0001593968-21-000718.txt : 20210302 0001593968-21-000718.hdr.sgml : 20210302 20210302180629 ACCESSION NUMBER: 0001593968-21-000718 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210226 FILED AS OF DATE: 20210302 DATE AS OF CHANGE: 20210302 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Granger Barry M CENTRAL INDEX KEY: 0001828002 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-31303 FILM NUMBER: 21705751 MAIL ADDRESS: STREET 1: PO BOX 1400 CITY: RAPID CITY STATE: SD ZIP: 57709 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: BLACK HILLS CORP /SD/ CENTRAL INDEX KEY: 0001130464 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC SERVICES [4911] IRS NUMBER: 460458824 STATE OF INCORPORATION: SD FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 7001 MT RUSHMORE RD STREET 2: PO BOX 1400 CITY: RAPID CITY STATE: SD ZIP: 57709 BUSINESS PHONE: 6057212343 MAIL ADDRESS: STREET 1: 7001 MT RUSHMORE RD STREET 2: PO BOX 1400 CITY: RAPID STATE: SD ZIP: 57709 FORMER COMPANY: FORMER CONFORMED NAME: BLACK HILLS HOLDING CORP DATE OF NAME CHANGE: 20001222 4 1 primary_01.xml PRIMARY DOCUMENT X0306 4 2021-02-26 0001130464 BLACK HILLS CORP /SD/ BKH 0001828002 Granger Barry M PO BOX 1400 RAPID CITY SD 57709 true false false false Common Stock 2021-03-01 4 I false 1.6680 60.6721 A 180.7511 D Phantom Stock Unit 2021-02-26 4 A false 443.7120 59.16 A Common Stock 443.7120 734.0517 I By Trust Phantom Stock Unit 2021-03-01 4 A false 6.8357 60.6721 A Common Stock 6.8357 740.8874 I By Trust 1 for 1 conversion ratio Derivative security is exercisable upon retirement under terms of the agreement. Derivative security expires upon retirement under terms of the agreement. /s/Lorna J. Gunderman 2021-03-02