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Insider Trading: Columbia Banking System Inc
Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Columbia Banking System Inc in the last 24 months are illustrated in figures 1 and 2. Table 1 shows the monthly insider trading data of Columbia Banking System Inc since year 2005. Table 2 shows the detailed insider transactions of Columbia Banking System Inc since 2005.
The reporting company's ticker symbol is COLB.
The reporting company's CIK number is 887343.
The total value of stock buying since 2005 is $1,333,981.
The total value of stock sales is $510,976.
The total value of stock exercises is $921,104.
1 year stock price chart,
1 day stock price chart
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Figure 1. Monthly insider transaction values at Columbia Banking System Inc (COLB) in the past 24 months.
The trade values of insider stock buys, sales, and option exercises are in logarithmic scale
as shown on the right axis labels.
The detailed monthly and daily insider transactions are listed in the 2 tables below.
09 10 11 12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 08 -
Figure 2. Average prices of insider buys, sales, and option exercises at Columbia Banking System Inc (COLB) in the past 24 months. See table 2 for insider transaction details.
09 10 11 12 01 2007 02 03 04 05 06 07 08 09 10 11 12 01 2008 02 03 04 05 06 07 08 -
Table 1. Monthly summaries of insider stock purchases, sales, and option exercises
for Columbia Banking System Inc (COLB).
Trading Period
year-month |
Insider Buying
Shares Value ($) |
Insider Sales
Shares Value ($) |
Option Exercises
Shares Value ($) |
| 2008-08 | 1,500 | 22,950 | 0 | 0 | 0 | 0 |
| 2008-06 | 0 | 0 | 0 | 0 | 7,280 | 72,072 |
| 2008-05 | 0 | 0 | 3,399 | 91,603 | 6,064 | 65,612 |
| 2008-03 | 0 | 0 | 1,772 | 41,714 | 10,500 | 112,140 |
| 2008-01 | 720 | 19,004 | 0 | 0 | 0 | 0 |
| 2007-07 | 763 | 20,084 | 0 | 0 | 0 | 0 |
| 2007-05 | 4,690 | 56,623 | 0 | 0 | 0 | 0 |
| 2007-01 | 86,521 | 1,024,751 | 0 | 0 | 49,671 | 584,622 |
| 2006-06 | 572 | 15,098 | 0 | 0 | 0 | 0 |
| 2006-04 | 0 | 0 | 0 | 0 | 2,101 | 38,994 |
| 2006-01 | 10,048 | 119,287 | 7,596 | 213,153 | 0 | 0 |
| 2005-06 | 1,585 | 35,115 | 0 | 0 | 0 | 0 |
| 2005-04 | 0 | 0 | 3,310 | 79,804 | 3,310 | 23,832 |
| 2004-12 | 951 | 21,069 | 0 | 0 | 0 | 0 |
| 2004-11 | 0 | 0 | 3,310 | 84,702 | 3,310 | 23,832 |
Table 2. Detailed insider stock purchases, sales, and option exercises
for Columbia Banking System Inc (COLB)
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 2008-08-06 | Roberts Kent (Executive Vice President) | Purchase | 1,500 | 15.30 | 22,950 |
| 2008-06-26 | Rodman Donald (Director) | Option Exercise | 1,820 | 9.90 | 18,018 |
| 2008-06-13 | Will James M (Director) | Option Exercise | 1,820 | 9.90 | 18,018 |
| 2008-06-12 | Folsom John (Director) | Option Exercise | 1,820 | 9.90 | 18,018 |
| 2008-06-05 | Matson Tom Sr (Director) | Option Exercise | 1,820 | 9.90 | 18,018 |
| 2008-05-02 | Schminkey Gary R (EVP and CFO) | Sale | 3,399 | 26.95 | 91,603 |
