COLUMBIA BANKING SYSTEM, INC. (COLB)

Latest Insider Confidence Score

2026Q1

51.9
Bullish

Company insider confidence (by quarter)

2015Q3 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
O'Haver Cort L Chair 390,824 Mar 4, 2025
Gardner Steven R Director 338,221 Sep 3, 2025
Weyerhaeuser William T — 223,249 May 24, 2019
Farnsworth Ron L CFO 165,308 May 23, 2023
Stein Clint CEO 142,961 Mar 4, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 3, 2026 Mar 5, 2026 Nixon Torran B Senior Executive VP Sell 38.8 -4,481 -4.14% ✓ $127.9K
Mar 1, 2026 Mar 2, 2026 Stein Clint CEO Sell 20.0 -9,789 -6.51% ✗ $278.5K
Mar 1, 2026 Mar 2, 2026 OGNALL ANDREW H EVP Chief Risk Officer Sell 26.3 -1,304 -1.70% ✗ $37.1K
Mar 1, 2026 Mar 2, 2026 Nixon Torran B Senior Executive VP Sell 22.5 -2,980 -2.68% ✗ $84.8K
Mar 1, 2026 Mar 2, 2026 Namdar Frank EVP Chief Credit Officer Sell 22.5 -1,808 -4.96% ✗ $51.4K
Mar 1, 2026 Mar 2, 2026 Merrywell Christopher Senior Executive VP Sell 22.5 -3,230 -7.30% ✗ $91.9K
Mar 1, 2026 Mar 2, 2026 Lakely Brock EVP, Chief Accounting Officer Sell 26.3 -391 -3.60% ✗ $11.1K
Mar 1, 2026 Mar 2, 2026 Moore Devine David EVP Chief Marketing Officer Sell 26.3 -838 -3.68% ✗ $23.8K
Mar 1, 2026 Mar 2, 2026 Deer Aaron James EVP Chief Strategy/Innov Offcr Sell 26.3 -918 -2.19% ✗ $26.1K
Mar 1, 2026 Mar 2, 2026 BARUFFI KUMI YAMAMOTO EVP General Counsel, Corp Sec Sell 22.5 -1,799 -3.33% ✗ $51.2K
Mar 1, 2026 Mar 2, 2026 Anderson Drew K EVP Chief Admin Officer Sell 22.5 -1,808 -8.04% ✗ $51.4K
Feb 18, 2026 Feb 20, 2026 Stein Clint CEO Neutral 52.5 - 0.00% ✗ -
Feb 18, 2026 Feb 20, 2026 Seda Ivan A CFO Neutral 52.5 - 0.00% ✗ -
Feb 18, 2026 Feb 20, 2026 OGNALL ANDREW H EVP Chief Risk Officer Neutral 52.5 - 0.00% ✗ -
Feb 18, 2026 Feb 20, 2026 Nixon Torran B Senior Executive VP Neutral 52.5 - 0.00% ✗ -
Feb 18, 2026 Feb 20, 2026 Namdar Frank EVP Chief Credit Officer Neutral 52.5 - 0.00% ✗ -
Feb 18, 2026 Feb 20, 2026 Moore Devine David EVP Chief Marketing Officer Neutral 52.5 - 0.00% ✗ -
Feb 18, 2026 Feb 20, 2026 Merrywell Christopher Senior Executive VP Neutral 52.5 - 0.00% ✗ -
Feb 18, 2026 Feb 20, 2026 Lakely Brock EVP, Chief Accounting Officer Neutral 52.5 - 0.00% ✗ -
Feb 18, 2026 Feb 20, 2026 Giem Judi EVP CHRO Neutral 52.5 - 0.00% ✗ -
Feb 18, 2026 Feb 20, 2026 Deer Aaron James EVP Chief Strategy/Innov Offcr Neutral 52.5 - 0.00% ✗ -
