Columbia Banking System, Inc.

Gardner Steven R bought 2,577 shares of COLB on 4 September. They now own 2,577 COLB shares.

Lagomarsino Simone bought 2,670 shares of COLB on 2 September. They now own 2,670 COLB shares.

Lagomarsino Simone bought 0 shares of COLB on 1 September. They now own 7 COLB shares.

Lagomarsino Simone bought 0 shares of COLB on 1 September. They now own 32,931 COLB shares.

Giem Judi bought 2,393 shares of COLB on 14 August. They now own 2,393 COLB shares.

Giem Judi sold 2,393 shares of COLB on 14 August. They now own 13,108 COLB shares.

Giem Judi sold 643 shares of COLB on 14 August. They now own 1,750 COLB shares.

Deer Aaron James bought 886 shares of COLB on 30 June. They now own 42,761 COLB shares.

Machuca Luis bought 563 shares of COLB on 15 June. They now own 48,966 COLB shares.

Moore Devine David sold 60 shares of COLB on 8 June. They now own 22,448 COLB shares.

Moore Devine David sold 3,812 shares of COLB on 8 June. They now own 18,636 COLB shares.

Seaton Elizabeth Whitehead bought 3,949 shares of COLB on 14 May. They now own 3,949 COLB shares.

Mitchell M Christian bought 3,949 shares of COLB on 14 May. They now own 41,909 COLB shares.

Varnado Anddria bought 3,949 shares of COLB on 14 May. They now own 30,894 COLB shares.

Terry Hilliard C. Iii bought 3,949 shares of COLB on 14 May. They now own 55,514 COLB shares.

Machuca Luis bought 3,949 shares of COLB on 14 May. They now own 29,953 COLB shares.

Forrest Eric bought 3,949 shares of COLB on 14 May. They now own 36,351 COLB shares.

Schultz John F bought 3,949 shares of COLB on 14 May. They now own 50,384 COLB shares.

Studenmund Jaynie M bought 3,949 shares of COLB on 14 May. They now own 21,807 COLB shares.

Finkelstein Mark A bought 3,949 shares of COLB on 14 May. They now own 35,554 COLB shares.

Lund Randal Lee bought 3,949 shares of COLB on 14 May. They now own 27,663 COLB shares.

Lakely Brock sold 396 shares of COLB on 15 April. They now own 10,708 COLB shares.

Machuca Luis bought 659 shares of COLB on 16 March. They now own 48,403 COLB shares.

Nixon Torran B bought 5,013 shares of COLB on 13 March. They now own 103,242 COLB shares.

Namdar Frank bought 2,820 shares of COLB on 13 March. They now own 33,290 COLB shares.

Moore Devine David sold 940 shares of COLB on 13 March. They now own 4,679 COLB shares.

Ognall Andrew H sold 951 shares of COLB on 13 March. They now own 74,132 COLB shares.

Deer Aaron James sold 1,567 shares of COLB on 13 March. They now own 7,133 COLB shares.

Stein Clint bought 18,171 shares of COLB on 13 March. They now own 158,735 COLB shares.

Ognall Andrew H bought 2,381 shares of COLB on 13 March. They now own 75,083 COLB shares.

Lakely Brock sold 211 shares of COLB on 13 March. They now own 11,104 COLB shares.

Moore Devine David sold 376 shares of COLB on 13 March. They now own 22,508 COLB shares.

Merrywell Christopher sold 1,973 shares of COLB on 13 March. They now own 44,067 COLB shares.

Baruffi Kumi Yamamoto bought 2,381 shares of COLB on 13 March. They now own 54,652 COLB shares.

Nixon Torran B sold 5,013 shares of COLB on 13 March. They now own 49,052 COLB shares.

Stein Clint sold 7,151 shares of COLB on 13 March. They now own 151,584 COLB shares.

Merrywell Christopher bought 5,013 shares of COLB on 13 March. They now own 46,040 COLB shares.

Lakely Brock bought 846 shares of COLB on 13 March. They now own 11,315 COLB shares.

Anderson Drew K bought 2,506 shares of COLB on 13 March. They now own 23,184 COLB shares.

Lakely Brock sold 211 shares of COLB on 13 March. They now own 11,104 COLB shares.

