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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.
Nixon Torran B reported acquisition or exercise transactions in this Form 4 filing.
COLUMBIA BANKING SYSTEM, INC. Senior Executive VP Torran B. Nixon received a grant of 16,645 restricted stock units on 02/18/2026. These units were valued at $31.24 each at grant, and will vest 33.33% per year over three years. Following this award, Nixon holds 54,065 restricted stock units directly.
Namdar Frank reported acquisition or exercise transactions in this Form 4 filing.
Columbia Banking System EVP and Chief Credit Officer Frank Namdar reported an equity award and updated deferred compensation holdings. He received a grant of 8,002 restricted stock units at a reference price of $31.24 per unit, increasing his directly held restricted stock units to 16,460.
The restricted stock units were granted on February 18, 2026 and will vest 33.33% per year over three years, providing time-based incentive compensation. Namdar also reported 2,917 units of deferred compensation phantom stock under the company’s deferred compensation plan, which will be settled in cash after his employment ends.
Moore Devine David reported acquisition or exercise transactions in this Form 4 filing.
Columbia Banking System EVP and Chief Marketing Officer David Moore Devine received a grant of 2,800 restricted stock units on 02/18/2026. The units were valued at $31.24 per unit on the grant date and represent equity-based compensation rather than an open-market purchase.
The grant will vest in three equal installments of 33.33% per year over three years, encouraging longer-term retention. Following this award, Moore Devine holds a total of 5,619 restricted stock units directly.
Merrywell Christopher reported acquisition or exercise transactions in this Form 4 filing.
COLUMBIA BANKING SYSTEM, INC. Senior Executive VP Christopher Merrywell reported an equity compensation grant of 16,645 restricted stock units on 02/18/2026 at $31.24 per unit. After this award, he directly holds 56,304 units. The grant will vest 33.33% per year over three years.
Lakely Brock reported acquisition or exercise transactions in this Form 4 filing.
COLUMBIA BANKING SYSTEM, INC. executive Lakely Brock, EVP and Chief Accounting Officer, received a grant of 5,601 restricted stock units on February 18, 2026 at a reference price of $31.24 per unit. The award vests in three equal annual installments and brings Brock’s directly held RSUs to 10,656.
Giem Judi reported acquisition or exercise transactions in this Form 4 filing.
Columbia Banking System, Inc. executive Judi Giem, EVP and Chief Human Resources Officer, reported an equity compensation grant in the form of 8,322 restricted stock units on February 18, 2026. The grant was recorded at a reference price of $31.24 per unit and represents a non-cash award rather than an open-market purchase.
After this grant, Giem directly holds a total of 15,501 restricted stock units. According to the disclosure, the award will vest in installments of 33.33% per year over three years, meaning the units become deliverable as shares over time if service-based conditions are met.
Deer Aaron James reported acquisition or exercise transactions in this Form 4 filing.
Columbia Banking System, Inc. executive Aaron James Deer, EVP Chief Strategy/Innovation Officer, reported receiving a grant of 4,001 restricted stock units on February 18, 2026 at a reference price of $31.24 per unit. The award will vest 33.33% per year over three years, and his directly held restricted stock units total 8,700 after this grant.
BARUFFI KUMI YAMAMOTO reported acquisition or exercise transactions in this Form 4 filing.
Columbia Banking System executive receives stock-based compensation. EVP and General Counsel Kumi Yamamoto Baruffi was granted 8,322 restricted stock units at $31.24 per unit. The award vests 33.33% per year over three years, bringing her directly held RSU balance to 15,464 units after the grant.
COLUMBIA BANKING SYSTEM, INC. executive Drew K. Anderson, EVP Chief Admin Officer, reported an equity award of 8,002 restricted stock units on February 18, 2026. The filing values the grant at $31.24 per unit. After this award, Anderson holds 53,113 derivative securities in total.
The restricted stock units were granted on February 18, 2026 and will vest in installments of 33.33% per year over three years. This represents a compensation-related acquisition of stock-based incentives rather than an open-market share purchase or sale.
COLUMBIA BANKING SYSTEM, INC. Chair, President and CEO Clint Stein reported a tax-related share disposition under an equity award. On this Form 4, he transferred 3,922 shares of common stock at $31.49 per share to cover tax obligations. After this transaction, he directly holds 150,353 common shares.