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Stein Clint

Disclosed activity across 1 company

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60320
SEC CIK
0001550429

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
COLUMBIA BANKING SYSTEM, INC.COLB · Entity 707Director · Chair, CEO, PresidentMarch 13, 2026March 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 / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect151,584 Ending reported balance After 2026-03-13 transaction · row 2
2 source rows · reconciled sequence

Row 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 securityDirect166,984 Reported balance After 2026-03-13 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 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

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Purchases/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 dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
March 13, 2026 Filed Mar 18, 2026 00:48 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Exercise / conversionRestricted Stock Unit · Derivative 18,171 $0.00 $0.00
Disclosure

SEC source: 0001550429-26-000002 · wk-form4_1773794924.xml · derivative · entry 3

Stein Clint · CIK 0001550429 · Director · Chair, CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 166,984

Underlying: Common Stock · 18,171 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

Read SEC document
March 13, 2026 Filed Mar 18, 2026 00:48 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 7,151 $26.23 $187,570.73
Disclosure

SEC source: 0001550429-26-000002 · wk-form4_1773794924.xml · nonDerivative · entry 2

Stein Clint · CIK 0001550429 · Director · Chair, CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 151,584

Read SEC document
March 13, 2026 Filed Mar 18, 2026 00:48 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Exercise / conversionCommon Stock 18,171 $26.23 $476,625.33
Disclosure

SEC source: 0001550429-26-000002 · wk-form4_1773794924.xml · nonDerivative · entry 1

Stein Clint · CIK 0001550429 · Director · Chair, CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 158,735

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 01, 2026 Filed Mar 3, 2026 02:09 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 9,789 $28.45 $278,497.05
Disclosure

SEC source: 0000887343-26-000102 · wk-form4_1772503751.xml · nonDerivative · entry 1

Stein Clint · CIK 0001550429 · Director · Chair, President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,564

Read SEC document
February 18, 2026 Filed Feb 21, 2026 00:46 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantRestricted Stock Unit · Derivative 56,017 $31.24 $1,749,971.08
Disclosure

SEC source: 0000887343-26-000083 · wk-form4_1771634817.xml · derivative · entry 1

Stein Clint · CIK 0001550429 · Director · Chair, President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 185,155

Underlying: Common Stock · 56,017 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units granted 02/18/2026. The grant will vest 33.33% per year over three years.

F1 · derivative.exercise_date: Restricted stock units granted 02/18/2026. The grant will vest 33.33% per year over three years.

F1 · derivative.expiration_date: Restricted stock units granted 02/18/2026. The grant will vest 33.33% per year over three years.

Read SEC document
February 15, 2026 Filed Feb 18, 2026 23:34 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 3,922 $31.49 $123,503.78
Disclosure

SEC source: 0000887343-26-000063 · wk-form4_1771457691.xml · nonDerivative · entry 1

Stein Clint · CIK 0001550429 · Director · Chair, President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,353

Read SEC document
February 02, 2026 Filed Feb 5, 2026 00:03 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 8,653 $29.69 $256,907.57
Disclosure

SEC source: 0000887343-26-000036 · wk-form4_1770249836.xml · nonDerivative · entry 4

Stein Clint · CIK 0001550429 · Director · Chair, President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 154,275

F2 · shares: Represents withholding of shares of common stock to satisfy the reporting person's tax withholding obligations in connection with the shares granted pursuant to the terms of the performance restricted stock units vesting.

Read SEC document
February 02, 2026 Filed Feb 5, 2026 00:03 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantCommon Stock 21,988 $29.69 $652,823.72
Disclosure

SEC source: 0000887343-26-000036 · wk-form4_1770249836.xml · nonDerivative · entry 3

Stein Clint · CIK 0001550429 · Director · Chair, President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 162,928

F3 · shares: Shares granted pursuant to the terms of the performance restricted stock units granted on March 15, 2023, which vested on February 2, 2026 based on to the issuer's relative return on tangible common equity for fiscal years 2023-2025 compared to a Compensation Committee approved group of peers.

