| Relationships | Role | Relationship Start | Relationship End |
| Bokf, National Association | Parent | 5/13/1987 | 3/24/1989 |
| American National Bancshares, Inc. | Parent | 12/31/1981 | 5/12/1987 |
| American National Bancshares, Inc. | Parent | 12/5/1977 | 12/30/1981 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bokf, National Association | Buyer | 32,669,391 | Discontinued | 3/25/1989 |