Columbia Banking System, Inc. (COLB) SEC Filings & Earnings Calls

Provision for credit losses increased to $33M from $27M in prior quarter, indicating potential credit deterioration.

“Provision expense was $33 million, compared to $27 million for the prior quarter.” · word for word

Tangible book value per share declined from $19.22 to $18.10, partly due to share repurchases and subordinated debt issuance.

“Tangible book value per common share │ $18.10 │ $19.22 │ $18.57”

Agricultural loan concentration

“The increases in non-performing assets and loans primarily reflect adverse performance in a single agricultural industry relationship and are not indicative of broader portfolio deterioration.” · word for word

Office CRE exposure

“Loans secured by office properties, which are predominantly located in suburban markets, represented approximately 8% of our total loan portfolio at both June 30, 2026 and December 31, 2025” · word for word

Net interest margin declined 3 bps due to interest income reversals and balance sheet deleveraging.

“Net interest margin was 3.93%, down 3 basis points from the prior quarter, as the interest income reversals mentioned above reduced the net interest margin by 3 basis points.” · word for word

Non-performing assets ratio increased slightly to 0.42% from 0.40%.

“Non-performing assets to total assets ratio was 0.42%, compared to 0.40% as of March 31, 2026.” · word for word

Credit quality normalization

“The increase in non-performing loans as of March 31, 2026 is indicative of a more normalized credit environment.” · word for word

Concentration in commercial real estate

“CRE and commercial loan portfolios are the largest classifications within earning assets, representing 46% and 20%, respectively, of average earning assets at March 31, 2026” · word for word

Interest rate sensitivity

“As of March 31, 2026, the balance sheet remains modestly liability sensitive.” · word for word

Credit quality deterioration: net charge-offs increased to 0.30% from 0.25% prior quarter; provision expense rose to $28M from $23M; non-performing assets ratio increased to 0.40% from 0.30%.

“Net charge-offs were 0.30% of average loans and leases (annualized), compared to 0.25% for the prior quarter. Provision expense was $28 million, compared to $23 million for the prior quarter. Non-performing assets to total assets ratio was 0.40%, compared to 0.30% as of December 31, 2025.” · word for word

Net interest income decline: decreased $33M QoQ, partly due to non-repeating items and lower average interest-earning asset balances.

“Net interest income decreased by $33 million from the prior quarter, which included $17 million of net interest income related to premium amortization on acquired time deposits and an accelerated loan repayment that did not repeat in the current quarter.” · word for word

Merger integration execution risk

“2025 financial results were impacted by a legal settlement and Columbia’s acquisition of Pacific Premier; merger-related expense and an initial provision for credit losses related to the acquired portfolio impacted results without the full benefit of anticipated cost savings.” · word for word

Credit quality deterioration

“Credit performance remained strong and stable. Net charge-offs to average loans and leases (annualized) 0.27%.”

Interest rate sensitivity

“Net interest margin expanded to 3.83% for 2025, compared to 3.57% for 2024, due to balance sheet optimization activity and a more favorable interest rate environment.” · word for word

CRE concentration risk

“Concentrations within our loan portfolio could result in increased credit risk in a challenging economy.” · word for word

Interest rate sensitivity

“Our profitability is dependent to a large extent upon net interest income, which is the difference (or “spread”) between the interest earned on loans, securities and other interest-earning assets and the interest paid on deposits, borrowings, and other interest-bearing liabilities.” · word for word

Data breach liability

“On behalf of the Bank, the Vendor notified affected customers (approximately 429,000), and the Bank and Vendor notified applicable federal and state regulators regarding the Vendor Incident.” · word for word

No material risks disclosed in this filing.

“Filing only announces dividend; no risk factors discussed.”

Net charge-offs increased to 0.25% from 0.22% QoQ, indicating slight credit deterioration.

“Net charge-offs were 0.25% of average loans and leases (annualized), compared to 0.22% for the prior quarter.” · word for word

Integration risk from Pacific Premier acquisition; cost savings expected by mid-2026.

“We remain on track to complete the systems conversion and branch consolidations during the first quarter of 2026.” · word for word

Integration risk from Pacific Premier acquisition

“Merger and restructuring expenses are expected to remain elevated through system integration in the first quarter of 2026.” · word for word

Credit quality deterioration

“Non-performing loans and leases were $196 million, or 0.40% of total loans and leases, as of September 30, 2025, compared to $167 million, or 0.44% as of December 31, 2024.” · word for word

Legal settlement risk

“Legal settlement increased during the nine months ended September 30, 2025... due to the $55 million accrual related to a legal settlement” · word for word

Transition risk minimal due to internal promotion and advisory period.

“Farnsworth to serve as advisor through June 2026.”

Merger integration risk; reported earnings impacted by $87M merger and restructuring expense.

“Non-interest expense increased by $115 million, primarily due to merger and restructuring expense of $87 million” · word for word

Provision expense elevated due to acquisition; credit quality remains stable.

“Provision expense was $70 million and driven by the acquisition of Pacific Premier” · word for word