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Fair Value of Financial Instruments
 6 Months Ended
Jun. 30, 2026
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments
Note 5 — Fair Value of Financial Instruments
Fair value is the exchange price that is expected to be received for an asset or paid to transfer a liability (exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. Certain assets and liabilities are recorded in the Company’s consolidated financial statements at fair value. Some are recorded on a recurring basis and some on a nonrecurring basis.
The Company utilizes fair value measurement to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. The determination of fair values of financial instruments often requires the use of estimates. In cases where quoted market values in an active market are not available, the Company utilizes valuation techniques that are consistent with the market approach, the income approach and/or the cost approach to estimate the fair values of its financial instruments. Such valuation techniques are consistently applied.
A hierarchy for fair value has been established, which categorizes the valuation techniques into three levels used to measure fair value. The three levels are as follows:
Level 1 - Fair value is based on unadjusted quoted prices in active markets for identical assets or liabilities.
Level 2 - Fair value is based on significant other observable inputs that are generally determined based on a single price for each financial instrument provided to the Company by an unrelated third-party pricing service and is based on one or more of the following:
•Quoted prices for similar, but not identical, assets or liabilities in active markets;
•Quoted prices for identical or similar assets or liabilities in markets that are not active;
•Inputs other than quoted prices that are observable, such as interest rate and yield curves, volatilities, prepayment speeds, loss severities, credit risks and default rates; and
•Other inputs derived from or corroborated by observable market inputs.
Level 3 - Prices or valuation techniques that require inputs that are both significant and unobservable in the market. These instruments are valued using the best information available, some of which is internally developed, and reflects the Company’s own assumptions about the risk premiums that market participants would generally require and the assumptions they would use. These estimates can be inherently uncertain.
There were no transfers between fair value reporting levels for any period presented.
Fair Values of Assets and Liabilities Recorded on a Recurring Basis
The following tables summarize financial assets and financial liabilities recorded at fair value on a recurring basis at June 30, 2026, and December 31, 2025, segregated by the level of valuation inputs within the fair value hierarchy utilized to measure fair value. There were no changes in the valuation techniques during the periods presented.
June 30, 2026
(Dollars in thousands)Level 1Level 2Level 3Total
State and municipal securities$— $263,779 $28,455 $292,234 
Corporate bonds— 43,257 6,000 49,257 
U.S. government agency securities— 12,983 — 12,983 
Commercial mortgage-backed securities— 18,175 — 18,175 
Residential mortgage-backed securities— 443,523 — 443,523 
Commercial collateralized mortgage obligations— 87,216 — 87,216 
Residential collateralized mortgage obligations— 238,835 — 238,835 
Securities available for sale— 1,107,768 34,455 1,142,223 
Securities carried at fair value through income— — 5,872 5,872 
Rabbi Trust assets1,158 — — 1,158 
Other assets - derivatives— 9,858 — 9,858 
Total recurring fair value measurements - assets$1,158 $1,117,626 $40,327 $1,159,111 
Other liabilities - derivatives$— $(9,290)$— $(9,290)
Total recurring fair value measurements - liabilities$— $(9,290)$— $(9,290)
December 31, 2025
(Dollars in thousands)Level 1Level 2Level 3Total
State and municipal securities$— $261,042 $33,842 $294,884 
Corporate bonds— 54,704 1,000 55,704 
U.S. government agency securities— 3,140 — 3,140 
Commercial mortgage-backed securities— 15,286 — 15,286 
Residential mortgage-backed securities— 454,485 — 454,485 
Commercial collateralized mortgage obligations— 82,793 — 82,793 
Residential collateralized mortgage obligations— 210,884 — 210,884 
Securities available for sale— 1,082,334 34,842 1,117,176 
Securities carried at fair value through income— — 6,215 6,215 
Rabbi Trust assets839 — — 839 
Other assets - derivatives— 13,152 — 13,152 
Total recurring fair value measurements - assets$839 $1,095,486 $41,057 $1,137,382 
Other liabilities - derivatives$— $(13,491)$— $(13,491)
Total recurring fair value measurements - liabilities$— $(13,491)$— $(13,491)
The changes in Level 3 assets and liabilities measured at fair value on a recurring basis for the six months ended June 30, 2026 and 2025, are summarized as follows:
(Dollars in thousands)Securities Available for SaleSecurities at Fair Value Through Income
Balance at January 1, 2026$34,842 $6,215 
Loss recognized in earnings:
Other noninterest income— (13)
Loss recognized in Accumulated Other Comprehensive Income (“AOCI”)(822)— 
Purchases, issuances, sales and settlements:
Purchases8,409 — 
Settlements(7,974)(330)
Balance at June 30, 2026
$34,455 $5,872 
(Dollars in thousands)Securities Available for SaleSecurities at Fair Value Through Income
Balance at January 1, 2025$35,754 $6,512 
Gain recognized in earnings:
Other noninterest income— 21 
Loss recognized in AOCI(50)— 
Purchases, issuances, sales and settlements:
Purchases638 — 
Settlements(1,269)(315)
Balance at June 30, 2025
$35,073 $6,218 
The Company obtains fair value measurements for securities available for sale and securities at fair value through income from an independent pricing service; therefore, quantitative unobservable inputs are unknown.
