| 2010-08-11 | Sale | Black Hills Corporation BKH | VP REGULATORY & GOVT AFFAIRS | 5,000 0.0133% | $32.76 | $163,797 | +0.21% | |
| 2009-12-08 | Sale | Black Hills Corporation BKH | VP REGULATORY & GOVT AFFAIRS | 10,000 0.0225% | $21.88 | $218,750 | +23.56% | |
| 2009-12-07 | Sale | Black Hills Corporation BKH | VP REGULATORY & GOVT AFFAIRS | 20,000 0.0511% | $24.75 | $495,000 | +23.98% | |
| 2005-09-20 | Sale | Black Hills Corporation BKH | VP REGULATORY & GOVT AFFAIRS | 7,500 0.0228% | $43.00 | $322,500 | -16.43% | |
| 2005-09-19 | Sale | Black Hills Corporation BKH | VP REGULATORY & GOVT AFFAIRS | 2,250 0.0068% | $42.03 | $94,577 | -15.06% |