| Relationships | Role | Relationship Start | Relationship End |
| Texas American Bancshares Inc. | Parent | 1/20/1986 | 7/20/1989 |
| Houston Bancshares Inc | Parent | 3/7/1983 | 1/19/1986 |
| East Texas Bancshares, Inc. | Parent | 12/31/1982 | 3/6/1983 |
| East Texas Bancshares, Inc. | Parent | 7/31/1979 | 12/30/1982 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Team Bank, National Association | Buyer | 3,594,218 | Failure | 7/21/1989 |