| Relationships | Role | Relationship Start | Relationship End |
| Bokf, National Association | Parent | 9/15/1986 | 3/10/1988 |
| First Cushing Bancshares, Inc. | Parent | 12/31/1982 | 9/14/1986 |
| First Cushing Bancshares, Inc. | Parent | 12/31/1981 | 12/30/1982 |
| First Cushing Bancshares, Inc. | Parent | 12/31/1980 | 12/30/1981 |
| First Cushing Bancshares, Inc. | Parent | 12/31/1979 | 12/30/1980 |
| First Cushing Bancshares, Inc. | Parent | 9/15/1978 | 12/30/1979 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Spiritbank | Buyer | 746,578 | Failure | 3/11/1988 |