Read SEC document
February 02, 2026 Filed Feb 5, 2026 00:03 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 11,383 $29.69 $337,961.27
Disclosure

SEC source: 0000887343-26-000036 · wk-form4_1770249836.xml · nonDerivative · entry 2

Stein Clint · CIK 0001550429 · Director · Chair, President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,940

F2 · shares: Represents withholding of shares of common stock to satisfy the reporting person's tax withholding obligations in connection with the shares granted pursuant to the terms of the performance restricted stock units vesting.

Read SEC document
February 02, 2026 Filed Feb 5, 2026 00:03 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantCommon Stock 28,927 $29.69 $858,842.63
Disclosure

SEC source: 0000887343-26-000036 · wk-form4_1770249836.xml · nonDerivative · entry 1

Stein Clint · CIK 0001550429 · Director · Chair, President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 152,323

F1 · shares: Shares granted pursuant to the terms of the performance restricted stock units granted on February 21, 2023, which vested on February 2, 2026 based on to the issuer's relative return on tangible common equity for fiscal years 2023-2025 compared to a Compensation Committee approved group of peers.

Read SEC document
January 20, 2026 Filed Jan 22, 2026 23:06 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 5,635 $28.35 $159,752.25
Disclosure

SEC source: 0000887343-26-000013 · wk-form4_1769123161.xml · nonDerivative · entry 4

Stein Clint · CIK 0001550429 · Director · Chair, President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 123,396

F2 · shares: Represents withholding of shares of common stock to satisfy the reporting person's tax withholding obligations in connection with the vesting of previously issued restricted stock units.

Read SEC document
January 20, 2026 Filed Jan 22, 2026 23:06 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Disposition to issuerCommon Stock 2,727 $0.00 $0.00
Disclosure

SEC source: 0000887343-26-000013 · wk-form4_1769123161.xml · nonDerivative · entry 3

Stein Clint · CIK 0001550429 · Director · Chair, President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 129,031

F3 · shares: Shares forfeited pursuant to the terms of the performance restricted stock units granted on March 14, 2023 and reported on the reporting person's Form 4 filed on March 15, 2023 (in accordance with Rule 16b-3(e)) due to the issuer's total shareholder return performance target not being met at target.

Read SEC document
January 20, 2026 Filed Jan 22, 2026 23:06 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 7,615 $28.35 $215,885.25
Disclosure

SEC source: 0000887343-26-000013 · wk-form4_1769123161.xml · nonDerivative · entry 2

Stein Clint · CIK 0001550429 · Director · Chair, President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 131,758

F2 · shares: Represents withholding of shares of common stock to satisfy the reporting person's tax withholding obligations in connection with the vesting of previously issued restricted stock units.

Read SEC document
January 20, 2026 Filed Jan 22, 2026 23:06 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Disposition to issuerCommon Stock 3,588 $0.00 $0.00
Disclosure

SEC source: 0000887343-26-000013 · wk-form4_1769123161.xml · nonDerivative · entry 1

Stein Clint · CIK 0001550429 · Director · Chair, President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 139,373

F1 · shares: Shares forfeited pursuant to the terms of the performance restricted stock units granted on February 21, 2023 and reported on the reporting person's Form 4 filed on February 21, 2023 (in accordance with Rule 16b-3(e)) due to the issuer's total shareholder return performance target not being met at target.

Read SEC document
February 28, 2025 Filed Mar 4, 2025 20:46 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 9,789 $26.73 $261,659.97
Disclosure

SEC source: 0000887343-25-000086 · wk-form4_1741121191.xml · nonDerivative · entry 1

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,961

Read SEC document
February 25, 2025 Filed Feb 26, 2025 19:44 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantPerformance Restricted Stock Unit · Derivative 40,883 $26.60 $1,087,487.80
Disclosure

SEC source: 0000887343-25-000057 · wk-form4_1740599081.xml · derivative · entry 3

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 193,706

Underlying: Common Stock · 40,883 shares

Expires not disclosed

F3 · derivative.exercise_price: Performance restricted stock units granted 02/25/2025. The grant will vest approximately three years following the grant date based on the issuer's relative return on tangible common equity for fiscal years 2025-2027 compared to a Compensation Committee approved group of peers.

