| Relationships | Role | Relationship Start | Relationship End |
| Ameribanc, Inc. | Parent | 4/30/1992 | 5/15/1998 |
| Ameribanc, Inc. | Parent | 12/31/1984 | 4/29/1992 |
| Ameribanc, Inc. | Parent | 12/31/1982 | 12/30/1984 |
| Ameribanc, Inc. | Parent | 4/2/1976 | 12/30/1982 |
| First American Bancshares, Inc. | Parent | 5/27/1968 | 4/1/1976 |
| First Bancorporation, Inc. | Parent | 12/31/1970 | 9/5/1972 |
| Missouri Bancorporation, Inc. | Parent | 12/31/1970 | 9/5/1972 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Mercantile Bank | Buyer | 1,716,782 | Pooling of Interests | Discontinued | 5/16/1998 |
| American Bank Of Tarkio, N.A. | Seller | 24,729 | Discontinued | 7/1/1986 |