United States

Northstar Neuroscience, Inc. (NSTR)

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Ticker: NSTR
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
No insider activity signals detected

Insider trades have not triggered unusual activity signals for this company.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
416.95
Quantity 14,703 +27.3%
Value US$2,663,692
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
80.30
Quantity 18,595 +3.4%
Value US$2,872,915
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
316.60
Quantity 90,190 -5.9%
Value US$4,593,404
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
1.81
Quantity 1,500 -0.0%
Value US$2,715
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
1.80
Quantity 2,600 -0.1%
Value US$4,680
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
1.79
Quantity 600 -0.0%
Value US$1,074
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
1.77
Quantity 12,300 -0.3%
Value US$21,771
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
1.76
Quantity 700 -0.0%
Value US$1,232
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
1.82
Quantity 4,300 -0.1%
Value US$7,826
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
1.80
Quantity 300 -0.0%
Value US$540
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
1.79
Quantity 9,400 -0.2%
Value US$16,826
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
1.77
Quantity 20,700 -0.5%
Value US$36,639
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
1.76
Quantity 176,900 -4.2%
Value US$311,344
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
1.75
Quantity 233,600 -5.3%
Value US$408,800
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
1.74
Quantity 13,900 -0.3%
Value US$24,186
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
1.65
Quantity 11,100 -0.3%
Value US$18,315
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
1.60
Quantity 3,400 -0.1%
Value US$5,440
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
1.26
Quantity 800 -0.0%
Value US$1,008
BARCLAYS PLC Large shareholder
Transaction date
Sale
Price
1.25
Quantity 7,900 -0.2%
Value US$9,875
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.19
Quantity 275,000 +8.6%
Value US$326,838
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.00
Quantity 410,000 +14.8%
Value US$410,000
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.25
Quantity 400,000 +16.8%
Value US$499,920
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.80
Quantity 37,300 +0.8%
Value US$67,039
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.78
Quantity 17,130 +0.4%
Value US$30,533
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.80
Quantity 13,895 +0.3%
Value US$25,011
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.80
Quantity 23,575 +0.5%
Value US$42,421
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.80
Quantity 8,100 +0.2%
Value US$14,580
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.81
Quantity 25,000 +0.5%
Value US$45,250
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.83
Quantity 100,000 +2.2%
Value US$183,160
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.83
Quantity 100,000 +2.3%
Value US$183,000
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.82
Quantity 50,000 +1.1%
Value US$91,000
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.81
Quantity 200,000 +4.8%
Value US$361,360
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.79
Quantity 25,000 +0.6%
Value US$44,750
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.77
Quantity 35,000 +0.8%
Value US$61,950
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.79
Quantity 150,000 +3.8%
Value US$269,025
