Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-06-30 Purchase | 2026-07-02 5:17 pm | COLUMBIA BANKING SYSTEM INC. | COLB | Deer Aaron James EVP Chief Strategy/Innov Offcr | 886 | $25.37 | $22,478 | 42,761 (Direct) | View |
| 2026-06-08 Sale | 2026-06-10 4:52 pm | COLUMBIA BANKING SYSTEM INC. | COLB | Moore Devine David EVP Chief Marketing Officer | 3,872 | $29.77 | $115,288 | 18,636 (Direct) | View |
| 2026-03-13 Sale | 2026-03-17 8:31 pm | COLUMBIA BANKING SYSTEM INC. | COLB | Lakely Brock EVP, Chief Accounting Officer | 211 | $26.23 | $5,535 | 20,914 (Direct) | View |
| 2026-03-13 Sale | 2026-03-17 8:26 pm | COLUMBIA BANKING SYSTEM INC. | COLB | BARUFFI KUMI YAMAMOTO EVP General Counsel, Corp Sec | 937 | $26.23 | $24,578 | 66,798 (Direct) | View |
| 2026-03-03 Sale | 2026-03-05 4:27 pm | COLUMBIA BANKING SYSTEM INC. | COLB | Nixon Torran B Senior Executive VP | 4,481 | $28.55 | $127,932 | 103,755 (Indirect Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-08-14 Exercise | 2026-08-18 4:50 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Giem Judi EVP CHRO | 2,393 | $0 | 14,858 (Direct) | View |
| 2026-08-14 Tax Withholding | 2026-08-18 4:50 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Giem Judi EVP CHRO | 643 | $32.69 | 14,858 (Direct) | View |
| 2026-08-14 Exercise | 2026-08-18 4:50 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Giem Judi EVP CHRO | 2,393 | $32.69 | 14,858 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-16 4:46 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | MACHUCA LUIS Director | 563 | $31.78 | 48,966 (Indirect) | View |
| 2026-05-14 Option Award | 2026-05-18 5:18 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Varnado Anddria Director | 3,949 | $0 | 30,894 (Direct) | View |
| 2026-05-14 Option Award | 2026-05-18 5:17 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Terry Hilliard C. III Director | 3,949 | $0 | 55,514 (Direct) | View |
| 2026-05-14 Option Award | 2026-05-18 5:16 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | STUDENMUND JAYNIE M Director | 3,949 | $0 | 25,650 (Direct) | View |
| 2026-05-14 Option Award | 2026-05-18 5:14 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | SEATON ELIZABETH WHITEHEAD Director | 3,949 | $0 | 36,515 (Direct) | View |
| 2026-05-14 Option Award | 2026-05-18 5:13 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | SCHULTZ JOHN F Director | 3,949 | $0 | 50,384 (Direct) | View |
| 2026-05-14 Option Award | 2026-05-18 5:10 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | MITCHELL M CHRISTIAN Director | 3,949 | $0 | 41,909 (Direct) | View |
| 2026-05-14 Option Award | 2026-05-18 5:10 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | MACHUCA LUIS Director | 3,949 | $0 | 29,953 (Direct) | View |
| 2026-05-14 Option Award | 2026-05-18 5:09 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Lund Randal Lee Director | 3,949 | $0 | 28,663 (Direct) | View |
| 2026-05-14 Option Award | 2026-05-18 4:31 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Forrest Eric Director | 3,949 | $0 | 36,351 (Direct) | View |
| 2026-05-14 Option Award | 2026-05-18 4:30 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Finkelstein Mark A Director | 3,949 | $0 | 35,554 (Direct) | View |
| 2026-04-15 Tax Withholding | 2026-04-16 5:31 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Lakely Brock EVP, Chief Accounting Officer | 396 | $29.1 | 10,708 (Direct) | View |
| 2026-03-13 Tax Withholding(A) | 2026-03-20 7:26 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | BARUFFI KUMI YAMAMOTO EVP General Counsel, Corp Sec | 937 | $26.23 | 53,715 (Direct) | View |
| 2026-03-13 Tax Withholding(A) | 2026-03-20 7:25 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Lakely Brock EVP, Chief Accounting Officer | 211 | $26.23 | 11,104 (Direct) | View |
| 2026-03-16 Option Award | 2026-03-17 8:50 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | MACHUCA LUIS Director | 659 | $26.83 | 48,403 (Indirect) | View |
| 2026-03-13 Exercise | 2026-03-17 8:48 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Stein Clint Chair, CEO, President | 18,171 | $0 | 318,568 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:48 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Stein Clint Chair, CEO, President | 18,171 | $26.23 | 318,568 (Direct) | View |
| 2026-03-13 Tax Withholding | 2026-03-17 8:48 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Stein Clint Chair, CEO, President | 7,151 | $26.23 | 318,568 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:45 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | OGNALL ANDREW H EVP Chief Risk Officer | 2,381 | $0 | 129,793 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:45 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | OGNALL ANDREW H EVP Chief Risk Officer | 2,381 | $26.23 | 129,793 (Direct) | View |
| 2026-03-13 Tax Withholding | 2026-03-17 8:45 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | OGNALL ANDREW H EVP Chief Risk Officer | 951 | $26.23 | 129,793 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:43 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Nixon Torran B Senior Executive VP | 5,013 | $0 | 155,852 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:43 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Nixon Torran B Senior Executive VP | 5,013 | $26.23 | 155,852 (Direct) | View |
