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1. A precision-guided Amgen for T-cell engaging cancer therapies.

2. A Regeneron focused on developing 'smart' immunotherapies that only activate inside tumors.

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• PSMA-TRACTr: A preclinical or discovery stage therapeutic candidate designed to engage T cells against prostate-specific membrane antigen for cancer treatment.
• EGFR-TRACTr: A preclinical or discovery stage therapeutic candidate designed to engage T cells against epidermal growth factor receptor in various cancer types.
• TROP2-TRACTr: A preclinical or discovery stage therapeutic candidate designed to engage T cells against trophoblast cell surface antigen 2 for cancer treatment.
• PD-L1/CD28-TRACIr: A costimulatory bispecific product candidate designed to improve the anti-tumor activity of T cells by targeting programmed death-ligand 1 and CD28.

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Based on the provided company description, Janux Therapeutics (JANX) is a biopharmaceutical company in the preclinical and discovery stages of developing therapeutic candidates. At this early stage of research and development, the company does not have major customers selling approved products to other companies or directly to individuals.

Their primary activities involve drug discovery and preclinical development of their proprietary TRACTr and TRACIr platform technologies. Revenue generation at this stage typically comes from investor funding, grants, or potential future partnerships/licensing agreements with larger pharmaceutical companies, rather than from product sales to end-users or healthcare providers.

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David Campbell, Ph.D., Founder, President & Chief Executive Officer

David Campbell founded Janux Therapeutics in 2017, bringing over 25 years of executive management, company creation, and successful partnering experience in drug discovery and development. He previously served as CSO or CEO for multiple drug discovery and development companies, leading to numerous clinical programs and partnerships with large pharmaceutical companies, including Sitari (partnered with GSK), Afraxis (partnered with Genentech), and RQx (partnered with Genentech). Dr. Campbell was also Senior Vice President of Drug Discovery and Development at Phenomix, where he oversaw the discovery and development of clinical programs for diabetes and hepatitis C. Earlier in his career, he held positions at Affymax and Bayer Pharmaceuticals, contributing to multiple clinical programs in oncology, obesity, and diabetes. He earned a Ph.D. in organic chemistry from Cornell University.

Tighe M. Reardon, Acting Chief Financial Officer

Tighe M. Reardon serves as the Acting Chief Financial Officer at Janux Therapeutics, Inc., a role he has held as Director of Finance/CFO since January 2017. He possesses a strong financial background, holding both Chartered Financial Analyst (CFA) and Certified Public Accountant (CPA) designations. Mr. Reardon is responsible for overseeing the company's financial operations, strategic planning, and investor relations. His background includes various senior financial roles within the biotechnology and pharmaceutical sectors, demonstrating consistent leadership in financial stewardship. On June 3, 2024, Mr. Reardon executed sales of company stock totaling approximately $45.04 million through entities for which he holds a managing position, indicating prior involvement with private equity firms.

Tommy DiRaimondo, Ph.D., Chief Scientific Officer

Dr. Tommy DiRaimondo is the Chief Scientific Officer at Janux Therapeutics, Inc., where he is a key leader in shaping the company's scientific vision and research strategy. He is responsible for overseeing the discovery and development of novel therapeutics and driving innovation in the company's drug development programs. Dr. DiRaimondo's extensive scientific expertise is crucial in translating groundbreaking research into viable clinical candidates. He holds a Ph.D.

Janeen Doyle, Chief Corporate and Business Development Officer

Janeen Doyle serves as the Chief Corporate and Business Development Officer for Janux Therapeutics.

William Go, M.D., Ph.D., Chief Medical Officer

William Go, M.D., Ph.D., was appointed Chief Medical Officer of Janux Therapeutics, Inc., effective January 26, 2026. He brings over 20 years of hematology and oncology experience, having led programs from early clinical development through pivotal trials, global regulatory approvals, and first-in-class launches. Prior to joining Janux, Dr. Go served as Chief Medical Officer at A2 Biotherapeutics, where he led the development of logic-gated CAR T-cell therapies for solid tumors and initiated three Phase 1 clinical trials. He also held leadership positions at Kite Pharma, where he led the pivotal ZUMA-1 trial that supported the regulatory approvals of YESCARTA, the first CAR T-cell therapy approved for large B-cell lymphoma. Additionally, Dr. Go contributed to the global label expansion of Vectibix at Amgen. He completed his M.D. and Ph.D. through the UC San Diego Medical Scientist Training Program.

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The key risks to Janux Therapeutics (JANX) primarily stem from the inherent challenges of biopharmaceutical development, particularly given the early stage of its product pipeline.