F3 · derivative.exercise_date: Performance restricted stock units granted 02/25/2025. The grant will vest approximately three years following the grant date based on the issuer's relative return on tangible common equity for fiscal years 2025-2027 compared to a Compensation Committee approved group of peers.

F3 · derivative.expiration_date: Performance restricted stock units granted 02/25/2025. The grant will vest approximately three years following the grant date based on the issuer's relative return on tangible common equity for fiscal years 2025-2027 compared to a Compensation Committee approved group of peers.

Read SEC document
February 25, 2025 Filed Feb 26, 2025 19:44 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantPerformance Restricted Stock Unit · Derivative 40,883 $26.60 $1,087,487.80
Disclosure

SEC source: 0000887343-25-000057 · wk-form4_1740599081.xml · derivative · entry 2

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 152,823

Underlying: Common Stock · 40,883 shares

Expires not disclosed

F2 · derivative.exercise_price: Performance restricted stock units granted 02/25/2025. The grant will vest approximately three years following the grant date based on the issuer's relative total shareholder return performance for fiscal years 2025-2027 compared to a Compensation Committee approved group of peers.

F2 · derivative.exercise_date: Performance restricted stock units granted 02/25/2025. The grant will vest approximately three years following the grant date based on the issuer's relative total shareholder return performance for fiscal years 2025-2027 compared to a Compensation Committee approved group of peers.

F2 · derivative.expiration_date: Performance restricted stock units granted 02/25/2025. The grant will vest approximately three years following the grant date based on the issuer's relative total shareholder return performance for fiscal years 2025-2027 compared to a Compensation Committee approved group of peers.

Read SEC document
February 25, 2025 Filed Feb 26, 2025 19:44 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantRestricted Stock Unit · Derivative 54,511 $26.60 $1,449,992.60
Disclosure

SEC source: 0000887343-25-000057 · wk-form4_1740599081.xml · derivative · entry 1

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 129,138

Underlying: Common Stock · 54,511 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units granted 02/25/2025. The grant will vest 33.33% per year over three years.

F1 · derivative.exercise_date: Restricted stock units granted 02/25/2025. The grant will vest 33.33% per year over three years.

F1 · derivative.expiration_date: Restricted stock units granted 02/25/2025. The grant will vest 33.33% per year over three years.

Read SEC document
February 14, 2025 Filed Feb 19, 2025 00:48 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 3,922 $27.41 $107,502.02
Disclosure

SEC source: 0000887343-25-000047 · wk-form4_1739926117.xml · nonDerivative · entry 3

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 152,750

Read SEC document
February 14, 2025 Filed Feb 19, 2025 00:48 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 1,873 $27.41 $51,338.93
Disclosure

SEC source: 0000887343-25-000047 · wk-form4_1739926117.xml · nonDerivative · entry 2

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 156,672

Read SEC document
February 14, 2025 Filed Feb 19, 2025 00:48 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantCommon Stock 4,759 $27.41 $130,444.19
Disclosure

SEC source: 0000887343-25-000047 · wk-form4_1739926117.xml · nonDerivative · entry 1

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 158,545

Read SEC document
January 01, 2025 Filed Jan 3, 2025 18:19 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 6,365 $27.01 $171,918.65
Disclosure

SEC source: 0000887343-25-000012 · wk-form4_1735928366.xml · nonDerivative · entry 2

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 153,786

Read SEC document
January 01, 2025 Filed Jan 3, 2025 18:19 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 6,063 $27.01 $163,761.63
Disclosure

SEC source: 0000887343-25-000012 · wk-form4_1735928366.xml · nonDerivative · entry 1

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 160,151

Read SEC document
March 01, 2024 Filed Mar 5, 2024 00:03 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantPerformance Restricted Stock Unit · Derivative 55,970 $17.87 $1,000,183.90
Disclosure

SEC source: 0000887343-24-000114 · wk-form4_1709596998.xml · derivative · entry 3

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,940

Underlying: Common Stock · 55,970 shares

Expires not disclosed

F1 · derivative.exercise_price: The restricted stock units and performance restricted stock units will be settled in cash; provided that the grants may be settled in shares following shareholder approval of an applicable equity incentive plan.

