Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by
insiders of BLACK HILLS CORP /SD/ since year 2005 are given in the first table.
The second table lists detailed insider transactions reported by BLACK HILLS CORP /SD/ since 2005.
The reporting company's ticker symbol is BKH.
The reporting company's CIK number is 1130464.
The total value of stock buying during this period is $372,077.
The total value of stock sales is $2,328,833.
The total value of stock exercises is $2,277,013.
Figure 1. Monthly insider transaction values at BLACK HILLS CORP /SD/ (BKH) in the past 24 months.
The trade values of insider stock buys, sales, and option exercises are in logarithmic scale
as shown on the right axis labels.
The detailed monthly and daily insider transactions are listed in the 2 tables below.
06
07
08
09
10
11
12
01 2007
02
03
04
05
06
07
08
09
10
11
12
01 2008
02
03
04
05
$1,008k
$100k
$10k
$1k
Buy
Sale
Option Exercise
Figure 2. Average prices of insider buys, sales, and option exercises at BLACK HILLS CORP /SD/ (BKH) in the past 24 months. See table 2 for insider transaction details.
06
07
08
09
10
11
12
01 2007
02
03
04
05
06
07
08
09
10
11
12
01 2008
02
03
04
05
$41.82
$31.37
$20.91
$10.46
Table 1. Monthly summaries of insider stock purchases, sales, and option exercises
for BLACK HILLS CORP /SD/ (BKH).
Trading Period year-month
Insider Buying Shares Value ($)
Insider Sales Shares Value ($)
Option Exercises Shares Value ($)
2008-04
0
0
12,000
460,000
12,000
279,999
2008-03
0
0
0
0
5,000
110,000
2008-02
3,100
119,079
9,000
338,951
0
0
2008-01
0
0
0
0
7,500
165,000
2007-06
2,000
80,473
0
0
0
0
2007-05
0
0
20,667
862,913
31,598
1,008,712
2007-03
0
0
0
0
11,501
259,325
2007-02
0
0
16,336
604,758
16,336
453,977
2006-06
3,000
102,645
0
0
0
0
2006-02
2,000
69,880
0
0
0
0
2005-09
0
0
1,477
62,211
0
0
Table 2. Detailed insider stock purchases, sales, and option exercises
for BLACK HILLS CORP /SD/ (BKH)
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above tables cannot be completely guaranteed as to their accuracy.
For more insider trading information of BLACK HILLS CORP /SD/ (symbol BKH,
CIK number 1130464) see
the Securities and Exchange Commission (SEC) website.
