BLACK HILLS CORP /SD/ — EFFECT Filings
1 EFFECT filing on record
This page lists all EFFECT 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 1 EFFECT document 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 |
|---|---|---|---|---|
| EFFECT | — | 9999999995-26-000474 | Feb 6, 2026 | — |