The following are a list of major historical events for PremierBank, including mergers and acquisitions.
|1863-10-27||Institution established: Original name:The First National Bank of Fort Atkinson|
|1975-11-28||Changed name to First American Bank & Trust Co.|
|1999-01-01||Acquired Jefferson County Bank (10006) in JEFFERSON, WI|
|1999-02-01||Changed name to Premier Bank|
|2003-11-14||Changed name to PremierBank|
|2017-09-22||Acquired Commercial Bank (12518) in WHITEWATER, WI|