Slezak Mark

Number of records: 44
SEC FilingCompany/StockTrade DateTransactionSharesAvg. PriceTotal% HoldingsGain/Loss
14-Feb-13 4:07 PM
View: 
Nanosphere, Inc. (NSPH) 08-Feb-13Disposition (other) 10,182,600----(95%)
10.77M to 585.13K
23-Jul-12 4:08 PM
View: 
Nanosphere, Inc. (NSPH) 19-Jul-12Market Purchase 1,000,000$2.40$2,400,000.0010%
9.77M to 10.77M
(98%)
18-Jun-12 4:13 PM
View: 
Nanosphere, Inc. (NSPH) 15-Jun-12Market Purchase 229,746$2.05$470,152.002%
9.54M to 9.77M
(98%)
18-Jun-12 4:13 PM
View: 
Nanosphere, Inc. (NSPH) 14-Jun-12Market Purchase 79,329$1.98$157,048.00< 1%
9.46M to 9.54M
(98%)
14-Jun-12 4:07 PM
View: 
Nanosphere, Inc. (NSPH) 13-Jun-12Market Purchase 40,000$1.95$78,012.00< 1%
9.42M to 9.46M
(98%)
14-Jun-12 4:07 PM
View: 
Nanosphere, Inc. (NSPH) 12-Jun-12Market Purchase 10,000$1.98$19,750.00< 1%
9.41M to 9.42M
(98%)
12-Jun-12 4:10 PM
View: 
Nanosphere, Inc. (NSPH) 11-Jun-12Market Purchase 5,000$1.95$9,737.50< 1%
9.4M to 9.41M
(98%)
12-Jun-12 4:10 PM
View: 
Nanosphere, Inc. (NSPH) 08-Jun-12Market Purchase 20,000$1.96$39,110.00< 1%
9.38M to 9.4M
(98%)
08-Jun-12 4:38 PM
View: 
Nanosphere, Inc. (NSPH) 07-Jun-12Market Purchase 13,116$1.90$24,857.40< 1%
9.37M to 9.38M
(98%)
08-Jun-12 4:38 PM
View: 
Nanosphere, Inc. (NSPH) 06-Jun-12Market Purchase 15,000$1.85$27,739.50< 1%
9.36M to 9.37M
(98%)
06-Jun-12 5:25 PM
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Nanosphere, Inc. (NSPH) 05-Jun-12Market Purchase 317,500$1.75$554,641.004%
9.04M to 9.36M
(98%)
06-Jun-12 5:25 PM
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Nanosphere, Inc. (NSPH) 04-Jun-12Market Purchase 25,000$1.75$43,745.00< 1%
9.01M to 9.04M
(98%)
04-Jun-12 4:13 PM
View: 
Nanosphere, Inc. (NSPH) 01-Jun-12Market Purchase 88,900$1.71$152,348.00< 1%
8.92M to 9.01M
(98%)
04-Jun-12 4:13 PM
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Nanosphere, Inc. (NSPH) 31-May-12Market Purchase 30,000$1.69$50,814.00< 1%
8.89M to 8.92M
(98%)
31-May-12 4:05 PM
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Nanosphere, Inc. (NSPH) 29-May-12Market Purchase 10,000$1.69$16,932.00< 1%
8.88M to 8.89M
(98%)
29-May-12 4:13 PM
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Nanosphere, Inc. (NSPH) 25-May-12Market Purchase 5,505$1.70$9,382.17< 1%
8.88M to 8.88M
(98%)
29-May-12 4:13 PM
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Nanosphere, Inc. (NSPH) 24-May-12Market Purchase 35,000$1.71$59,699.50< 1%
8.84M to 8.88M
(98%)
18-Oct-11 4:11 PM
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Nanosphere, Inc. (NSPH) 14-Oct-11Market Purchase 285,235$1.10$314,928.003%
8.56M to 8.84M
(96%)
11-Jul-11 4:56 PM
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Nanosphere, Inc. (NSPH) 08-Jul-11Market Purchase 70,000$1.86$130,235.00< 1%
8.49M to 8.56M
(98%)
11-Jul-11 4:56 PM
View: 
Nanosphere, Inc. (NSPH) 07-Jul-11Market Purchase 45,000$1.86$83,758.50< 1%
8.44M to 8.49M
(98%)
30-Jun-11 4:14 PM
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Nanosphere, Inc. (NSPH) 28-Jun-11Market Purchase 100,000$1.70$169,540.001%
8.34M to 8.44M
(98%)
