Stock chart
Ticker: BTRX


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Total value Details
2008-08-06 2008-08-06 B Purchase

Bengal Acquisition Inc.

See Footnote (1)

Large shareholder
1,033,464 +100.0%
4.15
4,288,876 USD
1,033,464 +100.0% 4.15 4,288,876 USD
2008-08-05 2008-08-05 B Purchase

Stiefel Laboratories, Inc.

See footnote (1)(2)

Large shareholder
34,266,494 +inf%
4.15
142,205,950 USD
34,266,494 +inf% 4.15 142,205,950 USD
2006-11-14 2006-11-13 B Purchase

ERICKSON EDWARD L

Non-Executive Director
1,000 +100.0%
7.20
7,200 USD
1,000 +100.0% 7.20 7,200 USD
2006-11-14 2006-11-13 B Purchase

ERICKSON EDWARD L

Non-Executive Director
100 +11.1%
7.26
726 USD
100 +11.1% 7.26 726 USD
2006-11-14 2006-11-13 B Purchase

ERICKSON EDWARD L

Non-Executive Director
300 +50.0%
7.25
2,175 USD
300 +50.0% 7.25 2,175 USD
2006-11-14 2006-11-13 B Purchase

ERICKSON EDWARD L

Non-Executive Director
600 +inf%
7.23
4,338 USD
600 +inf% 7.23 4,338 USD
2006-09-27 2006-09-27 B Purchase

Jacey Charles F Jr

Non-Executive Director
300 +100.0%
6.40
1,920 USD
300 +100.0% 6.40 1,920 USD
2006-08-10 2006-08-09 B Purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
1,000 +10.0%
5.44
5,437 USD
1,000 +10.0% 5.44 5,437 USD
2006-08-10 2006-08-09 PP Planned purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
600 +0.1%
5.44
3,262 USD
600 +0.1% 5.44 3,262 USD
2006-08-10 2006-08-09 B Purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
400 +0.1%
5.42
2,168 USD
400 +0.1% 5.42 2,168 USD
2006-06-16 2006-06-16 B Purchase

CAMPBELL ROBERT E

Non-Executive Director
3,000 +100.0%
5.92
17,751 USD
3,000 +100.0% 5.92 17,751 USD
2006-05-19 2006-05-19 B Purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
4,000 +100.0%
6.17
24,680 USD
4,000 +100.0% 6.17 24,680 USD
2006-05-19 2006-05-19 B Purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
1,000 +0.2%
6.17
6,166 USD
1,000 +0.2% 6.17 6,166 USD
2006-03-15 2006-03-15 PP Planned purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
1,300 +0.3%
9.25
12,022 USD
1,300 +0.3% 9.25 12,022 USD
2006-03-15 2006-03-15 B Purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
700 +0.1%
9.25
6,475 USD
700 +0.1% 9.25 6,475 USD
2006-03-06 2006-03-06 B Purchase

CAMPBELL ROBERT E

Non-Executive Director
1,000 +50.0%
9.97
9,970 USD
1,000 +50.0% 9.97 9,970 USD
2005-03-14 2005-03-11 B Purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
200 +5.3%
14.47
2,894 USD
200 +5.3% 14.47 2,894 USD
2005-03-14 2005-03-11 B Purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
1,300 +52.0%
14.34
18,642 USD
1,300 +52.0% 14.34 18,642 USD
2005-03-14 2005-03-11 PP Planned purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
100 +0.0%
14.80
1,480 USD
100 +0.0% 14.80 1,480 USD
2005-03-14 2005-03-11 B Purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
100 +0.0%
14.79
1,479 USD
100 +0.0% 14.79 1,479 USD
2005-03-14 2005-03-11 B Purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
100 +0.0%
14.78
1,478 USD
100 +0.0% 14.78 1,478 USD
2005-03-14 2005-03-11 B Purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
1,200 +0.2%
14.77
17,724 USD
1,200 +0.2% 14.77 17,724 USD
2005-03-09 2005-03-08 PP Planned purchase

VANLENT ANNE

Exec. V.P., CFO and Treasurer

Officer
2,000 +1.8%
14.47
28,930 USD
2,000 +1.8% 14.47 28,930 USD
2005-03-03 2005-02-15 S Sale

SIMON NICHOLAS J III

Non-Executive Director
384,236 -16.5%
19.50
7,492,602 USD
384,236 -16.5% 19.50 7,492,602 USD
2005-03-03 2005-02-15 S Sale

EVNIN LUKE

See Remarks

384,236 -16.5%
19.50
7,492,602 USD
384,236 -16.5% 19.50 7,492,602 USD
2005-03-03 2005-02-15 S Sale

MPM BIOVENTURES III QP LP

See Remarks

384,236 -16.5%
19.50
7,492,602 USD
384,236 -16.5% 19.50 7,492,602 USD
2005-02-17 2005-02-15 S Sale

AKKARAJU SRINIVAS

Non-Executive Director
380,497 -16.4%
18.33
6,974,510 USD
380,497 -16.4% 18.33 6,974,510 USD
2005-02-17 2005-02-15 S Sale

JP MORGAN PARTNERS BHCA LP

Large shareholder
3,682 -16.4%
18.33
67,491 USD
3,682 -16.4% 18.33 67,491 USD
2005-02-17 2005-02-15 S Sale

