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 |
| 2026-03-13 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 |
| 2026-03-13 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 |
| 2026-02-18 Option Award | 2026-02-20 7:45 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Seda Ivan A EVP, Chief Financial Officer | 12,804 | $31.24 | 12,804 (Direct) | View |
| 2026-02-18 Option Award | 2026-02-20 7:38 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | OGNALL ANDREW H EVP Chief Risk Officer | 8,002 | $31.24 | 55,407 (Direct) | View |
| 2026-02-18 Option Award | 2026-02-20 7:36 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Nixon Torran B Senior Executive VP | 16,645 | $31.24 | 54,065 (Direct) | View |
| 2026-02-18 Option Award | 2026-02-20 7:34 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Namdar Frank EVP Chief Credit Officer | 8,002 | $31.24 | 19,377 (Direct) | View |
| 2026-02-18 Option Award | 2026-02-20 7:31 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Moore Devine David EVP Chief Marketing Officer | 2,800 | $31.24 | 5,619 (Direct) | View |
| 2026-02-18 Option Award | 2026-02-20 7:30 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Merrywell Christopher Senior Executive VP | 16,645 | $31.24 | 56,304 (Direct) | View |
| 2026-02-18 Option Award | 2026-02-20 7:25 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Lakely Brock EVP, Chief Accounting Officer | 5,601 | $31.24 | 10,656 (Direct) | View |
| 2026-02-18 Option Award | 2026-02-20 7:24 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Giem Judi EVP CHRO | 8,322 | $31.24 | 15,501 (Direct) | View |
| 2026-02-18 Option Award | 2026-02-20 7:22 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Deer Aaron James EVP Chief Strategy/Innov Offcr | 4,001 | $31.24 | 8,700 (Direct) | View |
| 2026-02-18 Option Award | 2026-02-20 7:21 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | BARUFFI KUMI YAMAMOTO EVP General Counsel, Corp Sec | 8,322 | $31.24 | 15,464 (Direct) | View |
| 2026-02-18 Option Award | 2026-02-20 7:19 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Anderson Drew K EVP Chief Admin Officer | 8,002 | $31.24 | 53,113 (Direct) | View |
| 2026-02-15 Tax Withholding | 2026-02-18 6:34 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Stein Clint Chair, President, CEO | 3,922 | $31.49 | 150,353 (Direct) | View |
| 2026-02-15 Tax Withholding | 2026-02-18 6:33 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | OGNALL ANDREW H EVP Chief Risk Officer | 931 | $31.49 | 76,641 (Direct) | View |
| 2026-02-15 Tax Withholding | 2026-02-18 6:32 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Nixon Torran B Senior Executive VP | 1,905 | $31.49 | 111,209 (Direct) | View |
| 2026-02-15 Tax Withholding | 2026-02-18 6:31 pm | N/A N/A | COLUMBIA BANKING SYSTEM INC. | COLB | Namdar Frank EVP Chief Credit Officer | 1,169 | $31.49 | 36,404 (Direct) | View |