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BLACK HILLS CORP /SD/ — 8-K Filings

313 8-K filings on record

This page lists all 8-K 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 313 8-K documents with the SEC since 2016. To view all SEC filings by BLACK HILLS CORP /SD/, see the full filings list.

Overview All Filings Financials Insiders
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
8-K 8-K 0001193125-26-059379 Feb 19, 2026
8-K 8-K 0001193125-26-037663 Feb 4, 2026
8-K 8-K 0001193125-25-267138 Nov 5, 2025
8-K FORM 8-K 0001104659-25-096060 Oct 2, 2025
8-K FORM 8-K 0001104659-25-094481 Sep 29, 2025 Sep 25, 2025
8-K 8-K 0001193125-25-203783 Sep 15, 2025
8-K FORM 8-K 0001104659-25-080000 Aug 19, 2025
8-K FORM 8-K 0001104659-25-080276 Aug 19, 2025 Aug 18, 2025
8-K 8-K 0000950170-25-100354 Jul 30, 2025
8-K FORM 8-K 0001104659-25-046204 May 8, 2025
8-K 8-K 0000950170-25-066115 May 8, 2025 May 7, 2025
8-K 8-K 0000950170-25-058826 Apr 25, 2025 Apr 23, 2025
8-K 8-K 0000950170-25-015599 Feb 7, 2025 Jan 31, 2025
8-K 8-K 0000950170-25-014567 Feb 5, 2025
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
8-K 8-K 0000950170-24-088610 Jul 31, 2024
8-K 8-K 0000950170-24-069365 Jun 5, 2024 May 31, 2024
8-K FORM 8-K 0001104659-24-062524 May 16, 2024 May 13, 2024
8-K 8-K 0000950170-24-055713 May 8, 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
8-K 8-K 0000950170-24-012259 Feb 7, 2024
8-K 8-K 0000950170-23-057468 Nov 1, 2023
8-K FORM 8-K 0001104659-23-101196 Sep 15, 2023
8-K FORM 8-K 0001104659-23-099727 Sep 11, 2023 Sep 6, 2023
8-K 8-K 0000950170-23-037221 Aug 2, 2023
8-K FORM 8-K 0001104659-23-072376 Jun 20, 2023 Jun 16, 2023
8-K 8-K 0000950170-23-028050 Jun 15, 2023 Jun 14, 2023
8-K 8-K 0000950170-23-017280 May 3, 2023 Apr 24, 2023
8-K 8-K 0000950170-23-015305 Apr 27, 2023 Apr 25, 2023
8-K 8-K 0000950170-23-006487 Mar 7, 2023 Mar 2, 2023
8-K 8-K 0000950170-23-002000 Feb 7, 2023
8-K 8-K 0001130464-22-000027 Nov 2, 2022
8-K 8-K 0001130464-22-000025 Oct 27, 2022
8-K 8-K 0001130464-22-000019 Aug 3, 2022
8-K 8-K 0001130464-22-000010 May 4, 2022
8-K 8-K 0001130464-22-000008 Apr 28, 2022 Apr 26, 2022
8-K 8-K 0001130464-22-000002 Feb 9, 2022
8-K 8-K 0001130464-21-000034 Nov 2, 2021
8-K 8-K 0001130464-21-000032 Sep 17, 2021 Sep 15, 2021
8-K FORM 8-K 0001104659-21-109815 Aug 26, 2021 Aug 23, 2021
8-K 8-K 0001130464-21-000028 Aug 3, 2021
8-K 8-K 0001130464-21-000026 Jul 19, 2021
8-K 8-K 0001130464-21-000018 May 4, 2021
8-K 8-K 0001130464-21-000015 Apr 29, 2021 Apr 27, 2021
8-K 8-K 0001130464-21-000004 Feb 25, 2021 Feb 24, 2021
8-K 8-K 0001130464-21-000002 Feb 9, 2021
8-K 8-K 0001130464-20-000040 Nov 2, 2020