Columbia Banking System, Inc.
COLB- Exchange
- Nasdaq
- Industry
- State Commercial Banks
- SEC CIK
- 0000887343
In the last 90 days, Columbia Banking System, Inc. insiders filed 1 open-market purchase and 0 sales; 555 institutions reported holding it in 13F filings for Q2 2026, worth $8.64B in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Columbia Banking System, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 1 filing
- 1 insider, $22.5K in total
- Open-market sells
- 0 filings
- Insiders trading
- 1
- Net value
- +$22.5K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Columbia Banking System, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Machuca Luis | Director | 29,953 | Sep 15, 2026 | 6 |
| Gardner Steven R | Director | 2,577 | Sep 8, 2026 | 2 |
| Lagomarsino Simone | Director | 2,670 | Sep 4, 2026 | 1 |
| Giem Judi | EVP CHRO | 1,750 | Aug 18, 2026 | 2 |
| Deer Aaron James | EVP Chief Strategy/Innov Offcr | 42,761 | Jul 2, 2026 | 7 |
| Moore Devine David | EVP Chief Marketing Officer | 18,636 | Jun 10, 2026 | 7 |
| Studenmund Jaynie M | Director | 21,807 | May 18, 2026 | 1 |
| Mitchell M Christian | Director | 41,909 | May 18, 2026 | 1 |
| Terry Hilliard C. III | Director | 55,514 | May 18, 2026 | 1 |
| Finkelstein Mark A | Director | 35,554 | May 18, 2026 | 1 |
| Schultz John F | Director | 50,384 | May 18, 2026 | 1 |
| Seaton Elizabeth Whitehead | Director | 3,949 | May 18, 2026 | 1 |
| Forrest Eric | Director | 36,351 | May 18, 2026 | 1 |
| Lund Randal Lee | Director | 27,663 | May 18, 2026 | 1 |
| Varnado Anddria | Director | 30,894 | May 18, 2026 | 1 |
| Lakely Brock | EVP, Chief Accounting Officer | 10,708 | Apr 16, 2026 | 4 |
| Baruffi Kumi Yamamoto | EVP General Counsel, Corp Sec | 53,715 | Mar 20, 2026 | 6 |
| Stein Clint | Chair, CEO, President | 151,584 | Mar 17, 2026 | 6 |
| Ognall Andrew H | EVP Chief Risk Officer | 74,132 | Mar 17, 2026 | 7 |
| Nixon Torran B | Senior Executive VP | 101,240 | Mar 17, 2026 | 7 |
| Namdar Frank | EVP Chief Credit Officer | 31,923 | Mar 17, 2026 | 6 |
| Merrywell Christopher | Senior Executive VP | 44,067 | Mar 17, 2026 | 6 |
| Anderson Drew K | EVP Chief Admin Officer | 21,969 | Mar 17, 2026 | 6 |
| Seda Ivan A | EVP, Chief Financial Officer | – | Feb 20, 2026 | 1 |
| Pope Maria M | Director | 47,569 | May 16, 2025 | 0 |
| Numata S Mae Fujita | Director | 37,113 | May 16, 2025 | 0 |
| Farnsworth Ron L | Chief Financial Officer | 141,162 | Mar 14, 2025 | 0 |
| O'Haver Cort L | Executive Chairman | 390,824 | Mar 14, 2025 | 0 |
| Dow Lisa | Chief Risk Officer | 35,110 | Mar 4, 2025 | 0 |
| White Lisa M | PAO & Corporate Controller | 29,045 | Mar 4, 2025 | 0 |
| Fowler Peggy Y | Director | 8,211 | May 14, 2024 | 0 |
| Eerkes Craig D | Director | 35,346 | May 14, 2024 | 0 |
| Burns Sheri | Chief Human Resources Officer | 42,488 | Mar 12, 2024 | 0 |
| McDonald Andy | EVP Chief Credit Officer | 49,686 | Mar 2, 2023 | 0 |
