Welcome to our dedicated page for Columbia Bank SEC filings (Ticker: COLB), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Columbia Banking System, Inc. filings document the disclosure record of a Washington bank holding company whose common stock trades on Nasdaq under COLB. Form 8-K reports cover earnings releases, Regulation FD investor presentations, dividend declarations, officer appointments, compensation arrangements and other material events involving Columbia Banking System and Columbia Bank.
Definitive proxy materials cover shareholder voting matters, board governance, executive compensation, equity awards and related corporate-governance disclosures. The company’s filing record also identifies its registered common stock, capital-structure disclosures, periodic financial reporting references and governance matters tied to its regional banking operations.
Columbia Banking System Senior Executive VP Christopher Merrywell reported a tax-withholding disposition of 3,230 shares of common stock at $28.45 per share. This Form 4 event reflects shares withheld to satisfy tax obligations rather than an open-market sale. After the transaction, he directly owned 41,027 common shares.
Columbia Banking System EVP and Chief Accounting Officer Lakely Brock reported a tax-related share disposition. On this Form 4, Brock transferred 391 shares of common stock on March 1, 2026 at $28.45 per share to cover tax liabilities, a non-open-market transaction coded as a tax-withholding disposition. After this transaction, Brock directly owns 10,469 common shares.
Columbia Banking System executive reports tax-related share transfer. EVP and Chief Marketing Officer David Moore Devine disposed of 838 shares of common stock on March 1, 2026 in a transaction coded “F,” which represents a tax-withholding disposition rather than an open-market sale. The shares were valued at $28.45 per share. After this transaction, he directly owned 21,944 common shares.
COLUMBIA BANKING SYSTEM, INC. executive Aaron James Deer, EVP Chief Strategy/Innovation Officer, reported a tax-related share disposition. On March 1, 2026, he transferred 918 shares of common stock at $28.45 per share as a tax-withholding disposition, classified under code F. After this transaction, he directly owned 40,925 shares of common stock.
Columbia Banking System executive reports tax-related share disposition
COLUMBIA BANKING SYSTEM, INC. executive officer Kumi Yamamoto Baruffi, EVP General Counsel and Corporate Secretary, reported a tax-withholding disposition of 1,799 shares of common stock at $28.45 per share. After this tax-related transaction, she directly holds 52,271 shares of Columbia Banking System common stock.
Columbia Banking System executive Drew K. Anderson reported a tax-related share disposition under a Form 4. On the transaction date, 1,808 shares of common stock were delivered at $28.45 per share to satisfy a tax obligation, leaving 20,678 common shares held directly after the transaction.
Columbia Banking System, Inc. files its Annual Report describing a transformed 2025 after completing its acquisition of Pacific Premier on August 31, 2025 and unifying operations under the Columbia Bank brand. The bank now serves customers across Arizona, California, Colorado, Idaho, Nevada, Oregon, Texas, Utah, and Washington.
The company reports 6,005 employees as of December 31, 2025, a 27% workforce increase largely tied to the deal. Market data in the report show an aggregate market value of non‑affiliate common stock of $3.63 billion based on a June 30, 2025 share price of $23.38, with 295,550,687 shares outstanding as of January 31, 2026.
The filing highlights a “community banking at scale” strategy, expanded Southern California presence, broad commercial and consumer product offerings, and detailed sustainability, community investment, and human‑capital initiatives. Columbia and its bank subsidiary report being well‑capitalized, with CET1 ratios of 11.80% and 12.32% and total capital ratios of 13.63% and 13.26% as of year‑end 2025.
Stein Clint reported acquisition or exercise transactions in this Form 4 filing.
Columbia Banking System director and CEO Clint Stein received a grant of 56,017 restricted stock units on 02/18/2026 at a reference price of $31.24 per unit. These RSUs vest in equal installments of 33.33% per year over three years. After this award, Stein directly holds 185,155 restricted stock units in total.
Columbia Banking System reported an equity compensation grant to its EVP and Chief Financial Officer, Ivan A. Seda. He acquired 12,804 restricted stock units at a reference price of $31.24 per unit as a grant or award, increasing his direct holdings of this derivative security to 12,804 units.
According to the terms, the restricted stock units granted on February 18, 2026 will vest in three equal annual installments of 33.33% per year over three years, aligning a portion of the CFO’s compensation with the company’s future performance and share value over that period.
OGNALL ANDREW H reported acquisition or exercise transactions in this Form 4 filing.
Columbia Banking System EVP Chief Risk Officer Andrew H. Ognall received a grant of 8,002 restricted stock units on February 18, 2026. The award is scheduled to vest in roughly equal installments of 33.33% per year over three years, aligning part of his compensation with future company performance.