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.81
Quantity 170,000 +4.5%
Value US$307,598
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.80
Quantity 36,700 +1.0%
Value US$66,060
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.78
Quantity 67,600 +1.8%
Value US$120,585
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.79
Quantity 100,000 +2.8%
Value US$179,330
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.77
Quantity 120,000 +3.5%
Value US$212,244
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.77
Quantity 6,438 +0.2%
Value US$11,413
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.79
Quantity 41,587 +1.2%
Value US$74,611
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.81
Quantity 25,000 +0.7%
Value US$45,250
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.81
Quantity 58,413 +1.7%
Value US$105,669
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.81
Quantity 50,000 +1.5%
Value US$90,405
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.81
Quantity 5,900 +0.2%
Value US$10,679
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.83
Quantity 25,000 +0.8%
Value US$45,750
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.84
Quantity 50,000 +1.6%
Value US$92,030
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.87
Quantity 100,000 +3.2%
Value US$187,000
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.82
Quantity 120,000 +4.0%
Value US$218,532
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.71
Quantity 498,000 +19.9%
Value US$850,933
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.71
Quantity 27,700 +1.1%
Value US$47,400
TANG CAPITAL MANAGEMENT LLC Large shareholder
Transaction date
Purchase
Price
1.77
Quantity 61,666 +2.1%
Value US$109,149
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.67
Quantity 70,000 +2.9%
Value US$117,194
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.56
Quantity 19,000 +0.8%
Value US$29,655
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.57
Quantity 160,000 +7.2%
Value US$251,008
TANG KEVIN C Large shareholder
Transaction date
Purchase
Price
1.55
Quantity 44,794 +2.1%
Value US$69,278
BOSTON SCIENTIFIC CORP Large shareholder
Transaction date
Sale
Price
10.10
Quantity 3,214,535 -100.0%
Value US$32,466,804
GLINER BRADFORD E Vice President, Research Officer
Transaction date
Sale
Price
13.50
Quantity 4,000 -13.3%
Value US$54,000
TREU JESSE I Non-Executive Director
Transaction date
Sale
Price
13.20
Quantity 379,000 -100.0%
Value US$5,002,800
TREU JESSE I Non-Executive Director
Transaction date
Sale
Price
13.00
Quantity 15,971 -100.0%
Value US$207,623
TREU JESSE I Non-Executive Director
Transaction date
Sale
Price
10.92
Quantity 9,085 -36.3%
Value US$99,208
TREU JESSE I Non-Executive Director
Transaction date
Sale
Price
13.10
Quantity 12,530 -33.3%
Value US$164,143
GLINER BRADFORD E Vice President, Research Officer
Transaction date
Sale
Price
13.00
Quantity 5,000 -14.3%
Value US$65,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2009-03-27 2009-03-24 S Sale BARCLAYS PLC Large shareholder
14,703 +27.3%
416.95
US$2,663,692 		14,703 +27.3% 416.95 US$2,663,692
2009-01-09 2009-01-07 S Sale BARCLAYS PLC Large shareholder
18,595 +3.4%
80.30
US$2,872,915 		18,595 +3.4% 80.30 US$2,872,915
2009-01-09 2009-01-07 S Sale BARCLAYS PLC Large shareholder
90,190 -5.9%
316.60
US$4,593,404 		90,190 -5.9% 316.60 US$4,593,404
2009-01-09 2009-01-06 S Sale BARCLAYS PLC Large shareholder
1,500 -0.0%
1.81
US$2,715 		1,500 -0.0% 1.81 US$2,715
2009-01-09 2009-01-06 S Sale BARCLAYS PLC Large shareholder
2,600 -0.1%
1.80
US$4,680 		2,600 -0.1% 1.80 US$4,680
