Insider Trading activities of Yongye Biotechnology International, Inc. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Yongye Biotechnology International, Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Yongye Biotechnology International, Inc. since year 2005. Table 2 shows the detailed insider transactions of Yongye Biotechnology International, Inc. since 2005. The reporting company's ticker symbol is YGYB. The reporting company's CIK number is 1398551.
The total value of stock buying since 2005 is $15,536,562.
The total value of stock sales since 2005 is $2,550,108.
The total value of stock option exercises since 2005 is $0.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Yongye Biotechnology International, Inc. (YGYB).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2011-09 862,664 $4,863,212 0 $0 0 $0
2011-08 1,265,379 $5,871,791 0 $0 0 $0
2010-03 0 $0 102,950 $918,739 0 $0
2010-02 0 $0 200,051 $1,600,839 0 $0
2009-08 0 $0 5,000 $30,530 0 $0
2009-05 3,117,896 $4,801,559 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Yongye Biotechnology International, Inc. insiders (YGYB)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2011-09-08 Mspea Agriculture Holding Ltd Buy 326,894 5.93 1,937,173
2011-09-07 Mspea Agriculture Holding Ltd Buy 185,941 5.60 1,040,525
2011-09-02 Mspea Agriculture Holding Ltd Buy 307,069 5.42 1,662,778
2011-09-01 Mspea Agriculture Holding Ltd Buy 42,760 5.21 222,736
2011-08-31 Mspea Agriculture Holding Ltd Buy 171,096 4.96 847,951
2011-08-30 Mspea Agriculture Holding Ltd Buy 172,082 4.76 819,454
2011-08-29 Mspea Agriculture Holding Ltd Buy 132,686 4.69 622,031
2011-08-26 Mspea Agriculture Holding Ltd Buy 145,556 4.57 664,608
2011-08-25 Mspea Agriculture Holding Ltd Buy 135,361 4.53 612,779
2011-08-24 Mspea Agriculture Holding Ltd Buy 149,283 4.53 676,102
2011-08-19 Mspea Agriculture Holding Ltd Buy 249,178 4.62 1,151,202
2011-08-18 Mspea Agriculture Holding Ltd Buy 110,137 4.34 477,664
2010-03-15 Marxe Austin W & Greenhouse David M (10% Owner) Sale 50,000 9.04 452,050
2010-03-09 Marxe Austin W & Greenhouse David M (10% Owner) Sale 2,950 9.02 26,609
2010-03-08 Marxe Austin W & Greenhouse David M (10% Owner) Sale 10,000 8.82 88,240
2010-03-05 Marxe Austin W & Greenhouse David M (10% Owner) Sale 10,000 8.70 87,000
2010-03-02 Marxe Austin W & Greenhouse David M (10% Owner) Sale 30,000 8.83 264,840
2010-02-25 Marxe Austin W & Greenhouse David M (10% Owner) Sale 130,000 8.00 1,040,129
2010-02-23 Marxe Austin W & Greenhouse David M (10% Owner) Sale 6,350 8.00 50,831
2010-02-18 Marxe Austin W & Greenhouse David M (10% Owner) Sale 39,325 8.01 314,993
2010-02-17 Marxe Austin W & Greenhouse David M (10% Owner) Sale 24,376 8.00 194,886
2009-08-11 Marxe Austin W & Greenhouse David M (10% Owner) Sale 5,000 6.11 30,530
2009-05-08 Xingmei Zhong (10% Owner) Buy 909,597 1.54 1,400,779
2009-05-08 Full Alliance International Ltd (10% Owner) Buy 909,597 1.54 1,400,779
2009-05-08 Marxe Austin W & Greenhouse David M (10% Owner) Buy 1,298,702 1.54 2,000,001

Insider trading activities including stock purchases, stock sales, and option exercises of YGYB listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Yongye Biotechnology International, Inc. (symbol YGYB, CIK number 1398551) see the Securities and Exchange Commission (SEC) website.