Welcome to our dedicated page for COLUMBIA BANKING SYSTEM 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.
Our SEC filing database is enhanced with expert analysis from Rhea-AI, providing insights into the potential impact of each filing on COLUMBIA BANKING SYSTEM's stock performance. Each filing includes a concise AI-generated summary, sentiment and impact scores, and end-of-day stock performance data showing the actual market reaction. Navigate easily through different filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, proxy statements (DEF 14A), and Form 4 insider trading disclosures.
Designed for fundamental investors and regulatory compliance professionals, our page simplifies access to critical SEC filings. By combining real-time EDGAR feed updates, Rhea-AI's analytical insights, and historical stock performance data, we provide comprehensive visibility into COLUMBIA BANKING SYSTEM's regulatory disclosures and financial reporting.
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.
Columbia Banking System executive reports tax-related share disposition
EVP and Chief Risk Officer Andrew H. Ognall reported a tax-withholding disposition of 931 shares of Columbia Banking System common stock at $31.49 per share. After this transaction, he directly held 74,006 shares, plus 2,635 shares held indirectly through a 401(k) plan.
COLUMBIA BANKING SYSTEM, INC. Senior Executive VP Torran B. Nixon reported a tax-withholding share disposition. On February 15, 2026, 1,905 shares of common stock were used to cover taxes at $31.49 per share, leaving 105,690 shares held directly. He also reports indirect holdings of 3,650 shares through a family trust and 1,869 shares in a 401(k).
COLUMBIA BANKING SYSTEM, INC. executive Frank Namdar, EVP Chief Credit Officer, reported a tax-withholding disposition of 1,169 shares of common stock at $31.49 per share. This transaction satisfied tax obligations rather than representing an open-market sale. Following the transaction, he directly held 32,278 shares and indirectly held 4,126 shares through a 401(k) plan.
Columbia Banking System executive reports tax-related share disposition. EVP and Chief Marketing Officer David Moore Devine reported a tax-withholding disposition of 485 shares of common stock at $31.49 per share. After this transaction, he directly owns 22,782 shares of Columbia Banking System common stock.
Senior Executive VP Christopher Merrywell of Columbia Banking System reported a tax-withholding disposition of common stock. On February 15, 2026, 1,706 shares of common stock were disposed of at $31.49 per share to cover tax obligations. After this transaction, Merrywell directly owned 44,257 common shares of the company.
COLUMBIA BANKING SYSTEM, INC. executive Aaron James Deer reported a tax-related share disposition. On February 15, 2026, he transferred 531 shares of common stock at $31.49 per share to cover tax obligations. After this tax-withholding disposition, he directly owned 41,843 common shares.
COLUMBIA BANKING SYSTEM, INC. executive Kumi Yamamoto Baruffi, EVP General Counsel and Corporate Secretary, reported a Form 4 transaction involving company common stock. The filing shows a tax-withholding disposition of 1,036 shares of common stock at a price of $31.49 per share on February 15, 2026. After this transaction, the reporting person directly owned 54,070 shares of common stock.
COLUMBIA BANKING SYSTEM, INC. executive Drew K. Anderson, EVP Chief Admin Officer, reported a tax-withholding disposition of 788 shares of common stock at $31.49 per share. This Form 4 shows the transaction reduced his directly held stake to 22,486 shares following the disposition.
Columbia Banking System, Inc., parent of Columbia Bank, announced that its Board of Directors approved a quarterly cash dividend of $0.37 per common share. The dividend will be paid on March 16, 2026, to shareholders who are on record as of February 27, 2026. This continues the company’s practice of returning cash to common shareholders through regular dividends.