Reported relationships
Latest disclosed role at each company.
| Company | Last reported as | Report date | Published |
|---|---|---|---|
| COLUMBIA BANKING SYSTEM, INC.COLB · Entity 707 | Director · Chair, CEO, President | March 13, 2026 | March 18, 2026 |
Disclosed balances
About these balances
Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.
COLUMBIA BANKING SYSTEM, INC.
Report date March 13, 2026 · Filed March 18, 2026
| Security / award | Ownership account | Disclosed shares / units | Disclosure context |
|---|---|---|---|
| Common StockSEC Table I · non-derivative | Direct | 151,584 |
Ending reported balance
After 2026-03-13 transaction · row 2
2 source rows · reconciled sequenceRow 1 · 2026-03-13 · Exercise / conversion · Acquired 18,171 · Balance 158,735 Row 2 · 2026-03-13 · Tax withholding · Disposed 7,151 · Balance 151,584 |
| Restricted Stock UnitSEC Table II · derivative / convertible security | Direct | 166,984 |
Reported balance
After 2026-03-13 transaction · row 3
Instrument identity requires review; Table II rows are not merged.
1 source rowRow 3 · 2026-03-13 · Exercise / conversion · Disposed 18,171 · Balance 166,984 F1: Restricted Stock Units convert into common stock on a one-for-one basis. On February 25, 2025, the reporting person was granted 54,511 Restricted Stock Units, which vest in three annual installments beginning on March 13, 2026. |
Filing footnotes · ownership attribution and instrument terms
F1: Restricted Stock Units convert into common stock on a one-for-one basis. On February 25, 2025, the reporting person was granted 54,511 Restricted Stock Units, which vest in three annual installments beginning on March 13, 2026.
Transaction history
JSON APIPurchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Company | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| June 15, 2017 Filed Jun 16, 2017 16:57 UTC | COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 | SaleCommon Stock | 8,000 | $40.09 | $320,720.00 |
DisclosureSEC source: 0000887343-17-000105 · wf-form4_149763222777720.xml · nonDerivative · entry 1 Stein Clint · CIK 0001550429 · EVP & CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 22,877 Read SEC document |
| April 26, 2017 Filed Apr 28, 2017 20:13 UTC | COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 | GrantCommon Stock | 10,000 | $40.67 | $406,700.00 |
DisclosureSEC source: 0000887343-17-000095 · wf-form4_149341039725250.xml · nonDerivative · entry 1 Stein Clint · CIK 0001550429 · EVP & CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 30,877 Read SEC document |
| March 24, 2017 Filed Mar 28, 2017 20:38 UTC | COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 | Tax withholdingCommon Stock | 175 | $37.72 | $6,601.00 |
DisclosureSEC source: 0000887343-17-000081 · wf-form4_149073351561891.xml · nonDerivative · entry 1 Stein Clint · CIK 0001550429 · EVP & CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 20,877 Read SEC document |
| March 08, 2017 Filed Mar 9, 2017 22:27 UTC Amendment | COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 | Tax withholdingCommon Stock | 904 | $41.25 | $37,290.00 |
DisclosureSEC source: 0000887343-17-000071 · wf-form4a_148909842731441.xml · nonDerivative · entry 1 Stein Clint · CIK 0001550429 · EVP & CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 22,055 F1 · shares: Correction to tax liability on vesting of performance awards and the number of shares cancelled to cover taxes. Read SEC document |
| February 27, 2017 Filed Mar 1, 2017 00:53 UTC | COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 | Tax withholdingCommon | 598 | $40.87 | $24,440.26 |
DisclosureSEC source: 0000887343-17-000059 · wf-form4_148832957234046.xml · nonDerivative · entry 1 Stein Clint · CIK 0001550429 · EVP & CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 21,052 Read SEC document |
| February 24, 2017 Filed Mar 1, 2017 00:47 UTC | COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 | Tax withholdingCommon | 244 | $40.81 | $9,957.64 |
DisclosureSEC source: 0000887343-17-000057 · wf-form4_148832925488663.xml · nonDerivative · entry 1 Stein Clint · CIK 0001550429 · EVP & CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 21,650 Read SEC document |
| February 22, 2017 Filed Feb 24, 2017 23:50 UTC | COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 | GrantCommon | 2,536 | $41.25 | $104,610.00 |
DisclosureSEC source: 0000887343-17-000030 · wf-form4_148798023401904.xml · nonDerivative · entry 1 Stein Clint · CIK 0001550429 · EVP & CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 20,363 F1 · shares: Restricted Stock Award Read SEC document |
| February 22, 2017 Filed Feb 25, 2017 02:36 UTC | COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 | Tax withholdingCommon | 1,065 | $41.25 | $43,931.25 |
DisclosureSEC source: 0000887343-17-000040 · wf-form4_148799017054636.xml · nonDerivative · entry 2 Stein Clint · CIK 0001550429 · EVP & CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 21,894 Read SEC document |
| February 22, 2017 Filed Feb 25, 2017 02:36 UTC | COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 | GrantCommon | 2,596 | $41.25 | $107,085.00 |
DisclosureSEC source: 0000887343-17-000040 · wf-form4_148799017054636.xml · nonDerivative · entry 1 Stein Clint · CIK 0001550429 · EVP & CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 22,959 Read SEC document |
| January 06, 2017 Filed Jan 9, 2017 21:28 UTC | COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 | GrantCommon Stock | 74 | $24.68 | $1,826.32 |
DisclosureSEC source: 0000887343-17-000006 · wf-form4_148399731170586.xml · nonDerivative · entry 1 Stein Clint · CIK 0001550429 · EVP & CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 17,827 F1 · shares: ESPP Purchase Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.