| Relationships | Role | Relationship Start | Relationship End |
| Wisconsin Bancshares, Inc. | Parent | 6/30/1994 | 6/23/2000 |
| Wisconsin Bancshares, Inc. | Parent | 9/1/1993 | 6/29/1994 |
| Security Bancorporation, Inc. | Parent | 6/29/1990 | 8/31/1993 |
| Security Bancorporation, Inc. | Parent | 12/31/1989 | 6/28/1990 |
| Security Bancorporation, Inc. | Parent | 12/29/1986 | 12/30/1989 |
| Hudson Bancshares Corporation | Parent | 6/30/1983 | 12/28/1986 |
| Hudson Bancshares Corporation | Parent | 6/30/1982 | 6/29/1983 |
| Hudson Bancshares Corporation | Parent | 1/20/1981 | 6/29/1982 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Norwest Bank Wisconsin | Buyer | 515,557 | Pooling of Interests | Discontinued | 6/24/2000 |