Cellectar Biosciences
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Cellectar Biosciences (CLRB) investor relations material

Cellectar Biosciences Q4 2025 earnings summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
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Q4 2025 earnings summary4 Mar, 2026

Executive summary

  • Achieved significant regulatory and clinical progress in 2025, advancing iopofosine I 131 for Waldenstrom's macroglobulinemia toward EU Conditional Marketing Authorization submission and 2027 commercialization, while expanding the radiotherapeutic pipeline.

  • Initiated Phase 1b study for CLR 125 in triple-negative breast cancer, with early data expected by mid-2026.

  • Strengthened supply chain and expanded global intellectual property estate, securing new patents and commercial-scale isotope supply agreements.

  • Completed IND-enabling work for CLR 225, with phase 1 trial ready pending funding.

  • Raised $15.2 million, extending cash runway into Q3 2026 to support ongoing pipeline advancement.

Financial highlights

  • Ended 2025 with $13.2 million in cash and equivalents, down from $23.3 million at end of 2024.

  • Research and development expenses for 2025 were $11.5 million, down from $26.6 million in 2024, mainly due to reduced clinical activity and manufacturing costs.

  • General and administrative expenses fell to $11.5 million from $25.6 million year-over-year, reflecting reduced pre-commercialization efforts.

  • Net loss for 2025 was $21.8 million ($8.35 per share), improved from $44.6 million ($36.52 per share) in 2024.

  • Other income, net, was $1.2 million in 2025, compared to $7.3 million in 2024, primarily due to non-cash warrant valuation impacts.

Outlook and guidance

  • On track to submit EU conditional marketing authorization for iopofosine in Q3 2026, with potential approval and commercialization in 2027.

  • US NDA submission planned shortly after initiation of confirmatory Phase III trial, leveraging breakthrough therapy designation and accelerated approval pathway.

  • Early interim data for CLR 125 expected mid-2026; steady cadence of results anticipated throughout the year.

  • Cash runway expected to fund operations into Q3 2026.

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Frequently asked questions

Cellectar Biosciences Inc (CLRB) is a clinical-stage biopharmaceutical company focused on the discovery, development, and commercialization of drugs for the treatment of cancer. Leveraging its proprietary phospholipid drug conjugate (PDC) delivery platform, Cellectar aims to develop targeted therapies designed to enhance treatment outcomes by selectively delivering cancer-killing agents to tumor cells, minimizing the impact on normal tissues. The company is headquartered in Florham Park, New Jersey, and its shares are listed on the Nasdaq.

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