COLUMBIA BANKING SYSTEM, INC. (COLB)
Data as of , from SEC Form 4 filings.
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About COLUMBIA BANKING SYSTEM, INC. (COLB)
COLUMBIA BANKING SYSTEM, INC. files with the SEC under CIK 0000887343 and is classified as state commercial banks. It is grouped with Financials companies on this site.
COLB Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Grant or award | 3 | 5,841 | |
| Option exercise | 2 | 4,786 | |
| Tax withholding / forfeiture | 1 | 643 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
COLB insider transactions (Form 4)
5994 Form 4 filings on record, the earliest from Oct 31, 2024, newest first. Filing history page 3 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Tax withholding / forfeiture | Common Stock | 531 | $31.49 | $17K | ||
| Tax withholding / forfeiture | Common Stock | 1,036 | $31.49 | $33K | ||
| Drew K. Anderson - Officer | Tax withholding / forfeiture | Common Stock | 788 | $31.49 | $25K | |
| Luis Machuca - Director | Grant or award | Deferred Compensation Phantom Stock | 65 | $28.17 | $2K | |
| Luis Machuca - Director | Grant or award | Deferred Compensation Phantom Stock | 562 | $31.12 | $17K | |
| Grant or award | Common Stock | 28,927 footnote F1 | $29.69 | $859K | ||
| Tax withholding / forfeiture | Common Stock | 11,383 footnote F2 | $29.69 | $338K | ||
| Grant or award | Common Stock | 21,988 footnote F3 | $29.69 | $653K | ||
| Tax withholding / forfeiture | Common Stock | 8,653 footnote F2 | $29.69 | $257K | ||
| ||||||
| Andrew H. Ognall - Officer | Grant or award | Common Stock | 4,510 footnote F1 | $29.69 | $134K | |
| Andrew H. Ognall - Officer | Tax withholding / forfeiture | Common Stock | 1,929 footnote F2 | $29.69 | $57K | |
| ||||||
| Torran B. Nixon - Officer | Grant or award | Common Stock | 13,844 footnote F1 | $29.69 | $411K | |
| Torran B. Nixon - Officer | Tax withholding / forfeiture | Common Stock | 5,528 footnote F2 | $29.69 | $164K | |
| ||||||
| Frank Namdar - Officer | Grant or award | Common Stock | 4,667 footnote F1 | $29.69 | $139K | |
| Frank Namdar - Officer | Tax withholding / forfeiture | Common Stock | 2,383 footnote F2 | $29.69 | $71K | |
| ||||||
| Devine David Moore - Officer | Grant or award | Common Stock | 2,095 footnote F1 | $29.69 | $62K | |
| Devine David Moore - Officer | Tax withholding / forfeiture | Common Stock | 965 footnote F2 | $29.69 | $29K | |
| ||||||
| Christopher Merrywell - Officer | Grant or award | Common Stock | 12,576 footnote F1 | $29.69 | $373K | |
| Christopher Merrywell - Officer | Tax withholding / forfeiture | Common Stock | 4,949 footnote F2 | $29.69 | $147K | |
| ||||||
| Grant or award | Common Stock | 2,620 footnote F1 | $29.69 | $78K | ||
| Tax withholding / forfeiture | Common Stock | 1,191 footnote F2 | $29.69 | $35K | ||
| ||||||
| Grant or award | Common Stock | 5,093 footnote F1 | $29.69 | $151K | ||
| Tax withholding / forfeiture | Common Stock | 2,110 footnote F2 | $29.69 | $63K | ||
| ||||||
| Drew K. Anderson - Officer | Grant or award | Common Stock | 3,146 footnote F1 | $29.69 | $93K | |
| Drew K. Anderson - Officer | Tax withholding / forfeiture | Common Stock | 1,710 footnote F2 | $29.69 | $51K | |
| ||||||
| Open-market sale | Common Stock | 13,725 footnote F1 | $29.43 | $404K | ||
| ||||||
| Derivative | Common Stock | 325 footnote F1 | $0.00 | - | ||
| Tax withholding / forfeiture | Common Stock | 776 footnote F2 | $28.35 | $22K | ||
| ||||||
| Frank Namdar - Officer | Derivative | Common Stock | 579 footnote F1 | $0.00 | - | |
| Frank Namdar - Officer | Tax withholding / forfeiture | Common Stock | 1,652 footnote F2 | $28.35 | $47K | |
| ||||||
| Devine David Moore - Officer | Derivative | Common Stock | 260 footnote F1 | $0.00 | - | |
| Devine David Moore - Officer | Tax withholding / forfeiture | Common Stock | 628 footnote F2 | $28.35 | $18K | |
| ||||||
| Andrew H. Ognall - Officer | Derivative | Common Stock | 559 footnote F1 | $0.00 | - | |
| Andrew H. Ognall - Officer | Tax withholding / forfeiture | Common Stock | 1,353 footnote F2 | $28.35 | $38K | |
| ||||||
| Derivative | Common Stock | 632 footnote F1 | $0.00 | - | ||
