Thomas J. Zeller serves as Executive at BLACK HILLS CORP /SD/, where they oversee executive responsibilities. Since joining the company, Thomas J. Zeller has executed 209 insider transactions totaling $18.5K, demonstrating a bearish approach to their equity position. Their most recent transaction on Sep 1, 2009 involved transacting 72.44 shares valued at $1.8K.
Thomas J. Zeller currently holds 10,761.52 shares of BLACK HILLS CORP /SD/ (BKH), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Thomas J. Zeller has been a net seller of BKH stock. They have purchased $0 and sold $18.5K worth of shares.
Thomas J. Zeller's most recent insider trade was on Sep 1, 2009, when they sold 72.44 shares at $25.41 per share.
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| 38.34 |
| $26.08 |
| Discretionary |
| Jul 1, 2009 | BKH | $1000 | Discretionary | 42.64 | $23.45 | Discretionary |
| Jun 1, 2009 | BKH | $1.8K | Discretionary | 79.73 | $22.17 | Discretionary |
| Jun 1, 2009 | BKH | $1.0K | Discretionary | 45.11 | $22.17 | Discretionary |
| May 6, 2009 | BKH | $1.0K | Discretionary | 50.08 | $19.97 | Discretionary |
| Apr 1, 2009 | BKH | $1000 | Discretionary | 56.59 | $17.67 | Discretionary |
| Mar 2, 2009 | BKH | $1.0K | Discretionary | 58.14 | $17.20 | Discretionary |
| Mar 2, 2009 | BKH | $1.7K | Discretionary | 97.36 | $17.20 | Discretionary |
| Feb 4, 2009 | BKH | $1000 | Discretionary | 42.37 | $23.60 | Discretionary |
| Jan 7, 2009 | BKH | $1.0K | Discretionary | 36.96 | $27.06 | Discretionary |
| Dec 1, 2008 | BKH | $1.0K | Discretionary | 39.83 | $25.11 | Discretionary |
| Dec 1, 2008 | BKH | $1.6K | Discretionary | 63.22 | $25.11 | Discretionary |
| Nov 5, 2008 | BKH | $1.0K | Discretionary | 38.54 | $25.95 | Discretionary |
| Oct 1, 2008 | BKH | $1000 | Discretionary | 32.05 | $31.20 | Discretionary |
| Sep 2, 2008 | BKH | $1.0K | Discretionary | 29.52 | $33.88 | Discretionary |
| Sep 2, 2008 | BKH | $1.5K | Discretionary | 45.35 | $33.88 | Discretionary |
| Aug 6, 2008 | BKH | $1.0K | Discretionary | 30.35 | $32.95 | Discretionary |
| Jul 2, 2008 | BKH | $1000 | Discretionary | 31.24 | $32.01 | Discretionary |
| Jun 2, 2008 | BKH | $1.0K | Discretionary | 28.41 | $35.20 | Discretionary |
| Jun 2, 2008 | BKH | $1.5K | Discretionary | 42.33 | $35.20 | Discretionary |
| May 7, 2008 | BKH | $1.0K | Discretionary | 27.26 | $36.69 | Discretionary |
| Apr 2, 2008 | BKH | $1.0K | Discretionary | 26.71 | $37.44 | Discretionary |
| Mar 3, 2008 | BKH | $1000 | Discretionary | 27.55 | $36.29 | Discretionary |
| Mar 3, 2008 | BKH | $1.4K | Discretionary | 39.88 | $36.29 | Discretionary |
| Feb 6, 2008 | BKH | $1.0K | Discretionary | 25.31 | $39.51 | Discretionary |
| Jan 2, 2008 | BKH | $1000 | Discretionary | 23.05 | $43.38 | Discretionary |
| Dec 3, 2007 | BKH | $1.4K | Discretionary | 33.19 | $42.50 | Discretionary |
| Dec 3, 2007 | BKH | $1.0K | Discretionary | 23.53 | $42.50 | Discretionary |
| Nov 7, 2007 | BKH | $1.0K | Discretionary | 24.31 | $41.14 | Discretionary |