GSBC - Great Southern Bancorp Inc. 2021 Q3 - Results - Earnings Call Presentation October, 21 2021 02:25 PM Great Southern Bancorp Inc. The following slide deck was published by Great Southern Bancorp, Inc. in conjunction with their 2021 Q3 earnings call. For further details see: Great Southern Bancorp, Inc. 2021 Q3 - Results - Earnings Call Presentation