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.
The Columbia Banking System, Inc. (COLB) SEC filings page on Stock Titan provides direct access to the company’s regulatory disclosures as filed with the U.S. Securities and Exchange Commission. Columbia is a Washington‑incorporated bank holding company whose common stock trades on The Nasdaq Stock Market LLC under the symbol COLB, and its filings offer detailed insight into the operations of Columbia Bank and related subsidiaries.
Investors can use this page to locate current reports on Form 8‑K, which Columbia files to report material events. Recent 8‑Ks describe items such as quarterly and annual earnings releases, authorization of cash dividends, approval of a common stock repurchase program, completion of the all‑stock acquisition of Pacific Premier Bancorp, Inc., and regulatory approvals for that transaction. Other 8‑Ks document leadership and governance changes, including the appointment of executive officers like the Chief Financial Officer and Chief Accounting Officer, transitions of existing executives into advisory roles, and the addition of former Pacific Premier directors to Columbia’s Board of Directors and its committees.
Filings related to the Pacific Premier acquisition, including the initial Form 8‑K and subsequent Form 8‑K/A amendments, provide detail on the merger structure, exchange ratio, treatment of equity awards, and pro forma financial information for the combined company. Additional 8‑K items reference joint press releases, consulting agreements, and regulatory approvals from banking authorities that were required to complete the transaction.
On Stock Titan, these SEC filings are supplemented with AI‑powered summaries designed to highlight the key points of each document, such as the nature of a reported event, its potential impact on Columbia’s capital, governance or operations, and any notable terms in attached exhibits. Users can quickly scan high‑level explanations of earnings‑related 8‑Ks, dividend and buyback announcements, merger disclosures, and executive compensation or transition agreements, while retaining the ability to review the full text of each filing for comprehensive analysis.
Columbia Banking System executive Namdar Frank reported routine equity adjustments related to prior stock awards. On January 20, 2026, 579 shares of common stock were forfeited under performance-based restricted stock units granted on February 21, 2023 because the total shareholder return target was not met at the target level.
On the same date, 1,652 shares were withheld at $28.35 per share to cover Frank’s tax obligations upon vesting of previously issued restricted stock units. After these transactions, Frank directly held 31,163 common shares and indirectly held 4,089 shares through a 401(k) plan, reflecting updated beneficial ownership rather than an open-market sale.
Columbia Banking, Inc. executive vice president and chief marketing officer David Moore Devine reported routine equity compensation adjustments in common stock on January 20, 2026. The filing shows 260 shares of common stock were forfeited under performance restricted stock units that were granted on February 21, 2023 because the company’s total shareholder return target was not met at target. An additional 628 shares of common stock were withheld to cover tax withholding obligations tied to the vesting of previously issued restricted stock units. Following these transactions, he directly holds 22,137 shares of Columbia Banking common stock.
Columbia Banking System EVP Chief Risk Officer Andrew H. Ognall reported equity award adjustments involving company common stock. On January 20, 2026, 559 shares of common stock were forfeited at $0 under performance restricted stock units granted on February 21, 2023 after the issuer’s total shareholder return target was not achieved at target levels. On the same date, 1,353 shares were withheld at $28.35 per share to cover his tax obligations tied to vesting restricted stock units. Following these transactions, Ognall beneficially owns 72,356 common shares directly and 2,635 common shares indirectly through a 401(k) plan.
Columbia Banking System executive Kumi Yamamoto Baruffi reported routine stock adjustments tied to performance awards and taxes. On January 20, 2026, 632 shares of common stock were forfeited at $0 under performance-based restricted stock units granted on February 21, 2023, after a total shareholder return target was not achieved at the target level. The same day, 1,508 shares were withheld at $28.35 per share to cover tax obligations from the vesting of restricted stock units. Following these transactions, the executive directly owned 52,123 shares of Columbia Banking common stock.
Columbia Banking System EVP Drew K. Anderson reported two stock transactions involving company common shares. On January 20, 2026, 390 shares were forfeited at $0 pursuant to performance-based restricted stock units granted on February 21, 2023, after the company’s total shareholder return target was not met at target. On the same date, 1,114 shares were withheld at $28.35 per share to cover tax obligations tied to the vesting of previously issued restricted stock units. After these transactions, Anderson directly owned 21,838 shares of Columbia Banking System common stock.
Columbia Banking System senior executive Torran B. Nixon reported routine changes in his COLB stock holdings. On January 20, 2026, he forfeited 1,717 shares of common stock at $0, tied to performance restricted stock units granted on February 21, 2023 that did not meet the issuer's total shareholder return target. On the same date, 3,873 shares were withheld at $28.35 per share to cover tax obligations from vesting restricted stock units.
After these transactions, Nixon directly owned 99,279 shares of common stock, and indirectly held 3,650 shares through the Nixon Family Trust and 1,855 shares through a 401(k) plan. He serves as Senior Executive Vice President of Columbia Banking System.
Columbia Banking System's Senior Executive VP Christopher Merrywell reported routine equity compensation adjustments in connection with restricted stock units. On January 20, 2026, he forfeited 1,560 shares of common stock tied to performance restricted stock units granted on February 21, 2023 after the company’s total shareholder return target was not achieved at target levels. On the same date, 3,496 shares were withheld at $28.35 per share to cover tax obligations arising from the vesting of previously issued restricted stock units. Following these transactions, Merrywell directly owns 38,336 shares of Columbia Banking common stock.
Columbia Banking, Inc. Chair, President and CEO Clint Stein reported several equity award-related changes in his common stock holdings on January 20, 2026. He forfeited 3,588 shares tied to performance restricted stock units granted on February 21, 2023 because a total shareholder return target was not met at target, and separately forfeited 2,727 shares from performance restricted stock units granted on March 14, 2023 for the same reason. In addition, 7,615 shares and 5,635 shares of common stock were withheld at a price of $28.35 per share to satisfy his tax withholding obligations associated with the vesting of previously issued restricted stock units. Following these transactions, Stein directly owned 123,396 shares of Columbia Banking common stock.
Columbia Banking System, Inc. reported that it has released its fourth quarter and full year 2025 financial results through a press release. The company states that it will provide final financial statements and additional analysis for the year ended December 31, 2025 in its upcoming annual report on Form 10-K.
Columbia Banking System also prepared an investor slide presentation to accompany its earnings conference call on January 22, 2026. Both the press release and the investor presentation are furnished as exhibits to this report and are expressly described as not being treated as filed or incorporated by reference into other securities law filings unless specifically referenced.
Columbia Banking System, Inc. announced a leadership change in its finance organization. Effective as of the end of business on November 19, 2025, Lisa M. White ceased serving as Executive Vice President, Principal Accounting Officer and Corporate Controller of the company and its bank subsidiary.
Effective November 20, 2025, Brock Lakely was appointed Executive Vice President, Chief Accounting Officer and Corporate Controller, and his annual base salary was set at $360,000. Lakely, age 46, previously served as the company’s Chief Accounting Officer from May 2018 through April 2023 and most recently was Chief Audit Executive. The company states there are no special arrangements, family relationships, or related-party transactions connected to his appointment.