# Filing Detail

Form 8-K - Current report:
SEC Accession No. 0001104659-25-080276
Filing Date
2025-08-19
Accepted
2025-08-19 16:22:47
Documents
37
Period of Report
2025-08-18
Items
Item 1.01: Entry into a Material Definitive Agreement
Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 8-K | tm2523729d1_8k.htm iXBRL | 8-K | 68142
2 | EXHIBIT 2.1 | tm2523729d1_ex2-1.htm | EX-2.1 | 878689
3 | EXHIBIT 3.1 | tm2523729d1_ex3-1.htm | EX-3.1 | 6136
4 | EXHIBIT 10.1 | tm2523729d1_ex10-1.htm | EX-10.1 | 54837
5 | EXHIBIT 10.2 | tm2523729d1_ex10-2.htm | EX-10.2 | 10960
6 | EXHIBIT 99.1 | tm2523729d1_ex99-1.htm | EX-99.1 | 43935
7 | EXHIBIT 99.2 | tm2523729d1_ex99-2.htm | EX-99.2 | 34222
11 | GRAPHIC | tm2523729d1_ex99-1img01.jpg | GRAPHIC | 2776
12 | GRAPHIC | tm2523729d1_ex99-1img02.jpg | GRAPHIC | 8296
13 | GRAPHIC | tm2523729d1_ex99-2img001.jpg | GRAPHIC | 278591
14 | GRAPHIC | tm2523729d1_ex99-2img002.jpg | GRAPHIC | 461190
15 | GRAPHIC | tm2523729d1_ex99-2img003.jpg | GRAPHIC | 121804
16 | GRAPHIC | tm2523729d1_ex99-2img004.jpg | GRAPHIC | 232755
17 | GRAPHIC | tm2523729d1_ex99-2img005.jpg | GRAPHIC | 184583
18 | GRAPHIC | tm2523729d1_ex99-2img006.jpg | GRAPHIC | 206557
19 | GRAPHIC | tm2523729d1_ex99-2img007.jpg | GRAPHIC | 128288
20 | GRAPHIC | tm2523729d1_ex99-2img008.jpg | GRAPHIC | 149075
21 | GRAPHIC | tm2523729d1_ex99-2img009.jpg | GRAPHIC | 234156
22 | GRAPHIC | tm2523729d1_ex99-2img010.jpg | GRAPHIC | 200696
23 | GRAPHIC | tm2523729d1_ex99-2img011.jpg | GRAPHIC | 172950
24 | GRAPHIC | tm2523729d1_ex99-2img012.jpg | GRAPHIC | 214482
25 | GRAPHIC | tm2523729d1_ex99-2img013.jpg | GRAPHIC | 209067
26 | GRAPHIC | tm2523729d1_ex99-2img014.jpg | GRAPHIC | 117396
27 | GRAPHIC | tm2523729d1_ex99-2img015.jpg | GRAPHIC | 224916
28 | GRAPHIC | tm2523729d1_ex99-2img016.jpg | GRAPHIC | 212403
29 | GRAPHIC | tm2523729d1_ex10-2img01.jpg | GRAPHIC | 9712
| Complete submission text file | 0001104659-25-080276.txt |  | 6135161

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
8 | XBRL TAXONOMY EXTENSION SCHEMA | bkh-20250818.xsd | EX-101.SCH | 3029
9 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | bkh-20250818_lab.xml | EX-101.LAB | 34239
10 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | bkh-20250818_pre.xml | EX-101.PRE | 22369
39 | EXTRACTED XBRL INSTANCE DOCUMENT | tm2523729d1_8k_htm.xml | XML | 3673

Mailing Address 7001 MT RUSHMORE RD PO BOX 1400 RAPID SD 57709
Business Address 7001 MT RUSHMORE RD PO BOX 1400 RAPID CITY SD 57709 6057212343
BLACK HILLS CORP /SD/ (Filer) CIK: 0001130464 (see all company filings)

EIN.: 460458824 | State of Incorp.: SD | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-31303 | Film No.: 251232098
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)