| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jul 19, 2012 | Buy | $2.40 | 1,000,000 | 2,400,000 | 5,006,136 | Jul 23, 2012, 04:08 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jun 14, 2012 | Buy | $1.98 | 79,329 | 157,048 | 2,044,350 | Jun 18, 2012, 04:13 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jun 15, 2012 | Buy | $2.05 | 229,746 | 470,152 | 2,274,096 | Jun 18, 2012, 04:13 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jun 13, 2012 | Buy | $1.95 | 40,000 | 78,012 | 1,965,021 | Jun 14, 2012, 04:07 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jun 12, 2012 | Buy | $1.98 | 10,000 | 19,750 | 1,925,021 | Jun 14, 2012, 04:07 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jun 08, 2012 | Buy | $1.96 | 20,000 | 39,110 | 1,910,021 | Jun 12, 2012, 04:10 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jun 11, 2012 | Buy | $1.95 | 5,000 | 9,737 | 1,915,021 | Jun 12, 2012, 04:10 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jun 06, 2012 | Buy | $1.85 | 15,000 | 27,740 | 1,876,905 | Jun 08, 2012, 04:38 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jun 07, 2012 | Buy | $1.90 | 13,116 | 24,857 | 1,890,021 | Jun 08, 2012, 04:38 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jun 04, 2012 | Buy | $1.75 | 25,000 | 43,745 | 1,544,405 | Jun 06, 2012, 05:25 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jun 05, 2012 | Buy | $1.75 | 317,500 | 554,641 | 1,861,905 | Jun 06, 2012, 05:25 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | May 31, 2012 | Buy | $1.69 | 30,000 | 50,814 | 1,430,505 | Jun 04, 2012, 04:13 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jun 01, 2012 | Buy | $1.71 | 88,900 | 152,348 | 1,519,405 | Jun 04, 2012, 04:13 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | May 29, 2012 | Buy | $1.69 | 10,000 | 16,932 | 1,400,505 | May 31, 2012, 04:05 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | May 25, 2012 | Buy | $1.70 | 5,505 | 9,382 | 1,390,505 | May 29, 2012, 04:13 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | May 24, 2012 | Buy | $1.71 | 35,000 | 59,700 | 1,385,000 | May 29, 2012, 04:13 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Oct 14, 2011 | Buy | $1.10 | 285,235 | 314,928 | 2,902,407 | Oct 18, 2011, 04:11 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jul 07, 2011 | Buy | $1.86 | 45,000 | 83,758 | 454,324 | Jul 11, 2011, 04:56 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jul 08, 2011 | Buy | $1.86 | 70,000 | 130,235 | 524,324 | Jul 11, 2011, 04:56 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jun 28, 2011 | Buy | $1.70 | 100,000 | 169,540 | 409,324 | Jun 30, 2011, 04:14 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jun 24, 2011 | Buy | $1.57 | 135,000 | 212,571 | 159,324 | Jun 28, 2011, 04:16 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | Jun 27, 2011 | Buy | $1.64 | 150,000 | 246,630 | 309,324 | Jun 28, 2011, 04:16 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | May 10, 2011 | Buy | $2.20 | 1,350,000 | 2,970,000 | 2,617,172 | May 12, 2011, 04:04 PM | |
| NSPH | NANOSPHERE INC | SLEZAK MARK | Director | May 10, 2011 | Buy | $2.20 | 1,350,000 | 2,970,000 | 1,350,000 | May 12, 2011, 04:04 PM |
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