Group 1 - RAPT Therapeutics Inc. has been identified as a promising investment opportunity with significant upside potential, as indicated by Wells Fargo raising its price target from $38 to $48 while maintaining an Overweight rating [1] - The efficacy of RAPT's anti-IgE antibody therapy (RPT904) is reported to be comparable or superior to XOLAIR, particularly in the treatment of Chronic Spontaneous Urticaria, with dosing every 12 weeks [1][2] - RAPT's therapy targets multiple food allergies and is expected to perform well in the market due to its similar epitope to XOLAIR, which could lead to substantial sales even at competitive pricing [2] Group 2 - RAPT Therapeutics is a clinical-stage biopharmaceutical company focused on developing oral small-molecule therapies for oncology and inflammatory diseases, addressing unmet medical needs in the US [3]

THE SCIENCE TO OVERCOME INFLAMMATION Phase 2 Topline Results of RPT904 (JYB1904) in Chronic Spontaneous Urticaria OCTOBER 20, 2025 Disclaimer Statements in this Presentation that are not statements of historical fact are forward-looking statements. Such forward-looking statements include, without limitation, statements regarding the development of RPT904, including the expected timing of clinical trials and the availability of data therefrom; expectations regarding regulatory interactions; the therapeutic a ...

Core Insights - Several healthcare and biotech stocks experienced significant price movements on September 29, driven by clinical trial updates, regulatory progress, and strategic announcements Company Performance Highlights - Phio Pharmaceuticals Corp. (PHIO) saw an 8.9% increase in after-hours trading, rising from $2.36 to $2.57, following a 5.83% gain during the regular session, attributed to a positive safety committee recommendation for its PH-762 skin cancer trial [1][2] - Barinthus Biotherapeutics plc (BRNS) rose 8.11% in after-hours trading to $1.60 after closing at $1.48, with a notable 21.3% gain, driven by renewed interest in its immunotherapeutic pipeline [2][3] - Neogen Corp. (NEOG) jumped 5.59% in after-hours trading to $5.90, reversing a 1.41% decline earlier in the day, following announcements of its upcoming earnings release and a renewed sponsorship agreement [3][4] - OKYO Pharma Ltd. (OKYO) increased by 9% in after-hours trading to $2.18 after a decline of 8.26% during the regular session, due to renewed focus on its clinical-stage program for urcosimod [5] - Aurinia Pharmaceuticals Inc. (AUPH) rose 8.05% in after-hours trading to $11.95, despite a 15.83% drop earlier, reflecting heightened activity around its lupus nephritis treatment, LUPKYNIS, and a collaboration with Otsuka Pharmaceutical [6] - RAPT Therapeutics, Inc. (RAPT) climbed 4.43% in after-hours trading to $27.80, following the FDA's clearance of its IND application for RPT904, allowing it to proceed with a Phase 2b trial targeting food allergies [7][8]

Core Insights - RAPT Therapeutics has received FDA clearance for its IND application to initiate a Phase 2b clinical trial of RPT904 for food allergies, marking a significant advancement in the company's clinical development efforts [1][2] Company Overview - RAPT Therapeutics is a clinical-stage biopharmaceutical company focused on developing novel therapies for inflammatory and immunological diseases [5] Clinical Trial Details - The Phase 2b trial, named "prestIgE," will evaluate the safety and efficacy of RPT904 in patients with IgE-mediated food allergies, comparing two dosing regimens (every 8 weeks and every 12 weeks) against a placebo [3] - Approximately 100 participants with food allergies (peanut, milk, egg, walnut, or cashew) will be enrolled, with the primary endpoint being the proportion of participants achieving a target threshold in a double-blind, placebo-controlled oral food challenge at Week 24 [3] - The trial will consist of two parts, with participants receiving treatment for a total of 48 weeks, followed by a 16-week safety follow-up period [3] Product Information - RPT904 is a next-generation, half-life extended anti-IgE monoclonal antibody designed to inhibit free and cell-bound IgE, which is a key driver of allergic diseases [4] - The product aims to provide a differentiated therapeutic option compared to the first-generation anti-IgE monoclonal antibody, omalizumab [4]