2009-01-09 2009-01-06 S Sale BARCLAYS PLC Large shareholder
600 -0.0%
1.79
US$1,074 		600 -0.0% 1.79 US$1,074
2009-01-09 2009-01-06 S Sale BARCLAYS PLC Large shareholder
12,300 -0.3%
1.77
US$21,771 		12,300 -0.3% 1.77 US$21,771
2009-01-09 2009-01-06 S Sale BARCLAYS PLC Large shareholder
700 -0.0%
1.76
US$1,232 		700 -0.0% 1.76 US$1,232
2009-01-09 2009-01-05 S Sale BARCLAYS PLC Large shareholder
4,300 -0.1%
1.82
US$7,826 		4,300 -0.1% 1.82 US$7,826
2009-01-09 2009-01-05 S Sale BARCLAYS PLC Large shareholder
300 -0.0%
1.80
US$540 		300 -0.0% 1.80 US$540
2009-01-09 2009-01-05 S Sale BARCLAYS PLC Large shareholder
9,400 -0.2%
1.79
US$16,826 		9,400 -0.2% 1.79 US$16,826
2009-01-09 2009-01-05 S Sale BARCLAYS PLC Large shareholder
20,700 -0.5%
1.77
US$36,639 		20,700 -0.5% 1.77 US$36,639
2009-01-09 2009-01-05 S Sale BARCLAYS PLC Large shareholder
176,900 -4.2%
1.76
US$311,344 		176,900 -4.2% 1.76 US$311,344
2009-01-09 2009-01-05 S Sale BARCLAYS PLC Large shareholder
233,600 -5.3%
1.75
US$408,800 		233,600 -5.3% 1.75 US$408,800
2009-01-09 2009-01-05 S Sale BARCLAYS PLC Large shareholder
13,900 -0.3%
1.74
US$24,186 		13,900 -0.3% 1.74 US$24,186
2009-01-09 2009-01-05 S Sale BARCLAYS PLC Large shareholder
11,100 -0.3%
1.65
US$18,315 		11,100 -0.3% 1.65 US$18,315
2009-01-09 2009-01-05 S Sale BARCLAYS PLC Large shareholder
3,400 -0.1%
1.60
US$5,440 		3,400 -0.1% 1.60 US$5,440
2009-01-09 2009-01-05 S Sale BARCLAYS PLC Large shareholder
800 -0.0%
1.26
US$1,008 		800 -0.0% 1.26 US$1,008
2009-01-09 2009-01-05 S Sale BARCLAYS PLC Large shareholder
7,900 -0.2%
1.25
US$9,875 		7,900 -0.2% 1.25 US$9,875
2008-11-20 2008-11-18 B Purchase TANG KEVIN C Large shareholder
275,000 +8.6%
1.19
US$326,838 		275,000 +8.6% 1.19 US$326,838
2008-11-20 2008-11-18 B Purchase TANG KEVIN C Large shareholder
410,000 +14.8%
1.00
US$410,000 		410,000 +14.8% 1.00 US$410,000
2008-11-17 2008-11-13 B Purchase TANG KEVIN C Large shareholder
400,000 +16.8%
1.25
US$499,920 		400,000 +16.8% 1.25 US$499,920
2008-05-14 2008-05-14 B Purchase TANG KEVIN C Large shareholder
37,300 +0.8%
1.80
US$67,039 		37,300 +0.8% 1.80 US$67,039
2008-05-14 2008-05-13 B Purchase TANG KEVIN C Large shareholder
17,130 +0.4%
1.78
US$30,533 		17,130 +0.4% 1.78 US$30,533
2008-05-14 2008-05-12 B Purchase TANG KEVIN C Large shareholder
13,895 +0.3%
1.80
US$25,011 		13,895 +0.3% 1.80 US$25,011
2008-05-09 2008-05-09 B Purchase TANG KEVIN C Large shareholder
23,575 +0.5%
1.80
US$42,421 		23,575 +0.5% 1.80 US$42,421
2008-05-09 2008-05-08 B Purchase TANG KEVIN C Large shareholder
8,100 +0.2%
1.80
US$14,580 		8,100 +0.2% 1.80 US$14,580
2008-05-09 2008-05-08 B Purchase TANG KEVIN C Large shareholder
25,000 +0.5%
1.81
US$45,250 		25,000 +0.5% 1.81 US$45,250
2008-05-09 2008-05-07 B Purchase TANG KEVIN C Large shareholder
100,000 +2.2%
1.83
US$183,160 		100,000 +2.2% 1.83 US$183,160
2008-05-06 2008-05-02 B Purchase TANG KEVIN C Large shareholder
100,000 +2.3%
1.83
US$183,000 		100,000 +2.3% 1.83 US$183,000
2008-05-01 2008-05-01 B Purchase TANG KEVIN C Large shareholder
50,000 +1.1%
1.82
US$91,000 		50,000 +1.1% 1.82 US$91,000
2008-05-01 2008-04-29 B Purchase TANG KEVIN C Large shareholder
200,000 +4.8%
1.81
US$361,360 		200,000 +4.8% 1.81 US$361,360
2008-04-28 2008-04-28 B Purchase TANG KEVIN C Large shareholder
25,000 +0.6%
1.79
US$44,750 		25,000 +0.6% 1.79 US$44,750
2008-04-28 2008-04-25 B Purchase TANG KEVIN C Large shareholder
35,000 +0.8%
1.77
US$61,950 		35,000 +0.8% 1.77 US$61,950
2008-04-28 2008-04-25 B Purchase TANG KEVIN C Large shareholder
150,000 +3.8%
1.79
US$269,025 		150,000 +3.8% 1.79 US$269,025
2008-04-28 2008-04-24 B Purchase TANG KEVIN C Large shareholder
170,000 +4.5%
1.81