Deer Aaron James bought 1,567 shares of COLB on 13 March. They now own 42,492 COLB shares.

Ognall Andrew H sold 2,381 shares of COLB on 13 March. They now own 53,026 COLB shares.

Baruffi Kumi Yamamoto sold 2,381 shares of COLB on 13 March. They now own 13,083 COLB shares.

Moore Devine David bought 940 shares of COLB on 13 March. They now own 22,884 COLB shares.

Namdar Frank sold 2,820 shares of COLB on 13 March. They now own 13,640 COLB shares.

Deer Aaron James sold 617 shares of COLB on 13 March. They now own 41,875 COLB shares.

Anderson Drew K sold 1,215 shares of COLB on 13 March. They now own 21,969 COLB shares.

Namdar Frank sold 1,367 shares of COLB on 13 March. They now own 31,923 COLB shares.

Stein Clint sold 18,171 shares of COLB on 13 March. They now own 166,984 COLB shares.

Anderson Drew K sold 2,506 shares of COLB on 13 March. They now own 50,607 COLB shares.

Baruffi Kumi Yamamoto sold 937 shares of COLB on 13 March. They now own 53,715 COLB shares.

Baruffi Kumi Yamamoto sold 937 shares of COLB on 13 March. They now own 53,715 COLB shares.

Merrywell Christopher sold 5,013 shares of COLB on 13 March. They now own 51,291 COLB shares.

Lakely Brock sold 846 shares of COLB on 13 March. They now own 9,810 COLB shares.

Nixon Torran B sold 2,002 shares of COLB on 13 March. They now own 101,240 COLB shares.

Nixon Torran B sold 2,240 shares of COLB on 4 March. They now own 98,229 COLB shares.

Nixon Torran B sold 2,241 shares of COLB on 3 March. They now own 100,469 COLB shares.

Nixon Torran B sold 2,980 shares of COLB on 1 March. They now own 102,710 COLB shares.

Lakely Brock sold 391 shares of COLB on 1 March. They now own 10,469 COLB shares.

Moore Devine David sold 838 shares of COLB on 1 March. They now own 21,944 COLB shares.

Anderson Drew K sold 1,808 shares of COLB on 1 March. They now own 20,678 COLB shares.

Namdar Frank sold 1,808 shares of COLB on 1 March. They now own 30,470 COLB shares.

Ognall Andrew H sold 1,304 shares of COLB on 1 March. They now own 72,702 COLB shares.

Baruffi Kumi Yamamoto sold 1,799 shares of COLB on 1 March. They now own 52,271 COLB shares.

Stein Clint sold 9,789 shares of COLB on 1 March. They now own 140,564 COLB shares.

Deer Aaron James sold 918 shares of COLB on 1 March. They now own 40,925 COLB shares.

Merrywell Christopher sold 3,230 shares of COLB on 1 March. They now own 41,027 COLB shares.

Deer Aaron James bought 4,001 shares of COLB on 18 February. They now own 8,700 COLB shares.

Anderson Drew K bought 8,002 shares of COLB on 18 February. They now own 53,113 COLB shares.

Baruffi Kumi Yamamoto bought 8,322 shares of COLB on 18 February. They now own 15,464 COLB shares.

Ognall Andrew H bought 8,002 shares of COLB on 18 February. They now own 55,407 COLB shares.

Giem Judi bought 8,322 shares of COLB on 18 February. They now own 15,501 COLB shares.

Lakely Brock bought 5,601 shares of COLB on 18 February. They now own 10,656 COLB shares.

Nixon Torran B bought 16,645 shares of COLB on 18 February. They now own 54,065 COLB shares.

Merrywell Christopher bought 16,645 shares of COLB on 18 February. They now own 56,304 COLB shares.

Stein Clint bought 56,017 shares of COLB on 18 February. They now own 185,155 COLB shares.

Seda Ivan A bought 12,804 shares of COLB on 18 February. They now own 12,804 COLB shares.

Namdar Frank bought 8,002 shares of COLB on 18 February. They now own 16,460 COLB shares.

Moore Devine David bought 2,800 shares of COLB on 18 February. They now own 5,619 COLB shares.

Namdar Frank sold 1,169 shares of COLB on 15 February. They now own 32,278 COLB shares.

