The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) by Nelson Mark W since 2005.
The trader's CIK number is 1202458.
At the time of the last reporting, Nelson Mark W was the Executive Vice Presi of Columbia Banking System, Inc.. (stock ticker symbol COLB).
Also see all insider trading activities at Columbia Banking System, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2008 | COLB | 0 | $0 | 1,772 | $41,714 | 10,500 | $112,140 |
| 2007 | COLB | 95 | $3,002 | 0 | $0 | 0 | $0 |
| 2006 | COLB | 794 | $18,010 | 0 | $0 | 0 | $0 |
| 2004 | COLB | 272 | $6,026 | 0 | $0 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2008-03-03 | COLB | Option Ex | 10,500 | 10.68 | 112,140 |
| 2008-03-03 | COLB | Sale | 1,772 | 23.54 | 41,714 |
| 2007-01-03 | COLB | Buy | 95 | 31.61 | 3,002 |
| 2006-06-30 | COLB | Buy | 114 | 26.40 | 3,009 |
| 2005-06-30 | COLB | Buy | 136 | 22.16 | 3,013 |
| 2006-01-03 | COLB | Buy | 136 | 21.92 | 2,981 |
| 2005-06-30 | COLB | Buy | 136 | 22.16 | 3,013 |
| 2005-06-30 | COLB | Buy | 136 | 22.16 | 3,013 |
| 2006-01-03 | COLB | Buy | 136 | 21.92 | 2,981 |
| 2004-12-31 | COLB | Buy | 136 | 22.16 | 3,013 |
| 2004-12-31 | COLB | Buy | 136 | 22.16 | 3,013 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Nelson Mark W (Executive Vice Presi of Columbia Banking System, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.