|
Date |
Name |
Title |
Volume |
Trade Price |
Holding Change |
|
4/9/2013
|
Zhao Yang
|
Chief Executive Officer
|
-4,782
|
$2.86
|
-1.01%
|
|
7/20/2012
|
Seligman Spectrum Focus (Master) Fund
|
Substantial Shareholder
|
-6,200
|
$2.25
|
-0.18%
|
|
7/19/2012
|
Seligman Spectrum Focus (Master) Fund
|
Substantial Shareholder
|
-5,000
|
$2.29
|
-0.15%
|
|
4/10/2012
|
Zhao Yang
|
Chief Executive Officer
|
-400
|
$3.86
|
-0.08%
|
|
4/10/2012
|
Zhao Yang
|
Chief Executive Officer
|
-300
|
$3.85
|
-0.06%
|
|
4/10/2012
|
Zhao Yang
|
Chief Executive Officer
|
-1,000
|
$3.86
|
-0.21%
|
|
4/10/2012
|
Zhao Yang
|
Chief Executive Officer
|
-550
|
$3.86
|
-0.11%
|
|
4/10/2012
|
Zhao Yang
|
Chief Executive Officer
|
-500
|
$3.86
|
-0.10%
|
|
4/10/2012
|
Zhao Yang
|
Chief Executive Officer
|
-300
|
$3.81
|
-0.06%
|
|
4/10/2012
|
Zhao Yang
|
Chief Executive Officer
|
-600
|
$3.86
|
-0.13%
|
|
4/10/2012
|
Zhao Yang
|
Chief Executive Officer
|
-2,000
|
$3.80
|
-0.42%
|
|
4/10/2012
|
Zhao Yang
|
Chief Executive Officer
|
-400
|
$3.80
|
-0.08%
|
|
4/10/2012
|
Zhao Yang
|
Chief Executive Officer
|
-2,100
|
$3.80
|
-0.44%
|
|
4/10/2012
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$3.80
|
-0.02%
|
|
4/10/2012
|
Zhao Yang
|
Chief Executive Officer
|
-1,850
|
$3.85
|
-0.38%
|
|
4/10/2012
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$3.81
|
-0.02%
|
|
4/10/2012
|
Zhao Yang
|
Chief Executive Officer
|
-800
|
$3.87
|
-0.17%
|
|
4/9/2012
|
Zhao Yang
|
Chief Executive Officer
|
-200
|
$3.84
|
-0.04%
|
|
4/9/2012
|
Zhao Yang
|
Chief Executive Officer
|
-700
|
$3.82
|
-0.14%
|
|
4/9/2012
|
Zhao Yang
|
Chief Executive Officer
|
-200
|
$3.84
|
-0.04%
|
|
4/9/2012
|
Zhao Yang
|
Chief Executive Officer
|
-1,000
|
$3.84
|
-0.21%
|
|
4/9/2012
|
Zhao Yang
|
Chief Executive Officer
|
-2,100
|
$3.83
|
-0.43%
|
|
4/9/2012
|
Zhao Yang
|
Chief Executive Officer
|
-200
|
$3.82
|
-0.04%
|
|
4/9/2012
|
Zhao Yang
|
Chief Executive Officer
|
-600
|
$3.82
|
-0.12%
|
|
4/5/2012
|
Zhao Yang
|
Chief Executive Officer
|
-3,975
|
$4.10
|
-0.81%
|
|
4/5/2012
|
Zhao Yang
|
Chief Executive Officer
|
-1,000
|
$4.12
|
-0.20%
|
|
4/5/2012
|
Zhao Yang
|
Chief Executive Officer
|
-25
|
$4.14
|
-0.01%
|
|
4/4/2012
|
Zhao Yang
|
Chief Executive Officer
|
-700
|
$4.02
|
-0.14%
|
|
4/4/2012
|
Zhao Yang
|
Chief Executive Officer
|
-2,500
|
$4.01
|
-0.50%
|
|
4/4/2012
|
Zhao Yang
|
Chief Executive Officer
|
-1,700
|
$4.03
|
-0.34%
|
|
4/4/2012
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$4.04
|
-0.02%
|
|
4/4/2012
|
Zhao Yang
|
Chief Executive Officer
|
-4,700
|
$4.05
|
-0.94%
|
|
4/4/2012
|
Zhao Yang
|
Chief Executive Officer
|
-300
|
$4.07
|
-0.06%
