Welcome to our dedicated page for Y-Mabs Therapeutics news (Ticker: YMAB), a resource for investors and traders seeking the latest updates and insights on Y-Mabs Therapeutics stock.
Y-mAbs Therapeutics, Inc. (YMAB) generates news that spans commercial oncology performance, clinical development milestones in radioimmunotherapy, and significant corporate transactions. Company announcements consistently describe Y-mAbs as a commercial-stage biopharmaceutical company focused on novel radioimmunotherapy and antibody-based therapeutic products for the treatment of cancer, with its lead commercial asset DANYELZA® (naxitamab-gqgk) for relapsed or refractory high-risk neuroblastoma.
News coverage for Y-mAbs frequently highlights financial results and segment updates, including quarterly revenue from DANYELZA, ex-U.S. distribution trends, and the allocation of resources between the DANYELZA and Radiopharmaceuticals business units. Earnings releases often discuss cost of goods sold, research and development spending, selling, general, and administrative expenses, and net loss, along with management commentary on operating strategy and capital efficiency.
Another major category of YMAB news involves clinical and R&D developments in the company’s SADA Pretargeted Radioimmunotherapy (PRIT) platform. Press releases describe progress in the GD2-SADA Phase 1 Trial 1001 in GD2-expressing solid tumors, including pharmacokinetic and dosimetry data, and the initiation of the CD38-SADA Phase 1 Trial 1201 in relapsed or refractory non-Hodgkin lymphoma. Y-mAbs also reports on preclinical pharmacokinetic modeling, optimization of radiohaptens such as “Proteus,” and expansion of its radiopharmaceutical pipeline into additional oncology franchises.
Y-mAbs news also covers regulatory and guideline recognition, such as the inclusion of naxitamab-gqgk (DANYELZA) as a Category 2A treatment option in the National Comprehensive Cancer Network® (NCCN®) Clinical Practice Guidelines in Oncology for Neuroblastoma. These updates provide context on how DANYELZA is positioned within clinical practice for high-risk neuroblastoma.
A key theme in recent YMAB headlines is corporate transformation and acquisition activity. In August 2025, Y-mAbs announced that SERB Pharmaceuticals, through an affiliate, agreed to acquire the company in an all-cash transaction at $8.60 per share, with an equity value of approximately $412 million, as described in joint press releases and Form 8-K filings. Subsequent news and SEC filings report the commencement and completion of the tender offer, the closing of the merger, and the resulting delisting of Y-mAbs common stock from the Nasdaq Global Select Market.
Investors and observers following YMAB-related news can expect updates on quarterly financial performance, DANYELZA commercial metrics, clinical trial progress for SADA-based programs, radiopharmaceutical R&D strategy, and the implications of the company’s acquisition by an affiliate of SERB Pharmaceuticals. This news flow provides insight into both the historical public-company phase of Y-mAbs and its transition into a privately held subsidiary within a larger specialty pharmaceutical group.
Y-mAbs Therapeutics (Nasdaq: YMAB) announced interim results from a phase 1 dose-escalation study for omburtamab targeting diffuse intrinsic pontine glioma (DIPG) at the ASCO Virtual Annual Meeting on June 4, 2021. The study demonstrated good tolerability with a median overall survival improvement of 3-4 months over historical controls. The company plans to advance this promising candidate into a phase 2 study later this year, further expanding the omburtamab franchise to include other CNS tumors. The study's positive data marks a significant step in addressing an unmet medical need in cancer treatment.
Y-mAbs Therapeutics announced an exclusive distribution agreement with Adium Pharma for Latin America, covering DANYELZA® and the investigational drug omburtamab. DANYELZA, approved by the FDA in 2020, targets high-risk neuroblastoma in pediatric patients. Omburtamab is pending approval for CNS metastasis treatment. The agreement grants Adium distribution rights in 18 countries, enhancing market access. Y-mAbs aims to submit further applications for omburtamab by late Q2 or early Q3 2021. Financial terms were not disclosed.
