| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2009-07-23 | SHEEDY CHARLES E | Opexa Therapeutics, Inc. | 1,356,408 | 10.6% | EDGAR |
| SC 13G/A | 2009-02-17 | Victory Park Capital Advisors, LLC | Opexa Therapeutics, Inc. | 320,000 | 2.5% | EDGAR |
| SC 13G/A | 2009-02-17 | ROTH MICHAEL | Opexa Therapeutics, Inc. | 851,514 | 6.7% | EDGAR |
| SC 13G/A | 2008-10-10 | MARXE AUSTIN W & GREENHOUSE DAVID M | Opexa Therapeutics, Inc. | 500,000 | 3.9% | EDGAR |
| SC 13G | 2008-09-24 | ROTH MICHAEL | Opexa Therapeutics, Inc. | 859,674 | 6.7% | EDGAR |
| SC 13G | 2008-08-22 | SHEEDY CHARLES E | Opexa Therapeutics, Inc. | 754,054 | 6.1% | EDGAR |
| SC 13G | 2008-08-19 | LEHMAN BROTHERS HOLDINGS INC | Opexa Therapeutics, Inc. | 675,675 | 5.5% | EDGAR |
| SC 13D/A | 2008-03-13 | Albert & Margaret Alkek Foundation | Opexa Therapeutics, Inc. | 1,047,674 | 10.0% | EDGAR |
| SC 13G | 2008-03-07 | MARXE AUSTIN W & GREENHOUSE DAVID M | Opexa Therapeutics, Inc. | 1,296,607 | 18.4% | EDGAR |
| SC 13G/A | 2008-02-14 | Victory Park Master Fund, Ltd. | Opexa Therapeutics, Inc. | 671,546 | 10.0% | EDGAR |
| SC 13G | 2008-02-14 | ROTH MICHAEL | Opexa Therapeutics, Inc. | 989,550 | 14.8% | EDGAR |
| SC 13G/A | 2008-02-12 | Magnetar Financial LLC | Opexa Therapeutics, Inc. | 0 | 0.0% | EDGAR |
| SC 13G | 2007-10-01 | Jacob Capital, L.L.C. | Opexa Therapeutics, Inc. | 668,315 | 9.9% | EDGAR |
| SC 13G | 2007-10-01 | Levy Richard N | Opexa Therapeutics, Inc. | 668,315 | 9.9% | EDGAR |
| SC 13G | 2007-10-01 | Victory Park Capital Advisors, LLC | Opexa Therapeutics, Inc. | 668,315 | 9.9% | EDGAR |
| SC 13G | 2007-10-01 | Victory Park Master Fund, Ltd. | Opexa Therapeutics, Inc. | 668,315 | 9.9% | EDGAR |
| SC 13G | 2007-02-14 | Magnetar Financial LLC | Opexa Therapeutics, Inc. | 668,315 | 9.9% | EDGAR |
| SC 13G | 2006-07-10 | Magnetar Financial LLC | Opexa Therapeutics, Inc. | 668,315 | 9.9% | EDGAR |
| SC 13D | 2006-05-26 | MARLETT CHRISTOPHER A | PharmaFrontiers Corp. | 4,166,750 | 6.0% | EDGAR |
| SC 13D/A | 2006-05-05 | Albert & Margaret Alkek Foundation | PharmaFrontiers Corp. | 8,009,724 | 11.5% | EDGAR |