Insider Transactions Reported by 42 Insiders of COLUMBIA BANKING SYSTEM, INC.

Symbol
COLB on Nasdaq
Location
Tacoma, WA

Insiders trading volume in the past year

COLUMBIA BANKING SYSTEM, INC. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Steven R. Gardner Director $15,941,841 -$403,927 -2.5% 30 Jan 2026
Cort L. O'Haver Executive Chairman, Director $15,179,425 28 Feb 2025
Clint Stein Chair, CEO, President, Director $10,398,458 13 Mar 2026
Ron L. Farnsworth Chief Financial Officer $5,954,167 28 Feb 2025
Torran B. Nixon Senior Executive VP $4,939,981 -$127,932 -2.5% 13 Mar 2026
Andrew H. Ognall EVP Chief Risk Officer $4,067,701 13 Mar 2026
Christopher Merrywell Senior Executive VP $3,100,335 13 Mar 2026
Drew K. Anderson EVP Chief Admin Officer $2,327,986 13 Mar 2026
Tom M. Hulbert Director $2,109,499 29 Apr 2022
Luis Machuca Director $2,074,003 16 Mar 2026
Kumi Yamamoto Baruffi EVP General Counsel, Corp Sec $1,892,039 -$24,578 -1.3% 13 Mar 2026
Frank Namdar EVP Chief Credit Officer $1,694,476 13 Mar 2026
Aaron James Deer EVP Chief Strategy/Innov Offcr $1,546,463 13 Mar 2026
Lisa Dow Chief Risk Officer $1,538,905 28 Feb 2025
Ford Elsaesser Director $1,404,102 28 Feb 2023
Peggy Y. Fowler Director $1,380,976 10 May 2024
Andy McDonald EVP Chief Credit Officer $1,325,622 28 Feb 2023
Hilliard C. Terry III Director $1,166,400 15 May 2025
John F. Schultz Director $1,118,219 15 May 2025
Maria M. Pope Director $1,076,010 15 May 2025
Sheri Burns Chief Human Resources Officer $1,016,433 08 Mar 2024
M. Christian Mitchell Director $991,894 31 Aug 2025
Eric J. Eid EVP Chief Digital & Tech Off $881,384 28 Feb 2023
Devine David Moore EVP Chief Marketing Officer $860,680 13 Mar 2026
David C. Lawson EVP Chief H.R. Officer $848,501 28 Feb 2023
S. Mae Fujita Numata Director $839,496 15 May 2025
Lisa M. White PAO & Corporate Controller $776,373 28 Feb 2025
Elizabeth Whitehead Seaton Director $736,642 15 May 2025
Eric Forrest Director $732,933 15 May 2025
Mark A. Finkelstein Director $714,905 15 May 2025
Michelle Lantow Director $697,440 28 Feb 2023
Judi Giem Evp Chro $659,299 18 Feb 2026
Craig D. Eerkes Director $647,185 10 May 2024
Brock Lakely EVP, Chief Accounting Officer $624,150 -$5,535 -0.88% 13 Mar 2026
Anddria Varnado Director $609,495 15 May 2025
Jaynie M. Studenmund Director $567,046 31 Aug 2025
Randal Lee Lund Director $559,030 15 May 2025
Ivan A. Seda EVP, Chief Financial Officer $399,996 18 Feb 2026
Janine Terrano Director $315,686 28 Feb 2023
COLUMBIA BANKING SYSTEM, INC. EVP, Chief Accounting Officer $277,690 20 Nov 2025
Tracy Mack-Askew Director $127,673 28 Feb 2023
Laura Alvarez Schrag Director $127,673 28 Feb 2023

