Ownership History
| CHOUDHRY, BABAR; KHANUM, SHAISTA | $475,000 | | 2410-0369 | 07/29/2011 |
| FRANKEL, RICHARD L; SUSSMAN, TODD B | $650,000 | | 2181-1779 | 10/11/2005 |
| ISIS INTERNATIONAL INC | $365,000 | | 1466-0235 | 02/13/2002 |
| LANGFORD J F & ZIMMERMAN C E | $1 | | 1584-0325 | 12/14/1994 |
| MAYDAK J & K | $250,000 | | 1491-0820 | 12/30/1992 |