Ownership History
| VBR LLC | $2,000,000 | | 70584/437 | 1B | 01/29/2018 |
| WHETSTONE RIVERWORKS HOLDINGS | $10 | | 67746/484 | 1V | 08/03/2016 |
| RIVERWORKS WATERTOWN HOLDINGS | $43,000,000 | 256780 | 1454/24 | 1V | 06/06/2014 |
| FARLEY WHITE AETNA MILLS LLC | $4,447,500 | | 56120/375 | 1V | 12/21/2010 |
| BOSTON SCIENTIFIC CORPORATION | $455,000 | 192548 | 1092/196 | 1B | 03/27/1992 |