FILINGS
| BKH 0001130464 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2019-01-31 | 5 | PRIMARY DOCUMENT | View Document |
| 2019-01-24 | SC 13G/A | View Document | |
| 2019-01-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-01-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-01-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-12-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-12-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-12-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-12-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-12-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-12-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-12-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-12-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-11-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-11-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-11-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-11-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-11-06 | 10-Q | 10-Q | View Document |
| 2018-11-05 | 8-K | 8-K | View Document |
| 2018-11-01 | 25-NSE | View Document | |
| 2018-11-01 | 8-K | 8-K | View Document |
| 2018-10-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-10-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-10-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-10-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-09-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-08-17 | 8-K | 8-K | View Document |
| 2018-08-16 | 424B5 | FINAL PROSPECTUS SUPPLEMENT-4.350% NOTES DUE 2033 | View Document |
| 2018-08-15 | FWP | FINAL TERM SHEET - 4.350% NOTES DUE 2033 | View Document |
| 2018-08-13 | 424B5 | PRELIMINARY PROSPECTUS SUPPLEMENT-SENIOR NOTES | View Document |
| 2018-08-07 | 10-Q | 10-Q | View Document |
| 2018-08-07 | 8-K | 8-K | View Document |
| 2018-08-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-08-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-08-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-08-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-07-31 | 8-K | 8-K | View Document |
| 2018-07-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-07-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-07-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-07-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-26 | 11-K | 11-K | View Document |
| 2018-06-26 | 11-K | 11-K | View Document |
| 2018-06-21 | 8-K | MASSMAN RESIGNATION | View Document |
| 2018-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-05-04 | 10-Q | 10-Q | View Document |
| 2018-05-04 | 8-K | 8-K | View Document |
| 2018-05-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-05-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-05-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-05-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-05-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-04-27 | 8-K | 8K ANNUAL MEETING 2018 | View Document |
| 2018-04-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-04-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-04-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-04-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-04-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-15 | 4/A | PRIMARY DOCUMENT | View Document |
| 2018-03-15 | 4/A | PRIMARY DOCUMENT | View Document |
| 2018-03-15 | 4/A | PRIMARY DOCUMENT | View Document |
| 2018-03-15 | 4/A | PRIMARY DOCUMENT | View Document |
| 2018-03-15 | 4/A | PRIMARY DOCUMENT | View Document |
| 2018-03-15 | DEF 14A | BHC 2018 PROXY | View Document |
| 2018-03-14 | 4/A | PRIMARY DOCUMENT | View Document |
| 2018-03-13 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-13 | 5 | PRIMARY DOCUMENT | View Document |
| 2018-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-02-26 | 10-K | 10-K | View Document |
| 2018-02-26 | 8-K | 8-K | View Document |
| 2018-02-14 | SC 13G | BLACK HILLS CORPORATION | View Document |
| 2018-02-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-02-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-02-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-02-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-02-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-02-08 | 4 | PRIMARY DOCUMENT | View Document |
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