| Relationships | Role | Relationship Start | Relationship End |
| Fourth Financial Corporation | Parent | 12/11/1992 | 12/31/1992 |
| Southern Bancorp, Inc. | Parent | 3/26/1990 | 12/10/1992 |
| Quatro I, Inc. | Subsidary | 12/15/1988 | 12/30/1992 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Boatmen's National Bank Of Oklahoma | Buyer | 4,092,924 | Discontinued | 1/1/1993 | |
| Harvard Bank | Seller | 23,144 | Failure | 3/31/1989 |