|
Date |
Name |
Title |
Volume |
Trade Price |
Holding Change |
|
3/15/2013
|
Feldman Jerome I
|
Chariman
|
-900
|
$1.98
|
-0.39%
|
|
3/15/2013
|
Feldman Jerome I
|
Chariman
|
-260
|
$2.00
|
-0.11%
|
|
3/15/2013
|
Feldman Jerome I
|
Chariman
|
-2,840
|
$1.99
|
-1.22%
|
|
3/14/2013
|
Feldman Jerome I
|
Chariman
|
85,000
|
$2.00
|
37.14%
|
|
3/14/2013
|
Feldman Jerome I
|
Chariman
|
-1,000
|
$1.99
|
-0.43%
|
|
3/14/2013
|
Feldman Jerome I
|
Chariman
|
-1,900
|
$2.00
|
-0.81%
|
|
3/14/2013
|
Feldman Jerome I
|
Chariman
|
-1,200
|
$2.00
|
-0.51%
|
|
3/14/2013
|
Feldman Jerome I
|
Chariman
|
-400
|
$2.01
|
-0.17%
|
|
3/14/2013
|
Feldman Jerome I
|
Chariman
|
-1,200
|
$2.03
|
-0.49%
|
|
3/14/2013
|
Feldman Jerome I
|
Chariman
|
-70,655
|
$2.00
|
-22.51%
|
|
3/14/2013
|
Feldman Jerome I
|
Chariman
|
-3,845
|
$2.02
|
-1.59%
|
|
3/14/2013
|
Feldman Jerome I
|
Chariman
|
-300
|
$2.02
|
-0.12%
|
|
3/14/2013
|
Feldman Jerome I
|
Chariman
|
-500
|
$2.02
|
-0.21%
|
|
12/14/2012
|
Hough Jeffery G
|
Sr. VP & CFO
|
-58,259
|
$1.89
|
-91.03%
|
|
9/14/2012
|
Grady Gill R
|
Sr. Vice President
|
-100
|
$1.95
|
-0.36%
|
|
9/14/2012
|
Grady Gill R
|
Sr. Vice President
|
-161
|
$1.96
|
-0.57%
|
|
9/14/2012
|
Grady Gill R
|
Sr. Vice President
|
25,000
|
$1.61
|
816.73%
|
|
9/14/2012
|
Grady Gill R
|
Sr. Vice President
|
2,700
|
$1.61
|
747.92%
|
|
9/14/2012
|
Grady Gill R
|
Sr. Vice President
|
100
|
$1.61
|
38.31%
|
|
9/14/2012
|
Grady Gill R
|
Sr. Vice President
|
161
|
$1.61
|
161.00%
|
|
9/14/2012
|
Grady Gill R
|
Sr. Vice President
|
-2,700
|
$1.94
|
-9.71%
|
|
9/14/2012
|
Grady Gill R
|
Sr. Vice President
|
-25,000
|
$1.93
|
-99.60%
|
|
9/13/2012
|
Grady Gill R
|
Sr. Vice President
|
500
|
$1.61
|
500.00%
|
|
9/13/2012
|
Grady Gill R
|
Sr. Vice President
|
3,400
|
$1.61
|
566.67%
|
|
9/13/2012
|
Grady Gill R
|
Sr. Vice President
|
-500
|
$1.94
|
-12.50%
|
|
9/13/2012
|
Grady Gill R
|
Sr. Vice President
|
-3,400
|
$1.93
|
-97.14%
|
|
9/12/2012
|
Grady Gill R
|
Sr. Vice President
|
239
|
$1.61
|
239.00%
|
|
9/12/2012
|
Grady Gill R
|
Sr. Vice President
|
-239
|
$1.93
|
-70.50%
|
|
9/11/2012
|
Grady Gill R
|
Sr. Vice President
|
500
|
$1.61
|
500.00%
|
|
9/11/2012
|
Grady Gill R
|
Sr. Vice President
|
-500
|
$1.93
|
-83.33%
|
|
9/6/2012
|
Grady Gill R
|
Sr. Vice President
|
400
|
$1.61
|
400.00%
|
|
9/6/2012
|
Grady Gill R
|
Sr. Vice President
|
-400
|
$1.93
|
-80.00%
|
|
8/27/2012
|
GORDON LAWRENCE M
|
Sr. VP & General Counsel
|
2,991
|
$1.96
|
59.71%
|
|
8/27/2012
|
GORDON LAWRENCE M
|
Sr. VP & General Counsel
|
2,579
|
$1.95
|
106.13%
|
|
8/27/2012
|
GORDON LAWRENCE M
|
Sr. VP & General Counsel
|
1,600
|
$1.94
|
192.77%
|
|
8/27/2012
|
GORDON LAWRENCE M
|
Sr. VP & General Counsel
|
400
|
$1.94
|
93.02%
|
|
8/27/2012
|
GORDON LAWRENCE M
|
Sr. VP & General Counsel
|
2,000
|
$1.96
|
25.00%
|
|
5/16/2012
|
NGP Energy Technology Partners II, L.P.
|
Substantial Shareholder
|
123,611
|
$2.50
|
4.96%
|
|
5/16/2012
|
NGP Energy Technology Partners II, L.P.
|
Substantial Shareholder
|
5,800
|
$2.48
|
0.23%
|
|
5/16/2012
|
NGP Energy Technology Partners II, L.P.
|
Substantial Shareholder
|
7,711
|
$2.49
|
0.31%
|
|
5/16/2012
|
NGP Energy Technology Partners II, L.P.
|
Substantial Shareholder
|
500
|
$2.47
|
0.02%
|
|
5/16/2012
|
NGP Energy Technology Partners II, L.P.
|
Substantial Shareholder
|
1,000
|
$2.38
|
0.04%
|
|
5/15/2012
|
NGP Energy Technology Partners II, L.P.
|
Substantial Shareholder
|
9,439
|
$2.50
|
0.38%
|
|
5/14/2012
|
NGP Energy Technology Partners II, L.P.
|
Substantial Shareholder
|
25,617
|
$2.50
|
1.05%
|
|
5/11/2012
|
NGP Energy Technology Partners II, L.P.
|
Substantial Shareholder
|
2,250
|
$2.50
|
0.09%
|
|
5/11/2012
|
NGP Energy Technology Partners II, L.P.
|
Substantial Shareholder
|
7,972
|
$2.48
|
0.33%
|
|
5/11/2012
|
NGP Energy Technology Partners II, L.P.
|
Substantial Shareholder
|
12,000
|
$2.49
|
0.50%
|
|
5/10/2012
|
NGP Energy Technology Partners II, L.P.
|
Substantial Shareholder
|
3,500
|
$2.50
|
0.14%
|
|
3/15/2012
|
TAWES ORRIE LEE
|
Director
|
10,512
|
$2.27
|
5.05%
|
|
11/30/2011
|
Polefrone Phillip M
|
Sr VP
|
5,000
|
$1.99
|
33.78%
|
|
11/29/2011
|
Polefrone Phillip M
|
Sr VP
|
2,075
|
$2.03
|
16.31%
|
|
11/29/2011
|
Polefrone Phillip M
|
Sr VP
|
2,925
|
$2.05
|
29.85%
|