| Relationships | Role | Relationship Start | Relationship End |
| Ust Corp. | Parent | 1/3/1983 | 8/10/1990 |
| Lexington Savings Corp | Subsidary | 10/11/1989 | 8/10/1990 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Ustrust | Buyer | 5,732,885 | Discontinued | 8/11/1990 | |
| Ustrust/Essex | Seller | 150,729 | Discontinued | 10/1/1988 | |
| Natick Trust Company | Seller | 53,712 | Discontinued | 1/1/1985 |