As of May 04, 2026, Columbia Banking System's top three insider holders are Steven R Gardner (Director, 584.10K shares), Cort L O'Haver (Executive Chairman, 390.82K shares), Cort L O'Haver (Executive Chairman, 390.82K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Steven R Gardner | - | 245,875 | 338,221 | 03 Sep, 2025 |
| Cort L O'Haver | Executive Chairman | 390,824 | 0 | 04 Mar, 2025 |
| Cort L O'Haver | Executive Chairman | 390,824 | 0 | 04 Mar, 2025 |
| Clint Stein | Chair, Ceo, President | 151,584 | 0 | 17 Mar, 2026 |
| Clint Stein | Chair, Ceo, President | 151,584 | 0 | 17 Mar, 2026 |
| Ron L Farnsworth | Chief Financial Officer | 141,162 | 0 | 04 Mar, 2025 |
| Ron L Farnsworth | Chief Financial Officer | 141,162 | 0 | 04 Mar, 2025 |
| Torran B Nixon | Senior Executive Vp | 101,240 | 0 | 17 Mar, 2026 |
| Torran B Nixon | Senior Executive Vp | 101,240 | 0 | 17 Mar, 2026 |
| Andrew H Ognall | Evp Chief Risk Officer | 74,132 | 0 | 17 Mar, 2026 |
| Andrew H Ognall | Evp Chief Risk Officer | 74,132 | 0 | 17 Mar, 2026 |
| Tom Hulbert | - | 69,990 | 0 | 29 Nov, 2021 |
| Tom Hulbert | - | 69,990 | 0 | 29 Nov, 2021 |
| Kumi Yamamoto Baruffi | Evp General Counsel, Corp Sec | 53,715 | 0 | 20 Mar, 2026 |
| Hilliard C. Iii Terry | - | 51,565 | 0 | 16 May, 2025 |
| Hilliard C. Iii Terry | - | 51,565 | 0 | 16 May, 2025 |
| Andy Mcdonald | Evp Chief Credit Officer | 49,686 | 0 | 02 Mar, 2023 |
| Andy Mcdonald | Evp Chief Credit Officer | 49,686 | 0 | 02 Mar, 2023 |
| John F Schultz | - | 49,435 | 0 | 16 May, 2025 |
| Christopher Merrywell | Evp Chief Operating Officer | 47,924 | 0 | 02 Mar, 2023 |
| Christopher Merrywell | Evp Chief Operating Officer | 47,924 | 0 | 02 Mar, 2023 |
| Maria M Pope | - | 47,569 | 0 | 16 May, 2025 |
| Ford Elsaesser | - | 46,586 | 0 | 23 Feb, 2023 |
| Christopher Merrywell | Senior Executive Vp | 44,067 | 0 | 17 Mar, 2026 |
| Christopher Merrywell | Senior Executive Vp | 44,067 | 0 | 17 Mar, 2026 |
| Kumi Yamamoto Baruffi | Evp General Counsel | 43,164 | 0 | 02 Mar, 2023 |
| Sheri Burns | Chief Human Resources Officer | 42,488 | 0 | 12 Mar, 2024 |
| Aaron James Deer | Evp Chief Strategy/Innov Offcr | 41,875 | 0 | 17 Mar, 2026 |
| Aaron James Deer | Evp Chief Strategy/Innov Offcr | 41,875 | 0 | 17 Mar, 2026 |
| M Christian Mitchell | - | 37,960 | 0 | 03 Sep, 2025 |
| S Mae Fujita Numata | - | 37,113 | 0 | 16 May, 2025 |
| S Mae Fujita Numata | - | 37,113 | 0 | 16 May, 2025 |
| Craig D Eerkes | - | 35,346 | 0 | 14 May, 2024 |
| Craig D Eerkes | - | 35,346 | 0 | 14 May, 2024 |
