COLUMBIA BANKING SYSTEM, INC. (COLB) — Insider Trading

AI-Powered SEC Filing Analysis

Latest Insider Trading Filed: 2026-04-16

Key Insights

Brock Lakely, the EVP and Chief Accounting Officer of Columbia Banking System, Inc., sold 396 shares of the company's common stock at $29.1 per share on April 15, 2026.
This insider transaction represents a small portion of Brock Lakely's overall beneficial ownership, which stands at 10,708 shares following the reported sale.
Insider transactions, such as this sale, can provide insights into management's sentiment and expectations for the company's performance, although a single transaction should not be viewed in isolation.

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Earlier Insider Trading filings

Filed: 2026-03-17

The reporting person, David Devine Moore, acquired 940 shares of Columbia Banking System, Inc. common stock through the vesting of restricted stock units, indicating potential confidence in the company's future.
The reporting person also sold 376 shares of common stock, likely for tax withholding purposes, which suggests a balanced approach to managing their equity holdings.
The timing of the transactions, in March 2026, is notable and may provide insights into the company's performance or the reporting person's investment strategy.

Filed: 2026-03-17

The reporting person, Drew K. Anderson, who is the EVP and Chief Administrative Officer of Columbia Banking System, Inc., exercised 2,506 restricted stock units on March 13, 2026 and disposed of 1,215 shares to cover tax withholding, leaving him with 21,969 shares directly owned.
This transaction indicates that the reporting person is holding on to a substantial portion of the shares received from the vesting of restricted stock units, suggesting confidence in the company's future.
The vesting of restricted stock units is a routine compensation-related transaction, and the reported ownership levels suggest the reporting person maintains a significant stake in the company.

Filed: 2026-03-17

The reporting person, Kumi Yamamoto Baruffi, who is the Executive Vice President, General Counsel, and Corporate Secretary of Columbia Banking System, Inc. (COLB), exercised 2,381 restricted stock units and sold 937 shares of common stock on March 13, 2026.
The reporting person still holds 53,715 shares of common stock directly following the reported transactions, indicating continued equity ownership in the company.
The timing and amount of the transactions suggest routine portfolio management activities rather than significant changes in the reporting person's beneficial ownership position.

Filed: 2026-03-17

The reporting person, Aaron James Deer, exercised 1,567 restricted stock units (RSUs) and sold 617 shares of common stock, indicating some insider activity.
The reported transactions represent a relatively small portion of the reporting person's total beneficial ownership, which remains at 41,875 shares.
The timing of the transactions, occurring in March 2026, suggests ongoing equity-based compensation and liquidity management by the executive.

Filed: 2026-03-17

The reporting person, Brock Lakely, is the EVP and Chief Accounting Officer of Columbia Banking System, Inc. (COLB), indicating an insider transaction.
Lakely exercised 846 restricted stock units (RSUs) and subsequently sold 211 shares of COLB common stock at $26.23 per share, suggesting some insider selling activity.
The transaction details suggest Lakely's ownership of COLB shares decreased slightly from 11,315 to 11,104 shares, a relatively small change in his total beneficial ownership.

Filed: 2026-03-17

The reporting person, Christopher Merrywell, who is the Senior Executive VP of Columbia Banking System, Inc., exercised 5,013 restricted stock units and sold 1,973 shares to cover tax withholding.
The reporting person's total direct beneficial ownership of common stock decreased from 46,040 shares to 44,067 shares as a result of this transaction.
The reporting person still holds 51,291 restricted stock units, which will vest in three annual installments beginning on March 13, 2026.

Filed: 2026-03-17

The reporting person, Frank Namdar, is the Executive Vice President and Chief Credit Officer of Columbia Banking System, Inc. (COLB).
Namdar exercised 2,820 restricted stock units (RSUs) and sold 1,367 shares, resulting in a net increase of 1,453 shares in his direct ownership of COLB common stock.
The transaction appears to be part of a previously established 10b5-1 trading plan, as indicated by the filing.

Filed: 2026-03-17

The reporting person, Torran B. Nixon, exercised 5,013 restricted stock units and sold 2,002 shares of common stock, indicating some insider selling activity.
Nixon retains 101,240 shares of direct ownership and 5,560 shares of indirect ownership through a family trust and 401(k), suggesting he still holds a significant stake in the company.
The restricted stock units granted to Nixon in 2025 are vesting in three annual installments, with the first tranche of 5,013 shares vesting on March 13, 2026.

Filed: 2026-03-17

The reporting person, Andrew H. Ognall, who holds the position of EVP Chief Risk Officer at Columbia Banking System, Inc. (COLB), exercised 2,381 restricted stock units (RSUs) on March 13, 2026.
Ognall then disposed of 951 shares of common stock through a share withholding transaction to cover tax obligations, retaining 74,132 shares directly and 2,635 shares indirectly through a 401(k) plan.
The reported transactions suggest that Ognall is holding a significant portion of his equity compensation, which may signal his confidence in the company's long-term prospects.

Filed: 2026-03-17

Clint Stein, the Chair, CEO, and President of Columbia Banking System, has exercised 18,171 restricted stock units and disposed of 7,151 shares, indicating continued executive ownership and involvement in the company.
The transaction was executed pursuant to a pre-established plan, suggesting a systematic approach to Stein's equity holdings management.
Stein's remaining 151,584 direct ownership of common stock represents a sizable stake, aligning his interests with those of shareholders.

Filed: 2026-03-17

The reporting person, Luis Machuca, acquired 659 shares of deferred compensation phantom stock in the company, indicating their continued commitment to COLUMBIA BANKING SYSTEM, INC.
The acquisition of the deferred compensation phantom stock was made on March 16, 2026, suggesting the reporting person's regular participation in the company's deferred compensation plan.
The reporting person's beneficial ownership of the company's shares increased to 48,403 shares, indicating a significant stake in the company.

Filed: 2026-02-05

The reporting person, Luis Machuca, acquired additional deferred compensation phantom stock in two separate transactions, indicating their continued long-term commitment to Columbia Banking System, Inc.
The transactions were automatic accruals under the company's deferred compensation plan, suggesting a pre-existing arrangement rather than discretionary purchases.
The increase in the reporting person's beneficial ownership of the company's common stock through the deferred compensation plan may signal their confidence in the company's long-term prospects.

Filed: 2026-02-04

The reporting person, Andrew H. Ognall, who is the EVP and Chief Risk Officer of Columbia Banking System, Inc. (COLB), acquired 4,510 shares of the company's common stock on February 2, 2026.
The reporting person also disposed of 1,929 shares to cover tax withholding obligations, resulting in a net increase of 2,581 shares in his direct beneficial ownership.
The reporting person now holds a total of 74,937 shares of the company's common stock directly, and an additional 2,635 shares indirectly through a 401(k) plan.

Filed: 2026-02-04

Clint Stein, the Chair, President, and CEO of Columbia Banking System, Inc., acquired a significant amount of shares through performance restricted stock units that vested on February 2, 2026.
Stein also sold a portion of his shares to cover tax withholding obligations, indicating a continued commitment to the company.
The share acquisition and retention suggest confidence in the company's performance and future prospects.

Other reports for COLUMBIA BANKING SYSTEM, INC.

Quarterly Report Current Report Annual Report

Important Information

AI-generated analysis is for informational purposes only. Always read original SEC filings and consult with qualified professionals before making investment decisions.