
Part I Financial Information Condensed Consolidated Financial Statements (unaudited) This section presents the unaudited condensed consolidated financial statements, including balance sheets, statements of operations, and cash flows, reflecting a net loss of $14.2 million and a strategic shift to EO-1022 Condensed Consolidated Balance Sheets Total assets decreased to $82.2 million as of March 31, 2025, primarily due to reduced marketable securities, while total stockholders' equity declined to $46.7 million Condensed Consolidated Balance Sheet Highlights (in thousands) | Account | March 31, 2025 (unaudited) | December 31, 2024 | | :--- | :--- | :--- | | Assets | | | | Cash and cash equivalents | $60,494 | $49,464 | | Marketable securities, available for sale | $20,165 | $43,720 | | Total current assets | $82,194 | $94,726 | | Total assets | $82,223 | $95,626 | | Liabilities & Stockholders' Equity | | | | Total current liabilities | $4,236 | $4,467 | | Long-term debt, net of discount | $31,253 | $31,134 | | Total liabilities | $35,489 | $35,601 | | Total stockholders' equity | $46,734 | $60,025 | Condensed Consolidated Statements of Operations and Comprehensive Loss Net loss increased to $14.2 million for the three months ended March 31, 2025, primarily due to $3.4 million in restructuring charges Statement of Operations Summary (in thousands, except per share data) | Metric | Three months ended March 31, 2025 | Three months ended March 31, 2024 | | :--- | :--- | :--- | | Research and development | $6,876 | $6,011 | | General and administrative | $3,965 | $3,858 | | Restructuring charges | $3,375 | $0 | | Total operating expenses | $14,216 | $9,869 | | Loss from operations | ($14,216) | ($9,869) | | Net loss | ($14,211) | ($10,707) | | Net loss per share, basic and diluted | ($0.24) | ($0.21) | Condensed Consolidated Statements of Cash Flows Net cash used in operating activities was $12.7 million, while investing activities provided $23.8 million, leading to an $11.0 million increase in cash and equivalents Cash Flow Summary (in thousands) | Activity | Three months ended March 31, 2025 | Three months ended March 31, 2024 | | :--- | :--- | :--- | | Net cash used in operating activities | ($12,711) | ($9,575) | | Net cash provided by investing activities | $23,758 | $20,700 | | Net cash (used in) provided by financing activities | ($17) | $30,250 | | Increase in cash and cash equivalents | $11,030 | $41,375 | | Cash and cash equivalents, end of period | $60,494 | $90,630 | Notes to Condensed Consolidated Financial Statements (unaudited) Notes detail the strategic shift to EO-1022, discontinuation of EO-3021, a 70% workforce reduction, $3.4 million in restructuring charges, and debt prepayment - In March 2025, the company discontinued development of EO-3021 (a Claudin 18.2 ADC) and initiated a process to evaluate strategic options. The company is now focusing on advancing EO-1022, a HER3-targeting ADC20 - The company believes its cash, cash equivalents, and marketable securities of $80.7 million as of March 31, 2025, are sufficient to fund operations through at least 12 months from the financial statement issuance date23 - In connection with discontinuing EO-3021, the company implemented a 70% workforce reduction and incurred $3.4 million in restructuring charges, including $2.2 million for severance and benefits and $1.2 million in asset write-offs5556 - In May 2025, the company voluntarily prepaid its $32.3 million Term Loan with K2HV in full, satisfying all obligations under the Loan Agreement117 Management's Discussion and Analysis of Financial Condition and Results of Operations Management discusses the strategic shift to focus on EO-1022, the discontinuation of EO-3021, a 70% workforce reduction, and the $14.2 million net loss for Q1 2025 - The company is leveraging its ADC expertise to advance EO-1022, a potentially differentiated HER3 ADC, and expects to file an IND application in 2026120121 - In March 2025, the company discontinued development of the Claudin 18.2 ADC, EO-3021, based on data from its Phase 1 trial, which showed an objective response rate of 22.2%123125 - The company implemented a workforce reduction of approximately 70% in March 2025, resulting in restructuring charges of $3.4 million in the first quarter129148 Results of Operations Comparison (in thousands) | | Three months ended March 31, | | | :--- | :--- | :--- | | | 2025 | 2024 | | Research and development | $6,876 | $6,011 | | General and administrative | $3,965 | $3,858 | | Restructuring charges | $3,375 | $0 | | Net loss | $(14,211) | $(10,707) | - As of March 31, 2025, the company had $80.7 million in cash, cash equivalents, and marketable securities, which is expected to fund operations into the second half of 2026159168 Quantitative and Qualitative Disclosures about Market Risk The company's primary market risk is interest rate sensitivity on its $80.7 million in cash, cash equivalents, and marketable securities, with no significant foreign currency risk - The company's primary market risk is interest rate sensitivity on its $80.7 million in cash, cash equivalents, and marketable securities184 - The company is not currently exposed to significant risk from foreign currency exchange rates185 Controls and Procedures Management concluded that disclosure controls and procedures were effective as of March 31, 2025, with no material changes in internal control over financial reporting - Based on an evaluation as of March 31, 2025, the Chief Executive Officer and Chief Financial Officer concluded that the company's disclosure controls and procedures were effective186 - No changes in internal control over financial reporting occurred during the three months ended March 31, 2025, that have materially affected, or are reasonably likely to materially affect, internal controls188 Part II Other Information Legal Proceedings The company reports no involvement in any legal proceedings - The company reports no legal proceedings191 Risk Factors Key risks include strategic review uncertainty, limited operating history with significant losses, high dependency on EO-1022, need for additional funding, and potential Nasdaq delisting - The company has initiated a process to evaluate strategic options, but there is no assurance that this will result in a suitable transaction or that it will be completed on attractive terms194195 - The company has a limited operating history, has incurred significant losses since inception (accumulated deficit of $254.7 million as of March 31, 2025), and expects to incur continued losses197 - Future success is highly dependent on a single product candidate, EO-1022, which has not completed clinical development or obtained regulatory approval215 - The company relies on third parties, some based in China, to manufacture clinical supplies, which increases risks related to supply chain, cost, quality, and geopolitical tensions332333334 - The company's common stock does not meet the Nasdaq minimum bid price requirement. It has until September 15, 2025, to regain compliance or face delisting488489 Unregistered Sales of Equity Securities and Use of Proceeds The company reported no unregistered sales of equity securities or use of proceeds from public offerings during the period - There were no unregistered sales of equity securities in the period499 Defaults Upon Senior Securities The company reported no defaults upon its senior securities - There were no defaults upon senior securities501 Mine Safety Disclosures This item is not applicable to the company - Not applicable502 Other Information The company did not report any other information under this item - None503 Exhibits This section lists exhibits filed with the Form 10-Q, including a separation agreement and SOX certifications by the Principal Executive and Financial Officers - The report includes as exhibits the CEO and CFO certifications required under Sections 302 and 906 of the Sarbanes-Oxley Act506 - A separation agreement dated March 31, 2025, with Valerie Malyvanh Jansen was filed as Exhibit 10.1506