|
2009-06-08 |
2009-06-05 |
B
Purchase
|
Heyman Stephen J
Large shareholder
|
52,121
-12.4%
474.64
US$3,163,299
|
52,121
-12.4%
|
474.64
|
US$3,163,299
|
|
|
2009-06-05 |
2009-06-03 |
B
Purchase
|
Heyman Stephen J
Large shareholder
|
31,387
+13.7%
83.05
US$4,592,739
|
31,387
+13.7%
|
83.05
|
US$4,592,739
|
|
|
2009-06-02 |
2009-05-28 |
B
Purchase
|
Heyman Stephen J
Large shareholder
|
87,881
-0.2%
400.80
US$576,180
|
87,881
-0.2%
|
400.80
|
US$576,180
|
|
|
2009-06-02 |
2009-05-26 |
B
Purchase
|
Heyman Stephen J
Large shareholder
|
2,322
+0.7%
1.32
US$3,065
|
2,322
+0.7%
|
1.32
|
US$3,065
|
|
|
2009-06-02 |
2009-05-22 |
B
Purchase
|
Heyman Stephen J
Large shareholder
|
1,424
+0.4%
1.32
US$1,875
|
1,424
+0.4%
|
1.32
|
US$1,875
|
|
|
2007-07-25 |
2007-07-24 |
S
Sale
|
Value Fund Advisors, LLC
Large shareholder
|
4,000
-0.4%
1.05
US$4,187
|
4,000
-0.4%
|
1.05
|
US$4,187
|
|
|
2007-07-23 |
2007-07-19 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
24,726
+2.4%
1.12
US$27,750
|
24,726
+2.4%
|
1.12
|
US$27,750
|
|
|
2007-07-18 |
2007-07-17 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
7,800
+0.8%
1.15
US$8,970
|
7,800
+0.8%
|
1.15
|
US$8,970
|
|
|
2007-07-18 |
2007-07-16 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
3,509
+0.3%
1.11
US$3,904
|
3,509
+0.3%
|
1.11
|
US$3,904
|
|
|
2007-07-12 |
2007-07-11 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
12,300
+1.2%
1.15
US$14,136
|
12,300
+1.2%
|
1.15
|
US$14,136
|
|
|
2007-07-12 |
2007-07-10 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
5,466
+0.5%
1.10
US$6,000
|
5,466
+0.5%
|
1.10
|
US$6,000
|
|
|
2007-07-09 |
2007-07-06 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
5,343
+0.5%
1.08
US$5,770
|
5,343
+0.5%
|
1.08
|
US$5,770
|
|
|
2007-07-09 |
2007-07-05 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
3,729
+0.4%
1.11
US$4,150
|
3,729
+0.4%
|
1.11
|
US$4,150
|
|
|
2007-07-05 |
2007-07-03 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
1,100
+0.1%
1.11
US$1,220
|
1,100
+0.1%
|
1.11
|
US$1,220
|
|
|
2007-07-05 |
2007-07-02 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
556
+0.1%
1.13
US$629
|
556
+0.1%
|
1.13
|
US$629
|
|
|
2007-07-02 |
2007-06-29 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
3,179
+0.3%
1.09
US$3,471
|
3,179
+0.3%
|
1.09
|
US$3,471
|
|
|
2007-07-02 |
2007-06-28 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
10,758
+1.1%
1.08
US$11,634
|
10,758
+1.1%
|
1.08
|
US$11,634
|
|
|
2007-06-06 |
2007-06-01 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
1,900
+0.2%
1.04
US$1,978
|
1,900
+0.2%
|
1.04
|
US$1,978
|
|
|
2007-05-30 |
2007-05-29 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
11,740
+1.2%
1.07
US$12,562
|
11,740
+1.2%
|
1.07
|
US$12,562
|
|
|
2007-05-24 |
2007-05-22 |
B
Purchase
|
Boston Avenue Capital
Large shareholder
|
7,466
+0.8%
1.08
US$8,063
|
7,466
+0.8%
|
1.08
|
US$8,063
|
|
|
2007-05-21 |
2007-05-17 |
B
Purchase
|
Boston Avenue Capital
Large shareholder
|
20,894
+2.2%
1.02
US$21,312
|
20,894
+2.2%