US$307,598 		170,000 +4.5% 1.81 US$307,598
2008-04-18 2008-04-18 B Purchase TANG KEVIN C Large shareholder
36,700 +1.0%
1.80
US$66,060 		36,700 +1.0% 1.80 US$66,060
2008-04-18 2008-04-17 B Purchase TANG KEVIN C Large shareholder
67,600 +1.8%
1.78
US$120,585 		67,600 +1.8% 1.78 US$120,585
2008-04-18 2008-04-16 B Purchase TANG KEVIN C Large shareholder
100,000 +2.8%
1.79
US$179,330 		100,000 +2.8% 1.79 US$179,330
2008-04-15 2008-04-15 B Purchase TANG KEVIN C Large shareholder
120,000 +3.5%
1.77
US$212,244 		120,000 +3.5% 1.77 US$212,244
2008-04-15 2008-04-15 B Purchase TANG KEVIN C Large shareholder
6,438 +0.2%
1.77
US$11,413 		6,438 +0.2% 1.77 US$11,413
2008-04-15 2008-04-14 B Purchase TANG KEVIN C Large shareholder
41,587 +1.2%
1.79
US$74,611 		41,587 +1.2% 1.79 US$74,611
2008-04-15 2008-04-11 B Purchase TANG KEVIN C Large shareholder
25,000 +0.7%
1.81
US$45,250 		25,000 +0.7% 1.81 US$45,250
2008-04-15 2008-04-11 B Purchase TANG KEVIN C Large shareholder
58,413 +1.7%
1.81
US$105,669 		58,413 +1.7% 1.81 US$105,669
2008-04-10 2008-04-10 B Purchase TANG KEVIN C Large shareholder
50,000 +1.5%
1.81
US$90,405 		50,000 +1.5% 1.81 US$90,405
2008-04-10 2008-04-09 B Purchase TANG KEVIN C Large shareholder
5,900 +0.2%
1.81
US$10,679 		5,900 +0.2% 1.81 US$10,679
2008-04-10 2008-04-08 B Purchase TANG KEVIN C Large shareholder
25,000 +0.8%
1.83
US$45,750 		25,000 +0.8% 1.83 US$45,750
2008-04-07 2008-04-07 B Purchase TANG KEVIN C Large shareholder
50,000 +1.6%
1.84
US$92,030 		50,000 +1.6% 1.84 US$92,030
2008-04-07 2008-04-04 B Purchase TANG KEVIN C Large shareholder
100,000 +3.2%
1.87
US$187,000 		100,000 +3.2% 1.87 US$187,000
2008-04-07 2008-04-03 B Purchase TANG KEVIN C Large shareholder
120,000 +4.0%
1.82
US$218,532 		120,000 +4.0% 1.82 US$218,532
2008-04-04 2008-04-02 B Purchase TANG KEVIN C Large shareholder
498,000 +19.9%
1.71
US$850,933 		498,000 +19.9% 1.71 US$850,933
2008-04-04 2008-04-02 B Purchase TANG KEVIN C Large shareholder
27,700 +1.1%
1.71
US$47,400 		27,700 +1.1% 1.71 US$47,400
2008-04-04 2008-04-02 B Purchase TANG CAPITAL MANAGEMENT LLC Large shareholder
61,666 +2.1%
1.77
US$109,149 		61,666 +2.1% 1.77 US$109,149
2008-04-03 2008-04-01 B Purchase TANG KEVIN C Large shareholder
70,000 +2.9%
1.67
US$117,194 		70,000 +2.9% 1.67 US$117,194
2008-03-31 2008-03-31 B Purchase TANG KEVIN C Large shareholder
19,000 +0.8%
1.56
US$29,655 		19,000 +0.8% 1.56 US$29,655
2008-03-31 2008-03-28 B Purchase TANG KEVIN C Large shareholder
160,000 +7.2%
1.57
US$251,008 		160,000 +7.2% 1.57 US$251,008
2008-03-31 2008-03-27 B Purchase TANG KEVIN C Large shareholder
44,794 +2.1%
1.55
US$69,278 		44,794 +2.1% 1.55 US$69,278
2007-07-26 2007-07-24 S Sale BOSTON SCIENTIFIC CORP Large shareholder
3,214,535 -100.0%
10.10
US$32,466,804 		3,214,535 -100.0% 10.10 US$32,466,804
2007-05-30 2007-05-25 S Sale GLINER BRADFORD E

Vice President, Research

Officer
4,000 -13.3%
13.50
US$54,000 		4,000 -13.3% 13.50 US$54,000
2007-05-16 2007-05-15 S Sale TREU JESSE I Non-Executive Director
379,000 -100.0%
13.20
US$5,002,800 		379,000 -100.0% 13.20 US$5,002,800
2007-05-07 2007-05-04 S Sale TREU JESSE I Non-Executive Director
15,971 -100.0%
13.00
US$207,623 		15,971 -100.0% 13.00 US$207,623
2007-03-07 2007-03-05 S Sale TREU JESSE I Non-Executive Director
9,085 -36.3%
10.92
US$99,208 		9,085 -36.3% 10.92 US$99,208
2006-11-07 2006-11-06 S Sale TREU JESSE I Non-Executive Director
12,530 -33.3%
13.10
US$164,143 		12,530 -33.3% 13.10 US$164,143
2006-11-03 2006-11-03 S Sale GLINER BRADFORD E

Vice President, Research

Officer
5,000 -14.3%
13.00
US$65,000 		5,000 -14.3% 13.00 US$65,000
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