Based on data from the past 90 days ending February 10, 2026, Columbia Banking System's three largest insider shareholders are Executive Chairman Cort L O'Haver (390.82K shares), Director Steven R Gardner (245.88K shares), Chair And President And Ceo Clint Stein (154.28K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Cort L O'Haver | Executive Chairman | 390,824 | 04 Mar, 2025 |
| Steven R Gardner | 245,875 | 03 Sep, 2025 | |
| Clint Stein | Chair And President And Ceo | 154,275 | 04 Feb, 2026 |
| Ron L Farnsworth | Chief Financial Officer | 141,162 | 04 Mar, 2025 |
| Torran B Nixon | Senior Executive Vp | 107,595 | 04 Feb, 2026 |
| Andrew H Ognall | Evp Chief Risk Officer | 74,937 | 04 Feb, 2026 |
| Tom Hulbert | 69,990 | 29 Nov, 2021 | |
| Kumi Yamamoto Baruffi | Evp General Counsel And Corp Sec | 55,106 | 04 Feb, 2026 |
| Hilliard C. Iii Terry | 51,565 | 16 May, 2025 | |
| Andy Mcdonald | Evp Chief Credit Officer | 49,686 | 02 Mar, 2023 |
| John F Schultz | 49,435 | 16 May, 2025 | |
| Maria M Pope | 47,569 | 16 May, 2025 | |
| Ford Elsaesser | 46,586 | 23 Feb, 2023 | |
| Christopher Merrywell | Senior Executive Vp | 45,963 | 04 Feb, 2026 |
| Sheri Burns | Chief Human Resources Officer | 42,488 | 12 Mar, 2024 |
| Aaron James Deer | Evp Chief Strategy/Innov Offcr | 42,374 | 04 Feb, 2026 |
| M Christian Mitchell | 37,960 | 03 Sep, 2025 | |
| S Mae Fujita Numata | 37,113 | 16 May, 2025 | |
| Craig D Eerkes | 35,346 | 14 May, 2024 | |
| Lisa Dow | Chief Risk Officer | 35,110 | 04 Mar, 2025 |
| Frank Namdar | Evp Chief Credit Officer | 33,447 | 04 Feb, 2026 |
| Elizabeth Whitehead Seaton | 32,566 | 16 May, 2025 | |
| Eric Forrest | 32,402 | 16 May, 2025 | |
| Mark A Finkelstein | 31,605 | 16 May, 2025 | |
| Eric J Eid | Evp Chief Digital & Tech Off | 29,243 | 02 Mar, 2023 |
| Lisa M White | Pao & Corporate Controller | 29,045 | 04 Mar, 2025 |
| David C Lawson | Evp Chief H.R. Officer | 28,152 | 02 Mar, 2023 |
| Anddria Varnado | 26,945 | 16 May, 2025 | |
| Luis Machuca | 26,004 | 16 May, 2025 | |
| Randal Lee Lund | 23,714 | 16 May, 2025 | |
| Drew K Anderson | Evp Chief Admin Officer | 23,274 | 04 Feb, 2026 |
| Devine David Moore | Evp Chief Marketing Officer | 23,267 | 04 Feb, 2026 |
| Michelle Lantow | 23,140 | 23 Feb, 2023 | |
| Jaynie M Studenmund | 21,701 | 03 Sep, 2025 | |
| Janine Terrano | 10,474 | 23 Feb, 2023 | |
| Peggy Y Fowler | 8,211 | 14 May, 2024 | |
| Brock Lakely | Svp Chief Accounting Officer | 6,194 | 01 Mar, 2023 |
| Tracy Mack-Askew | 4,236 | 23 Feb, 2023 | |
| Laura Alvarez Schrag | 4,236 | 23 Feb, 2023 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 02 Feb, 2026 | Clint Stein | Common Stock | A | 21,988 | $29.69 | 162,928 | D | A |
| 02 Feb, 2026 | Clint Stein | Common Stock | D | 8,653 | $29.69 | 154,275 | D | F |
| 02 Feb, 2026 | Clint Stein | Common Stock | A | 28,927 | $29.69 | 152,323 | D | A |
| 02 Feb, 2026 | Clint Stein | Common Stock | D | 11,383 | $29.69 | 140,940 | D | F |
| 02 Feb, 2026 | Andrew H Ognall | Common Stock | A | 4,510 | $29.69 | 76,866 | D | A |
| 02 Feb, 2026 | Andrew H Ognall | Common Stock | D | 1,929 | $29.69 | 74,937 | D | F |
| 02 Feb, 2026 | Kumi Yamamoto Baruffi | Common Stock | A | 5,093 | $29.69 | 57,216 | D | A |
| 02 Feb, 2026 | Kumi Yamamoto Baruffi | Common Stock | D | 2,110 | $29.69 | 55,106 | D | F |
| 02 Feb, 2026 | Torran B Nixon | Common Stock | D | 5,528 | $29.69 | 107,595 | D | F |
| 02 Feb, 2026 | Torran B Nixon | Common Stock | A | 13,844 | $29.69 | 113,123 | D | A |
| 02 Feb, 2026 | Frank Namdar | Common Stock | A | 4,667 | $29.69 | 35,830 | D | A |
| 02 Feb, 2026 | Frank Namdar | Common Stock | D | 2,383 | $29.69 | 33,447 | D | F |
| 02 Feb, 2026 | Christopher Merrywell | Common Stock | A | 12,576 | $29.69 | 50,912 | D | A |
| 02 Feb, 2026 | Christopher Merrywell | Common Stock | D | 4,949 | $29.69 | 45,963 | D | F |
| 02 Feb, 2026 | Devine David Moore | Common Stock | A | 2,095 | $29.69 | 24,232 | D | A |
| 02 Feb, 2026 | Devine David Moore | Common Stock | D | 965 | $29.69 | 23,267 | D | F |
| 02 Feb, 2026 | Aaron James Deer | Common Stock | A | 2,620 | $29.69 | 43,565 | D | A |
| 02 Feb, 2026 | Aaron James Deer | Common Stock | D | 1,191 | $29.69 | 42,374 | D | F |
| 02 Feb, 2026 | Drew K Anderson | Common Stock | D | 1,710 | $29.69 | 23,274 | D | F |
| 02 Feb, 2026 | Drew K Anderson | Common Stock | A | 3,146 | $29.69 | 24,984 | D | A |