SELLAS Life Sciences Group, Inc. reported its financial results for the third quarter of 2025, revealing a net loss of $6.8 million, a slight improvement from the $7.1 million loss recorded in the same period of 2024. For the nine months ending September 30, 2025, the company reported a net loss of $19.2 million, down from $24.1 million in the prior year. Total operating expenses for the third quarter were $7.1 million, compared to $7.3 million in the previous year, while expenses for the nine-month period decreased to $20.0 million from $24.6 million. The reduction in operating expenses was primarily driven by lower research and development costs, which fell to $4.2 million in Q3 2025 from $4.4 million in Q3 2024.
In terms of liquidity, SELLAS reported cash and cash equivalents of approximately $44.3 million as of September 30, 2025, a significant increase from $13.9 million at the end of 2024. This increase was bolstered by net proceeds of approximately $29.1 million from a warrant inducement agreement executed in October 2025, as well as $22.0 million from a similar agreement in September 2025. The company has indicated that it expects its current cash reserves, along with the recent funding, will be sufficient to support its operations for at least the next twelve months.
Strategically, SELLAS continues to advance its clinical programs, particularly its lead product candidate, galinpepimut-S (GPS), which is currently undergoing a Phase 3 clinical trial for acute myeloid leukemia (AML). The company has completed enrollment for this trial and anticipates reaching the final analysis threshold of 80 events later this year. Additionally, the company is preparing to initiate a new trial for newly diagnosed AML patients, which is expected to begin enrollment in early 2026. The company also holds an exclusive license agreement with GenFleet Therapeutics for its second product candidate, SLS009, a CDK9 inhibitor, which is in Phase 2 clinical trials.
Operationally, SELLAS has seen a notable increase in its stockholder equity, which rose to $45.6 million as of September 30, 2025, compared to $9.5 million at the end of 2024. The company’s employee headcount has also increased, reflecting its ongoing expansion efforts in clinical development and corporate infrastructure. Despite the positive developments, SELLAS acknowledges the inherent risks associated with clinical trials and the need for additional funding to support its long-term growth and operational plans. The company remains focused on achieving regulatory approvals and commercializing its product candidates to transition towards profitability.
About SELLAS Life Sciences Group, Inc.
Sellas Life Sciences Group is a biopharmaceutical company developing novel cancer immunotherapies and targeted treatments. Its core focus includes peptide-based vaccines and small molecule inhibitors targeting cancers such as AML, solid tumors, and lymphomas. The company’s products aim to activate the immune system against tumor-specific antigens, leveraging proprietary technology and strategic licensing to address unmet medical needs in oncology markets worldwide.
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