| Relationships | Role | Relationship Start | Relationship End |
| Grand Bancshares, Inc. | Parent | 1/3/1984 | 12/8/1988 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Comerica Bank - Texas | Buyer | 4,562,763 | Discontinued | 12/9/1988 | |
| Grand Bank Stemmons At Regal Row, National Association | Seller | 30,837 | Discontinued | 9/11/1987 | |
| Grand Bank Central At Fitzhugh, National Association | Seller | 41,891 | Discontinued | 9/11/1987 | |
| Grand Bank - Woodall Rodgers, National Association | Seller | 54,779 | Discontinued | 9/11/1987 |