28-Jun-11 4:16 PM
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Nanosphere, Inc. (NSPH) 27-Jun-11Market Purchase 150,000$1.64$246,630.002%
8.19M to 8.34M
(98%)
28-Jun-11 4:16 PM
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Nanosphere, Inc. (NSPH) 24-Jun-11Market Purchase 135,000$1.57$212,571.002%
8.06M to 8.19M
(97%)
12-May-11 4:04 PM
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Nanosphere, Inc. (NSPH) 10-May-11Market Purchase 2,700,000$2.20$5,940,000.0050%
5.36M to 8.06M
(98%)
27-May-09 4:15 PM
View: 
Nanosphere, Inc. (NSPH) 22-May-09Market Purchase
Duplicate
504,500$3.05$1,538,720.0010%
4.85M to 5.36M
(99%)
18-Mar-09 4:15 PM
View: 
Nanosphere, Inc. (NSPH) 16-Mar-09Market Purchase
Duplicate
87,658$4.98$436,537.002%
4.77M to 4.85M
(99%)
16-Mar-09 4:22 PM
View: 
Nanosphere, Inc. (NSPH) 13-Mar-09Market Purchase
Duplicate
14,398$4.62$66,518.80< 1%
4.75M to 4.77M
(99%)
16-Mar-09 4:22 PM
View: 
Nanosphere, Inc. (NSPH) 12-Mar-09Market Purchase
Duplicate
1,500$3.88$5,820.00< 1%
4.75M to 4.75M
(99%)
12-Mar-09 4:23 PM
View: 
Nanosphere, Inc. (NSPH) 11-Mar-09Market Purchase
Duplicate
27,164$3.80$103,223.00< 1%
4.72M to 4.75M
(99%)
12-Mar-09 4:23 PM
View: 
Nanosphere, Inc. (NSPH) 10-Mar-09Market Purchase
Duplicate
8,857$3.35$29,670.90< 1%
4.71M to 4.72M
(99%)
10-Mar-09 4:08 PM
View: 
Nanosphere, Inc. (NSPH) 09-Mar-09Market Purchase
Duplicate
16,657$3.04$50,637.30< 1%
4.7M to 4.71M
(99%)
10-Mar-09 4:08 PM
View: 
Nanosphere, Inc. (NSPH) 06-Mar-09Market Purchase
Duplicate
8,530$2.84$24,225.20< 1%
4.69M to 4.7M
(99%)
15-Dec-08 5:12 PM
View: 
Nanosphere, Inc. (NSPH) 12-Dec-08Market Purchase
Duplicate
19,958$4.91$98,025.70< 1%
4.67M to 4.69M
(99%)
15-Dec-08 5:12 PM
View: 
Nanosphere, Inc. (NSPH) 11-Dec-08Market Purchase
Duplicate
38,294$4.40$168,402.00< 1%
4.63M to 4.67M
(99%)
11-Dec-08 4:31 PM
View: 
Nanosphere, Inc. (NSPH) 10-Dec-08Market Purchase
Duplicate
7,040$4.08$28,741.50< 1%
4.62M to 4.63M
(99%)
11-Dec-08 4:31 PM
View: 
Nanosphere, Inc. (NSPH) 09-Dec-08Market Purchase
Duplicate
3,188$4.38$13,976.50< 1%
4.62M to 4.62M
(99%)
08-Dec-08 4:53 PM
View: 
Nanosphere, Inc. (NSPH) 05-Dec-08Market Purchase
Duplicate
2,368$3.50$8,294.87< 1%
4.62M to 4.62M
(99%)
08-Dec-08 4:53 PM
View: 
Nanosphere, Inc. (NSPH) 04-Dec-08Market Purchase
Duplicate
27,534$3.62$99,664.80< 1%
4.59M to 4.62M
(99%)
04-Dec-08 5:31 PM
View: 
Nanosphere, Inc. (NSPH) 02-Dec-08Market Purchase
Duplicate
13,460$3.50$47,077.70< 1%
4.58M to 4.59M
(99%)
08-Nov-07 4:53 PM
View: 
Nanosphere, Inc. (NSPH) 06-Nov-07Conversion 22,857----< 1%
3.04M to 3.06M
08-Nov-07 4:53 PM
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Nanosphere, Inc. (NSPH) 06-Nov-07Conversion 4,581,820----150%
3.06M to 7.64M
08-Nov-07 4:53 PM
View: 
Nanosphere, Inc. (NSPH) 06-Nov-07Acquisition (other) 1,467----< 1%
7.64M to 7.64M
08-Nov-07 4:53 PM
View: 
Nanosphere, Inc. (NSPH) 06-Nov-07Acquisition (other) 294,237----4%
7.64M to 7.94M
08-Nov-07 4:53 PM
View: 
Nanosphere, Inc. (NSPH) 06-Nov-07Exercise (in-the money or at-the-money)
Duplicate
114,809$8.75$1,004,580.001%
7.94M to 8.05M