Organization, Description of Business and Summary of Significant Accounting Policies (Policies)	3 Months Ended
Mar. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The accompanying condensed consolidated financial statements were prepared in accordance with generally accepted accounting principles in the United States of America (“U.S. GAAP”) for interim financial information and are unaudited. Certain information and disclosures normally included in consolidated financial statements prepared in accordance with U.S. GAAP have been condensed or omitted. Accordingly, these condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements and related notes included in the Company’s 2024 Form 10-K. On February 3, 2025, the Company completed the previously announced acquisition (“Acquisition”) of TEADS, a private limited liability company (société à responsabilité limitée) incorporated and existing under the laws of the Grand Duchy of Luxembourg (“Teads”). As such, the accompanying condensed consolidated financial statements of the Company include the results of operations for legacy Teads from February 3, 2025 through March 31, 2025. As a result of the Acquisition, the financial information presented as of and for the three months ended March 31, 2025 is not directly comparable to our financial information presented for the corresponding prior year periods.
Use of Estimates	Use of Estimates The preparation of condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and related disclosures as of the date of the condensed consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. Estimates and judgments are based on historical information and on various other assumptions that the Company believes are reasonable under the circumstances. Estimates and assumptions made in the accompanying condensed consolidated financial statements include, but are not limited to, the allowance for credit losses, sales allowance, software development costs eligible for capitalization, valuation of deferred tax assets, the useful lives of property and equipment, the useful lives and fair value of intangible assets, valuation of goodwill, the fair value of stock-based awards, and the recognition and measurement of income tax uncertainties and other contingencies. Actual results could differ materially from these estimates.
Reclassifications	Reclassifications Certain reclassifications have been made to the prior periods’ financial information in order to conform to the current period’s presentation. These reclassifications primarily included the reclassification of publisher obligations of $57.4 million to accounts payable, as part of accounting policy alignment between legacy Outbrain and Teads. This obligation was previously recorded within accrued and other current liabilities in the Company’s consolidated balance sheet as of December 31, 2024. This reclassification had no impact on the Company’s current or total liabilities, or any other financial statement line items.
Revenue Recognition	Revenue Recognition The Company recognizes revenues when it transfers control of promised services directly to its customers, in an amount that reflects the consideration to which the Company expects to be entitled to in exchange for those services. The Company recognizes revenue pursuant to the five-step framework contained in ASC 606: (i) identify the contract with a client; (ii) identify the performance obligations in the contract, including whether they are distinct in the context of the contract; (iii) determine the transaction price, including the constraint on variable consideration; (iv) allocate the transaction price to the performance obligations in the contract; and (v) recognize revenue as the Company satisfies the performance obligations. The Company generates revenue primarily from advertisers (and/or through the media agencies that represent such advertisers) through user engagement with the ads placed on media partners’ web pages and mobile applications. The Company’s platform delivers ads to end-users that appear as links to articles and videos on media owners’ and CTV partners’ sites. The Company’s customers include brands, performance marketers and other advertisers, which are collectively referred to as its advertisers, each of which contract for use of its services primarily through insertion orders or through self-service tools, allowing advertisers to establish budgets for their advertising campaigns. Advertising campaigns are primarily billed on a monthly basis. The Company’s payment terms generally range from 30 to 60 days. Advertising campaigns are priced using various models, including cost per click (“CPC”), cost per thousand impressions (CPM) or other actions, such as a cost per view (CPV) based on a number of completed video views. Accordingly, revenues are recognized when an action associated with an advertisement occurs, whether that be an ad is clicked on, displayed or viewed by the end user. Variable consideration, including allowances, discounts, refunds, credits, incentives, or other price concessions, is estimated and recorded at the time that related revenue is recognized. Advance payments from advertisers for future services represent contract liabilities and are recorded as deferred revenue in the Company’s consolidated balance sheets. The determination of whether revenue should be reported on a gross or a net basis involves judgment. In general, the Company acts as a principal on behalf of its advertisers and revenue is recognized gross of any costs that it remits to the media partners. In these cases, the Company determined that it controls the advertising inventory before it is transferred to its advertisers. The Company’s control is evidenced by its ability to monetize the advertising inventory before it is transferred to its advertisers. For those revenue arrangements where the Company does not control the advertising inventory before it is transferred to its advertisers, the Company is the agent and recognizes revenue on a net basis. The Company recognizes revenue net of applicable sales taxes.
