| Relationships | Role | Relationship Start | Relationship End |
| Bokf, National Association | Parent | 5/23/1988 | 12/14/1989 |
| North Side Bancshares, Inc. | Parent | 12/31/1984 | 5/16/1988 |
| North Side Bancshares, Inc. | Parent | 12/29/1980 | 12/30/1984 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bank Of Tulsa | Buyer | 65,911 | Failure | 12/15/1989 |