| Relationships | Role | Relationship Start | Relationship End |
| Iowa River Bancorp, Inc. | Parent | 7/16/2009 | |
| Tama Bancshares, Inc. | Parent | 6/30/2007 | 7/15/2009 |
| Tama Bancshares, Inc. | Parent | 10/26/2004 | 6/29/2007 |
| Relationships | Role | Relationship Start | Relationship End |
| Iowa River Bancorp, Inc. | Parent | 7/16/2009 | |
| Tama Bancshares, Inc. | Parent | 6/30/2007 | 7/15/2009 |
| Tama Bancshares, Inc. | Parent | 10/26/2004 | 6/29/2007 |