Feb 18, 2026 Feb 20, 2026 BARUFFI KUMI YAMAMOTO EVP General Counsel, Corp Sec Neutral 52.5 - 0.00% ✗ -
Feb 18, 2026 Feb 20, 2026 Anderson Drew K EVP Chief Admin Officer Neutral 52.5 - 0.00% ✗ -
Feb 15, 2026 Feb 18, 2026 Stein Clint CEO Sell 22.5 -3,922 -2.54% ✗ $123.5K
Feb 15, 2026 Feb 18, 2026 OGNALL ANDREW H EVP Chief Risk Officer Sell 26.3 -931 -1.20% ✗ $29.3K
Feb 15, 2026 Feb 18, 2026 Nixon Torran B Senior Executive VP Sell 22.5 -1,905 -1.68% ✗ $60K
Feb 15, 2026 Feb 18, 2026 Namdar Frank EVP Chief Credit Officer Sell 26.3 -1,169 -3.11% ✗ $36.8K
Feb 15, 2026 Feb 18, 2026 Moore Devine David EVP Chief Marketing Officer Sell 26.3 -485 -2.08% ✗ $15.3K
Feb 15, 2026 Feb 18, 2026 Merrywell Christopher Senior Executive VP Sell 22.5 -1,706 -3.71% ✗ $53.7K
Feb 15, 2026 Feb 18, 2026 Deer Aaron James EVP Chief Strategy/Innov Offcr Sell 26.3 -531 -1.25% ✗ $16.7K
Feb 15, 2026 Feb 18, 2026 BARUFFI KUMI YAMAMOTO EVP General Counsel, Corp Sec Sell 26.3 -1,036 -1.88% ✗ $32.6K
Feb 15, 2026 Feb 18, 2026 Anderson Drew K EVP Chief Admin Officer Sell 26.3 -788 -3.39% ✗ $24.8K
Dec 3, 2025 Feb 5, 2026 MACHUCA LUIS Director Neutral 52.5 - 0.00% ✗ -
Feb 2, 2026 Feb 4, 2026 Stein Clint CEO Sell 97.5 +30,879 25.02% ✗ $594.9K
Feb 2, 2026 Feb 4, 2026 OGNALL ANDREW H EVP Chief Risk Officer Sell 87.5 +2,581 3.44% ✗ $57.3K
Feb 2, 2026 Feb 4, 2026 Nixon Torran B Senior Executive VP Sell 90.0 +8,316 7.94% ✗ $164.1K
Feb 2, 2026 Feb 4, 2026 Namdar Frank EVP Chief Credit Officer Sell 90.0 +2,284 6.47% ✗ $70.8K
Feb 2, 2026 Feb 4, 2026 Moore Devine David EVP Chief Marketing Officer Sell 86.3 +1,130 5.10% ✗ $28.7K
Feb 2, 2026 Feb 4, 2026 Merrywell Christopher Senior Executive VP Sell 95.0 +7,627 19.90% ✗ $146.9K
Feb 2, 2026 Feb 4, 2026 Deer Aaron James EVP Chief Strategy/Innov Offcr Sell 83.8 +1,429 3.49% ✗ $35.4K
Feb 2, 2026 Feb 4, 2026 BARUFFI KUMI YAMAMOTO EVP General Counsel, Corp Sec Sell 90.0 +2,983 5.72% ✗ $62.6K
Feb 2, 2026 Feb 4, 2026 Anderson Drew K EVP Chief Admin Officer Sell 90.0 +1,436 6.58% ✗ $50.8K
Jan 30, 2026 Feb 3, 2026 GARDNER STEVEN R Director Sell 20.0 -13,725 -2.35% ✗ $403.9K
Jan 20, 2026 Jan 22, 2026 Deer Aaron James EVP Chief Strategy/Innov Offcr Sell 46.3 -1,101 -2.62% ✗ $22K
Jan 20, 2026 Jan 22, 2026 Namdar Frank EVP Chief Credit Officer Sell 46.3 -2,231 -5.95% ✗ $46.8K
