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Insider Trading: SINA CORP
Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of SINA CORP in the last 24 months are illustrated in figures 1 and 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 is $14,992,614.
The total value of stock exercises is $3,081,813.
1 year stock price chart,
1 day stock price chart
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Figure 1. Monthly insider transaction values at SINA CORP (SINA) in the past 24 months.
The trade values of insider stock buys, sales, and option exercises are in logarithmic scale
as shown on the right axis labels.
The detailed monthly and daily insider transactions are listed in the 2 tables below.
08 09 10 11 12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 -
Figure 2. Average prices of insider buys, sales, and option exercises at SINA CORP (SINA) in the past 24 months. See table 2 for insider transaction details.
08 09 10 11 12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 -
Table 1. Monthly summaries of insider stock purchases, sales, and option exercises
for SINA CORP (SINA).
Trading Period
year-month |
Insider Buying
Shares Value ($) |
Insider Sales
Shares Value ($) |
Option Exercises
Shares Value ($) |
| 2006-12 | 0 | 0 | 55,000 | 1,595,733 | 55,000 | 532,950 |
| 2006-11 | 0 | 0 | 130,000 | 3,758,749 | 130,000 | 221,216 |
| 2006-09 | 0 | 0 | 243,750 | 6,377,046 | 243,750 | 2,266,779 |
| 2006-06 | 0 | 0 | 28,734 | 712,603 | 28,734 | 60,868 |
| 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
for SINA CORP (SINA)
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 2006-12-08 | Lin Hurst (Director) | Sale | 55,000 | 29.01 | 1,595,733 |
| 2006-12-08 | Lin Hurst (Director) | Option Exercise | 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 Exercise | 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 Exercise | 87,484 | 1.62 | 141,286 |
| 2006-09-11 | Tsiang Benjamin S (Executive Vice President) | Sale | 62,500 | 26.40 | 1,650,024 |
| 2006-09-11 | Tsiang Benjamin S (Executive Vice President) | Option Exercise | 62,500 | 8.68 | 542,186 |
| 2006-09-08 | Lin Hurst (Director) | Sale | 100,000 | 26.01 | 2,601,340 |
| 2006-09-08 | Lin Hurst (Director) | Option Exercise | 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 Exercise | 28,734 | 2.12 | 60,868 |
| 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
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.
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