| Tax withholding / forfeiture | Common Stock | 1,508 footnote F2 | $28.35 | $43K | ||
| ||||||
| Drew K. Anderson - Officer | Derivative | Common Stock | 390 footnote F1 | $0.00 | - | |
| Drew K. Anderson - Officer | Tax withholding / forfeiture | Common Stock | 1,114 footnote F2 | $28.35 | $32K | |
| ||||||
| Torran B. Nixon - Officer | Derivative | Common Stock | 1,717 footnote F1 | $0.00 | - | |
| Torran B. Nixon - Officer | Tax withholding / forfeiture | Common Stock | 3,873 footnote F2 | $28.35 | $110K | |
| ||||||
| Christopher Merrywell - Officer | Derivative | Common Stock | 1,560 footnote F1 | $0.00 | - | |
| Christopher Merrywell - Officer | Tax withholding / forfeiture | Common Stock | 3,496 footnote F2 | $28.35 | $99K | |
| ||||||
| Derivative | Common Stock | 3,588 footnote F1 | $0.00 | - | ||
| Tax withholding / forfeiture | Common Stock | 7,615 footnote F2 | $28.35 | $216K | ||
| Derivative | Common Stock | 2,727 footnote F3 | $0.00 | - | ||
| Tax withholding / forfeiture | Common Stock | 5,635 footnote F2 | $28.35 | $160K | ||
| ||||||
| Luis Machuca - Director | Grant or award | Deferred Compensation Phantom Stock | 630 | $26.55 | $17K | |
| M. Christian Mitchell - Director | Grant or award | Common Stock | 35,755 | $0.00 | - | |
| M. Christian Mitchell - Director | Grant or award | Common Stock | 2,205 | $0.00 | - | |
| Grant or award | Common Stock | 245,875 | $0.00 | - | ||
| Grant or award | Common Stock | 338,221 | $0.00 | - | ||
| Jaynie M. Studenmund - Director | Grant or award | Common Stock | 15,653 | $0.00 | - | |
| Jaynie M. Studenmund - Director | Grant or award | Common Stock | 3,843 | $0.00 | - | |
| Jaynie M. Studenmund - Director | Grant or award | Common Stock | 2,205 | $0.00 | - | |
| Luis Machuca - Director | Grant or award | Deferred Compensation Phantom Stock | 668 | $24.83 | $17K | |
| Judi Giem - Officer | Grant or award | Restricted Stock Unit | 7,179 | $24.38 | $175K | |
| Judi Giem - Officer | Grant or award | Performance Restricted Stock Unit | 3,590 | $24.38 | $88K | |
| Judi Giem - Officer | Grant or award | Performance Restricted Stock Unit | 3,590 | $24.38 | $88K | |
| Luis Machuca - Director | Grant or award | Deferred Compensation Phantom Stock | 708 | $23.29 | $16K | |
See every COLB filing on record
These pages show the latest 90 of 94 Form 4 filings on record. The 7-day demo shows all 94, and sign-up brings you back to this table.
Recent COLB Form 144 notices of proposed sale
1An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR |
Stock trades in COLB disclosed by members of the U.S. House in the last 12 months, newest first. Values are the ranges as filed.
| Member | Type | Traded | Disclosed | Value range | Owner | Days to disclose | Filing |
|---|---|---|---|---|---|---|---|
| Sale |
COLB insider trading FAQ
What is the latest insider trade for COLB?
COLUMBIA BANKING SYSTEM, INC. (COLB) had 4 insider filings in the last 90 days, with the most recent on 2026-09-15. The full record for COLB runs to 94 Form 4 filings, the earliest from 2024-10-31. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying COLB stock?
No insider purchases of COLB were filed in the last 90 days. 1 purchase is on record for this company.
How many insiders are selling COLB stock?
No insider sales of COLB were filed in the last 90 days. 7 sales are on record for this company.
Where can I see COLB SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects COLB Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Financials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Luis Machuca view on EDGAR
- - Steven R. Gardner view on EDGAR
- - Simone Lagomarsino view on EDGAR
- - Judi Giem view on EDGAR
- - Aaron James Deer view on EDGAR
- - Luis Machuca view on EDGAR
- - Devine David Moore view on EDGAR
- - Anddria Varnado view on EDGAR
- - Hilliard C. Terry III view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Financials
- Where COLB's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow COLB with a 7-day demo
- COLB on your watchlist
- Every COLB Form 4 filing on record
- Up to 3 months of COLB price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive