Columbia Banking System Inc

May 15, 2026

COLB.NB Interim Cash Dividend of gross USD 0.37 paid on Jun 15, 2026 going ex on May 29, 2026

May 29, 2026

Jun 15, 2026

May 29, 2026

Feb 13, 2026

COLB.NB Interim Cash Dividend of gross USD 0.37 paid on Mar 16, 2026 going ex on Feb 27, 2026

Feb 27, 2026

Mar 16, 2026

Feb 27, 2026

Nov 14, 2025

COLB.NB Final Cash Dividend of gross USD 0.37 paid on Dec 15, 2025 going ex on Nov 28, 2025

Nov 28, 2025

Dec 15, 2025

Nov 28, 2025

Aug 15, 2025

COLB.NB Interim Cash Dividend of gross USD 0.36 paid on Sep 15, 2025 going ex on Aug 29, 2025

Aug 29, 2025

Sep 15, 2025

Aug 29, 2025

May 16, 2025

COLB.NB Interim Cash Dividend of gross USD 0.36 paid on Jun 16, 2025 going ex on May 30, 2025

May 30, 2025

Jun 16, 2025

May 30, 2025

Feb 14, 2025

COLB.NB Interim Cash Dividend of gross USD 0.36 paid on Mar 17, 2025 going ex on Feb 28, 2025

Feb 28, 2025

Mar 17, 2025

Feb 28, 2025

Nov 15, 2024

COLB.NB Final Cash Dividend of gross USD 0.36 paid on Dec 16, 2024 going ex on Nov 29, 2024

Nov 29, 2024

Dec 16, 2024

Nov 29, 2024

Aug 12, 2024

COLB.NB Interim Cash Dividend of gross USD 0.36 paid on Sep 09, 2024 going ex on Aug 23, 2024

Aug 23, 2024

Sep 09, 2024

Aug 23, 2024

May 13, 2024

COLB.NB Interim Cash Dividend of gross USD 0.36 paid on Jun 10, 2024 going ex on May 23, 2024

May 24, 2024

Jun 10, 2024

May 23, 2024

Feb 09, 2024

COLB.NB Interim Cash Dividend of gross USD 0.36 paid on Mar 11, 2024 going ex on Feb 22, 2024

Feb 23, 2024

Mar 11, 2024

Feb 22, 2024