Cost of Revenue	Cost of Revenue Traffic Acquisition Costs. Traffic acquisition costs consist of amounts the Company owes to media partners for the purchase of or use of inventory. The Company incurs costs with its media partners. which may be publishers or third-party intermediaries, in the period in which certain actions, such as click-throughs, impressions or views, occur. Such costs due to media partners are based on the media partners’ contractual revenue share, a CPM model or guaranteed rates of payment based on certain media partner conditions. In some circumstances, the Company incurs costs based on a guaranteed minimum payment, which may be based on either impressions, page views or a fixed amount if the partner reaches certain performance targets, in exchange for guaranteed placement on specified portions of the media owners’ online properties. Traffic acquisition costs also include amounts payable to media partners whose supply is purchased programmatically. In some instances, the Company may make upfront payments to media owners in connection with long-term contracts. The Company capitalizes these advance payments under these agreements if specific capitalization criteria have been met. The capitalization criteria includes the existence of future economic benefits to the Company, the existence of legally enforceable recoverability language (e.g., early termination clauses), management’s ability and intent to enforce the recoverability language and the ability to generate future earnings from the agreement in excess of amounts deferred. Capitalized amounts are amortized as traffic acquisition costs over the shorter of the period of contractual recoverability or the corresponding period of economic benefit. Amounts not yet paid are accrued systematically based on the Company’s estimate of user engagement. Other Cost of Revenue. Other cost of revenue includes costs related to the management of data centers, hosting fees, data connectivity costs, research and insight costs, and depreciation and amortization. Cost of revenue also includes the amortization of capitalized software that is developed or obtained for internal use associated with the Company’s revenue-generating technologies. Additionally, other cost of revenue includes amortization of intangible assets related to developed technology acquired by the Company and used in its revenue-generating efforts.
Certain Risks and Concentrations	Certain Risks and Concentrations Financial instruments that potentially subject the Company to concentrations of credit risk consist of cash and cash equivalents, restricted cash, and accounts receivable. The Company’s cash and cash equivalents and restricted cash are generally invested in high-credit quality financial instruments with both banks and financial institutions to reduce the amount of exposure to any single financial institution. The Company generally does not require collateral to secure accounts receivable, with the exception of certain customers with higher potential credit risk who are required to prepay for their campaigns.
Segment Information	Segment Information The Company has one operating and reporting segment. The Company’s chief operating decision maker is its Chief Executive Officer who makes resource allocation decisions and assesses performance based on financial information presented on a consolidated basis.
New Accounting Pronouncements And Recently Issued Accounting Pronouncements	New Accounting Pronouncements Under the JOBS Act, the Company meets the definition of an emerging growth company (“EGC”) and can delay adopting new or revised accounting standards issued subsequent to the enactment of the JOBS Act until such time as those standards would otherwise apply to private companies. The Company has elected to use this extended transition period for complying with new or revised accounting standards that have different effective dates for public and private companies until the Company is no longer an EGC or until the Company affirmatively and irrevocably opts out of the extended transition period. Based on the anticipated total gross revenue of the Company, the Company expects that it will cease to be an emerging growth company as of December 31, 2025. Recently Issued Accounting Pronouncements In December 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures” (“ASU 2023-09”). ASU 2023-09 is focused on increased visibility into specific income tax components, requiring disclosures of specific categories and a greater disaggregation of information by jurisdiction within the effective tax rate reconciliation and income taxes paid disclosures. ASU 2023-09 is effective for our annual periods beginning January 1, 2025, or our Annual Report on Form 10-K for the year ended December 31, 2025, with early adoption permitted. The Company is in the process of evaluating the impact of ASU 2023-09 on its tax-related disclosures. In November 2024, the FASB issued ASU 2024-03, “Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures” (“ASU 2024-03”). ASU 2024-03 requires disclosures about certain costs and expenses, including but not limited to, purchases of inventory; employee compensation; depreciation; intangible asset amortization; and selling expenses. The ASU is required to be applied prospectively and is effective for annual reporting periods beginning after December 15, 2026, and interim periods beginning after December 15, 2027. The Company is in the process of evaluating the impact of ASU 2024-03 on its audited consolidated financial statements.
Fair Value Measurement	The Company utilizes valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs to the extent possible. The Company’s financial instruments include restricted time deposits, severance pay fund deposits and foreign currency forward contracts. The Company determines the fair value of its financial instruments based on assumptions that market participants would use in pricing an asset or liability in the principal or most advantageous market. When considering market participant assumptions in fair value measurements, the Company uses the fair value hierarchy described below to distinguish between observable and unobservable inputs: Level I — Valuations based on quoted prices in active markets for identical assets and liabilities at the measurement date; Level II — Valuations based on quoted prices in active markets for similar assets or liabilities, quoted prices for identical or similar assets or liabilities in inactive markets, or other inputs that are observable or can be principally corroborated by observable market data for substantially the full term of the related assets or liabilities; and Level III — Valuations based on unobservable inputs that are significant to the measurement of the fair value of the assets or liabilities that are supported by little or no market data.
Derivative Financial Instruments	Pursuant to the new master netting agreement entered into in February 2025, the Company may set off the amounts payable in the same currency. However, the Company records the fair values of the assets and liabilities relating to its undesignated foreign currency forward contracts on a gross basis in its condensed consolidated balance sheets and no amounts have been offset. The Company was required to post $1.5 million of cash collateral as of March 31, 2025. By entering into foreign currency forward contracts, the Company is exposed to a potential credit risk that the counterparty to its contracts will fail to meet its contractual obligations. If a counterparty fails to perform, the Company’s maximum credit risk exposure would be the positive fair value of the foreign currency forward contracts, or any asset balance, which represents the amount the counterparty owes to the Company. In order to mitigate the counterparty risk, the Company performs an evaluation of its counterparty credit worthiness, and its forward contracts have a term of no more than 18 months.
Share-Based Payment Arrangement	During the three months ended March 31, 2025, the Company granted 87,400 service-based RSUs with a weighted average grant date fair value of $4.09 per share.

