Insider Trading activities of Sina Corp insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Sina Corp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Sina Corp since year 2005. Table 2 shows the detailed insider transactions of Sina Corp since 2005. The reporting company's ticker symbol is SINA. The reporting company's CIK number is 1094005.
The total value of stock buying since 2005 is $0.
The total value of stock sales since 2005 is $14,992,500.
The total value of stock option exercises since 2005 is $3,081,803.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Sina Corp (SINA).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2006-12 0 $0 55,000 $1,595,715 55,000 $532,950
2006-11 0 $0 130,000 $3,758,749 130,000 $221,216
2006-09 0 $0 243,750 $6,376,950 243,750 $2,266,779
2006-06 0 $0 28,734 $712,603 28,734 $60,858
2006-05 0 $0 100,000 $2,487,000 0 $0
2005-12 0 $0 647 $16,757 0 $0
2005-11 0 $0 1,800 $44,726 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Sina Corp insiders (SINA)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2006-12-08 Lin Hurst (Director) Sale 55,000 29.01 1,595,715
2006-12-08 Lin Hurst (Director) Option Ex 55,000 9.69 532,950
2006-11-16 Wang Yan (Director) Sale 42,516 28.90 1,228,712
2006-11-16 Wang Yan (Director) Option Ex 42,516 1.88 79,930
2006-11-15 Wang Yan (Director) Sale 87,484 28.92 2,530,037
2006-11-15 Wang Yan (Director) Option Ex 87,484 1.62 141,286
2006-09-11 Tsiang Benjamin S (Executive Vice President) Sale 62,500 26.40 1,650,000
2006-09-11 Tsiang Benjamin S (Executive Vice President) Option Ex 62,500 8.68 542,186
2006-09-08 Lin Hurst (Director) Sale 100,000 26.01 2,601,300
2006-09-08 Lin Hurst (Director) Option Ex 100,000 9.69 969,000
2006-06-08 Lin Hurst (Director) Sale 28,734 24.80 712,603
2006-06-08 Lin Hurst (Director) Option Ex 28,734 2.12 60,858
2006-05-31 Tsiang Benjamin S (EVP of Product Development) Sale 100,000 24.87 2,487,000
2005-12-06 Tan Lip Bu (Director) Sale 647 25.90 16,757
2005-11-14 Tan Lip Bu (Director) Sale 1,800 24.85 44,726

Insider trading activities including stock purchases, stock sales, and option exercises of SINA listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Sina Corp (symbol SINA, CIK number 1094005) see the Securities and Exchange Commission (SEC) website.