Jan 20, 2026 Jan 22, 2026 Moore Devine David EVP Chief Marketing Officer Sell 46.3 -888 -3.86% ✗ $17.8K
Jan 20, 2026 Jan 22, 2026 OGNALL ANDREW H EVP Chief Risk Officer Sell 46.3 -1,912 -2.49% ✗ $38.4K
Jan 20, 2026 Jan 22, 2026 BARUFFI KUMI YAMAMOTO EVP General Counsel, Corp Sec Sell 46.3 -2,140 -3.94% ✗ $42.8K
Jan 20, 2026 Jan 22, 2026 Anderson Drew K EVP Chief Admin Officer Sell 46.3 -1,504 -6.44% ✗ $31.6K
Jan 20, 2026 Jan 22, 2026 Nixon Torran B Senior Executive VP Sell 42.5 -5,590 -5.06% ✗ $109.8K
Jan 20, 2026 Jan 22, 2026 Merrywell Christopher Senior Executive VP Sell 42.5 -5,056 -11.65% ✗ $99.1K
Jan 20, 2026 Jan 22, 2026 Stein Clint CEO Sell 40.0 -19,565 -13.69% ✗ $375.6K
Dec 31, 2025 Dec 31, 2025 OGNALL ANDREW H EVP Chief Risk Officer Neutral 52.5 - 0.00% ✗ -
Dec 31, 2025 Seda Ivan A CFO Neutral 52.5 - 0.00% ✗ -
Dec 1, 2025 Lakely Brock EVP, Chief Accounting Officer Neutral 52.5 - 0.00% ✗ -
Dec 1, 2025 COLUMBIA BANKING SYSTEM, INC. EVP, Chief Accounting Officer Neutral 52.5 - 0.00% ✗ -
Nov 5, 2025 Nov 6, 2025 MACHUCA LUIS Director Neutral 52.5 - 0.00% ✗ -
Aug 31, 2025 Sep 3, 2025 GARDNER STEVEN R Director Neutral 90.0 +584,096 100.00% ✗ -
Aug 31, 2025 Sep 3, 2025 STUDENMUND JAYNIE M Director Neutral 90.0 +21,701 100.00% ✗ -
Aug 31, 2025 Sep 3, 2025 MITCHELL M CHRISTIAN Director Neutral 90.0 +37,960 100.00% ✗ -
Sep 3, 2025 STUDENMUND JAYNIE M Director Neutral 52.5 - 0.00% ✗ -
Sep 3, 2025 MITCHELL M CHRISTIAN Director Neutral 52.5 - 0.00% ✗ -
Sep 3, 2025 GARDNER STEVEN R Director Neutral 52.5 - 0.00% ✗ -
Jul 29, 2025 Jul 31, 2025 MACHUCA LUIS Director Neutral 52.5 - 0.00% ✗ -
Jul 22, 2025 Jul 23, 2025 Giem Judi EVP CHRO Neutral 52.5 - 0.00% ✗ -
Jun 9, 2025 Giem Judi Chief Human Resources Officer Neutral 52.5 - 0.00% ✗ -
Jun 2, 2025 Jun 3, 2025 MACHUCA LUIS Director Neutral 52.5 - 0.00% ✗ -
May 15, 2025 May 16, 2025 POPE MARIA M Director Neutral 85.0 +3,382 7.65% ✗ -
May 15, 2025 May 16, 2025 Finkelstein Mark A Director Neutral 90.0 +3,382 11.98% ✗ -
May 15, 2025 May 16, 2025 Forrest Eric Director Neutral 90.0 +3,382 11.65% ✗ -
May 15, 2025 May 16, 2025 Lund Randal Lee Director Neutral 90.0 +3,382 15.85% ✗ -
May 15, 2025 May 16, 2025 MACHUCA LUIS Director Neutral 90.0 +3,382 14.95% ✗ -
May 15, 2025 May 16, 2025 Numata S Mae Fujita Director Neutral 90.0 +3,382 10.03% ✗ -
May 15, 2025 May 16, 2025 SCHULTZ JOHN F Director Neutral 85.0 +3,382 7.34% ✗ -
