15 insiders reported 58 Form 4 transactions for BLACK HILLS CORP /SD/ (BKH) over the past 18 months (most recent 2026-05-28). Recent activity: Otto Robert P (Director) Sell 4,109 shares, MILLS STEVEN RICHARD (Director) Buy 1,921 shares, Jensen Tony A (Director) Buy 1,921 shares, Taylor Teresa (Director) Buy 1,921 shares, Waleski Anne G (Director) Buy 1,921 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-28 | Otto Robert P | Director | Sell | 4,109 | $304,970 |
| 2026-05-04 | MILLS STEVEN RICHARD | Director | Buy | 1,921 | $0 |
| 2026-05-04 | Jensen Tony A | Director | Buy | 1,921 | $0 |
| 2026-05-04 | Taylor Teresa | Director | Buy | 1,921 | $0 |
| 2026-05-04 | Waleski Anne G | Director | Buy | 1,921 | $0 |
| 2026-05-04 | Prochazka Scott M | Director | Buy | 1,921 | $0 |
| 2026-05-04 | Beard Robert F. | Director | Buy | 1,921 | $0 |
| 2026-05-04 | McAllister Kathleen S | Director | Buy | 1,921 | $0 |
| 2026-05-04 | Otto Robert P | Director | Buy | 1,921 | $0 |
| 2026-05-04 | Granger Barry M | Director | Buy | 1,921 | $0 |
| 2026-02-18 | Evans Linden R | President and CEO | Buy | 8 | $585 |
| 2026-02-18 | Evans Linden R | President and CEO | Sell | 3,731 | $0 |
| 2026-02-18 | Evans Linden R | President and CEO | Sell | 2,580 | $0 |
| 2026-02-13 | Jones Marne M | SVP - Utilities | Buy | 835 | $61,130 |
| 2026-02-13 | Jones Marne M | SVP - Utilities | Sell | 334 | $24,477 |
| 2026-02-13 | Evans Linden R | President and CEO | Buy | 9,036 | $661,526 |
| 2026-02-13 | Evans Linden R | President and CEO | Sell | 3,556 | $260,311 |
| 2026-02-13 | Nooney Kimberly F | SVP & CFO | Buy | 2,006 | $146,859 |
| 2026-02-13 | Nooney Kimberly F | SVP & CFO | Sell | 806 | $58,994 |
| 2026-02-10 | Nooney Kimberly F | SVP & CFO | Buy | 4,654 | $0 |
| 2026-02-10 | Nooney Kimberly F | SVP & CFO | Sell | 1,805 | $130,510 |
| 2026-02-10 | Nooney Kimberly F | SVP & CFO | Sell | 250 | $17,888 |
| 2026-02-10 | Nooney Kimberly F | SVP & CFO | Sell | 377 | $26,959 |
| 2026-02-10 | Wiltse Sarah | SVP and CHRO | Buy | 2,327 | $0 |
| 2026-02-10 | Wiltse Sarah | SVP and CHRO | Sell | 201 | $14,534 |
Source: SEC Form 4 filings · as of 2026-05-28