| 2008-05-02 | Schminkey Gary R (EVP and CFO) | Option Exercise | 6,064 | 10.82 | 65,612 |
| 2008-03-03 | Nelson Mark W (Executive Vice President) | Sale | 1,772 | 23.54 | 41,714 |
| 2008-03-03 | Nelson Mark W (Executive Vice President) | Option Exercise | 10,500 | 10.68 | 112,140 |
| 2008-01-09 | Roberts Kent (Executive Vice President) | Purchase | 312 | 26.40 | 8,235 |
| 2008-01-09 | Mcdonald Andy (Executive Vice President) | Purchase | 105 | 26.40 | 2,771 |
| 2008-01-09 | Dressel Melanie J (President and CEO) | Purchase | 303 | 26.40 | 7,998 |
| 2007-07-03 | Roberts Kent (Executive Vice President) | Purchase | 313 | 26.32 | 8,239 |
| 2007-07-03 | Mcdonald Andy (Executive Vice President) | Purchase | 126 | 26.32 | 3,316 |
| 2007-07-03 | Dressel Melanie J (President and CEO) | Purchase | 324 | 26.32 | 8,529 |
| 2007-05-04 | Hulbert Tom (Director) | Purchase | 4,690 | 12.07 | 56,623 |
| 2007-01-18 | Dressel Melanie J (President and CEO) | Purchase | 42,440 | 11.77 | 499,515 |
| 2007-01-18 | Dressel Melanie J (President and CEO) | Option Exercise | 27,595 | 11.77 | 324,790 |
| 2007-01-11 | Schminkey Gary R (EVP and CFO) | Purchase | 2,801 | 11.77 | 32,967 |
| 2007-01-09 | Whitney Evans Q (Executive Vice President) | Purchase | 7,005 | 11.77 | 82,448 |
| 2007-01-03 | Nelson Mark W (Executive Vice President) | Purchase | 95 | 31.61 | 3,002 |
| 2007-01-03 | Dressel Melanie J (President and CEO) | Purchase | 228 | 31.61 | 7,207 |
| 2006-06-30 | Nelson Mark W (Executive Vice President) | Purchase | 114 | 26.40 | 3,009 |
| 2006-06-30 | Dressel Melanie J (President and CEO) | Purchase | 458 | 26.40 | 12,089 |
| 2006-04-13 | Rodman Donald (Director) | Option Exercise | 2,101 | 18.56 | 38,994 |
| 2006-01-04 | Whitney Evans Q (Executive Vice President) | Purchase | 9,096 | 10.82 | 98,418 |
| 2006-01-04 | Whitney Evans Q (Executive Vice President) | Sale | 7,596 | 28.06 | 213,153 |
| 2006-01-03 | Mcdonald Andy (Executive Vice Presi) | Purchase | 112 | 21.92 | 2,455 |
| 2006-01-03 | Nelson Mark W (Executive Vice Presi) | Purchase | 272 | 21.92 | 5,962 |
| 2006-01-03 | Dressel Melanie J (President and CEO) | Purchase | 288 | 21.92 | 6,314 |
| 2005-06-30 | Nelson Mark W (Executive Vice Presi) | Purchase | 408 | 22.16 | 9,039 |
| 2005-06-30 | Dressel Melanie J (President and CEO) | Purchase | 543 | 22.16 | 12,030 |
| 2005-04-11 | Schminkey Gary R (EVP and CFO) | Sale | 3,310 | 24.11 | 79,804 |
| 2005-04-11 | Schminkey Gary R (EVP and CFO) | Option Exercise | 3,310 | 7.20 | 23,832 |
| 2004-12-31 | Nelson Mark W (Executive Vice Presi) | Purchase | 272 | 22.16 | 6,026 |
| 2004-12-31 | Dressel Melanie J (President and CEO) | Purchase | 362 | 22.16 | 8,020 |
| 2004-11-30 | Whitney Evans Q (Executive Vice President) | Sale | 3,310 | 25.59 | 84,702 |
| 2004-11-30 | Whitney Evans Q (Executive Vice President) | Option Exercise | 3,310 | 7.20 | 23,832 |
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 Banking System Inc (symbol COLB,
CIK number 887343) see
the Securities and Exchange Commission (SEC) website.
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