Organization, Description of Business and Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2025

Organization, Consolidation and Presentation of Financial Statements [Abstract]

The accompanying condensed consolidated financial statements were prepared in accordance with generally accepted accounting principles in the United States of America (“U.S. GAAP”) for interim financial information and are unaudited. Certain information and disclosures normally included in consolidated financial statements prepared in accordance with U.S. GAAP have been condensed or omitted. Accordingly, these condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements and related notes included in the Company’s 2024 Form 10-K.

On February 3, 2025, the Company completed the previously announced acquisition (“Acquisition”) of TEADS, a private limited liability company (société à responsabilité limitée) incorporated and existing under the laws of the Grand Duchy of Luxembourg (“Teads”). As such, the accompanying condensed consolidated financial statements of the Company include the results of operations for legacy Teads from February 3, 2025 through March 31, 2025. As a result of the Acquisition, the financial information presented as of and for the three months ended March 31, 2025 is not directly comparable to our financial information presented for the corresponding prior year periods.

Use of Estimates

The preparation of condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and related disclosures as of the date of the condensed consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. Estimates and judgments are based on historical information and on various other assumptions that the Company believes are reasonable under the circumstances. Estimates and assumptions made in the accompanying condensed consolidated financial statements include, but are not limited to, the allowance for credit losses, sales allowance, software development costs eligible for capitalization, valuation of deferred tax assets, the useful lives of property and equipment, the useful lives and fair value of intangible assets, valuation of goodwill, the fair value of stock-based awards, and the recognition and measurement of income tax uncertainties and other contingencies. Actual results could differ materially from these estimates.

Reclassifications

Certain reclassifications have been made to the prior periods’ financial information in order to conform to the current period’s presentation. These reclassifications primarily included the reclassification of publisher obligations of $57.4 million to accounts payable, as part of accounting policy alignment between legacy Outbrain and Teads. This obligation was previously recorded within accrued and other current liabilities in the Company’s consolidated balance sheet as of December 31, 2024. This reclassification had no impact on the Company’s current or total liabilities, or any other financial statement line items.

