BLACK HILLS CORP /SD/ — 4 Filings
2,115 4 filings on record
This page lists all 4 filings submitted to the SEC by BLACK HILLS CORP /SD/ (BKH), sorted by most recent first. Each row links to the full filing on EdgarLookup. BLACK HILLS CORP /SD/ has filed 2,115 4 documents with the SEC since 2016. To view all SEC filings by BLACK HILLS CORP /SD/, see the full filings list.
All
10-K
10-K/A
10-K405
10-K405/A
10-Q
10-Q/A
11-K
144
25-NSE
3
305B2
35-CERT
4
4/A
424B2
424B3
424B4
424B5
424B7
425
5
8-A12B
8-K
8-K/A
ARS
CERTNYS
CORRESP
DEF 14A
DEFA14A
DEFR14A
DRS
EFFECT
FWP
POSASR
PRE 14A
RW
S-1
S-1/A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13G
SC 13G/A
SCHEDULE 13G/A
SE
U-1
U-1/A
U-3A-2
U-6B-2
U-9C-3
U5A
U5A/A
U5B
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | PRIMARY DOCUMENT | 0001130464-26-000046 | Feb 18, 2026 | Dec 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001130464-26-000042 | Feb 13, 2026 | Feb 12, 2026 |
| 4 | PRIMARY DOCUMENT | 0001130464-26-000043 | Feb 13, 2026 | Feb 12, 2026 |
| 4 | PRIMARY DOCUMENT | 0001130464-26-000041 | Feb 13, 2026 | Feb 12, 2026 |
| 4 | PRIMARY DOCUMENT | 0001130464-26-000035 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001130464-26-000033 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001130464-26-000028 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001130464-26-000037 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001130464-26-000029 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001130464-26-000034 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001130464-25-000015 | Nov 12, 2025 | Nov 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0001130464-25-000013 | Nov 10, 2025 | Nov 7, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000975 | Aug 21, 2025 | Aug 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000575 | May 2, 2025 | May 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000574 | May 2, 2025 | May 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000580 | May 2, 2025 | May 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000578 | May 2, 2025 | May 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000582 | May 2, 2025 | May 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000576 | May 2, 2025 | May 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000581 | May 2, 2025 | May 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000579 | May 2, 2025 | May 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000573 | May 2, 2025 | May 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000241 | Feb 20, 2025 | Feb 18, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000232 | Feb 14, 2025 | Feb 12, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000230 | Feb 14, 2025 | Feb 12, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000228 | Feb 14, 2025 | Feb 12, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000229 | Feb 14, 2025 | Feb 12, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000203 | Feb 13, 2025 | Feb 11, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000204 | Feb 13, 2025 | Feb 11, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000205 | Feb 13, 2025 | Feb 11, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000207 | Feb 13, 2025 | Feb 11, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000193 | Feb 10, 2025 | Feb 7, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000190 | Feb 10, 2025 | Feb 7, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000194 | Feb 10, 2025 | Feb 7, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000192 | Feb 10, 2025 | Feb 7, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000195 | Feb 10, 2025 | Feb 7, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000191 | Feb 10, 2025 | Feb 7, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-001359 | Nov 12, 2024 | Nov 8, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000786 | Jun 3, 2024 | May 30, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000668 | May 2, 2024 | Apr 30, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000677 | May 2, 2024 | Apr 30, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000670 | May 2, 2024 | Apr 30, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000671 | May 2, 2024 | Apr 30, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000672 | May 2, 2024 | Apr 30, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000673 | May 2, 2024 | Apr 30, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000669 | May 2, 2024 | Apr 30, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000674 | May 2, 2024 | Apr 30, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000675 | May 2, 2024 | Apr 30, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000441 | Mar 6, 2024 | Mar 5, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000265 | Feb 13, 2024 | Jan 10, 2024 |