| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Evans Linden R | President and CEO | PO BOX 1400, RAPID CITY | /s/Travis Frederickson | 05 Feb 2026 | 0001305656 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BKH | Common Stock | Other | +191 | +4.4% | 4,491 | 01 Mar 2025 | By 401K | F1 | ||
| holding | BKH | Common Stock | 155,896 | 31 Dec 2024 | Direct |
| Id | Content |
|---|---|
| F1 | Shares acquired through the Company's Dividend Reinvestment Plan. |