Aaron James Deer

Companies

• COLUMBIA BANKING SYSTEM, INC.Chief Strategy/Innovation Offc Jul 5, 2023 to now¹
• COLUMBIA BANKING SYSTEM, INC.Chief financial officer Apr 28, 2020 to Mar 2, 2023²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• CBCOLUMBIA BANKING SYSTEM, INC. COLB42,761 shares³$1.2M at $28.57Jun 30, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jun 30, 2026Bought 886 shares at $25.37 of COLUMBIA BANKING SYSTEM, INC.³
• Mar 13, 2026Shares withheld for tax 617 shares at $26.23 of COLUMBIA BANKING SYSTEM, INC.⁴
• Mar 13, 2026Exercised options 1,567 shares at $26.23 of COLUMBIA BANKING SYSTEM, INC.⁴
• Mar 1, 2026Shares withheld for tax 918 shares at $28.45 of COLUMBIA BANKING SYSTEM, INC.⁵
• Feb 15, 2026Shares withheld for tax 531 shares at $31.49 of COLUMBIA BANKING SYSTEM, INC.⁶
• Feb 2, 2026Shares withheld for tax 1,191 shares at $29.69 of COLUMBIA BANKING SYSTEM, INC.⁷
• Feb 2, 2026Granted 2,620 shares at $29.69 of COLUMBIA BANKING SYSTEM, INC.⁷
• Jan 20, 2026Shares withheld for tax 776 shares at $28.35 of COLUMBIA BANKING SYSTEM, INC.⁸
• Jan 20, 2026Returned to company 325 shares of COLUMBIA BANKING SYSTEM, INC.⁸
• Feb 28, 2025Shares withheld for tax 918 shares at $26.73 of COLUMBIA BANKING SYSTEM, INC.⁹
• Feb 14, 2025Shares withheld for tax 533 shares at $27.41 of COLUMBIA BANKING SYSTEM, INC.¹⁰
• Feb 14, 2025Shares withheld for tax 506 shares at $27.41 of COLUMBIA BANKING SYSTEM, INC.¹⁰
• Feb 14, 2025Granted 1,304 shares at $27.41 of COLUMBIA BANKING SYSTEM, INC.¹⁰
• Jan 1, 2025Shares withheld for tax 995 shares at $27.01 of COLUMBIA BANKING SYSTEM, INC.¹¹
• Jan 1, 2025Shares withheld for tax 889 shares at $27.01 of COLUMBIA BANKING SYSTEM, INC.¹¹
• Mar 1, 2024Granted 6,994 shares at $17.87 of COLUMBIA BANKING SYSTEM, INC.¹²
• Feb 15, 2024Shares withheld for tax 522 shares at $19.01 of COLUMBIA BANKING SYSTEM, INC.¹³
• Feb 15, 2024Shares withheld for tax 564 shares at $19.01 of COLUMBIA BANKING SYSTEM, INC.¹³
• Feb 15, 2024Granted 1,304 shares at $19.01 of COLUMBIA BANKING SYSTEM, INC.¹³
• Feb 15, 2024Shares withheld for tax 430 shares at $19.01 of COLUMBIA BANKING SYSTEM, INC.¹³
• Feb 15, 2024Granted 951 shares at $19.01 of COLUMBIA BANKING SYSTEM, INC.¹³
• Feb 1, 2024Bought 2,000 shares at $19.32 of COLUMBIA BANKING SYSTEM, INC.¹⁴
• Jan 1, 2024Shares withheld for tax 647 shares at $26.68 of COLUMBIA BANKING SYSTEM, INC.¹⁵
• Jan 1, 2024Shares withheld for tax 647 shares at $26.68 of COLUMBIA BANKING SYSTEM, INC.¹⁵
• Jun 30, 2023Bought 854 shares at $18.25 of COLUMBIA BANKING SYSTEM, INC.¹⁶