ProMIS Neurosciences (NasdaqCM:PMN) 2026 Conference February 11, 2026 09:30 AM ET Company ParticipantsNeil Warma - CEO and Member of the Board of DirectorsConference Call ParticipantsEddie Hickman - Biotechnology Equity Research AnalystYatin Suneja - Biotechnology Research AnalystYatin SunejaAll right, good morning everyone. Welcome to Guggenheim's Emerging Outlook, Biotech Summit 2026. My name is Yatin Suneja, one of the biotech analysts here at Guggenheim. I'm joined here with my colleague Eddie Hickman, ...

Summary of ProMIS Neurosciences FY Conference Call Company Overview - ProMIS Neurosciences is a publicly listed company on NASDAQ under the ticker PMN, focused on developing therapies for neurodegenerative diseases, particularly Alzheimer's disease [2][3] - The company is conducting a landmark 100-patient study with its lead monoclonal antibody, PMN310, targeting Alzheimer's disease [2][3] Core Points and Arguments Alzheimer's Disease Study - ProMIS is in the midst of a phase 1b study for Alzheimer's, with over 90% enrollment and data expected soon [3][26] - The study involves administering the drug over 12 months, with an interim analysis planned for mid-next year and final results expected by the end of next year [3][26] Unique Mechanism of Action - PMN310 selectively targets toxic oligomer forms of amyloid beta, which are believed to drive disease progression, rather than the plaque forms that previous therapies have targeted [4][5][7] - The company claims to be the only one with an antibody that selectively targets these toxic oligomers without binding to non-harmful forms [7][10] Differentiation from Competitors - ProMIS utilizes AI and advanced design techniques to create antibodies that specifically target misfolded proteins, a method that differs from competitors who have struggled with cross-reactivity to non-target forms [8][9][10] - Previous therapies targeting plaque have shown limited efficacy and significant side effects, such as ARIA (Amyloid-related imaging abnormalities) [6][12][15] Study Design and Expectations - The phase 1b study is designed to provide definitive answers regarding the drug's efficacy, with a focus on biomarkers, safety, and clinical signals [20][21] - The study aims to enroll 128 patients to ensure robust statistical outcomes, with a goal of moving directly to a phase 3 registration trial based on positive results [21][22] Biomarker Analysis - Key biomarkers being monitored include pTAU217, pTAU243, neurogranin, GFAP, SNAP25, and NFL, which are expected to show changes correlating with clinical outcomes [29][30] - The interim analysis will assess whether PMN310 is effectively engaging its target, with expectations of biomarker levels dropping if the drug is effective [30][31] Market and Strategic Insights - The company believes that reducing ARIA liability will significantly impact prescribing habits and patient confidence, enhancing revenue potential [36][39] - ProMIS has received interest from large pharmaceutical companies, indicating a positive outlook for partnerships and acquisitions in the Alzheimer's space [37][38] Future Outlook - The company anticipates that demonstrating improved safety and efficacy could shift the risk-benefit ratio favorably, benefiting both patients and shareholders [40][41] - ProMIS is positioned to potentially validate the oligomer hypothesis in Alzheimer's treatment, which could have significant implications for the industry [37][44] Other Important Content - The discussion highlighted the shift in understanding regarding the role of amyloid beta in Alzheimer's, moving away from plaque as the primary target to focusing on toxic oligomers [6][15] - The company emphasized the importance of a well-designed clinical study to provide credible evidence for its therapeutic approach [37][44]