Ownership History
| AHSC ROBERTSON LIMITED PARTNERSHIP | $5,284,022 | | 24201/0128 | 1Q | 12/21/2017 |
| WEIR ROBERTSON LIMITED PARTNERSHIP | $975,000 | | 12904/0219 | 1O | 10/14/2003 |
| MELO CARLOS R, OCTAVIO & NORTE J TRS | $1 | | 11060/0192 | 1A | 10/11/2002 |
| MELO CARLOS ET ALI TRS | $310,000 | | 7741/2962 | G | 07/01/1998 |