F4 · derivative.exercise_date: Performance restricted stock units granted 03/01/2024. The grant will vest approximately three years following the grant date based on the issuer's relative return on tangible common equity for fiscal years 2024-2026 compared to a Compensation Committee approved group of peers.

F4 · derivative.expiration_date: Performance restricted stock units granted 03/01/2024. The grant will vest approximately three years following the grant date based on the issuer's relative return on tangible common equity for fiscal years 2024-2026 compared to a Compensation Committee approved group of peers.

Read SEC document
March 01, 2024 Filed Mar 5, 2024 00:03 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantPerformance Restricted Stock Unit · Derivative 55,970 $17.87 $1,000,183.90
Disclosure

SEC source: 0000887343-24-000114 · wk-form4_1709596998.xml · derivative · entry 2

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,970

Underlying: Common Stock · 55,970 shares

Expires not disclosed

F1 · derivative.exercise_price: The restricted stock units and performance restricted stock units will be settled in cash; provided that the grants may be settled in shares following shareholder approval of an applicable equity incentive plan.

F3 · derivative.exercise_date: Performance restricted stock units granted 03/01/2024. The grant will vest approximately three years following the grant date based on the issuer's relative total shareholder return performance for fiscal years 2024-2026 compared to a Compensation Committee approved group of peers.

F3 · derivative.expiration_date: Performance restricted stock units granted 03/01/2024. The grant will vest approximately three years following the grant date based on the issuer's relative total shareholder return performance for fiscal years 2024-2026 compared to a Compensation Committee approved group of peers.

Read SEC document
March 01, 2024 Filed Mar 5, 2024 00:03 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantRestricted Stock Unit · Derivative 74,627 $17.87 $1,333,584.49
Disclosure

SEC source: 0000887343-24-000114 · wk-form4_1709596998.xml · derivative · entry 1

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,627

Underlying: Common Stock · 74,627 shares

Expires not disclosed

F1 · derivative.exercise_price: The restricted stock units and performance restricted stock units will be settled in cash; provided that the grants may be settled in shares following shareholder approval of an applicable equity incentive plan.

F2 · derivative.exercise_date: Restricted stock units granted 03/01/2024. Beginning on the first anniversary of the grant date, the grant will vest 33.33% per year for three years.

F2 · derivative.expiration_date: Restricted stock units granted 03/01/2024. Beginning on the first anniversary of the grant date, the grant will vest 33.33% per year for three years.

Read SEC document
February 15, 2024 Filed Feb 21, 2024 00:15 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 3,923 $19.01 $74,576.23
Disclosure

SEC source: 0000887343-24-000074 · wk-form4_1708474499.xml · nonDerivative · entry 5

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 166,214

Read SEC document
February 15, 2024 Filed Feb 21, 2024 00:15 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 1,873 $19.01 $35,605.73
Disclosure

SEC source: 0000887343-24-000074 · wk-form4_1708474499.xml · nonDerivative · entry 4

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 170,137

Read SEC document
February 15, 2024 Filed Feb 21, 2024 00:15 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantCommon Stock 4,759 $19.01 $90,468.59
Disclosure

SEC source: 0000887343-24-000074 · wk-form4_1708474499.xml · nonDerivative · entry 3

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 172,010

Read SEC document
February 15, 2024 Filed Feb 21, 2024 00:15 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 1,018 $19.01 $19,352.18
Disclosure

SEC source: 0000887343-24-000074 · wk-form4_1708474499.xml · nonDerivative · entry 2

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167,251

Read SEC document
February 15, 2024 Filed Feb 21, 2024 00:15 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantCommon Stock 2,585 $19.01 $49,140.85
Disclosure