|
|
3/16/2012
|
Zhao Yang
|
Chief Executive Officer
|
-20,000
|
$5.00
|
-11.17%
|
|
1/6/2012
|
Seligman Spectrum Focus (Master) Fund
|
TenPercent
|
268,209
|
$2.50
|
8.45%
|
|
12/19/2011
|
Seligman Spectrum Focus (Master) Fund
|
TenPercent
|
700
|
$2.75
|
0.02%
|
|
12/13/2011
|
Seligman Spectrum Focus (Master) Fund
|
TenPercent
|
2,900
|
$2.74
|
0.09%
|
|
12/12/2011
|
Seligman Spectrum Focus (Master) Fund
|
TenPercent
|
2,400
|
$2.65
|
0.08%
|
|
12/9/2011
|
Zhao Yang
|
Chief Executive Officer
|
-1,000
|
$2.55
|
-0.56%
|
|
12/9/2011
|
Seligman Spectrum Focus (Master) Fund
|
TenPercent
|
197,750
|
$2.60
|
6.65%
|
|
12/8/2011
|
Zhao Yang
|
Chief Executive Officer
|
-1,000
|
$2.57
|
-0.55%
|
|
12/7/2011
|
Zhao Yang
|
Chief Executive Officer
|
-1,000
|
$2.55
|
-0.55%
|
|
12/6/2011
|
Zhao Yang
|
Chief Executive Officer
|
-1,000
|
$2.56
|
-0.55%
|
|
12/5/2011
|
Zhao Yang
|
Chief Executive Officer
|
-1,000
|
$2.64
|
-0.54%
|
|
12/2/2011
|
Zhao Yang
|
Chief Executive Officer
|
-1,000
|
$2.77
|
-0.54%
|
|
12/1/2011
|
Zhao Yang
|
Chief Executive Officer
|
-1,000
|
$2.80
|
-0.54%
|
|
11/30/2011
|
Zhao Yang
|
Chief Executive Officer
|
-1,000
|
$2.83
|
-0.53%
|
|
11/28/2011
|
Seligman Spectrum Focus (Master) Fund
|
TenPercent
|
8,200
|
$2.90
|
0.28%
|
|
11/28/2011
|
Seligman Spectrum Focus (Master) Fund
|
TenPercent
|
12,500
|
$2.87
|
0.42%
|
|
11/25/2011
|
Seligman Spectrum Focus (Master) Fund
|
TenPercent
|
8,100
|
$2.90
|
0.28%
|
|
11/8/2011
|
Seligman Spectrum Focus (Master) Fund
|
TenPercent
|
1,800
|
$2.90
|
0.06%
|
|
10/13/2011
|
Seligman Spectrum Focus (Master) Fund
|
TenPercent
|
1,200
|
$2.15
|
0.04%
|
|
10/5/2011
|
Seligman Spectrum Focus (Master) Fund
|
TenPercent
|
11,800
|
$2.10
|
0.41%
|
|
10/5/2011
|
Seligman Spectrum Focus (Master) Fund
|
TenPercent
|
23,971
|
$2.22
|
0.82%
|
|
10/4/2011
|
Seligman Spectrum Focus (Master) Fund
|
TenPercent
|
5,029
|
$2.25
|
0.17%
|
|
8/31/2011
|
Zhao Yang
|
Chief Executive Officer
|
-225
|
$2.57
|
-0.05%
|
|
8/31/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.54
|
-0.02%
|
|
8/31/2011
|
Zhao Yang
|
Chief Executive Officer
|
-75
|
$2.58
|
-0.02%
|
|
8/31/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.62
|
-0.02%
|
|
8/31/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.63
|
-0.02%
|
|
8/31/2011
|
Zhao Yang
|
Chief Executive Officer
|
-200
|
$2.66
|
-0.04%
|
|
8/31/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.75
|
-0.02%
|
|
8/31/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.81
|
-0.02%
|
|
8/30/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.70
|
-0.02%
|
|
8/30/2011
|
Zhao Yang
|
Chief Executive Officer
|
-700
|
$2.65
|
-0.15%
|
|
