Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by
insiders of COLUMBIA BANCORP \OR\ since year 2005 are given in the first table.
The second table lists detailed insider transactions reported by COLUMBIA BANCORP \OR\ since 2005.
The reporting company's ticker symbol is CBBO.
The reporting company's CIK number is 1010002.
The total value of stock buying during this period is $175,398.
The total value of stock sales is $1,500,097.
The total value of stock exercises is $625,785.
Figure 1. Monthly insider transaction values at COLUMBIA BANCORP \OR\ (CBBO) 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
$906,743
$90,674
$9,067
$906
Buy
Sale
Option Exercise
Figure 2. Average prices of insider buys, sales, and option exercises at COLUMBIA BANCORP \OR\ (CBBO) 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
$26.13
$19.60
$13.07
$6.53
Table 1. Monthly summaries of insider stock purchases, sales, and option exercises
for COLUMBIA BANCORP \OR\ (CBBO).
Trading Period year-month
Insider Buying Shares Value ($)
Insider Sales Shares Value ($)
Option Exercises Shares Value ($)
2008-05
1,200
12,876
0
0
0
0
2008-04
7,000
78,120
0
0
0
0
2008-02
500
7,875
0
0
0
0
2008-01
0
0
0
0
6,331
37,510
2007-11
1,000
17,900
0
0
0
0
2007-10
0
0
650
11,917
0
0
2007-04
0
0
0
0
1,694
16,397
2007-03
0
0
600
14,154
0
0
2007-02
401
9,558
0
0
429
2,436
2007-01
0
0
0
0
4,961
33,811
2006-11
0
0
8,761
236,112
8,511
50,980
2006-10
0
0
8,356
210,200
5,000
40,750
2006-09
0
0
0
0
20,340
158,826
2006-08
1,182
28,330
37,182
906,743
29,298
214,986
2006-07
0
0
0
0
425
2,414
2006-01
0
0
0
0
1,573
7,267
2005-12
0
0
3,991
91,115
3,000
26,880
2005-11
465
10,194
0
0
0
0
2005-08
401
8,187
0
0
0
0
2005-06
0
0
0
0
6,600
33,528
2005-05
120
2,358
1,500
29,856
0
0
Table 2. Detailed insider stock purchases, sales, and option exercises
for COLUMBIA BANCORP \OR\ (CBBO)
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 COLUMBIA BANCORP \OR\ (symbol CBBO,
CIK number 1010002) see
the Securities and Exchange Commission (SEC) website.
