|
2009-06-08 |
2009-06-05 |
A
Achat
|
Heyman Stephen J
Actionnaire important
|
52 121
-12.4%
474,64
3 163 299 $US
|
52 121
-12.4%
|
474,64
|
3 163 299 $US
|
|
|
2009-06-05 |
2009-06-03 |
A
Achat
|
Heyman Stephen J
Actionnaire important
|
31 387
+13.7%
83,05
4 592 739 $US
|
31 387
+13.7%
|
83,05
|
4 592 739 $US
|
|
|
2009-06-02 |
2009-05-28 |
A
Achat
|
Heyman Stephen J
Actionnaire important
|
87 881
-0.2%
400,80
576 180 $US
|
87 881
-0.2%
|
400,80
|
576 180 $US
|
|
|
2009-06-02 |
2009-05-26 |
A
Achat
|
Heyman Stephen J
Actionnaire important
|
2 322
+0.7%
1,32
3 065 $US
|
2 322
+0.7%
|
1,32
|
3 065 $US
|
|
|
2009-06-02 |
2009-05-22 |
A
Achat
|
Heyman Stephen J
Actionnaire important
|
1 424
+0.4%
1,32
1 875 $US
|
1 424
+0.4%
|
1,32
|
1 875 $US
|
|
|
2007-07-25 |
2007-07-24 |
V
Vente
|
Value Fund Advisors, LLC
Actionnaire important
|
4 000
-0.4%
1,05
4 187 $US
|
4 000
-0.4%
|
1,05
|
4 187 $US
|
|
|
2007-07-23 |
2007-07-19 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
24 726
+2.4%
1,12
27 750 $US
|
24 726
+2.4%
|
1,12
|
27 750 $US
|
|
|
2007-07-18 |
2007-07-17 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
7 800
+0.8%
1,15
8 970 $US
|
7 800
+0.8%
|
1,15
|
8 970 $US
|
|
|
2007-07-18 |
2007-07-16 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
3 509
+0.3%
1,11
3 904 $US
|
3 509
+0.3%
|
1,11
|
3 904 $US
|
|
|
2007-07-12 |
2007-07-11 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
12 300
+1.2%
1,15
14 136 $US
|
12 300
+1.2%
|
1,15
|
14 136 $US
|
|
|
2007-07-12 |
2007-07-10 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
5 466
+0.5%
1,10
6 000 $US
|
5 466
+0.5%
|
1,10
|
6 000 $US
|
|
|
2007-07-09 |
2007-07-06 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
5 343
+0.5%
1,08
5 770 $US
|
5 343
+0.5%
|
1,08
|
5 770 $US
|
|
|
2007-07-09 |
2007-07-05 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
3 729
+0.4%
1,11
4 150 $US
|
3 729
+0.4%
|
1,11
|
4 150 $US
|
|
|
2007-07-05 |
2007-07-03 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
1 100
+0.1%
1,11
1 220 $US
|
1 100
+0.1%
|
1,11
|
1 220 $US
|
|
|
2007-07-05 |
2007-07-02 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
556
+0.1%
1,13
629 $US
|
556
+0.1%
|
1,13
|
629 $US
|
|
|
2007-07-02 |
2007-06-29 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
3 179
+0.3%
1,09
3 471 $US
|
3 179
+0.3%
|
1,09
|
3 471 $US
|
|
|
2007-07-02 |
2007-06-28 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
10 758
+1.1%
1,08
11 634 $US
|
10 758
+1.1%
|
1,08
|
11 634 $US
|
|
|
2007-06-06 |
2007-06-01 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
1 900
+0.2%
1,04
1 978 $US
|
1 900
+0.2%
|
1,04
|
1 978 $US
|
|
|
2007-05-30 |
2007-05-29 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
11 740
+1.2%
1,07
12 562 $US
|
11 740
+1.2%
|
1,07
|
12 562 $US
|
|
|
2007-05-24 |
2007-05-22 |
A
Achat
|
Boston Avenue Capital
Actionnaire important
|
7 466
+0.8%
1,08
8 063 $US
|
7 466
+0.8%
|
1,08
|
8 063 $US
|
|
|
2007-05-21 |
2007-05-17 |
A
Achat
|
Boston Avenue Capital
Actionnaire important
|
20 894
+2.2%
1,02
21 312 $US
|
20 894
+2.2%
|
