| Relationships | Role | Relationship Start | Relationship End |
| Tulbancorp, Inc. | Parent | 12/31/1981 | 12/30/1993 |
| Tulbancorp, Inc. | Parent | 12/29/1978 | 12/30/1981 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Liberty Bank And Trust Company Of Tulsa, National Association | Buyer | 1,118,753 | Discontinued | 12/31/1993 | |
| North Side State Bank | Seller | 20,375 | Failure | 12/15/1989 |