Moore Devine David sold 485 shares of COLB on 15 February. They now own 22,782 COLB shares.

Stein Clint sold 3,922 shares of COLB on 15 February. They now own 150,353 COLB shares.

Nixon Torran B sold 1,905 shares of COLB on 15 February. They now own 105,690 COLB shares.

Ognall Andrew H sold 931 shares of COLB on 15 February. They now own 74,006 COLB shares.

Anderson Drew K sold 788 shares of COLB on 15 February. They now own 22,486 COLB shares.

Baruffi Kumi Yamamoto sold 1,036 shares of COLB on 15 February. They now own 54,070 COLB shares.

Deer Aaron James sold 531 shares of COLB on 15 February. They now own 41,843 COLB shares.

Merrywell Christopher sold 1,706 shares of COLB on 15 February. They now own 44,257 COLB shares.

Machuca Luis bought 562 shares of COLB on 4 February. They now own 47,744 COLB shares.

Stein Clint bought 28,927 shares of COLB on 2 February. They now own 152,323 COLB shares.

Stein Clint sold 8,653 shares of COLB on 2 February. They now own 154,275 COLB shares.

Stein Clint sold 11,383 shares of COLB on 2 February. They now own 140,940 COLB shares.

Merrywell Christopher sold 4,949 shares of COLB on 2 February. They now own 45,963 COLB shares.

Anderson Drew K bought 3,146 shares of COLB on 2 February. They now own 24,984 COLB shares.

Ognall Andrew H sold 1,929 shares of COLB on 2 February. They now own 74,937 COLB shares.

Namdar Frank sold 2,383 shares of COLB on 2 February. They now own 33,447 COLB shares.

Baruffi Kumi Yamamoto bought 5,093 shares of COLB on 2 February. They now own 57,216 COLB shares.

Ognall Andrew H bought 4,510 shares of COLB on 2 February. They now own 76,866 COLB shares.

Moore Devine David bought 2,095 shares of COLB on 2 February. They now own 24,232 COLB shares.

Deer Aaron James bought 2,620 shares of COLB on 2 February. They now own 43,565 COLB shares.

Baruffi Kumi Yamamoto sold 2,110 shares of COLB on 2 February. They now own 55,106 COLB shares.

Deer Aaron James sold 1,191 shares of COLB on 2 February. They now own 42,374 COLB shares.

Merrywell Christopher bought 12,576 shares of COLB on 2 February. They now own 50,912 COLB shares.

Moore Devine David sold 965 shares of COLB on 2 February. They now own 23,267 COLB shares.

Nixon Torran B sold 5,528 shares of COLB on 2 February. They now own 107,595 COLB shares.

Anderson Drew K sold 1,710 shares of COLB on 2 February. They now own 23,274 COLB shares.

Stein Clint bought 21,988 shares of COLB on 2 February. They now own 162,928 COLB shares.

Namdar Frank bought 4,667 shares of COLB on 2 February. They now own 35,830 COLB shares.

Nixon Torran B bought 13,844 shares of COLB on 2 February. They now own 113,123 COLB shares.

Gardner Steven R sold 13,725 shares of COLB on 30 January. They now own 0 COLB shares.

Deer Aaron James sold 325 shares of COLB on 20 January. They now own 41,721 COLB shares.

Merrywell Christopher sold 1,560 shares of COLB on 20 January. They now own 41,832 COLB shares.

Anderson Drew K sold 390 shares of COLB on 20 January. They now own 22,952 COLB shares.

Moore Devine David sold 260 shares of COLB on 20 January. They now own 22,765 COLB shares.

Nixon Torran B sold 3,873 shares of COLB on 20 January. They now own 99,279 COLB shares.

Stein Clint sold 3,588 shares of COLB on 20 January. They now own 139,373 COLB shares.

Baruffi Kumi Yamamoto sold 1,508 shares of COLB on 20 January. They now own 52,123 COLB shares.

Ognall Andrew H sold 559 shares of COLB on 20 January. They now own 73,709 COLB shares.

Baruffi Kumi Yamamoto sold 632 shares of COLB on 20 January. They now own 53,631 COLB shares.

Stein Clint sold 7,615 shares of COLB on 20 January. They now own 131,758 COLB shares.

