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Summary of Significant Accounting Policies (Policies)
6 Months Ended
Jun. 30, 2025
Accounting Policies [Abstract]  
Basis of Presentation
Basis of Presentation

The Company’s accompanying condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (“U.S. GAAP”). Any reference in these notes to applicable guidance is meant to refer to the authoritative U.S. GAAP as included in the Accounting Standards Codification (“ASC”) and Accounting Standards Updates (“ASU”) of the Financial Accounting Standards Board (“FASB”). The financial information for the three and six months ended June 30, 2025 and 2024, is unaudited but includes all normal and recurring adjustments unless indicated otherwise, which the Company considered necessary for fair presentation of its condensed consolidated statements of operations and comprehensive loss. Certain prior period amounts in the condensed consolidated financial statements have been reclassified to conform to the current period presentation.
Liquidity and Capital Resources
Liquidity and Capital Resources

The Company expects to continue to incur losses as it invests in research and development activities to improve its technology platform, market and sell its technologies to existing and new partners, add operational, financial and management information systems and personnel to support its operations and incur ongoing costs associated with operating as a public company. The Company’s ability to continue its operations is dependent upon its ability to generate cash flows from operations and potentially obtain additional capital in the future. The Company believes its existing cash, cash equivalents and short-term investments are sufficient to support operations through at least the next 12 months from the date of issuance of these financial statements.

The accompanying condensed consolidated financial statements have been prepared assuming the Company will continue as a going concern, which contemplates the realization of assets and the satisfaction of liabilities in the normal course of business.
Emerging Growth Company
Emerging Growth Company

OmniAb qualifies as an emerging growth company as defined in Section 2(a) of the Securities Act of 1933, as amended, (“Securities Act”), as modified by the Jumpstart Our Business Startups Act of 2012 (“JOBS Act”).
Section 102(b)(1) of the JOBS Act exempts emerging growth companies from being required to comply with new or revised financial accounting standards until private companies (that is, those that have not had a Securities Act registration statement declared effective or do not have a class of securities registered under the Exchange Act) are required to comply with the new or revised financial accounting standards. The JOBS Act provides that a company can elect to opt out of the extended transition period and comply with the requirements that apply to non-emerging growth companies but any such election to opt out is irrevocable. OmniAb has elected not to opt out of such extended transition period, which means that when a standard is issued or revised and it has different application dates for public or private companies, OmniAb, as an emerging growth company, can adopt the new or revised standard at the time private companies adopt the new or revised standard. This may make comparison of OmniAb’s financial statements with another public company, which is neither an emerging growth company nor an emerging growth company which has opted out of using the extended transition period, difficult because of the potential differences in accounting standards used.
Use of Estimates
Use of Estimates

The preparation of these condensed consolidated financial statements in conformity with U.S. GAAP requires the use of estimates and assumptions that affect the amounts reported in the condensed consolidated financial statements and the accompanying notes. Actual results may differ from those estimates.
Cash, Cash Equivalents, and Restricted Cash
Cash, Cash Equivalents, and Restricted Cash

Cash and cash equivalents consist of cash and highly liquid investments with maturities of three months or less when purchased. Cash and cash equivalents generally consist of bank deposits, money market funds as well as U.S. government and agency securities.

The following table provides a reconciliation of the components of cash, cash equivalents and restricted cash reported in the condensed consolidated balance sheets to the total of the amount presented in the condensed consolidated statements of cash flows:

(in thousands)June 30, 2025December 31, 2024
Cash and cash equivalents$18,281 $27,598 
Restricted cash
560 560 
Total cash, cash equivalents and restricted cash presented in the condensed consolidated statements of cash flows
$18,841 $28,158 

Restricted cash relates to deposits for the Company’s property leases. The restriction will lapse when the related leases expire.
Recent Accounting Pronouncements
Recent Accounting Pronouncements

From time to time, new accounting pronouncements are issued by the FASB or other standard setting bodies and adopted by the Company as of the specified effective date. Unless otherwise discussed below, the Company believes that the impact of recently issued standards are either not applicable to the Company or will not have a material impact on its consolidated financial statements upon adoption.
The following table provides a brief description of recently issued accounting standards:

Standard
Description
Effective Date
Effect on the Financial Statements or Other Significant Matters
ASU 2023-09, Income Taxes (Topic 740) - Improvements to Income Tax DisclosuresThe amendments in this ASU address investor requests for more transparency about income tax information through improvements to tax disclosures primarily related to the rate reconciliation and income taxes paid information. The ASU also includes certain other amendments to improve the effectiveness of income tax disclosures.Effective for the Company for annual periods beginning after December 15, 2024, with early adoption permitted.
The ASU will be effective for the Company in the income tax disclosure included in its 2025 Annual Report on Form 10-K and will be applied on a prospective basis. The Company does not expect the adoption of ASU 2023-09 to have a material impact on its consolidated financial statements.
ASU 2024-03, Income Statement (Topic 220) - Expense Disaggregation Disclosures
The amendments in this ASU require a public business entity to provide disaggregated disclosures, in the notes to the financial statements, of certain categories of expenses that are included in expense line items on the face of the income statement.
Effective for the Company for annual reporting periods beginning after December 15, 2026, and interim reporting periods beginning after December 15, 2027.
The Company is currently evaluating the impact of adopting this standard on its consolidated financial statements and disclosures.
Fair Value Measurement
The Company measures its financial assets and liabilities at fair value, which is defined as the exit price, or the amount that would be received from selling an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date.

The Company uses the following three-level valuation hierarchy that maximizes the use of observable inputs and minimizes the use of unobservable inputs to value its financial assets and liabilities:

Level 1 — Observable inputs such as unadjusted quoted prices in active markets for identical instruments.
Level 2 — Quoted prices for similar instruments in active markets or inputs that are observable for the asset or liability, either directly or indirectly.
Level 3 — Significant unobservable inputs based on the Company’s assumptions.