The following methodologies were used to measure the fair value of financial assets and liabilities valued on a recurring basis:
Securities Available for Sale
Securities classified as available for sale are reported at fair value utilizing Level 1, Level 2 or Level 3 inputs. For Level 1 securities, the Company obtains the fair value measurements for those identical assets from an independent pricing service. For Level 2 securities, the Company obtains fair value measurements from an independent pricing service. The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, the U.S. Treasury yield curve, live trading levels, market consensus prepayment speeds, credit information and the security's terms and conditions, among other things. In order to ensure the fair values are consistent with ASC 820, Fair Value Measurements and Disclosures, the Company periodically checks the fair value by comparing them to other pricing sources, such as Bloomberg LP. The third-party pricing service provides a SOC 1 Type 2 report on its internal controls, which was made available to and reviewed by the Company. In certain cases where Level 2 inputs are not available, securities are classified within Level 3 of the hierarchy. For Level 3 securities, the Company determines the fair value of the instruments based on features such as callability, embedded put options, and prepayment optionality. Instruments with put option features are valued at book value, non-putable instruments are priced mainly using a present value calculation based on the spread to the yield curve.
Derivatives
Fair values for interest rate swap agreements and interest rate lock commitments are based upon the amounts that would be required to settle the contracts. Fair values for risk participations are based on the fair values of the underlying derivative transactions and an assessment of counterparty credit risk. Fair values for interest rate swaps designated as fair value hedges are based upon observable Level 2 inputs such as forward fixed and floating rate projections entered into a discounted cash flow model using factors based upon the market yield curve. Fair values for interest rate options (caps) are based upon observable Level 2 inputs such as forward floating rate and floating rate volatility projections entered into a discounted cash flow model using factors based upon the market yield curve. For further details on interest rate swaps designated as fair value hedges, refer to Note 7 — Derivative Financial Instruments.
Fair Values of Assets Recorded on a Recurring Basis for which the Fair Value Option has been Elected
Certain assets are measured at fair value on a recurring basis due to the Company’s election to adopt fair value accounting treatment for those assets. For interest-earning assets for which the fair value has been elected, the earned current contractual interest payment is recognized in interest income. For securities carried at fair value through income and loans held for sale, this election allows for a more effective offset of the changes in fair values of the assets and the derivative instruments used to economically hedge them without the burden of complying with the requirements for hedge accounting under ASC Topic 815, Derivatives and Hedging. For the Rabbi Trust assets, the Company has elected the fair value option for these investments in order to align their valuation with the related deferred compensation liabilities. At June 30, 2026, and December 31, 2025 there were no gains or losses recorded attributable to changes in instrument-specific credit risk. The following tables summarize the difference between the fair value and the unpaid principal balance, amortized cost or contributions, respectively, for financial instruments for which the fair value option has been elected:
June 30, 2026
(Dollars in thousands)Aggregate Fair ValueAmortized Cost/ContributionsDifference
Securities carried at fair value through income$5,872 $5,870 $2 
Rabbi Trust assets1,158 1,083 75 
Total$7,030 $6,953 $77 
December 31, 2025
(Dollars in thousands)Aggregate Fair ValueAmortized Cost/ContributionsDifference
Securities carried at fair value through income$6,215 $6,200 $15 
Rabbi Trust Assets839 801 38 
Total$7,054 $7,001 $53 

Changes in the fair value of assets for which the Company elected the fair value option are classified in the Consolidated Statements of Income line items reflected in the following table:
(Dollars in thousands)Three Months Ended June 30,Six Months Ended June 30,
Changes in fair value included in noninterest income:2026202520262025
Other income:
Securities carried at fair value through income$5 $21 $(13)$21 
Total fair value option impact on noninterest income$5 $21 $(13)$21 
Changes in fair value included in noninterest expense:
Rabbi Trust assets$(56)$(21)$(37)$(20)
Deferred compensation liabilities related to Rabbi Trust assets(1)
56 21 37 20 
Total fair value option impact on noninterest expense$— $— $— $— 
____________________________
(1)Please see the Rabbi Trust section below for more detail on its impact on the Company’s net income.
The following methodologies were used to measure the fair value of financial assets valued on a recurring basis for which the fair value option was elected:
Securities at Fair Value through Income
Securities carried at fair value through income are valued using a discounted cash flow with a credit spread applied to each instrument based on the creditworthiness of each issuer. The credit spread was 227 basis points at both June 30, 2026, and December 31, 2025. The Company believes the fair value approximates an exit price.
