| Relationships | Role | Relationship Start | Relationship End |
| Flower Mound Bancshares, Inc. | Parent | 1/3/1992 | 1/31/1996 |
| Security Bank Shares, F.M. | Parent | 3/4/1988 | 3/23/1990 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Compass Bank-Dallas | Buyer | 1,224,596 | Pooling of Interests | Discontinued | 2/1/1996 |
| Flower Mound Bank | Seller | 17,444 | Failure | 3/4/1988 |