Director Steven R. Gardner filed a Form 4 with the SEC on October 30, 2026, reporting the sale of 10,522 shares of Columbia Banking System, Inc. common stock on October 29, 2026, across seven separate transactions.

Key Highlights

  • Reporting person: Steven R. Gardner, listed as a Director of Columbia Banking System, Inc. (NASDAQ:COLB).
  • Total shares disposed: 10,522 shares of common stock sold on October 29, 2026, across seven transactions with transaction code "S."
  • Sale prices: Shares were sold at prices ranging from $31.215 to $31.245 per share across the seven transactions.
  • Post-transaction direct holdings: Following the sales, Gardner directly owned 2,577 shares of common stock.
  • Indirect holdings: Gardner also holds 559,848 shares indirectly through a family trust, as reported in the filing.
  • Correction noted: The filing states that 10,522 shares previously reported as indirectly owned were "inadvertently reported" and are directly beneficially owned by the reporting person.

Gardner's Seven-Part Sale and Ownership Correction at Columbia Banking

According to the Form 4 filed on October 30, 2026, Director Steven R. Gardner disposed of a total of 10,522 shares of Columbia Banking System, Inc. common stock on October 29, 2026. The sales were recorded in seven separate transactions, with individual lots of 484, 100, 5,012, 200, 2,151, 322, and 2,253 shares, at per-share prices of $31.215, $31.22, $31.225, $31.23, $31.235, $31.24, and $31.245, respectively. All disposals were coded "S" and listed as direct ownership.

After the final transaction, Gardner's directly held position stood at 2,577 shares, down from an implied starting balance of 13,099 shares before the reported sales. The filing also discloses that Gardner holds 559,848 shares indirectly through a family trust. No derivative securities were reported in Table II of the filing.

The filing includes a note explaining that "10,522 shares of the Issuer's common stock were previously inadvertently reported as indirectly owned by the reporting person and are directly beneficially owned by the reporting person." The form was signed by Andrea M. Newburn as attorney-in-fact on October 30, 2026.

What Was Disclosed

The filing reports the sale of 10,522 Columbia Banking System shares by Director Steven R. Gardner on October 29, 2026, at prices between $31.215 and $31.245 per share, and corrects a prior inadvertent misclassification of those shares as indirectly owned.