1. Clinical Trial Failure and Early Development Stage

   The most significant risk for Janux Therapeutics is the high probability of failure associated with its product candidates in early development stages. All of Janux's assets are in early clinical or preclinical development, meaning their future success is entirely dependent on positive clinical trial results. The majority of product candidates in these early stages are likely to fail prior to reaching commercial status, making Janux a high-risk investment.

2. Product-Specific and Platform Execution Risk

   Janux Therapeutics faces notable execution risk, particularly concerning its lead candidate, JANX007. Recent updates on JANX007's Phase 1 data raised investor concerns due to limited incremental patient data, questions about the go-forward dosing strategy, and an undefined path for Phase 3 trials. This has led to analyst price target cuts, reflecting increased execution risk and concerns over the overall efficacy profile, with some describing the update as "mixed." The lack of clear durability signals for JANX007 and absence of new data for JANX008 also introduce material platform risk.

3. Intense Competition

   Janux Therapeutics operates in a highly competitive and rapidly changing environment. The company faces intense competition from larger, better-funded pharmaceutical companies developing similar treatments, especially given its focus on well-validated cancer targets like EGFR. This competitive landscape could impact the potential market share and commercial success of Janux's product candidates, even if they achieve regulatory approval.

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Expected Drivers of Future Revenue Growth for Janux Therapeutics (JANX) Over the Next 2-3 Years

• Milestone Payments from Strategic Collaborations: Janux Therapeutics stands to generate significant revenue through upfront and milestone payments from its collaborations. A notable example is the agreement with Bristol Myers Squibb (BMS) for a novel tumor-activated therapeutic, which includes up to $50 million in upfront and near-term milestone payments, with the potential for approximately $800 million in additional development, regulatory, and commercial milestones, along with tiered royalties on global product sales if successful. Furthermore, an existing TRACTr collaboration with Merck has already triggered a $10 million milestone payment and holds the potential for up to $500.5 million per target in additional upfront and milestone payments, plus royalties. These payments represent crucial non-dilutive capital and immediate revenue streams for a clinical-stage biopharmaceutical company.
• Advancement and Potential Commercialization of Lead TRACTr Programs (JANX007 and JANX008): The continued progression of Janux's lead TRACTr product candidates, JANX007 and JANX008, through clinical development is a key revenue driver. JANX007 is currently in Phase 1 clinical trials for metastatic castration-resistant prostate cancer (mCRPC), with promising interim data showing durable clinical activity and a manageable safety profile. The global mCRPC market is substantial, projected to exceed $15 billion, indicating significant revenue potential if JANX007 achieves successful trial outcomes and regulatory approval. Similarly, JANX008, targeting epidermal growth factor receptor (EGFR) in various solid tumors, is also in Phase 1 clinical trials and advancing through expansion cohorts. Positive clinical data from these programs could lead to further licensing deals, accelerated development, and eventually, direct product sales or royalties upon commercialization.
• Progression of the TRACIr and ARM Platforms, Including New Clinical Candidates: Beyond its lead TRACTr programs, Janux is advancing its Tumor Activated Immunomodulator (TRACIr) and Adaptive Immune Response Modulator (ARM) platforms. This includes the PSMA-TRACIr, which is being developed for combination with JANX007 and is anticipated to begin clinical trials in the second half of 2026. Additionally, the TROP2-TRACTr program, targeting TROP2-expressing solid tumors, is showing preclinical promise with plans for IND-enabling activities. The CD19-ARM program for autoimmune diseases is also expected to enter first-in-human trials in the first half of 2026. The successful initiation and progress of these additional clinical programs would broaden Janux's pipeline and create diverse future revenue streams through new product launches and expanded market opportunities in both oncology and autoimmune diseases.

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Share Issuance

• Janux Therapeutics' shares outstanding increased dramatically from 1.26 million at the end of fiscal year 2020 to 24 million in fiscal year 2021 following its IPO, and further to 59.06 million by the close of fiscal year 2024 through subsequent offerings.
• A significant capital raise in fiscal year 2024 brought in approximately $713 million through stock issuance.
• The number of shares outstanding continued to increase from 54 million at the end of 2024 to over 60 million by the third quarter of 2025, primarily due to issuing stock to raise cash and for employee compensation.

Inbound Investments

• Janux Therapeutics has a strategic research collaboration agreement with Merck Sharp & Dohme Corp. for the development of TRACTr product candidates.
• The company also holds an agreement with Bristol Myers Squibb to develop and commercialize a novel tumor-activated therapeutic targeting a validated solid tumor antigen.

Capital Expenditures

• Capital expenditures are minimal for Janux Therapeutics, as is typical for biotechs that do not operate their own manufacturing facilities.
• In the fourth quarter of 2025, Janux Therapeutics invested $106K in capital expenditures, which represented a 14.0% increase from the prior quarter.
• Annual capital expenditures were reported as $1.0 million in 2025.