0001593968-24-000247.txt : 20240213 0001593968-24-000247.hdr.sgml : 20240213 20240213104135 ACCESSION NUMBER: 0001593968-24-000247 CONFORMED SUBMISSION TYPE: 5 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231231 FILED AS OF DATE: 20240213 DATE AS OF CHANGE: 20240213 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Taylor Teresa CENTRAL INDEX KEY: 0001443289 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 5 SEC ACT: 1934 Act SEC FILE NUMBER: 001-31303 FILM NUMBER: 24623349 MAIL ADDRESS: STREET 1: FIRST INTERSTATE BANCSYSTEM, INC STREET 2: PO BOX 30918 CITY: BILLINGS STATE: MT ZIP: 59116-0918 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: BLACK HILLS CORP /SD/ CENTRAL INDEX KEY: 0001130464 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC SERVICES [4911] ORGANIZATION NAME: 01 Energy & Transportation 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 5 1 primary_01.xml PRIMARY DOCUMENT X0508 5 2023-12-31 0 0 0001130464 BLACK HILLS CORP /SD/ BKH 0001443289 Taylor Teresa PO BOX 1400 RAPID CITY SD 57709 true false false false false Common Stock 2023-12-31 5 I false 103.1488 0 A 6525.0023 D Phantom Stock Unit 2023-12-31 5 A false 402.8204 0 A Common Stock 402.8204 9422.1287 I By Trust Shares acquired through the Company's Dividend Reinvestment Plan. 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/Amy Koenig 2024-02-13