JP MORGAN PARTNERS BHCA LP

Large shareholder
9,068 -16.4%
18.33
166,216 USD
9,068 -16.4% 18.33 166,216 USD
2005-02-17 2005-02-15 S Sale

JP MORGAN PARTNERS BHCA LP

Large shareholder
33,018 -16.4%
18.33
605,220 USD
33,018 -16.4% 18.33 605,220 USD
2005-02-17 2005-02-15 S Sale

JP MORGAN PARTNERS BHCA LP

Large shareholder
65,168 -16.4%
18.33
1,194,529 USD
65,168 -16.4% 18.33 1,194,529 USD
2005-02-17 2005-02-15 S Sale

JP MORGAN PARTNERS BHCA LP

Large shareholder
380,497 -16.4%
18.33
6,974,510 USD
380,497 -16.4% 18.33 6,974,510 USD
2005-02-17 2005-02-15 S Sale

PERSEUS SOROS BIOPHARMACEUTICAL FUND LP

See footnote (2)

430,004 -15.6%
19.50
8,385,078 USD
430,004 -15.6% 19.50 8,385,078 USD
2005-02-15 2005-02-15 S Sale

JOHNSON & JOHNSON

Large shareholder
694,327 -15.6%
19.50
13,539,377 USD
694,327 -15.6% 19.50 13,539,377 USD
2005-01-04 2004-12-30 B Purchase

JP MORGAN PARTNERS BHCA LP

Large shareholder
147,134 +inf%
7.94
1,168,244 USD
147,134 +inf% 7.94 1,168,244 USD
2005-01-04 2004-12-30 S Sale

JP MORGAN PARTNERS BHCA LP

Large shareholder
147,134 -6.0%
7.94
1,168,244 USD
147,134 -6.0% 7.94 1,168,244 USD
2004-12-30 2004-12-30 PS Planned sale

BRISTOW ALBERT

General Counsel and Secretary

Officer
500 -85.0%
16.25
8,125 USD
500 -85.0% 16.25 8,125 USD
2004-12-30 2004-12-29 PS Planned sale

BRISTOW ALBERT

General Counsel and Secretary

Officer
500 -85.0%
16.38
8,190 USD
500 -85.0% 16.38 8,190 USD
2004-12-30 2004-12-29 PS Planned sale

BRISTOW ALBERT

General Counsel and Secretary

Officer
1,000 -63.0%
16.35
16,350 USD
1,000 -63.0% 16.35 16,350 USD
2004-12-30 2004-12-29 PS Planned sale

BRISTOW ALBERT

General Counsel and Secretary

Officer
500 -23.9%
16.33
8,165 USD
500 -23.9% 16.33 8,165 USD
2004-12-30 2004-12-29 PS Planned sale

BRISTOW ALBERT

General Counsel and Secretary

Officer
500 -19.3%
16.32
8,160 USD
500 -19.3% 16.32 8,160 USD
2004-12-28 2004-12-28 B Purchase

CAMPBELL ROBERT E

Non-Executive Director
2,000 +inf%
16.25
32,500 USD
2,000 +inf% 16.25 32,500 USD
2004-12-22 2004-12-20 S Sale

MPM BIOVENTURES III QP LP

Large shareholder
10,000 -0.4%
17.90
179,001 USD
10,000 -0.4% 17.90 179,001 USD
2004-12-22 2004-12-20 S Sale

SIMON NICHOLAS J III

Non-Executive Director Large shareholder
10,000 -0.4%
17.90
179,001 USD
10,000 -0.4% 17.90 179,001 USD
2004-12-22 2004-12-20 S Sale

EVNIN LUKE

Large shareholder
10,000 -0.4%
17.90
179,001 USD
10,000 -0.4% 17.90 179,001 USD
2004-08-18 2004-08-17 B Purchase

VANLENT ANNE

Exec. V.P., CFO and Treasurer

Officer
1,000 +inf%
10.18
10,180 USD
1,000 +inf% 10.18 10,180 USD
2004-08-16 2004-08-13 B Purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
1,500 +150.0%
10.70
16,050 USD
1,500 +150.0% 10.70 16,050 USD
2004-08-16 2004-08-13 PP Planned purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
1,000 +0.2%
10.16
10,160 USD
1,000 +0.2% 10.16 10,160 USD
2004-05-06 2004-05-04 B Purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
1,000 +inf%
15.00
15,000 USD
1,000 +inf% 15.00 15,000 USD
2004-05-06 2004-05-04 B Purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
1,000 +inf%
15.00
15,000 USD
1,000 +inf% 15.00 15,000 USD
2004-05-06 2004-05-04 B Purchase

CAUWENBERGH GEERT

Chief Executive Officer

Executive Director
1,000 +inf%
15.00
15,000 USD
1,000 +inf% 15.00 15,000 USD
2004-05-05 2004-05-04 B Purchase

EVNIN LUKE

Large shareholder
200,000 +9.3%
15.00
3,000,000 USD
200,000 +9.3% 15.00 3,000,000 USD
2004-05-05 2004-05-04 B Purchase

SIMON NICHOLAS J III

Large shareholder
200,000 +9.3%
15.00
3,000,000 USD
200,000 +9.3% 15.00 3,000,000 USD
2004-05-05 2004-05-04 B Purchase

MPM BIOVENTURES III QP LP

Large shareholder
200,000 +9.3%
15.00
3,000,000 USD
200,000 +9.3% 15.00 3,000,000 USD