Insider Trading activities of Columbia Banking System Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Columbia Banking System Inc since 2005 are illustrated in Table 1 and Table 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 $1,513,384.
The total value of stock sales since 2005 is $1,353,708.
The total value of stock option exercises since 2005 is $980,515.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Columbia Banking System Inc (COLB).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-06 0 $0 8,000 $320,720 0 $0
2017-03 0 $0 981 $38,668 0 $0
2016-08 0 $0 424 $13,557 0 $0
2016-03 0 $0 0 $0 1,608 $15,935
2015-06 2,000 $0 0 $0 0 $0
2014-12 500 $13,722 0 $0 0 $0
2013-05 0 $0 3,000 $64,500 0 $0
2013-04 0 $0 7,000 $149,338 0 $0
2013-03 0 $0 1,200 $24,806 0 $0
2012-11 2,325 $40,063 0 $0 0 $0
2012-03 0 $0 1,600 $34,395 0 $0
2011-12 0 $0 665 $12,147 0 $0
2011-04 0 $0 0 $0 2,100 $30,240
2011-03 0 $0 3,133 $62,237 0 $0
2011-02 0 $0 6,184 $122,366 0 $0
2010-03 0 $0 0 $0 1,103 $13,236
2009-08 3,000 $40,740 0 $0 0 $0
2009-03 2,050 $11,887 0 $0 0 $0
2008-11 7,575 $72,992 0 $0 0 $0
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 $56,622 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 $213,151 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 of Columbia Banking System Inc insiders (COLB)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-06-15 Stein Clint (EVP & CFO) Sale 8,000 40.09 320,720
2017-03-10 Ray Barry (SVP & CAO) Sale 981 39.42 38,668
2016-08-18 Ray Barry (SVP & CAO) Sale 424 31.98 13,557
2016-03-09 Robbins Hadley S (EVP & COO) Option Ex 1,608 9.91 15,935
2015-06-24 Eerkes Craig D Buy 2,000 .00 0
2014-12-11 Eerkes Craig D (Director) Buy 500 27.44 13,722
2013-05-06 Hulbert Tom (Director) Sale 3,000 21.50 64,500
2013-04-29 Hulbert Tom (Director) Sale 7,000 21.33 149,338
2013-03-08 Dressel Melanie J (President and CEO) Sale 1,200 20.67 24,806
2012-11-07 Lantow Michelle (Director) Buy 1,500 17.24 25,859
2012-11-07 Numata S Mae Fujita (Director) Buy 825 17.22 14,204
2012-03-09 Dressel Melanie J (President and CEO) Sale 1,600 21.50 34,395
2011-12-14 Roberts Kent (Executive Vice President) Sale 665 18.27 12,147
2011-04-25 Folsom John (Director) Option Ex 1,050 14.40 15,120
2011-04-25 Weyerhaeuser William T (Director) Option Ex 1,050 14.40 15,120
2011-03-03 Schminkey Gary R (EVP and CFO) Sale 3,133 19.86 62,237
2011-02-28 Roberts Kent (Executive Vice President) Sale 384 19.98 7,670
2011-02-28 Mcdonald Andy (Executive Vice President) Sale 2,000 20.07 40,140
2011-02-25 Dressel Melanie J (President and CEO) Sale 3,800 19.62 74,556
2010-03-17 Weyerhaeuser William T (Director) Option Ex 1,103 12.00 13,236
2009-08-06 Regis Daniel C (Director) Buy 3,000 13.58 40,740
2009-03-10 Folsom John (Director) Buy 2,050 5.80 11,887
2008-11-26 Roberts Kent (Executive Vice President) Buy 2,625 9.57 25,126
2008-11-25 Will James M (Director) Buy 4,950 9.67 47,866
2008-08-06 Roberts Kent (Executive Vice President) Buy 1,500 15.30 22,950
2008-06-26 Rodman Donald (Director) Option Ex 1,820 9.90 18,018
2008-06-13 Will James M (Director) Option Ex 1,820 9.90 18,018
2008-06-12 Folsom John (Director) Option Ex 1,820 9.90 18,018
2008-06-05 Matson Tom Sr (Director) Option Ex 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 Ex 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 Ex 10,500 10.68 112,140
2008-01-09 Roberts Kent (Executive Vice President) Buy 312 26.40 8,235
2008-01-09 Mcdonald Andy (Executive Vice President) Buy 105 26.40 2,771
2008-01-09 Dressel Melanie J (President and CEO) Buy 303 26.40 7,998
2007-07-03 Roberts Kent (Executive Vice President) Buy 313 26.32 8,239
2007-07-03 Mcdonald Andy (Executive Vice President) Buy 126 26.32 3,316
2007-07-03 Dressel Melanie J (President and CEO) Buy 324 26.32 8,529
2007-05-04 Hulbert Tom (Director) Buy 4,690 12.07 56,622
2007-01-18 Dressel Melanie J (President and CEO) Buy 42,440 11.77 499,515
2007-01-18 Dressel Melanie J (President and CEO) Option Ex 27,595 11.77 324,790
2007-01-11 Schminkey Gary R (EVP and CFO) Buy 2,801 11.77 32,967
2007-01-09 Whitney Evans Q (Executive Vice President) Buy 7,005 11.77 82,448
2007-01-03 Nelson Mark W (Executive Vice President) Buy 95 31.61 3,002
2007-01-03 Dressel Melanie J (President and CEO) Buy 228 31.61 7,207
2006-06-30 Nelson Mark W (Executive Vice President) Buy 114 26.40 3,009
2006-06-30 Dressel Melanie J (President and CEO) Buy 458 26.40 12,089
2006-04-13 Rodman Donald (Director) Option Ex 2,101 18.56 38,994
2006-01-04 Whitney Evans Q (Executive Vice President) Buy 9,096 10.82 98,418
2006-01-04 Whitney Evans Q (Executive Vice President) Sale 7,596 28.06 213,151
2006-01-03 Mcdonald Andy (Executive Vice Presi) Buy 112 21.92 2,455
2006-01-03 Nelson Mark W (Executive Vice Presi) Buy 272 21.92 5,962
2006-01-03 Dressel Melanie J (President and CEO) Buy 288 21.92 6,314
2005-06-30 Nelson Mark W (Executive Vice Presi) Buy 408 22.16 9,039
2005-06-30 Dressel Melanie J (President and CEO) Buy 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 Ex 3,310 7.20 23,832
2004-12-31 Nelson Mark W (Executive Vice Presi) Buy 272 22.16 6,026
2004-12-31 Dressel Melanie J (President and CEO) Buy 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 Ex 3,310 7.20 23,832

Insider trading activities including stock purchases, stock sales, and option exercises of COLB 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.