Recent Insider Transactions by Companies or Individuals for COLUMBIA BANKING SYSTEM, INC.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Luis Machuca COLB Deferred Compensation Phantom Stock Award 1.38% 659 48,403 16 Mar 2026 Deferred Compensation
Clint Stein COLB Common Stock Tax liability -4.5% -7,151 151,584 13 Mar 2026 Direct
Clint Stein COLB Common Stock Options Exercise 12.9% 18,171 158,735 13 Mar 2026 Direct
Clint Stein COLB Restricted Stock Unit Options Exercise -9.81% -18,171 166,984 13 Mar 2026 Direct
Andrew H. Ognall COLB Common Stock Tax liability -1.27% -951 74,132 13 Mar 2026 Direct
Andrew H. Ognall COLB Common Stock Options Exercise 3.28% 2,381 75,083 13 Mar 2026 Direct
Andrew H. Ognall COLB Restricted Stock Unit Options Exercise -4.3% -2,381 53,026 13 Mar 2026 Direct
Torran B. Nixon COLB Common Stock Tax liability -1.94% -2,002 101,240 13 Mar 2026 Direct
Torran B. Nixon COLB Common Stock Options Exercise 5.1% 5,013 103,242 13 Mar 2026 Direct
Torran B. Nixon COLB Restricted Stock Unit Options Exercise -9.27% -5,013 49,052 13 Mar 2026 Direct
Frank Namdar COLB Common Stock Tax liability -4.11% -1,367 31,923 13 Mar 2026 Direct
Frank Namdar COLB Common Stock Options Exercise 9.26% 2,820 33,290 13 Mar 2026 Direct
Frank Namdar COLB Restricted Stock Unit Options Exercise -17.1% -2,820 13,640 13 Mar 2026 Direct
Devine David Moore COLB Common Stock Tax liability -1.64% -376 22,508 13 Mar 2026 Direct
Devine David Moore COLB Common Stock Options Exercise 4.28% 940 22,884 13 Mar 2026 Direct
Devine David Moore COLB Restricted Stock Unit Options Exercise -16.7% -940 4,679 13 Mar 2026 Direct
Christopher Merrywell COLB Common Stock Tax liability -4.29% -1,973 44,067 13 Mar 2026 Direct
Christopher Merrywell COLB Common Stock Options Exercise 12.2% 5,013 46,040 13 Mar 2026 Direct
Christopher Merrywell COLB Restricted Stock Unit Options Exercise -8.9% -5,013 51,291 13 Mar 2026 Direct
Brock Lakely COLB Common Stock Sale -1.86% $5,535 $26.23 -211 11,104 13 Mar 2026 Direct
Brock Lakely COLB Common Stock Options Exercise 8.08% 846 11,315 13 Mar 2026 Direct
Brock Lakely COLB Restricted Stock Unit Options Exercise -7.94% -846 9,810 13 Mar 2026 Direct
Aaron James Deer COLB Common Stock Tax liability -1.45% -617 41,875 13 Mar 2026 Direct
Aaron James Deer COLB Common Stock Options Exercise 3.83% 1,567 42,492 13 Mar 2026 Direct
Aaron James Deer COLB Restricted Stock Unit Options Exercise -18% -1,567 7,133 13 Mar 2026 Direct
Kumi Yamamoto Baruffi COLB Common Stock Sale -1.71% $24,578 $26.23 -937 53,715 13 Mar 2026 Direct
Kumi Yamamoto Baruffi COLB Common Stock Options Exercise 4.56% 2,381 54,652 13 Mar 2026 Direct
Kumi Yamamoto Baruffi COLB Restricted Stock Unit Options Exercise -15.4% -2,381 13,083 13 Mar 2026 Direct
Drew K. Anderson COLB Common Stock Tax liability -5.24% -1,215 21,969 13 Mar 2026 Direct
Drew K. Anderson COLB Common Stock Options Exercise 12.1% 2,506 23,184 13 Mar 2026 Direct
Drew K. Anderson COLB Restricted Stock Unit Options Exercise -4.72% -2,506 50,607 13 Mar 2026 Direct
Torran B. Nixon COLB Common Stock Sale -2.23% $64,624 $28.85 -2,240 98,229 04 Mar 2026 Direct
Torran B. Nixon COLB Common Stock Sale -2.18% $63,308 $28.25 -2,241 100,469 03 Mar 2026 Direct
Clint Stein COLB Common Stock Tax liability -6.51% -9,789 140,564 01 Mar 2026 Direct
Andrew H. Ognall COLB Common Stock Tax liability -1.76% -1,304 72,702 01 Mar 2026 Direct
Torran B. Nixon COLB Common Stock Tax liability -2.82% -2,980 102,710 01 Mar 2026 Direct
Frank Namdar COLB Common Stock Tax liability -5.6% -1,808 30,470 01 Mar 2026 Direct
Christopher Merrywell COLB Common Stock Tax liability -7.3% -3,230 41,027 01 Mar 2026 Direct
Brock Lakely COLB Common Stock Tax liability -3.6% -391 10,469 01 Mar 2026 Direct
Devine David Moore COLB Common Stock Tax liability -3.68% -838 21,944 01 Mar 2026 Direct
Aaron James Deer COLB Common Stock Tax liability -2.19% -918 40,925 01 Mar 2026 Direct
Kumi Yamamoto Baruffi COLB Common Stock Tax liability -3.33% -1,799 52,271 01 Mar 2026 Direct
Drew K. Anderson COLB Common Stock Tax liability -8.04% -1,808 20,678 01 Mar 2026 Direct
Clint Stein COLB Restricted Stock Unit Award 43.4% 56,017 185,155 18 Feb 2026 Direct
Ivan A. Seda COLB Restricted Stock Unit Award 12,804 12,804 18 Feb 2026 Direct
Andrew H. Ognall COLB Restricted Stock Unit Award 16.9% 8,002 55,407 18 Feb 2026 Direct
Torran B. Nixon COLB Restricted Stock Unit Award 44.5% 16,645 54,065 18 Feb 2026 Direct
Frank Namdar COLB Restricted Stock Unit Award 94.6% 8,002 16,460 18 Feb 2026 Direct
Devine David Moore COLB Restricted Stock Unit Award 99.3% 2,800 5,619 18 Feb 2026 Direct
Christopher Merrywell COLB Restricted Stock Unit Award 42% 16,645 56,304 18 Feb 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.