8/30/2011
|
Zhao Yang
|
Chief Executive Officer
|
-300
|
$2.60
|
-0.07%
|
|
8/30/2011
|
Zhao Yang
|
Chief Executive Officer
|
-180
|
$2.59
|
-0.04%
|
|
8/30/2011
|
Zhao Yang
|
Chief Executive Officer
|
-220
|
$2.58
|
-0.05%
|
|
8/29/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.57
|
-0.02%
|
|
8/29/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.59
|
-0.02%
|
|
8/29/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.62
|
-0.02%
|
|
8/29/2011
|
Zhao Yang
|
Chief Executive Officer
|
-200
|
$2.62
|
-0.04%
|
|
8/29/2011
|
Zhao Yang
|
Chief Executive Officer
|
-200
|
$2.63
|
-0.04%
|
|
8/29/2011
|
Zhao Yang
|
Chief Executive Officer
|
-192
|
$2.64
|
-0.04%
|
|
8/29/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.66
|
-0.02%
|
|
8/29/2011
|
Zhao Yang
|
Chief Executive Officer
|
-408
|
$2.74
|
-0.09%
|
|
8/29/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.81
|
-0.02%
|
|
8/26/2011
|
Zhao Yang
|
Chief Executive Officer
|
-99
|
$2.61
|
-0.02%
|
|
8/26/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.74
|
-0.02%
|
|
8/26/2011
|
Zhao Yang
|
Chief Executive Officer
|
-400
|
$2.76
|
-0.09%
|
|
8/26/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.77
|
-0.02%
|
|
8/26/2011
|
Zhao Yang
|
Chief Executive Officer
|
-200
|
$2.79
|
-0.04%
|
|
8/26/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.80
|
-0.02%
|
|
8/26/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.78
|
-0.02%
|
|
8/26/2011
|
Zhao Yang
|
Chief Executive Officer
|
-400
|
$2.60
|
-0.09%
|
|
8/25/2011
|
Zhao Yang
|
Chief Executive Officer
|
-300
|
$2.75
|
-0.06%
|
|
8/25/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.65
|
-0.02%
|
|
8/25/2011
|
Zhao Yang
|
Chief Executive Officer
|
-200
|
$2.76
|
-0.04%
|
|
8/25/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.77
|
-0.02%
|
|
8/25/2011
|
Zhao Yang
|
Chief Executive Officer
|
-200
|
$2.78
|
-0.04%
|
|
8/25/2011
|
Zhao Yang
|
Chief Executive Officer
|
-500
|
$2.74
|
-0.11%
|
|
8/25/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.79
|
-0.02%
|
|
8/24/2011
|
Zhao Yang
|
Chief Executive Officer
|
-200
|
$2.33
|
-0.04%
|
|
8/24/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.68
|
-0.02%
|
|
8/24/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.63
|
-0.02%
|
|
8/24/2011
|
Zhao Yang
|
Chief Executive Officer
|
-200
|
$2.29
|
-0.04%
|
|
8/24/2011
|
Zhao Yang
|
Chief Executive Officer
|
-200
|
$2.28
|
-0.04%
|
|
8/24/2011
|
Zhao Yang
|
Chief Executive Officer
|
-700
|
$2.27
|
-0.15%
|
|
8/23/2011
|
Seligman Spectrum Focus (Master) Fund
|
TenPercent
|
190
|
$2.25
|
0.01%
|
|
8/23/2011
|
Zhao Yang
|
Chief Executive Officer
|
-100
|
$2.26
|
-0.02%
|