0001593968-21-001505.txt : 20210601 0001593968-21-001505.hdr.sgml : 20210601 20210601172243 ACCESSION NUMBER: 0001593968-21-001505 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210528 FILED AS OF DATE: 20210601 DATE AS OF CHANGE: 20210601 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Roberts Rebecca B CENTRAL INDEX KEY: 0001355580 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-31303 FILM NUMBER: 21986549 MAIL ADDRESS: STREET 1: 1000 LOUISIANA STREET 2: SUITE 5800 CITY: HOUSTON STATE: TX ZIP: 77002 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 2021-05-28 0001130464 BLACK HILLS CORP /SD/ BKH 0001355580 Roberts Rebecca B PO BOX 1400 RAPID CITY SD 57709 true false false false Common Stock 2021-06-01 4 I false 14.3090 65.9017 A 4777.3074 D Phantom Stock Unit 2021-05-28 4 A false 398.9968 65.79 A Common Stock 398.9968 18429.2864 I By Trust Phantom Stock Unit 2021-06-01 4 A false 158.0012 65.9017 A Common Stock 158.0012 18587.2876 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 2021-06-01