Y-mAbs Therapeutics announced a presentation by Dr. Nai-Kong V. Cheung at the PEGS Boston Virtual Conference on May 13, 2021, focusing on their SADA technology platform for cancer treatment. The SADA technology aims to enhance the therapeutic index in radioimmunotherapy, potentially improving treatment outcomes while minimizing toxicity. Y-mAbs is a biopharmaceutical company with a strong pipeline, including the FDA-approved DANYELZA® and the pivotal-stage candidate omburtamab. The technology is exclusively licensed from Memorial Sloan Kettering Cancer Center and MIT.
Y-mAbs Therapeutics, Inc. (Nasdaq: YMAB) reported strong financial results for Q1 2021, with net income of $33.4 million, or $0.80 per basic share, driven by DANYELZA® sales and Priority Review Voucher monetization. Revenue reached $5.4 million from DANYELZA, marking significant growth from zero in Q1 2020. Operating expenses increased, with R&D expenses at $21.6 million and SG&A expenses at $12.0 million. Cash and equivalents totaled $252 million, providing a solid position for advancing their pipeline, including the application for omburtamab in Europe.
Y-mAbs Therapeutics (Nasdaq: YMAB) will release its Q1 2021 financial results on May 6, 2021, followed by a conference call on May 7, 2021, at 9 a.m. ET. The call will include updates from key executives: Chairman Thomas Gad, CEO Dr. Claus Moller, and CFO Bo Kruse. Y-mAbs focuses on developing antibody-based cancer therapies, with one FDA approved product, DANYELZA®, and another candidate, omburtamab, in pivotal stages. Forward-looking statements are included, highlighting potential risks in clinical trials and market acceptance.
Y-mAbs Therapeutics, Inc. (Nasdaq: YMAB) has announced the acceptance of two poster presentations for DANYELZA and an oral presentation for omburtamab at the American Society of Clinical Oncology Virtual Annual Meeting from June 4-8, 2021. Key topics include the efficacy of naxitamab in high-risk neuroblastoma and a Phase 1 trial of omburtamab for diffuse intrinsic pontine glioma. The collaborations involve researchers from Memorial Sloan Kettering Cancer Center and SJD Barcelona Children's Hospital. Y-mAbs focuses on antibody-based cancer therapeutics, with a pipeline including DANYELZA, which is FDA-approved.
Y-mAbs Therapeutics has submitted a Marketing Authorization Application (MAA) to the European Medicines Agency for omburtamab, a monoclonal antibody targeting B7-H3, aimed at treating pediatric patients with CNS/leptomeningeal metastasis from neuroblastoma. This submission could position omburtamab as the first EMA-approved targeted therapy for this condition. Additionally, Y-mAbs plans to resubmit its Biologics License Application (BLA) to the FDA in late Q2 or early Q3 2021, highlighting its commitment to addressing a significant unmet medical need in pediatric oncology.
Y-mAbs Therapeutics, Inc. (Nasdaq: YMAB) announced a regulatory update for its investigational monoclonal antibody omburtamab, which targets B7-H3 for treating pediatric CNS metastasis from neuroblastoma. Following a Type B meeting with the FDA, additional data requests were made regarding historical control groups. Y-mAbs aims to resubmit its Biologics License Application (BLA) by mid-2021, with further discussions scheduled for June 1. The company is also targeting a Marketing Authorization Application submission to the European Medicines Agency by April 30, 2021.
Y-mAbs Therapeutics, a biopharmaceutical company, recently presented its SADA technology platform at the AACR Annual Meeting on April 10, 2021. This platform aims to improve radioimmunotherapy for colorectal peritoneal carcinomatosis. The GPA33-SADA construct demonstrated a favorable tumor-to-blood radioactivity ratio of 122. Y-mAbs plans to submit its first IND for this construct in 2022, having licensed the technology from MSK and MIT. The company is focused on developing antibody-based cancer treatments, including the FDA-approved DANYELZA.
Y-mAbs Therapeutics reported a net loss of $119.3 million for 2020, a significant increase from $81.0 million in 2019. The company earned $20.8 million from licensing agreements, a considerable rise from no revenues reported in the previous year. R&D expenses soared to $93.7 million, up from $63.5 million, due to increased personnel and milestone costs. General administrative expenses also rose to $44.8 million. Notably, Y-mAbs sold a Priority Review Voucher for $105 million and completed a follow-on offering generating $115 million. The company is progressing with its clinical programs and collaborations.