| Lawson David C | EVP Chief H.R. Officer | 28,152 | Mar 2, 2023 | 0 |
| Eid Eric J | EVP Chief Digital & Tech Off | 29,243 | Mar 2, 2023 | 0 |
| Elsaesser Ford | Director | 46,586 | Mar 1, 2023 | 0 |
| Lantow Michelle | Director | 23,140 | Mar 1, 2023 | 0 |
| Terrano Janine | Director | 10,474 | Mar 1, 2023 | 0 |
| Schrag Laura Alvarez | Director | 4,236 | Mar 1, 2023 | 0 |
| Mack-Askew Tracy | Director | 4,236 | Mar 1, 2023 | 0 |
| Hulbert Tom | Director | 69,990 | May 5, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 2, 2026 (view filing)5:17 PM ET | Jun 30 | 2 days | Deer Aaron JamesEVP Chief Strategy/Innov Offcr | PPurchase | +886 | $25.37 | +$22.5K | +2.1%42.8K after | |
| Jun 10, 2026 (view filing) | Jun 8 | 2 days | Moore Devine DavidEVP Chief Marketing Officer | SSale | −3.87K | $29.78 | −$115.3K | −17.2%18.6K after | 2 lots |
| Mar 5, 2026 (view filing) | Mar 3-4 | 2 days | Nixon Torran BSenior Executive VP | SSale | −4.48K | $28.55 | −$127.9K | −4.4%98.2K after | 2 lots10b5-1 |
| Feb 3, 2026 (view filing) | Jan 30 | 4 days | Gardner Steven RDirector | SSale | −13.7K | $29.43 | −$403.9K | −100.0%0 after | |
| Mar 5, 2025 (view filing) | Mar 4 | 1 day | Nixon Torran BSenior Executive VP | SSale | −4.48K | $25.99 | −$116.5K | −4.1%104.9K after | 10b5-1 |
| Feb 7, 2024 (view filing) | Feb 6 | 1 day | Seaton Elizabeth WhiteheadDirector | PPurchase | +2.69K | $18.48 | +$49.6K | +12.0%25.0K after | |
| Feb 2, 2024 (view filing) | Feb 1 | 1 day | Lund Randal LeeDirector | PPurchase | +1.00K | $19.29 | +$19.3K | +6.2%17.1K after | |
| Feb 1, 2024 (view filing) | Jan 31 | 1 day | Machuca LuisDirector | PPurchase | +4.89K | $20.58 | +$100.6K | +8.7%60.8K after | |
| Feb 1, 2024 (view filing) | Feb 1 | Same day | Deer Aaron JamesChief Strategy/Innovation Offc | PPurchase | +2.00K | $19.32 | +$38.6K | +5.7%36.9K after | |
| Feb 1, 2024 (view filing) | Jan 31 | 1 day | Nixon Torran BSenior Executive VP | PPurchase | +3.65K | $20.49 | +$74.8K | +2.8%135.8K after | |
| Jan 31, 2024 (view filing) | Jan 30 | 1 day | Eerkes Craig DDirector | PPurchase | +2.14K | $20.82 | +$44.6K | +7.4%31.2K after | 4 lots |
| Jan 31, 2024 (view filing) | Jan 30 | 1 day | Merrywell ChristopherSenior Executive VP | PPurchase | +5.00K | $21.09 | +$105.5K | +10.9%50.7K after | |
| Jan 30, 2024 (view filing) | Jan 30 | Same day | Stein ClintPresident, CEO | PPurchase | +9.50K | $20.96 | +$199.1K | +6.1%165.7K after | 3 lots |
| Jan 30, 2024 (view filing) | Jan 30 | Same day | Numata S Mae FujitaDirector | PPurchase | +2.00K | $21.09 | +$42.2K | +7.6%28.3K after | 2 lots |
| Jan 30, 2024 (view filing) | Jan 30 | Same day | Numata S Mae FujitaDirector | PPurchaseCommon | +400 | $21.09 | +$8.44K | +48.5%1.23K after | |
| Jan 30, 2024 (view filing) | Jan 30 | Same day | Finkelstein Mark ADirector | PPurchase | +3.59K | $20.87 | +$75.0K | +17.7%23.9K after | |
| Jan 30, 2024 (view filing) | Jan 29 | 1 day | Forrest EricDirector | PPurchase | +4.75K | $20.89 | +$99.2K | +23.6%24.8K after | |
