| Relationships | Role | Relationship Start | Relationship End |
| Napsub Corporation | Parent | 10/1/1982 | 6/25/1988 |
| First Naperville Bancorporation, Inc. | Parent | 2/25/1980 | 9/30/1982 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Northern Trust Bank/Dupage | Buyer | 382,138 | Discontinued | 6/26/1988 |