Revenue Recognition

The Company recognizes revenues when it transfers control of promised services directly to its customers, in an amount that reflects the consideration to which the Company expects to be entitled to in exchange for those services. The Company recognizes revenue pursuant to the five-step framework contained in ASC 606: (i) identify the contract with a client; (ii) identify the performance obligations in the contract, including whether they are distinct in the context of the contract; (iii) determine the transaction price, including the constraint on variable consideration; (iv) allocate the transaction price to the performance obligations in the contract; and (v) recognize revenue as the Company satisfies the performance obligations.

The Company generates revenue primarily from advertisers (and/or through the media agencies that represent such advertisers) through user engagement with the ads placed on media partners’ web pages and mobile applications. The Company’s platform delivers ads to end-users that appear as links to articles and videos on media owners’ and CTV partners’ sites.

The Company’s customers include brands, performance marketers and other advertisers, which are collectively referred to as its advertisers, each of which contract for use of its services primarily through insertion orders or through self-service tools, allowing advertisers to establish budgets for their advertising campaigns. Advertising campaigns are primarily billed on a monthly basis. The Company’s payment terms generally range from 30 to 60 days.

Advertising campaigns are priced using various models, including cost per click (“CPC”), cost per thousand impressions (CPM) or other actions, such as a cost per view (CPV) based on a number of completed video views. Accordingly, revenues are recognized when an action associated with an advertisement occurs, whether that be an ad is clicked on, displayed or viewed by the end user.

Variable consideration, including allowances, discounts, refunds, credits, incentives, or other price concessions, is estimated and recorded at the time that related revenue is recognized. Advance payments from advertisers for future services represent contract liabilities and are recorded as deferred revenue in the Company’s consolidated balance sheets.

The determination of whether revenue should be reported on a gross or a net basis involves judgment. In general, the Company acts as a principal on behalf of its advertisers and revenue is recognized gross of any costs that it remits to the media partners. In these cases, the Company determined that it controls the advertising inventory before it is transferred to its advertisers. The Company’s control is evidenced by its ability to monetize the advertising inventory before it is transferred to its advertisers. For those revenue arrangements where the Company does not control the advertising inventory before it is transferred to its advertisers, the Company is the agent and recognizes revenue on a net basis. The Company recognizes revenue net of applicable sales taxes.

Cost of Revenue

Traffic Acquisition Costs. Traffic acquisition costs consist of amounts the Company owes to media partners for the purchase of or use of inventory. The Company incurs costs with its media partners. which may be publishers or third-party intermediaries, in the period in which certain actions, such as click-throughs, impressions or views, occur. Such costs due to media partners are based on the media partners’ contractual revenue share, a CPM model or guaranteed rates of payment based on certain media partner conditions. In some circumstances, the Company incurs costs based on a guaranteed minimum payment, which may be based on either impressions, page views or a fixed amount if the partner reaches certain performance targets, in exchange for guaranteed placement on specified portions of the media owners’ online properties. Traffic acquisition costs also include amounts payable to media partners whose supply is purchased programmatically.

In some instances, the Company may make upfront payments to media owners in connection with long-term contracts. The Company capitalizes these advance payments under these agreements if specific capitalization criteria have been met. The capitalization criteria includes the existence of future economic benefits to the Company, the existence of legally enforceable recoverability language (e.g., early termination clauses), management’s ability and intent to enforce the recoverability language and the ability to generate future earnings from the agreement in excess of amounts deferred. Capitalized amounts are amortized as traffic acquisition costs over the shorter of the period of contractual recoverability or the corresponding period of economic benefit. Amounts not yet paid are accrued systematically based on the Company’s estimate of user engagement.

Other Cost of Revenue. Other cost of revenue includes costs related to the management of data centers, hosting fees, data connectivity costs, research and insight costs, and depreciation and amortization. Cost of revenue also includes the amortization of capitalized software that is developed or obtained for internal use associated with the Company’s revenue-generating technologies. Additionally, other cost of revenue includes amortization of intangible assets related to developed technology acquired by the Company and used in its revenue-generating efforts.