1,02
|
21 312 $US
|
|
|
2007-05-03 |
2007-05-01 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
5 929
+0.6%
1,10
6 522 $US
|
5 929
+0.6%
|
1,10
|
6 522 $US
|
|
|
2007-05-01 |
2007-04-27 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
31 558
+3.5%
1,03
32 505 $US
|
31 558
+3.5%
|
1,03
|
32 505 $US
|
|
|
2007-04-27 |
2007-04-26 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
21 266
+2.4%
1,03
21 887 $US
|
21 266
+2.4%
|
1,03
|
21 887 $US
|
|
|
2007-04-27 |
2007-04-25 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
7 241
+0.8%
1,00
7 238 $US
|
7 241
+0.8%
|
1,00
|
7 238 $US
|
|
|
2007-04-23 |
2007-04-20 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
25 482
+3.0%
0,99
25 110 $US
|
25 482
+3.0%
|
0,99
|
25 110 $US
|
|
|
2007-04-23 |
2007-04-19 |
A
Achat
|
Value Fund Advisors, LLC
Actionnaire important
|
5 460
+0.7%
0,97
5 308 $US
|
5 460
+0.7%
|
0,97
|
5 308 $US
|
|
|
2006-06-06 |
2006-06-06 |
V
Vente
|
WEI ZHONGMIN
Chief Science Officer
Dirigeant
|
3 613
-100.0%
2,25
8 129 $US
|
3 613
-100.0%
|
2,25
|
8 129 $US
|
|
|
2006-05-18 |
2006-05-17 |
V
Vente
|
WEI ZHONGMIN
Chief Science Officer
Dirigeant
|
6 500
-64.3%
2,21
14 365 $US
|
6 500
-64.3%
|
2,21
|
14 365 $US
|
|
|
2006-05-16 |
2006-05-15 |
A
Achat
|
WEI ZHONGMIN
Chief Science Officer
Dirigeant
|
2 000
+16.2%
1,50
3 000 $US
|
2 000
+16.2%
|
1,50
|
3 000 $US
|
|
|
2006-05-16 |
2006-05-12 |
V
Vente
|
WEI ZHONGMIN
Chief Science Officer
Dirigeant
|
4 220
-29.4%
2,28
9 622 $US
|
4 220
-29.4%
|
2,28
|
9 622 $US
|
|
|
2006-05-08 |
2006-05-05 |
A
Achat
|
WEI ZHONGMIN
Chief Science Officer
Dirigeant
|
12 000
+1200.0%
1,50
18 000 $US
|
12 000
+1200.0%
|
1,50
|
18 000 $US
|
|
|
2006-03-15 |
2006-03-15 |
A
Achat
|
PAHRE RICHARD N
Administrateur non-exécutif
|
6 000
+inf%
0,89
5 340 $US
|
6 000
+inf%
|
0,89
|
5 340 $US
|
|
|
2006-03-15 |
2006-03-15 |
V
Vente
|
WEI ZHONGMIN
Chief Science Officer
Dirigeant
|
10 000
-90.9%
0,86
8 600 $US
|
10 000
-90.9%
|
0,86
|
8 600 $US
|
|
|
2005-11-22 |
2005-11-22 |
V
Vente
|
POWELL BRADLEY S
Chief Financial Officer
Dirigeant
|
6 000
-100.0%
0,60
3 600 $US
|
6 000
-100.0%
|
0,60
|
3 600 $US
|
|
|
2005-05-03 |
2005-04-29 |
A
Achat
|
WEI ZHONGMIN
Chief Science Officer
Dirigeant
|
1 000
+10.0%
0,40
400 $US
|
1 000
+10.0%
|
0,40
|
400 $US
|
|
|
2004-11-30 |
2004-11-29 |
A
Achat
|
TITCOMB JOHN W JR
Administrateur non-exécutif
|
10 000
+9.1%
0,79
7 875 $US
|
10 000
+9.1%
|
0,79
|
7 875 $US
|
|
|
2004-08-12 |
2004-08-11 |
A
Achat
|
TITCOMB JOHN W JR
Administrateur non-exécutif
|
29 600
+36.8%
0,45
13 320 $US
|
29 600
+36.8%
|
0,45
|
13 320 $US
|
|
|
2004-08-12 |
2004-08-11 |
A
Achat
|
TITCOMB JOHN W JR
Administrateur non-exécutif
|
400
+0.5%
0,44
176 $US
|
400
+0.5%
|
0,44
|
176 $US
|
|
|
2004-05-03 |
2004-05-03 |
A
Achat
|
|
5 000
+6.7%
1,08
5 400 $US
|
5 000
+6.7%
|
1,08
|
5 400 $US
|
|
|
2004-05-03 |
2004-04-30 |
A
Achat
|
Chief Scientific Officer
|
1 000
+11.1%
0,85
850 $US
|
1 000
+11.1%
|
0,85
|
850 $US
|
|
|
2004-05-03 |
2004-04-30 |
A
Achat
|
|
5 000
+7.1%
1,14
5 700 $US
|
5 000
+7.1%
|
1,14
|
5 700 $US
|
|