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$0.25
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2026-09-03 14:05:18 EDT-$0.03
Healthcare
Biotechnology
NASDAQ
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GT Biopharma, Inc. is a biopharmaceutical company in the clinical development phase, dedicated to discovering and bringing to market novel immuno-oncology treatments. ...

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GT Biopharma, Inc. (NASDAQ: GTBP) is a biotechnology company focused on discovering and developing immuno-oncology treatments for cancer. The company operates in the clinical development phase, emphasizing therapeutic approaches that harness the patient’s immune system to recognize and attack tumor cells. Its core differentiation is a proprietary TriKE (Tri-specific Killer ...GT Biopharma, Inc. (NASDAQ: GTBP) is a biotechnology company focused on discovering and developing immuno-oncology treatments for cancer. The company operates in the clinical development phase, emphasizing therapeutic approaches that harness the patient’s immune system to recognize and attack tumor cells. Its core differentiation is a proprietary TriKE (Tri-specific Killer Engager) fusion-protein technology platform. TriKE molecules are engineered to bind tumor-associated targets and engage immune effector cells, aiming to promote targeted cytotoxic activity while improving specificity relative to less targeted immunotherapies. At the center of the company’s pipeline is GTB-3550, a single-chain, tri-specific recombinant fusion protein conjugate currently in Phase I/II clinical trials. Based on the company’s description, GTB-3550 is being evaluated in myeloid and other CD33-expressing malignancies, including myelodysplastic syndromes and acute myeloid leukemia that is relapsed or refractory to prior treatments, as well as advanced systemic mastocytosis and other CD33-expressing cancers. The clinical-stage nature of the program indicates that the company’s near-term execution focuses on safety, dose finding, and early efficacy signals to support further development. GT Biopharma also advances additional platform-derived assets. For example, GTB-3650 is described as a preclinical candidate targeting CD33 on myeloid leukemias, reflecting the company’s strategy to expand within its key target biology. In parallel, the company has disclosed a preclinical asset, GTB-5550, aimed at solid tumors that are positive for B7-H3. This highlights a broader intention to apply TriKE engineering across multiple tumor antigen classes. From a business and cost perspective, GT Biopharma fits the typical profile of an R&D-intensive, early-stage biopharmaceutical company. Revenue generation is generally limited prior to commercialization, while expenses are driven by discovery work, preclinical studies, clinical trial operations, manufacturing development, regulatory activities (e.g., IND-related work), and supporting functions. Public market metrics for the company show negative profitability and negative free cash flow trends consistent with ongoing investment in clinical and preclinical activities. Strategically, the company has cited collaborations and licensing arrangements that can support development timelines and broaden indications. These include a co-development agreement with Altor BioScience Corporation for clinical advancement of a TriKE fusion protein and a license agreement with the Regents of the University of Minnesota to develop and commercialize cancer therapies using TriKE technology. Historically, GT Biopharma was founded in 1965 and previously operated under the name OXIS International, Inc. before rebranding to GT Biopharma, Inc. in July 2017. Leadership includes Michael Martin Breen as CEO (Executive Chairman/CEO role noted in management references), reflecting ongoing efforts to steer the organization through pipeline maturation, clinical milestones, and platform development. With a very small employee base reported publicly (within 0–100, and possibly around 1 in the provided snapshot), the company likely relies on lean internal operations and external partners to advance its programs.
Founded
1965
Employees
1
CEO
Michael Martin Breen
Full Name
GT Biopharma, Inc.
Sector
Healthcare
Industry
Biotechnology
ROE
-443.08%
Market Cap
$0.01B
Current Ratio
2.61
WACC
8.78%
ROIC
-569.49%

Contact Information

415 919 4040
315 Montgomery Street, San Francisco, CA 94104

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