Ognall Andrew H sold 1,353 shares of COLB on 20 January. They now own 72,356 COLB shares.

Stein Clint sold 5,635 shares of COLB on 20 January. They now own 123,396 COLB shares.

Nixon Torran B sold 1,717 shares of COLB on 20 January. They now own 103,152 COLB shares.

Moore Devine David sold 628 shares of COLB on 20 January. They now own 22,137 COLB shares.

Namdar Frank sold 579 shares of COLB on 20 January. They now own 32,815 COLB shares.

Namdar Frank sold 1,652 shares of COLB on 20 January. They now own 31,163 COLB shares.

Anderson Drew K sold 1,114 shares of COLB on 20 January. They now own 21,838 COLB shares.

Stein Clint sold 2,727 shares of COLB on 20 January. They now own 129,031 COLB shares.

Merrywell Christopher sold 3,496 shares of COLB on 20 January. They now own 38,336 COLB shares.

Deer Aaron James sold 776 shares of COLB on 20 January. They now own 40,945 COLB shares.

Ognall Andrew H bought 21,467 shares of COLB on 31 December. They now own 47,405 COLB shares.

Seda Ivan A bought 28,464 shares of COLB on 31 December. They now own 0 COLB shares.

Machuca Luis bought 65 shares of COLB on 3 December. They now own 47,182 COLB shares.

Columbia Banking System, Inc. bought 0 shares of COLB on 20 November. They now own 10,860 COLB shares.

Lakely Brock bought 6,312 shares of COLB on 20 November. They now own 0 COLB shares.

Lakely Brock bought 5,055 shares of COLB on 20 November. They now own 0 COLB shares.

Lakely Brock bought 0 shares of COLB on 20 November. They now own 10,860 COLB shares.

Columbia Banking System, Inc. bought 5,055 shares of COLB on 20 November. They now own 0 COLB shares.

Columbia Banking System, Inc. bought 6,312 shares of COLB on 20 November. They now own 0 COLB shares.

Machuca Luis bought 630 shares of COLB on 5 November. They now own 47,117 COLB shares.

Mitchell M Christian bought 2,205 shares of COLB on 2 September. They now own 37,960 COLB shares.

Studenmund Jaynie M bought 2,205 shares of COLB on 2 September. They now own 17,858 COLB shares.

Mitchell M Christian bought 0 shares of COLB on 31 August. They now own 0 COLB shares.

Studenmund Jaynie M bought 3,843 shares of COLB on 31 August. They now own 3,843 COLB shares.

Gardner Steven R bought 0 shares of COLB on 31 August. They now own 0 COLB shares.

Studenmund Jaynie M bought 15,653 shares of COLB on 31 August. They now own 15,653 COLB shares.

Gardner Steven R bought 338,221 shares of COLB on 31 August. They now own 338,221 COLB shares.

Studenmund Jaynie M bought 0 shares of COLB on 31 August. They now own 0 COLB shares.

Gardner Steven R bought 245,875 shares of COLB on 31 August. They now own 245,875 COLB shares.

Mitchell M Christian bought 35,755 shares of COLB on 31 August. They now own 35,755 COLB shares.

Machuca Luis bought 668 shares of COLB on 29 July. They now own 46,487 COLB shares.

Giem Judi bought 7,179 shares of COLB on 22 July. They now own 7,179 COLB shares.

Giem Judi bought 3,590 shares of COLB on 22 July. They now own 3,590 COLB shares.

Giem Judi bought 3,590 shares of COLB on 22 July. They now own 7,180 COLB shares.

Giem Judi bought 0 shares of COLB on 2 June. They now own 0 COLB shares.

Machuca Luis bought 708 shares of COLB on 2 June. They now own 45,819 COLB shares.

Pope Maria M bought 3,382 shares of COLB on 15 May. They now own 47,569 COLB shares.

Terry Hilliard C. Iii bought 3,382 shares of COLB on 15 May. They now own 51,565 COLB shares.

Numata S Mae Fujita bought 3,382 shares of COLB on 15 May. They now own 37,113 COLB shares.

Lund Randal Lee bought 3,382 shares of COLB on 15 May. They now own 23,714 COLB shares.