| Jan 30, 2024 (view filing) | Jan 29 | 1 day | Farnsworth Ron LChief Financial Officer | PPurchase | +2.50K | $20.71 | +$51.8K | +1.6%160.1K after | |
| Jan 30, 2024 (view filing) | Jan 29 | 1 day | Schultz John FDirector | PPurchase | +8.56K | $20.40 | +$174.6K | +25.7%41.9K after | |
| Jul 5, 2023 (view filing) | Jun 30 | 5 days | Baruffi Kumi YamamotoGeneral Counsel, Corporate Sec | PPurchase | +854 | $18.25 | +$15.6K | +2.0%43.5K after | |
| Jul 5, 2023 (view filing) | Jun 30 | 5 days | Deer Aaron JamesChief Strategy/Innovation Offc | PPurchase | +854 | $18.25 | +$15.6K | +2.4%36.1K after | |
| May 24, 2023 (view filing) | May 24 | Same day | Eerkes Craig DDirector | PPurchase | +2.38K | $21.01 | +$50.0K | +8.9%29.0K after | |
| Jan 4, 2023 (view filing) | Dec 30, 2022 | 5 days | Baruffi Kumi YamamotoEVP General Counsel | PPurchaseCommon | +232 | $26.84 | +$6.23K | +1.0%23.8K after | |
| Jan 4, 2023 (view filing) | Dec 30, 2022 | 5 days | Lawson David CEVP Chief H.R. Officer | PPurchaseCommon | +264 | $26.84 | +$7.09K | +1.3%21.2K after | |
| Jul 1, 2022 (view filing) | Jun 30 | 1 day | Lawson David CEVP & Chief H.R. Officer | PPurchaseCommon | +271 | $25.79 | +$6.99K | +1.3%20.9K after | |
| Jul 1, 2022 (view filing) | Jun 30 | 1 day | Baruffi Kumi YamamotoEVP and General Counsel | PPurchaseCommon | +446 | $25.79 | +$11.5K | +1.9%23.6K after | |
| Jul 1, 2022 (view filing) | Jun 30 | 1 day | Deer Aaron JamesEVP Chief Financial Officer | PPurchaseCommon | +748 | $25.79 | +$19.3K | +4.8%16.2K after | |
| Jun 13, 2022 (view filing) | Jun 10 | 3 days | Eerkes Craig DDirector | PPurchaseCommon | +1.69K | $28.52 | +$48.3K | +9.1%20.2K after | |
| May 4, 2022 (view filing) | May 2 | 2 days | Deer Aaron JamesEVP Chief Financial Officer | PPurchaseCommon | +3.00K | $28.00 | +$84.0K | +24.1%15.4K after | |
| Feb 24, 2022 (view filing) | Feb 24 | Same day | Deer Aaron JamesEVP Chief Financial Officer | PPurchaseCommon | +3.00K | $33.45 | +$100.3K | +31.8%12.4K after | |
| Jan 5, 2022 (view filing) | Jan 4 | 1 day | Lawson David CEVP & Chief H.R. Officer | PPurchaseCommon | +116 | $29.45 | +$3.42K | +0.6%19.3K after | |
| Jan 5, 2022 (view filing) | Jan 4 | 1 day | Baruffi Kumi YamamotoEVP and General Counsel | PPurchaseCommon | +186 | $29.45 | +$5.48K | +0.9%21.3K after | |
| Nov 29, 2021 (view filing) | Nov 26 | 3 days | Hulbert TomDirector | PPurchaseCommon | +11.1K | $32.21 | +$356.7K | +18.8%70.0K after | 12 lots |
| Jul 6, 2021 (view filing) | Jul 6 | Same day | Lawson David CEVP & Chief H.R. Officer | PPurchaseCommon | +190 | $31.64 | +$6.01K | +1.0%19.2K after | |
| Jul 6, 2021 (view filing) | Jul 6 | Same day | Deer Aaron JamesEVP Chief Financial Officer | PPurchaseCommon | +711 | $31.64 | +$22.5K | +11.2%7.08K after | |
| Jul 6, 2021 (view filing) | Jul 6 | Same day | Baruffi Kumi YamamotoEVP and General Counsel | PPurchaseCommon | +304 | $31.64 | +$9.62K | +1.5%21.2K after |