Certain Risks and Concentrations

Financial instruments that potentially subject the Company to concentrations of credit risk consist of cash and cash equivalents, restricted cash, and accounts receivable. The Company’s cash and cash equivalents and restricted cash are generally invested in high-credit quality financial instruments with both banks and financial institutions to reduce the amount of exposure to any single financial institution.

The Company generally does not require collateral to secure accounts receivable, with the exception of certain customers with higher potential credit risk who are required to prepay for their campaigns.

Segment Information

The Company has one operating and reporting segment. The Company’s chief operating decision maker is its Chief Executive Officer who makes resource allocation decisions and assesses performance based on financial information presented on a consolidated basis.

New Accounting Pronouncements And Recently Issued Accounting Pronouncements

New Accounting Pronouncements

Under the JOBS Act, the Company meets the definition of an emerging growth company (“EGC”) and can delay adopting new or revised accounting standards issued subsequent to the enactment of the JOBS Act until such time as those standards would otherwise apply to private companies. The Company has elected to use this extended transition period for complying with new or revised accounting standards that have different effective dates for public and private companies until the Company is no longer an EGC or until the Company affirmatively and irrevocably opts out of the extended transition period. Based on the anticipated total gross revenue of the Company, the Company expects that it will cease to be an emerging growth company as of December 31, 2025.

Recently Issued Accounting Pronouncements

In December 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures” (“ASU 2023-09”). ASU 2023-09 is focused on increased visibility into specific income tax components, requiring disclosures of specific categories and a greater disaggregation of information by jurisdiction within the effective tax rate reconciliation and income taxes paid disclosures. ASU 2023-09 is effective for our annual periods beginning January 1, 2025, or our Annual Report on Form 10-K for the year ended December 31, 2025, with early adoption permitted. The Company is in the process of evaluating the impact of ASU 2023-09 on its tax-related disclosures.

In November 2024, the FASB issued ASU 2024-03, “Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures” (“ASU 2024-03”). ASU 2024-03 requires disclosures about certain costs and expenses, including but not limited to, purchases of inventory; employee compensation; depreciation; intangible asset amortization; and selling expenses. The ASU is required to be applied prospectively and is effective for annual reporting periods beginning after December 15, 2026, and interim periods beginning after December 15, 2027. The Company is in the process of evaluating the impact of ASU 2024-03 on its audited consolidated financial statements.

Fair Value Measurement

The Company utilizes valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs to the extent possible. The Company’s financial instruments include restricted time deposits, severance pay fund deposits and foreign currency forward contracts. The Company determines the fair value of its financial instruments based on assumptions that market participants would use in pricing an asset or liability in the principal or most advantageous market. When considering market participant assumptions in fair value measurements, the Company uses the fair value hierarchy described below to distinguish between observable and unobservable inputs:

Level I — Valuations based on quoted prices in active markets for identical assets and liabilities at the measurement date;

Level II — Valuations based on quoted prices in active markets for similar assets or liabilities, quoted prices for identical or similar assets or liabilities in inactive markets, or other inputs that are observable or can be principally corroborated by observable market data for substantially the full term of the related assets or liabilities; and

Level III — Valuations based on unobservable inputs that are significant to the measurement of the fair value of the assets or liabilities that are supported by little or no market data.

Derivative Financial Instruments

Pursuant to the new master netting agreement entered into in February 2025, the Company may set off the amounts payable in the same currency. However, the Company records the fair values of the assets and liabilities relating to its undesignated foreign currency forward contracts on a gross basis in its condensed consolidated balance sheets and no amounts have been offset. The Company was required to post $1.5 million of cash collateral as of March 31, 2025. By entering into foreign currency forward contracts, the Company is exposed to a potential credit risk that the counterparty to its contracts will fail to meet its contractual obligations. If a counterparty fails to perform, the Company’s maximum credit risk exposure would be the positive fair value of the foreign currency forward contracts, or any asset balance, which represents the amount the counterparty owes to the Company. In order to mitigate the counterparty risk, the Company performs an evaluation of its counterparty credit worthiness, and its forward contracts have a term of no more than 18 months.

Share-Based Payment Arrangement

During the three months ended March 31, 2025, the Company granted 87,400 service-based RSUs with a weighted average grant date fair value of $4.09 per share.