Finkelstein Mark A bought 3,382 shares of COLB on 15 May. They now own 31,605 COLB shares.

Machuca Luis bought 3,382 shares of COLB on 15 May. They now own 26,004 COLB shares.

Seaton Elizabeth Whitehead bought 3,382 shares of COLB on 15 May. They now own 32,566 COLB shares.

Varnado Anddria bought 3,382 shares of COLB on 15 May. They now own 26,945 COLB shares.

Forrest Eric bought 3,382 shares of COLB on 15 May. They now own 32,402 COLB shares.

Schultz John F bought 3,382 shares of COLB on 15 May. They now own 49,435 COLB shares.

Nixon Torran B sold 4,481 shares of COLB on 4 March. They now own 104,869 COLB shares.

Farnsworth Ron L sold 3,073 shares of COLB on 28 February. They now own 141,162 COLB shares.

Anderson Drew K sold 1,944 shares of COLB on 28 February. They now own 23,342 COLB shares.

Moore Devine David sold 839 shares of COLB on 28 February. They now own 23,025 COLB shares.

Deer Aaron James sold 918 shares of COLB on 28 February. They now own 42,046 COLB shares.

Ognall Andrew H sold 1,676 shares of COLB on 28 February. They now own 76,012 COLB shares.

O'Haver Cort L sold 9,465 shares of COLB on 28 February. They now own 399,862 COLB shares.

Nixon Torran B sold 2,980 shares of COLB on 28 February. They now own 109,350 COLB shares.

Namdar Frank sold 902 shares of COLB on 28 February. They now own 35,267 COLB shares.

Ognall Andrew H sold 1,744 shares of COLB on 28 February. They now own 74,268 COLB shares.

Merrywell Christopher sold 3,230 shares of COLB on 28 February. They now own 43,392 COLB shares.

White Lisa M sold 1,521 shares of COLB on 28 February. They now own 29,045 COLB shares.

Namdar Frank sold 1,873 shares of COLB on 28 February. They now own 33,394 COLB shares.

White Lisa M sold 598 shares of COLB on 28 February. They now own 30,566 COLB shares.

Nixon Torran B sold 4,087 shares of COLB on 28 February. They now own 112,330 COLB shares.

Dow Lisa sold 1,285 shares of COLB on 28 February. They now own 35,110 COLB shares.

Farnsworth Ron L sold 2,930 shares of COLB on 28 February. They now own 144,235 COLB shares.

O'Haver Cort L sold 9,038 shares of COLB on 28 February. They now own 390,824 COLB shares.

Anderson Drew K sold 1,127 shares of COLB on 28 February. They now own 25,286 COLB shares.

Stein Clint sold 9,789 shares of COLB on 28 February. They now own 142,961 COLB shares.

Baruffi Kumi Yamamoto sold 1,799 shares of COLB on 28 February. They now own 54,263 COLB shares.

O'Haver Cort L bought 28,195 shares of COLB on 25 February. They now own 140,328 COLB shares.

Ognall Andrew H bought 18,796 shares of COLB on 25 February. They now own 18,796 COLB shares.

Merrywell Christopher bought 11,278 shares of COLB on 25 February. They now own 59,488 COLB shares.

Merrywell Christopher bought 11,278 shares of COLB on 25 February. They now own 48,210 COLB shares.

Nixon Torran B bought 11,278 shares of COLB on 25 February. They now own 56,130 COLB shares.

Farnsworth Ron L bought 12,781 shares of COLB on 25 February. They now own 31,807 COLB shares.

Merrywell Christopher bought 15,037 shares of COLB on 25 February. They now own 39,659 COLB shares.

Nixon Torran B bought 7,518 shares of COLB on 25 February. They now own 41,092 COLB shares.

Namdar Frank bought 4,229 shares of COLB on 25 February. They now own 15,419 COLB shares.

Nixon Torran B bought 7,518 shares of COLB on 25 February. They now own 48,610 COLB shares.

White Lisa M bought 6,578 shares of COLB on 25 February. They now own 31,164 COLB shares.

Nixon Torran B bought 15,037 shares of COLB on 25 February. They now own 37,420 COLB shares.

O'Haver Cort L bought 37,593 shares of COLB on 25 February. They now own 37,593 COLB shares.