| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Evans Linden R | President and CEO | PO BOX 1400, RAPID CITY | /s/Travis Frederickson | 18 Feb 2026 | 0001305656 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BKH | Common Stock | Gift | -2,580 | -1.5% | 172,504 | 17 Feb 2026 | Direct | F1 | ||
| transaction | BKH | Common Stock | Gift | -3,731 | -2.2% | 168,773 | 17 Feb 2026 | Direct | F2 | ||
| transaction | BKH | Common Stock | Other | $585 | +8 | +0% | $72.45 | 168,781 | 01 Dec 2025 | Direct | F3, F4 |
| holding | BKH | Common Stock | 4,491 | 01 Dec 2025 | By 401K |
| Id | Content |
|---|---|
| F1 | Gifting of shares |
| F2 | Charitable donation. |
| F3 | Shares acquired through the Company's Dividend Reinvestment Plan. |
| F4 | Due to a temporary software issue, the post-transaction share balance is understated by 1,000 shares. The reporting person actually owns 169,781.063 shares. |