0001593968-18-000655.txt : 20180405 0001593968-18-000655.hdr.sgml : 20180405 20180405135601 ACCESSION NUMBER: 0001593968-18-000655 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180404 FILED AS OF DATE: 20180405 DATE AS OF CHANGE: 20180405 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Massman Linda K CENTRAL INDEX KEY: 0001450645 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-31303 FILM NUMBER: 18740110 BUSINESS ADDRESS: BUSINESS PHONE: 509-835-1500 MAIL ADDRESS: STREET 1: 601 W. FIRST AVE STREET 2: SUITE 1600 CITY: SPOKANE STATE: WA ZIP: 99201 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 2018-04-04 0001130464 BLACK HILLS CORP /SD/ BKH 0001450645 Massman Linda K PO BOX 1400 RAPID CITY SD 57709 true false false false Common Stock 2018-04-04 4 I false 59.3940 54.37 A 2241.4611 D Phantom Stock Unit Common Stock 4955.6370 4955.6370 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 2018-04-05