SEC source: 0000887343-24-000074 · wk-form4_1708474499.xml · nonDerivative · entry 1

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 168,269

Read SEC document
January 30, 2024 Filed Jan 31, 2024 02:58 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 PurchaseCommon Stock 100 $20.96 $2,095.99
Disclosure

SEC source: 0000887343-24-000036 · wk-form4_1706669914.xml · nonDerivative · entry 3

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 165,684

Read SEC document
January 30, 2024 Filed Jan 31, 2024 02:58 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 PurchaseCommon Stock 7,890 $20.96 $165,374.40
Disclosure

SEC source: 0000887343-24-000036 · wk-form4_1706669914.xml · nonDerivative · entry 2

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 165,584

Read SEC document
January 30, 2024 Filed Jan 31, 2024 02:58 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 PurchaseCommon Stock 1,510 $20.96 $31,642.05
Disclosure

SEC source: 0000887343-24-000036 · wk-form4_1706669914.xml · nonDerivative · entry 1

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 157,694

Read SEC document
January 01, 2024 Filed Jan 4, 2024 02:30 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 3,093 $26.68 $82,521.24
Disclosure

SEC source: 0000887343-24-000005 · wk-form4_1704335393.xml · nonDerivative · entry 2

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 156,184

Read SEC document
January 01, 2024 Filed Jan 4, 2024 02:30 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 3,451 $26.68 $92,072.68
Disclosure

SEC source: 0000887343-24-000005 · wk-form4_1704335393.xml · nonDerivative · entry 1

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159,277

Read SEC document
March 27, 2023 Filed Mar 29, 2023 23:46 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 899 $20.81 $18,708.19
Disclosure

SEC source: 0000887343-23-000201 · wf-form4_168013357608824.xml · nonDerivative · entry 1

Stein Clint · CIK 0001550429 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 162,728

Read SEC document
March 14, 2023 Filed Mar 15, 2023 21:04 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantCommon Stock 17,046 $0.00 $0.00
Disclosure

SEC source: 0000887343-23-000193 · wf-form4_167891427508649.xml · nonDerivative · entry 1

Stein Clint · CIK 0001550429 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 163,627

Read SEC document
February 28, 2023 Filed Mar 2, 2023 23:09 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantCommon Stock 14,440 $0.00 $0.00
Disclosure

SEC source: 0000887343-23-000095 · wf-form4_167779854243916.xml · nonDerivative · entry 4

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 146,581

F1 · shares: At the effective time of the merger (the "Effective Time") of Cascade Merger Sub, Inc. ("Merger Sub"), a direct, wholly-owned subsidiary of the Issuer, with and into Umpqua Holdings Corporation ("Umpqua"), pursuant to that certain Agreement and Plan of Merger, dated as of October 11, 2021 (the "Merger Agreement"), by and among the Issuer, Umpqua and Merger Sub, each outstanding performance stock unit award of the Issuer granted under the Issuer's equity compensation plans was converted into a restricted stock unit award of the Issuer based on a level of performance determined in accordance with the Merger Agreement, with such awards continuing to vest after the Effective Time solely based on continued service.

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February 28, 2023 Filed Mar 2, 2023 23:09 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantCommon Stock 16,173 $0.00 $0.00
Disclosure

SEC source: 0000887343-23-000095 · wf-form4_167779854243916.xml · nonDerivative · entry 3

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,141

F1 · shares: At the effective time of the merger (the "Effective Time") of Cascade Merger Sub, Inc. ("Merger Sub"), a direct, wholly-owned subsidiary of the Issuer, with and into Umpqua Holdings Corporation ("Umpqua"), pursuant to that certain Agreement and Plan of Merger, dated as of October 11, 2021 (the "Merger Agreement"), by and among the Issuer, Umpqua and Merger Sub, each outstanding performance stock unit award of the Issuer granted under the Issuer's equity compensation plans was converted into a restricted stock unit award of the Issuer based on a level of performance determined in accordance with the Merger Agreement, with such awards continuing to vest after the Effective Time solely based on continued service.