May 15, 2025 May 16, 2025 SEATON ELIZABETH WHITEHEAD Director Neutral 90.0 +3,382 11.59% ✗ -
May 15, 2025 May 16, 2025 Terry Hilliard C. III Director Neutral 85.0 +3,382 7.02% ✗ -
May 15, 2025 May 16, 2025 Varnado Anddria Director Neutral 90.0 +3,382 14.35% ✗ -
Feb 25, 2025 Mar 14, 2025 FARNSWORTH RON L CFO Neutral 52.5 - 0.00% ✗ -
Feb 25, 2025 Mar 14, 2025 Merrywell Christopher Senior Executive VP Neutral 52.5 - 0.00% ✗ -
Feb 25, 2025 Mar 14, 2025 Nixon Torran B Senior Executive VP Neutral 52.5 - 0.00% ✗ -
Feb 25, 2025 Mar 14, 2025 O'HAVER CORT L Chair Neutral 52.5 - 0.00% ✗ -
Mar 4, 2025 Mar 5, 2025 Nixon Torran B Senior Executive VP Sell 37.5 -4,481 -3.91% ✓ $116.5K
Feb 28, 2025 Mar 4, 2025 White Lisa M PAO & Corporate Controller Sell 22.5 -2,119 -6.80% ✗ $56.6K
Feb 28, 2025 Mar 4, 2025 OGNALL ANDREW H Chief Human Resources Officer Sell 22.5 -3,420 -4.26% ✗ $91.4K
Feb 28, 2025 Mar 4, 2025 Nixon Torran B Senior Executive VP Sell 22.5 -7,067 -5.81% ✗ $188.9K
Feb 28, 2025 Mar 4, 2025 Namdar Frank Chief Credit Officer Sell 22.5 -2,775 -6.96% ✗ $74.2K
Feb 28, 2025 Mar 4, 2025 Moore Devine David Chief Marketing Officer Sell 26.3 -839 -3.52% ✗ $22.4K
Feb 28, 2025 Mar 4, 2025 Merrywell Christopher Senior Executive VP Sell 22.5 -3,230 -6.93% ✗ $86.3K
Feb 28, 2025 Mar 4, 2025 FARNSWORTH RON L CFO Sell 22.5 -6,003 -4.01% ✗ $160.5K
Feb 28, 2025 Mar 4, 2025 Dow Lisa Chief Risk Officer Sell 26.3 -1,285 -3.53% ✗ $34.3K
Feb 28, 2025 Mar 4, 2025 Deer Aaron James Chief Strategy/Innovation Offc Sell 26.3 -918 -2.14% ✗ $24.5K
Feb 28, 2025 Mar 4, 2025 BARUFFI KUMI YAMAMOTO General Counsel, Corporate Sec Sell 26.3 -1,799 -3.21% ✗ $48.1K
Feb 28, 2025 Mar 4, 2025 Anderson Drew K Chief Administrative Officer Sell 22.5 -3,071 -11.63% ✗ $82.1K
Feb 28, 2025 Mar 4, 2025 O'HAVER CORT L Chair Sell 20.0 -18,503 -4.52% ✗ $494.6K
Feb 28, 2025 Mar 4, 2025 Stein Clint CEO Sell 20.0 -9,789 -6.41% ✗ $261.7K
Feb 25, 2025 Feb 26, 2025 White Lisa M PAO & Corporate Controller Neutral 90.0 +6,578 26.76% ✗ -
Feb 25, 2025 Feb 26, 2025 OGNALL ANDREW H IMO General Counsel Neutral 52.5 - 0.00% ✗ -
Feb 25, 2025 Feb 26, 2025 Nixon Torran B Senior Executive VP Neutral 52.5 - 0.00% ✗ -
Feb 25, 2025 Feb 26, 2025 Namdar Frank Chief Credit Officer Neutral 52.5 - 0.00% ✗ -
Feb 25, 2025 Feb 26, 2025 Moore Devine David Chief Marketing Officer Neutral 52.5 - 0.00% ✗ -