| Relationships | Role | Relationship Start | Relationship End |
| Port Financial Corp | Parent | 12/29/1999 | 7/31/2003 |
| Cambridge Bancorp | Subsidary | 12/2/2002 | 7/31/2003 |
| Cambridge Bancorp | Subsidary | 12/29/2000 | 12/1/2002 |
| Cambridge Bancorp | Subsidary | 12/29/1999 | 12/28/2000 |
| Relationships | Role | Relationship Start | Relationship End |
| Port Financial Corp | Parent | 12/29/1999 | 7/31/2003 |
| Cambridge Bancorp | Subsidary | 12/2/2002 | 7/31/2003 |
| Cambridge Bancorp | Subsidary | 12/29/2000 | 12/1/2002 |
| Cambridge Bancorp | Subsidary | 12/29/1999 | 12/28/2000 |