BLACK HILLS CORP /SD/ — All Filings
1,003 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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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 | 0001593968-25-000205 | Feb 13, 2025 | Feb 11, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000207 | Feb 13, 2025 | Feb 11, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000203 | Feb 13, 2025 | Feb 11, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000204 | Feb 13, 2025 | Feb 11, 2025 |
| 10-K | 10-K | 0000950170-25-018647 | Feb 12, 2025 | Dec 31, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000195 | Feb 10, 2025 | Feb 7, 2025 |
| 5 | PRIMARY DOCUMENT | 0001593968-25-000180 | Feb 10, 2025 | Dec 31, 2024 |
| 5 | PRIMARY DOCUMENT | 0001593968-25-000182 | Feb 10, 2025 | Dec 31, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000190 | Feb 10, 2025 | Feb 7, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000191 | Feb 10, 2025 | Feb 7, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000192 | Feb 10, 2025 | Feb 7, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000193 | Feb 10, 2025 | Feb 7, 2025 |
| 4 | PRIMARY DOCUMENT | 0001593968-25-000194 | Feb 10, 2025 | Feb 7, 2025 |
| 8-K | 8-K | 0000950170-25-015599 | Feb 7, 2025 | Jan 31, 2025 |
| 8-K | 8-K | 0000950170-25-014567 | Feb 5, 2025 | — |
| SCHEDULE 13G/A | — | 0002012383-25-001268 | Feb 5, 2025 | — |
| 3 | PRIMARY DOCUMENT | 0001593968-24-001396 | Nov 19, 2024 | Nov 13, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-001359 | Nov 12, 2024 | Nov 8, 2024 |
| 3 | PRIMARY DOCUMENT | 0001593968-24-001343 | Nov 7, 2024 | — |
| 10-Q | 10-Q | 0000950170-24-122969 | Nov 7, 2024 | Sep 30, 2024 |
| 8-K | 8-K | 0000950170-24-122363 | Nov 6, 2024 | — |
| 8-K | 8-K | 0000950170-24-119821 | Nov 1, 2024 | Oct 28, 2024 |
| 8-K | 8-K | 0000950170-24-095429 | Aug 12, 2024 | Aug 9, 2024 |
| 10-Q | 10-Q | 0000950170-24-089042 | Aug 1, 2024 | Jun 30, 2024 |
| 8-K | 8-K | 0000950170-24-088610 | Jul 31, 2024 | — |
| 11-K | 11-K | 0000950170-24-075416 | Jun 20, 2024 | Dec 31, 2023 |
| 8-K | 8-K | 0000950170-24-069365 | Jun 5, 2024 | May 31, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000786 | Jun 3, 2024 | May 30, 2024 |
| 144 | — | 0001958244-24-002244 | May 30, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-062524 | May 16, 2024 | May 13, 2024 |
| 424B2 | 424B2 | 0001104659-24-061208 | May 14, 2024 | — |
| 424B5 | 424B5 | 0001104659-24-060257 | May 13, 2024 | — |
| FWP | FWP | 0001104659-24-060533 | May 13, 2024 | — |
| 10-Q | 10-Q | 0000950170-24-056459 | May 9, 2024 | Mar 31, 2024 |
| 8-K | 8-K | 0000950170-24-055713 | May 8, 2024 | — |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000669 | May 2, 2024 | Apr 30, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000673 | May 2, 2024 | Apr 30, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000668 | May 2, 2024 | Apr 30, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000674 | 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 | 0001593968-24-000675 | May 2, 2024 | Apr 30, 2024 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000677 | May 2, 2024 | Apr 30, 2024 |
| 8-K | 8-K | 0000950170-24-048746 | Apr 26, 2024 | Apr 23, 2024 |
| 8-K | 8-K | 0000950170-24-048335 | Apr 25, 2024 | Apr 24, 2024 |
| DEF 14A | DEF 14A | 0000950170-24-032219 | Mar 15, 2024 | — |
| ARS | ARS | 0000950170-24-032222 | Mar 15, 2024 | Dec 31, 2023 |
| 4 | PRIMARY DOCUMENT | 0001593968-24-000441 | Mar 6, 2024 | Mar 5, 2024 |
| 10-K | 10-K | 0000950170-24-015090 | Feb 14, 2024 | Dec 31, 2023 |