| Date | Open | Close | Volume |
| 2010-03-02 | 0.13 | 0.16 | 18031700 |
| 2010-03-01 | 0.10 | 0.12 | 2317900 |
| 2010-02-26 | 0.12 | 0.11 | 5452400 |
| 2010-02-25 | 0.13 | 0.12 | 1652200 |
| 2010-02-24 | 0.15 | 0.12 | 1759300 |
| 2010-02-23 | 0.13 | 0.13 | 650400 |
| 2010-02-22 | 0.13 | 0.13 | 1646600 |
| 2010-02-19 | 0.13 | 0.13 | 5917600 |
| 2010-02-18 | 0.12 | 0.13 | 1650000 |
| 2010-02-17 | 0.12 | 0.12 | 984700 |
| 2010-02-16 | 0.13 | 0.12 | 1009800 |
| 2010-02-12 | 0.13 | 0.13 | 696300 |
| 2010-02-11 | 0.12 | 0.13 | 382200 |
| 2010-02-10 | 0.12 | 0.13 | 413800 |
| 2010-02-09 | 0.13 | 0.12 | 765900 |
| 2010-02-08 | 0.13 | 0.13 | 795700 |
| 2010-02-05 | 0.13 | 0.13 | 687900 |
| 2010-02-04 | 0.11 | 0.13 | 893200 |
| 2010-02-03 | 0.13 | 0.13 | 896200 |
| 2010-02-02 | 0.15 | 0.14 | 1249700 |
| 2010-02-01 | 0.14 | 0.14 | 1047900 |
| 2010-01-29 | 0.15 | 0.14 | 4943700 |
| 2010-01-28 | 0.15 | 0.14 | 3959900 |
| 2010-01-27 | 0.10 | 0.13 | 9880900 |
| 2010-01-26 | 0.13 | 0.11 | 10060500 |
| 2010-01-25 | 0.14 | 0.17 | 5893800 |
| 2010-01-22 | 0.20 | 0.19 | 1399600 |
| 2010-01-21 | 0.20 | 0.19 | 1877600 |
| 2010-01-20 | 0.21 | 0.20 | 1756100 |
| 2010-01-19 | 0.20 | 0.21 | 3176300 |
| 2010-01-15 | 0.23 | 0.21 | 4482200 |
| 2010-01-14 | 0.23 | 0.22 | 7984100 |
Other Companies: 10-17-2008-1 | Maxwell Technologies Inc. | 01-28-2009-1
ATMI Inc. | 04-17-2007 | Taylor Capital Group Inc.