BLACK HILLS CORP /SD/ - BKH

All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)? Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).

Files summary

Total files loaded: 20
Latest filed: Aug 17, 2026
Form Count
4 10
8-K 6
SCHEDULE 13G 3
SCHEDULE 13G/A 1

Latest files

Filed Form Report period Accession SEC
Aug 17, 2026 8-K Aug 17, 2026 0001193125-26-354167 View
Aug 07, 2026 SCHEDULE 13G — 0000093751-26-000421 View
Aug 05, 2026 8-K Aug 05, 2026 0001193125-26-335259 View
May 28, 2026 4 May 27, 2026 0001130464-26-000067 View
May 15, 2026 8-K May 15, 2026 0001193125-26-226896 View
May 06, 2026 8-K May 06, 2026 0001193125-26-209210 View
May 04, 2026 4 May 01, 2026 0001130464-26-000056 View
May 04, 2026 4 May 01, 2026 0001130464-26-000057 View
May 04, 2026 4 May 01, 2026 0001130464-26-000058 View
May 04, 2026 4 May 01, 2026 0001130464-26-000059 View
May 04, 2026 4 May 01, 2026 0001130464-26-000060 View
May 04, 2026 4 May 01, 2026 0001130464-26-000061 View
May 04, 2026 4 May 01, 2026 0001130464-26-000062 View
May 04, 2026 4 May 01, 2026 0001130464-26-000063 View
May 04, 2026 4 May 01, 2026 0001130464-26-000064 View
May 01, 2026 8-K Apr 29, 2026 0001193125-26-198223 View
Apr 29, 2026 SCHEDULE 13G — 0002100119-26-000201 View
Apr 29, 2026 SCHEDULE 13G — 0002100121-26-000150 View
Apr 02, 2026 8-K Apr 02, 2026 0001193125-26-140217 View
Mar 26, 2026 SCHEDULE 13G/A — 0000102909-26-000763 View