| Aaron James Deer | Evp Chief Financial Officer | 35,290 | 0 | 02 Mar, 2023 |
| Aaron James Deer | Evp Chief Financial Officer | 35,290 | 0 | 02 Mar, 2023 |
| Lisa Dow | Chief Risk Officer | 35,110 | 0 | 04 Mar, 2025 |
| Lisa Dow | Chief Risk Officer | 35,110 | 0 | 04 Mar, 2025 |
| Elizabeth Whitehead Seaton | - | 32,566 | 0 | 16 May, 2025 |
| Elizabeth Whitehead Seaton | - | 32,566 | 0 | 16 May, 2025 |
| Eric Forrest | - | 32,402 | 0 | 16 May, 2025 |
| Eric Forrest | - | 32,402 | 0 | 16 May, 2025 |
| Frank Namdar | Evp Chief Credit Officer | 31,923 | 0 | 17 Mar, 2026 |
| Mark A Finkelstein | - | 31,605 | 0 | 16 May, 2025 |
| Mark A Finkelstein | - | 31,605 | 0 | 16 May, 2025 |
| Lisa Dow | Evp Chief Risk Officer | 29,271 | 0 | 02 Mar, 2023 |
| Lisa Dow | Evp Chief Risk Officer | 29,271 | 0 | 02 Mar, 2023 |
| Eric J Eid | Evp Chief Digital Tech Off | 29,243 | 0 | 02 Mar, 2023 |
| Eric J Eid | Evp Chief Digital Tech Off | 29,243 | 0 | 02 Mar, 2023 |
| Lisa M White | Pao Corporate Controller | 29,045 | 0 | 04 Mar, 2025 |
| Lisa M White | Pao Corporate Controller | 29,045 | 0 | 04 Mar, 2025 |
| David C Lawson | Evp Chief H.R. Officer | 28,152 | 0 | 02 Mar, 2023 |
| David C Lawson | Evp Chief H.R. Officer | 28,152 | 0 | 02 Mar, 2023 |
| Anddria Varnado | - | 26,945 | 0 | 16 May, 2025 |
| Anddria Varnado | - | 26,945 | 0 | 16 May, 2025 |
| Luis Machuca | - | 26,004 | 0 | 16 May, 2025 |
| Luis Machuca | - | 26,004 | 0 | 16 May, 2025 |
| Randal Lee Lund | - | 23,714 | 0 | 16 May, 2025 |
| Randal Lee Lund | - | 23,714 | 0 | 16 May, 2025 |
| Michelle Lantow | - | 23,140 | 0 | 23 Feb, 2023 |
| Michelle Lantow | - | 23,140 | 0 | 23 Feb, 2023 |
| Devine David Moore | Evp Chief Marketing Officer | 22,508 | 0 | 17 Mar, 2026 |
| Devine David Moore | Evp Chief Marketing Officer | 22,508 | 0 | 17 Mar, 2026 |
| Drew K Anderson | Evp Chief Admin Officer | 21,969 | 0 | 17 Mar, 2026 |
| Craig D Eerkes | - | 21,965 | 0 | 23 Feb, 2023 |
| Craig D Eerkes | - | 21,965 | 0 | 23 Feb, 2023 |
| Jaynie M Studenmund | - | 17,858 | 3,843 | 03 Sep, 2025 |
| Jaynie M Studenmund | - | 17,858 | 3,843 | 03 Sep, 2025 |
| Devine David Moore | Evp Chief Mktg Exp Officer | 19,586 | 0 | 02 Mar, 2023 |
| Devine David Moore | Evp Chief Mktg Exp Officer | 19,586 | 0 | 02 Mar, 2023 |
| Elizabeth Whitehead Seaton | - | 17,640 | 0 | 23 Feb, 2023 |
| Elizabeth Whitehead Seaton | - | 17,640 | 0 | 23 Feb, 2023 |
| Mark A Finkelstein | - | 15,640 | 0 | 23 Feb, 2023 |
| Mark A Finkelstein | - | 15,640 | 0 | 23 Feb, 2023 |