Rabbi Trust
The Company maintains a Rabbi Trust to fund obligations under the Origin Bank Nonqualified Deferred Compensation Plan. Investments within the Rabbi Trust consist of various mutual funds based on the participants individual investment elections. The Company has elected the fair value option for these investments to align their valuation with the related deferred compensation liabilities. Fair values for the Rabbi Trust investments are valued at the daily closing price as reported by the mutual fund. These assets are included in accrued interest receivable and other assets in the Company’s Consolidated Balance Sheet, while the offsetting deferred compensation liabilities are included in accrued expenses and other liabilities. Compensation (benefit) expense associated with the deferred compensation liabilities is offset by loss (gain) from the related security investments Rabbi Trust. The net effect of investment income or loss and related compensation expense or benefit has no impact on the Company’s net income or cash balances because the fair value adjustments for the assets and the change in the liabilities offset each other. Changes in the fair value of the Rabbi Trust assets and changes in the deferred compensation obligation are recognized in salaries and employee benefits in the accompanying Consolidated Statements of Income.
Fair Value of Assets Recorded on a Nonrecurring Basis
Non-marketable equity securities held in other financial institutions
The Company’s non-marketable equity securities held in other financial institutions are within Level 2 of the fair value hierarchy and do not have readily determinable fair values. Securities with limited marketability, such as stock in the Federal Reserve Bank of Dallas (“FRBD”) or the FHLB, are carried at cost, less impairment, if any. We believe these amounts approximate the fair value of these securities. To date, no impairment has been recorded on the Company's investments in equity securities that do not have readily determinable fair values.
Individually Evaluated Loans with Credit Losses
Loans for which it is probable that the Company will not collect all principal and interest due according to contractual terms are measured to determine if any credit loss exists. Allowable methods for determining the amount of credit loss include estimating the fair value using the fair value of the collateral for collateral-dependent loans and a discounted cash flow methodology for other evaluated loans that are not collateral dependent. If the loan is identified as collateral-dependent, the fair value method of measuring the amount of credit loss is utilized. Evaluating the fair value of the collateral for collateral-dependent loans requires obtaining a current independent appraisal of the collateral and applying a discount factor to the value. If the loan is not collateral-dependent, the discounted cash flow method is utilized, which involves assumptions and judgments as to credit risk, prepayment risk, liquidity risk, default rates, loss severity, payment speeds, collateral values and discount rate. Loans that have experienced a credit loss with specific allocated losses are within Level 3 of the fair value hierarchy when the credit loss is determined using the fair value method. The fair value of collateral-dependent loans that have specific allocated reserves was approximately $6.1 million and $5.2 million at June 30, 2026, and December 31, 2025, respectively.
Non-Financial Assets
Held for sale other real estate owned properties include foreclosed assets and bank-owned real estate, which the Company is no longer utilizing and intends to sell and are the only non-financial assets valued on a nonrecurring basis that are initially recorded by the Company at fair value, less estimated costs to sell. At foreclosure, if the fair value, less estimated costs to sell, of the real estate acquired is less than the Company’s recorded investment in the related loan, a write-down is recognized through a charge to the ALCL. Similarly, real estate-based properties that were formerly operating as bank offices are evaluated at the time the decision is made to sell, and if the fair value, less estimated costs to sell, of the property is less than the Company’s net book value, a write-down is recognized. Additionally, valuations are periodically performed by management, and any subsequent reduction in value is recognized by a charge to income. The carrying value and fair value of foreclosed assets and bank-owned real estate held for sale was estimated using Level 3 inputs based on observable market data and was $759,000 and $694,000 at June 30, 2026, and December 31, 2025, respectively. At June 30, 2026, and December 31, 2025, the Company had $3.8 million and $5.4 million, respectively, principal amounts of residential mortgage loans in the process of foreclosure.
Fair Values of Financial Instruments Not Recorded at Fair Value
The carrying value and estimated fair values of financial instruments not recorded at fair value are as follows:
(Dollars in thousands)June 30, 2026December 31, 2025
Financial assets:
Level 1 inputs:
Carrying
Value		Estimated
Fair Value		Carrying
Value		Estimated
Fair Value
Cash and cash equivalents$546,531 $546,531 $424,217 $424,217 
Level 2 inputs:
Non-marketable equity securities held in other financial institutions
37,662 37,662 31,069 31,069 
Loans held for sale1,146 1,146 1,032 1,032 
Accrued interest receivable35,748 35,748 35,152 35,152 
Level 3 inputs:
Securities held to maturity10,557 9,074 10,559 9,607 
LHFI, net7,975,389 7,868,185 7,574,135 7,459,710 
Financial liabilities:
Level 2 inputs:
Deposits8,703,251 8,698,766 8,307,247 8,302,897 
FHLB advances, repurchase agreements and other borrowings136,878 136,827 19,050 18,989 
Subordinated indebtedness16,594 16,580 16,544 16,530 
Accrued interest payable2,811 2,811 3,239 3,239