CIK 0000887343 · Large accelerated filer
COLUMBIA BANKING SYSTEM, INC.
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- COLB
- Exchange
- Nasdaq
- Industry
- State Commercial Banks
- FY end
- Dec 31
- Incorporated
- WA
- Entity type
- operating
- EIN
- 911422237
- Phone
- 2533051900
- Business address
- 1301 A STREET, TACOMA, WA, 98402
- Former names
- COLUMBIA BANKING SYSTEM INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $328,617
- in 1 filing
Net −$328,617. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-03-13 | Merrywell Christopher Senior Executive VP | Option exercise | +5,013 | $26.23 | $131K | 46,040 |
| 2026-03-13 | Merrywell Christopher Senior Executive VP | Shares withheld for taxes | −1,973 | $26.23 | $52K | 44,067 |
| 2026-03-13 | Merrywell Christopher Senior Executive VP | Option exercise · Restricted Stock Unit | −5,013 | 51,291 | ||
| 2026-03-13 | Namdar Frank EVP Chief Credit Officer | Option exercise | +2,820 | $26.23 | $74K | 33,290 |
| 2026-03-13 | Namdar Frank EVP Chief Credit Officer | Shares withheld for taxes | −1,367 | $26.23 | $36K | 31,923 |
| 2026-03-13 | Namdar Frank EVP Chief Credit Officer | Option exercise · Restricted Stock Unit | −2,820 | 13,640 | ||
| 2026-03-13 | Lakely Brock EVP, Chief Accounting Officer | Option exercise | +846 | $26.23 | $22K | 11,315 |
| 2026-03-13 | Lakely Brock EVP, Chief Accounting Officer | Sale | −211 | $26.23 | $6K | 11,104 |
| 2026-03-13 | Lakely Brock EVP, Chief Accounting Officer | Option exercise · Restricted Stock Unit | −846 | 9,810 | ||
| 2026-03-13 | Nixon Torran B Senior Executive VP | Option exercise | +5,013 | $26.23 | $131K | 103,242 |
| 2026-03-13 | Nixon Torran B Senior Executive VP | Shares withheld for taxes | −2,002 | $26.23 | $53K | 101,240 |
| 2026-03-13 | Nixon Torran B Senior Executive VP | Option exercise · Restricted Stock Unit | −5,013 | 49,052 | ||
| 2026-03-13 | BARUFFI KUMI YAMAMOTO EVP General Counsel, Corp Sec | Option exercise | +2,381 | $26.23 | $62K | 54,652 |
| 2026-03-13 | BARUFFI KUMI YAMAMOTO EVP General Counsel, Corp Sec | Sale | −937 | $26.23 | $25K | 53,715 |
| 2026-03-13 | BARUFFI KUMI YAMAMOTO EVP General Counsel, Corp Sec | Option exercise · Restricted Stock Unit | −2,381 | 13,083 | ||
| 2026-03-13 | OGNALL ANDREW H EVP Chief Risk Officer | Option exercise | +2,381 | $26.23 | $62K | 75,083 |
| 2026-03-13 | OGNALL ANDREW H EVP Chief Risk Officer | Shares withheld for taxes | −951 | $26.23 | $25K | 74,132 |
| 2026-03-13 | OGNALL ANDREW H EVP Chief Risk Officer | Option exercise · Restricted Stock Unit | −2,381 | 53,026 | ||
| 2026-03-13 | Stein Clint Chair, CEO, President | Option exercise | +18,171 | $26.23 | $477K | 158,735 |
| 2026-03-13 | Stein Clint Chair, CEO, President | Shares withheld for taxes | −7,151 | $26.23 | $188K | 151,584 |
Page 3 of 8 · 159 trades