| Relationships | Role | Relationship Start | Relationship End |
| American Bancorp Of Oklahoma, Inc. | Parent | 12/31/1997 | 5/8/2002 |
| American Bancorp Of Oklahoma, Inc. | Parent | 9/14/1995 | 12/30/1997 |
| American Bancorp Of Oklahoma, Inc. | Parent | 9/30/1994 | 9/13/1995 |
| American Bancorp Of Oklahoma, Inc. | Parent | 12/31/1993 | 9/29/1994 |
| American Bancorp Of Oklahoma, Inc. | Parent | 8/6/1993 | 12/30/1993 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Prosperity Bank | Buyer | 21,390,286 | Acquisition | Discontinued | 5/9/2002 |