FORM 8-K

Company

BLACK HILLS CORP /SD/

Filed

August 26, 2021

Period of Report

August 23, 2021

Accession Number

0001104659-21-109815

An 8-K is a current report used to announce material events that shareholders should know about — such as earnings releases, mergers, executive changes, or bankruptcy. Learn more about 8-K filings →