| Relationships | Role | Relationship Start | Relationship End |
| Inter-Mountain Bancorp., Inc. | Parent | 6/12/2015 | 10/28/2016 |
| Teton Bancshares, Inc. | Parent | 2/20/2010 | 6/11/2015 |
| Choteau Bancorporation, Inc. | Parent | 6/30/1984 | 2/19/2010 |
| Choteau Bancorporation, Inc. | Parent | 5/31/1983 | 6/29/1984 |
| Teton Insurance And Investments, Inc. | Subsidary | 2/20/2010 | 6/11/2015 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| First Security Bank | Buyer | 811,072 | Pooling of Interests | Discontinued | 10/29/2016 |
| The First National Bank Of Fairfield | Seller | 93,041 | Pooling of Interests | Discontinued | 2/20/2010 |