| Randal Lee Lund | - | 11,473 | 0 | 23 Feb, 2023 |
| Randal Lee Lund | - | 11,473 | 0 | 23 Feb, 2023 |
| Brock Lakely | Evp, Chief Accounting Officer | 10,708 | 0 | 16 Apr, 2026 |
| Janine Terrano | - | 10,474 | 0 | 23 Feb, 2023 |
| Janine Terrano | - | 10,474 | 0 | 23 Feb, 2023 |
| Peggy Y Fowler | - | 8,211 | 0 | 14 May, 2024 |
| Brock Lakely | Svp Chief Accounting Officer | 6,194 | 0 | 01 Mar, 2023 |
| Laura Alvarez Schrag | - | 4,236 | 0 | 23 Feb, 2023 |
| Tracy Mack-Askew | - | 4,236 | 0 | 23 Feb, 2023 |
| Tracy Mack-Askew | - | 4,236 | 0 | 23 Feb, 2023 |
| Laura Alvarez Schrag | - | 4,236 | 0 | 23 Feb, 2023 |
| S Mae Fujita Numata | - | 1,225 | 0 | 30 Jan, 2024 |
| S Mae Fujita Numata | - | 1,225 | 0 | 30 Jan, 2024 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 15 Apr, 2026 | Brock Lakely | Common Stock | D | 396 | $29.10 | 10,708 | D | F |
| 13 Mar, 2026 | Brock Lakely | Common Stock | D | 211 | $26.23 | 11,104 | D | F |
| 13 Mar, 2026 | Kumi Yamamoto Baruffi | Common Stock | D | 937 | $26.23 | 53,715 | D | F |
| 13 Mar, 2026 | Andrew H Ognall | Common Stock | A | 2,381 | $26.23 | 75,083 | D | M |
| 13 Mar, 2026 | Kumi Yamamoto Baruffi | Common Stock | A | 2,381 | $26.23 | 54,652 | D | M |
| 13 Mar, 2026 | Christopher Merrywell | Common Stock | A | 5,013 | $26.23 | 46,040 | D | M |
| 13 Mar, 2026 | Drew K Anderson | Common Stock | A | 2,506 | $26.23 | 23,184 | D | M |
| 13 Mar, 2026 | Christopher Merrywell | Common Stock | A | 5,013 | $26.23 | 46,040 | D | M |
| 13 Mar, 2026 | Devine David Moore | Common Stock | A | 940 | $26.23 | 22,884 | D | M |
| 13 Mar, 2026 | Aaron James Deer | Common Stock | A | 1,567 | $26.23 | 42,492 | D | M |
| 13 Mar, 2026 | Clint Stein | Common Stock | A | 18,171 | $26.23 | 158,735 | D | M |
| 13 Mar, 2026 | Clint Stein | Common Stock | A | 18,171 | $26.23 | 158,735 | D | M |
| 13 Mar, 2026 | Aaron James Deer | Common Stock | A | 1,567 | $26.23 | 42,492 | D | M |
| 13 Mar, 2026 | Torran B Nixon | Common Stock | A | 5,013 | $26.23 | 103,242 | D | M |
| 13 Mar, 2026 | Torran B Nixon | Common Stock | A | 5,013 | $26.23 | 103,242 | D | M |
| 13 Mar, 2026 | Andrew H Ognall | Common Stock | A | 2,381 | $26.23 | 75,083 | D | M |
| 13 Mar, 2026 | Brock Lakely | Common Stock | A | 846 | $26.23 | 11,315 | D | M |
| 16 Mar, 2026 | Luis Machuca | Deferred Compensation Phantom Stock | A | 659 | $26.83 | 48,403 | I | A |
| 13 Mar, 2026 | Devine David Moore | Common Stock | A | 940 | $26.23 | 22,884 | D | M |
| 13 Mar, 2026 | Frank Namdar | Common Stock | A | 2,820 | $26.23 | 33,290 | D | M |