| 2026-03-13 Tax Withholding | 2026-03-17 8:43 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Nixon Torran B Senior Executive VP | 2,002 | $26.23 | 155,852 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:39 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Namdar Frank EVP Chief Credit Officer | 2,820 | $0 | 49,742 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:39 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Namdar Frank EVP Chief Credit Officer | 2,820 | $26.23 | 49,742 (Direct) | View |
| 2026-03-13 Tax Withholding | 2026-03-17 8:39 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Namdar Frank EVP Chief Credit Officer | 1,367 | $26.23 | 49,742 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:35 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Moore Devine David EVP Chief Marketing Officer | 940 | $0 | 27,187 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:35 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Moore Devine David EVP Chief Marketing Officer | 940 | $26.23 | 27,187 (Direct) | View |
| 2026-03-13 Tax Withholding | 2026-03-17 8:35 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Moore Devine David EVP Chief Marketing Officer | 376 | $26.23 | 27,187 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:33 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Merrywell Christopher Senior Executive VP | 5,013 | $0 | 95,358 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:33 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Merrywell Christopher Senior Executive VP | 5,013 | $26.23 | 95,358 (Direct) | View |
| 2026-03-13 Tax Withholding | 2026-03-17 8:33 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Merrywell Christopher Senior Executive VP | 1,973 | $26.23 | 95,358 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:31 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Lakely Brock EVP, Chief Accounting Officer | 846 | $0 | 20,914 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:31 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Lakely Brock EVP, Chief Accounting Officer | 846 | $26.23 | 20,914 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:27 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Deer Aaron James EVP Chief Strategy/Innov Offcr | 1,567 | $0 | 49,008 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:27 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Deer Aaron James EVP Chief Strategy/Innov Offcr | 1,567 | $26.23 | 49,008 (Direct) | View |
| 2026-03-13 Tax Withholding | 2026-03-17 8:27 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Deer Aaron James EVP Chief Strategy/Innov Offcr | 617 | $26.23 | 49,008 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:26 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | BARUFFI KUMI YAMAMOTO EVP General Counsel, Corp Sec | 2,381 | $0 | 66,798 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:26 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | BARUFFI KUMI YAMAMOTO EVP General Counsel, Corp Sec | 2,381 | $26.23 | 66,798 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:24 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Anderson Drew K EVP Chief Admin Officer | 2,506 | $0 | 72,576 (Direct) | View |
| 2026-03-13 Exercise | 2026-03-17 8:24 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Anderson Drew K EVP Chief Admin Officer | 2,506 | $26.23 | 72,576 (Direct) | View |
| 2026-03-13 Tax Withholding | 2026-03-17 8:24 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Anderson Drew K EVP Chief Admin Officer | 1,215 | $26.23 | 72,576 (Direct) | View |
| 2026-03-01 Tax Withholding | 2026-03-02 9:09 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Stein Clint Chair, President, CEO | 9,789 | $28.45 | 140,564 (Direct) | View |
| 2026-03-01 Tax Withholding | 2026-03-02 9:06 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | OGNALL ANDREW H EVP Chief Risk Officer | 1,304 | $28.45 | 75,337 (Direct) | View |
| 2026-03-01 Tax Withholding | 2026-03-02 9:05 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Nixon Torran B Senior Executive VP | 2,980 | $28.45 | 108,236 (Direct) | View |
| 2026-03-01 Tax Withholding | 2026-03-02 9:04 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Namdar Frank EVP Chief Credit Officer | 1,808 | $28.45 | 34,616 (Direct) | View |
| 2026-03-01 Tax Withholding | 2026-03-02 9:03 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Merrywell Christopher Senior Executive VP | 3,230 | $28.45 | 41,027 (Direct) | View |
| 2026-03-01 Tax Withholding | 2026-03-02 9:02 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Lakely Brock EVP, Chief Accounting Officer | 391 | $28.45 | 10,469 (Direct) | View |
| 2026-03-01 Tax Withholding | 2026-03-02 9:00 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Moore Devine David EVP Chief Marketing Officer | 838 | $28.45 | 21,944 (Direct) | View |
| 2026-03-01 Tax Withholding | 2026-03-02 8:59 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Deer Aaron James EVP Chief Strategy/Innov Offcr | 918 | $28.45 | 40,925 (Direct) | View |
| 2026-03-01 Tax Withholding | 2026-03-02 8:57 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | BARUFFI KUMI YAMAMOTO EVP General Counsel, Corp Sec | 1,799 | $28.45 | 52,271 (Direct) | View |
| 2026-03-01 Tax Withholding | 2026-03-02 8:52 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Anderson Drew K EVP Chief Admin Officer | 1,808 | $28.45 | 20,678 (Direct) | View |
| 2026-02-18 Option Award | 2026-02-20 7:46 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Stein Clint Chair, President, CEO | 56,017 | $31.24 | 185,155 (Direct) | View |