Ownership History
| ALTMAN, EDWARD; IRON BLOCK TRUST; REYNGOLD, MARINA | $1 | | 2583-1050 | 12/22/2016 |
| ALTMAN, EDWARD; REYGOLD, MARINA V | $36,000 | | 2268-0285 | 08/02/2007 |
| GILCHRIST, KAREN A | $1 | | 2250-0331 | 11/02/2006 |
| GILCHRIST, JEFFREY T; GILCHRIST, KAREN A | $17,900 | | 1037-0075 | 10/30/2000 |