) Sale 26,000 15.70 408,200
2005-11-08 Chang Tse Wen (Director) Sale 28,000 15.75 441,000

Insider trading activities including stock purchases, stock sales, and option exercises of TNOX listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Tanox Inc (symbol TNOX, CIK number 1099414) see the Securities and Exchange Commission (SEC) website.