|
1.02
|
US$21,312
|
|
|
2007-05-03 |
2007-05-01 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
5,929
+0.6%
1.10
US$6,522
|
5,929
+0.6%
|
1.10
|
US$6,522
|
|
|
2007-05-01 |
2007-04-27 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
31,558
+3.5%
1.03
US$32,505
|
31,558
+3.5%
|
1.03
|
US$32,505
|
|
|
2007-04-27 |
2007-04-26 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
21,266
+2.4%
1.03
US$21,887
|
21,266
+2.4%
|
1.03
|
US$21,887
|
|
|
2007-04-27 |
2007-04-25 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
7,241
+0.8%
1.00
US$7,238
|
7,241
+0.8%
|
1.00
|
US$7,238
|
|
|
2007-04-23 |
2007-04-20 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
25,482
+3.0%
0.99
US$25,110
|
25,482
+3.0%
|
0.99
|
US$25,110
|
|
|
2007-04-23 |
2007-04-19 |
B
Purchase
|
Value Fund Advisors, LLC
Large shareholder
|
5,460
+0.7%
0.97
US$5,308
|
5,460
+0.7%
|
0.97
|
US$5,308
|
|
|
2006-06-06 |
2006-06-06 |
S
Sale
|
WEI ZHONGMIN
Chief Science Officer
Officer
|
3,613
-100.0%
2.25
US$8,129
|
3,613
-100.0%
|
2.25
|
US$8,129
|
|
|
2006-05-18 |
2006-05-17 |
S
Sale
|
WEI ZHONGMIN
Chief Science Officer
Officer
|
6,500
-64.3%
2.21
US$14,365
|
6,500
-64.3%
|
2.21
|
US$14,365
|
|
|
2006-05-16 |
2006-05-15 |
B
Purchase
|
WEI ZHONGMIN
Chief Science Officer
Officer
|
2,000
+16.2%
1.50
US$3,000
|
2,000
+16.2%
|
1.50
|
US$3,000
|
|
|
2006-05-16 |
2006-05-12 |
S
Sale
|
WEI ZHONGMIN
Chief Science Officer
Officer
|
4,220
-29.4%
2.28
US$9,622
|
4,220
-29.4%
|
2.28
|
US$9,622
|
|
|
2006-05-08 |
2006-05-05 |
B
Purchase
|
WEI ZHONGMIN
Chief Science Officer
Officer
|
12,000
+1200.0%
1.50
US$18,000
|
12,000
+1200.0%
|
1.50
|
US$18,000
|
|
|
2006-03-15 |
2006-03-15 |
B
Purchase
|
PAHRE RICHARD N
Non-Executive Director
|
6,000
+inf%
0.89
US$5,340
|
6,000
+inf%
|
0.89
|
US$5,340
|
|
|
2006-03-15 |
2006-03-15 |
S
Sale
|
WEI ZHONGMIN
Chief Science Officer
Officer
|
10,000
-90.9%
0.86
US$8,600
|
10,000
-90.9%
|
0.86
|
US$8,600
|
|
|
2005-11-22 |
2005-11-22 |
S
Sale
|
POWELL BRADLEY S
Chief Financial Officer
Officer
|
6,000
-100.0%
0.60
US$3,600
|
6,000
-100.0%
|
0.60
|
US$3,600
|
|
|
2005-05-03 |
2005-04-29 |
B
Purchase
|
WEI ZHONGMIN
Chief Science Officer
Officer
|
1,000
+10.0%
0.40
US$400
|
1,000
+10.0%
|
0.40
|
US$400
|
|
|
2004-11-30 |
2004-11-29 |
B
Purchase
|
TITCOMB JOHN W JR
Non-Executive Director
|
10,000
+9.1%
0.79
US$7,875
|
10,000
+9.1%
|
0.79
|
US$7,875
|
|
|
2004-08-12 |
2004-08-11 |
B
Purchase
|
TITCOMB JOHN W JR
Non-Executive Director
|
29,600
+36.8%
0.45
US$13,320
|
29,600
+36.8%
|
0.45
|
US$13,320
|
|
|
2004-08-12 |
2004-08-11 |
B
Purchase
|
TITCOMB JOHN W JR
Non-Executive Director
|
400
+0.5%
0.44
US$176
|
400
+0.5%
|
0.44
|
US$176
|
|
|
2004-05-03 |
2004-05-03 |
B
Purchase
|
|
5,000
+6.7%
1.08
US$5,400
|
5,000
+6.7%
|
1.08
|
US$5,400
|
|
|
2004-05-03 |
2004-04-30 |
B
Purchase
|
Chief Scientific Officer
|
1,000
+11.1%
0.85
US$850
|
1,000
+11.1%
|
0.85
|
US$850
|
|
|
2004-05-03 |
2004-04-30 |
B
Purchase
|
|
5,000
+7.1%
1.14
US$5,700
|
5,000
+7.1%
|
1.14
|
US$5,700
|
|