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February 28, 2023 Filed Mar 2, 2023 23:09 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantCommon Stock 7,860 $0.00 $0.00
Disclosure

SEC source: 0000887343-23-000095 · wf-form4_167779854243916.xml · nonDerivative · entry 2

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,968

F1 · shares: At the effective time of the merger (the "Effective Time") of Cascade Merger Sub, Inc. ("Merger Sub"), a direct, wholly-owned subsidiary of the Issuer, with and into Umpqua Holdings Corporation ("Umpqua"), pursuant to that certain Agreement and Plan of Merger, dated as of October 11, 2021 (the "Merger Agreement"), by and among the Issuer, Umpqua and Merger Sub, each outstanding performance stock unit award of the Issuer granted under the Issuer's equity compensation plans was converted into a restricted stock unit award of the Issuer based on a level of performance determined in accordance with the Merger Agreement, with such awards continuing to vest after the Effective Time solely based on continued service.

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February 28, 2023 Filed Mar 2, 2023 23:09 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantCommon Stock 7,860 $0.00 $0.00
Disclosure

SEC source: 0000887343-23-000095 · wf-form4_167779854243916.xml · nonDerivative · entry 1

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,108

F1 · shares: At the effective time of the merger (the "Effective Time") of Cascade Merger Sub, Inc. ("Merger Sub"), a direct, wholly-owned subsidiary of the Issuer, with and into Umpqua Holdings Corporation ("Umpqua"), pursuant to that certain Agreement and Plan of Merger, dated as of October 11, 2021 (the "Merger Agreement"), by and among the Issuer, Umpqua and Merger Sub, each outstanding performance stock unit award of the Issuer granted under the Issuer's equity compensation plans was converted into a restricted stock unit award of the Issuer based on a level of performance determined in accordance with the Merger Agreement, with such awards continuing to vest after the Effective Time solely based on continued service.

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February 21, 2023 Filed Feb 24, 2023 02:13 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantCommon Stock 22,424 $0.00 $0.00
Disclosure

SEC source: 0000887343-23-000064 · wf-form4_167720477637383.xml · nonDerivative · entry 4

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,085

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February 21, 2023 Filed Feb 24, 2023 02:13 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantCommon Stock 29,899 $0.00 $0.00
Disclosure

SEC source: 0000887343-23-000064 · wf-form4_167720477637383.xml · nonDerivative · entry 3

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,661

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February 21, 2023 Filed Feb 24, 2023 02:13 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 4,066 $30.77 $125,110.82
Disclosure

SEC source: 0000887343-23-000064 · wf-form4_167720477637383.xml · nonDerivative · entry 2

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,762

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February 21, 2023 Filed Feb 24, 2023 02:13 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantCommon Stock 10,332 $0.00 $0.00
Disclosure

SEC source: 0000887343-23-000064 · wf-form4_167720477637383.xml · nonDerivative · entry 1

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,828

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February 15, 2023 Filed Feb 17, 2023 19:33 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 1,982 $32.05 $63,523.10
Disclosure

SEC source: 0000887343-23-000023 · wf-form4_167666240999724.xml · nonDerivative · entry 6

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,496

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February 15, 2023 Filed Feb 17, 2023 19:33 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantCommon Stock 4,761 $32.05 $152,590.05
Disclosure

SEC source: 0000887343-23-000023 · wf-form4_167666240999724.xml · nonDerivative · entry 5

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,478

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February 15, 2023 Filed Feb 17, 2023 19:33 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 Tax withholdingCommon Stock 1,018 $32.05 $32,626.90
Disclosure

SEC source: 0000887343-23-000023 · wf-form4_167666240999724.xml · nonDerivative · entry 4

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,717

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February 15, 2023 Filed Feb 17, 2023 19:33 UTC COLUMBIA BANKING SYSTEM, INC. COLB · Entity 707 GrantCommon Stock 2,585 $32.05 $82,849.25
Disclosure

SEC source: 0000887343-23-000023 · wf-form4_167666240999724.xml · nonDerivative · entry 3

Stein Clint · CIK 0001550429 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,735

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.