EntityWire

EntityWire / EIN 91-1422237

Employer with a benefit plan

COLUMBIA BANKING SYSTEM, INC.

EIN 91-1422237. What DOL Form 5500 filings (EFAST2) and SEC EDGAR company filings say about this entity, with the source and date on every fact. Latest record 2026-09-04.

Employer with a benefit plan ยท SEC filer

COLUMBIA BANKING SYSTEM, INC.

1301 A STREET, TACOMA, WA 98402

EIN

91-1422237

SEC CIK

0000887343

SEC · 2026-09-04

Industry (SIC)

State Commercial Banks (6022)

SEC · 2026-09-04

State of incorporation

WA

SEC · 2026-09-04

Ticker

COLB

SEC · 2026-09-04

Latest SEC filing

4 2026-09-04

SEC · 2026-09-04

Benefit plan 1, 2024 filing

UMPQUA BANK 401(K) AND PROFIT SHARING PLAN

DOL · 2025-08-04

Participants (start of year)

7,858

DOL · 2025-08-04

Plan features

code 2F2G2E2J2K2T3D2R

DOL · 2025-08-04

Plan type

Single-employer plan

DOL · 2025-08-04

Business code (NAICS)

522120

DOL · 2025-08-04

Benefit plan 1, 2023 filing

UMPQUA BANK 401(K) AND PROFIT SHARING PLAN

DOL · 2024-07-09

Participants (start of year)

5,572

DOL · 2024-07-09

Plan features

code 2F2G2E2J2K2T3D2R

DOL · 2024-07-09

Plan type

Single-employer plan

DOL · 2024-07-09

From DOL Form 5500 filings (EFAST2) · SEC EDGAR company filings. Latest record 2026-09-04.

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