Core Insights - RAPT Therapeutics reported a productive first half of 2025 with key achievements and upcoming catalysts anticipated in the second half of the year [2] - The company is on track to initiate a Phase 2b trial of RPT904 in food allergy and to report topline results from Jemincare's Phase 2 trials of RPT904 in CSU and asthma [2] - RAPT's financial results show a significant reduction in net loss compared to the previous year, indicating improved financial health [3][5] Financial Performance - The net loss for the second quarter of 2025 was $17.6 million, a decrease from $27.7 million in the second quarter of 2024 [3] - Research and development expenses for the second quarter of 2025 were $12.3 million, down from $22.6 million in the same period of 2024, primarily due to reduced costs in the development of certain drugs [4] - General and administrative expenses increased to $7.2 million in the second quarter of 2025 from $6.7 million in the same period of 2024, mainly due to higher consulting and facilities costs [5] Six-Month Overview - For the six months ended June 30, 2025, the net loss was $34.8 million, compared to $58.2 million for the same period in 2024 [5] - Research and development expenses for the first half of 2025 totaled $24.4 million, down from $47.4 million in the first half of 2024, reflecting a similar trend as seen in the second quarter [6] - General and administrative expenses remained flat at $14.4 million for both the first halves of 2025 and 2024 [7] Cash Position - As of June 30, 2025, RAPT had cash and cash equivalents and marketable securities totaling $168.9 million [7]

Core Insights - RAPT Therapeutics has appointed Scott Braunstein, M.D., and Ashley Dombkowski, Ph.D., to its board of directors, enhancing its leadership team during a critical phase of development [1][2] - The company's lead product candidate, RPT904, is a monoclonal antibody targeting free human immunoglobulin E (IgE) and is currently in Phase 2 trials for chronic spontaneous urticaria and asthma, with plans to initiate a Phase 2 trial for food allergy later this year [1][2] Company Overview - RAPT Therapeutics is a clinical-stage biopharmaceutical company focused on developing therapies for inflammatory and immunological diseases, leveraging proprietary expertise in immunology [5] Leadership Experience - Scott Braunstein, M.D., has over 30 years of experience in the biotechnology and pharmaceutical industries, including roles at Aisling Capital and Marinus Pharmaceuticals, and has served on multiple boards [3] - Ashley Dombkowski, Ph.D., brings over 20 years of experience as an executive and investor, previously serving as CEO of Cellics Therapeutics and co-founding several companies focused on food allergy treatments [4]

Core Viewpoint - RAPT Therapeutics reported a significant reduction in net loss for Q1 2025 compared to Q1 2024, alongside a focus on advancing its lead candidate RPT904 for food allergies and chronic spontaneous urticaria [3][4][5]. Financial Performance - The net loss for Q1 2025 was $17.2 million, a decrease from $30.5 million in Q1 2024 [3]. - Research and development expenses were $12.0 million in Q1 2025, down from $24.8 million in the same period of 2024, primarily due to reduced costs associated with other drug developments [4]. - General and administrative expenses decreased to $7.2 million in Q1 2025 from $7.7 million in Q1 2024, attributed to lower personnel and professional service costs [5]. - As of March 31, 2025, the company had cash and cash equivalents and marketable securities totaling $179.3 million [5]. Company Overview - RAPT Therapeutics is a clinical-stage biopharmaceutical company focused on developing therapies for inflammatory and immunological diseases, leveraging proprietary expertise in immunology [6].

Company Overview - RAPT Therapeutics, Inc. is a clinical-stage, immunology-based biopharmaceutical company focused on discovering, developing, and commercializing novel therapies for patients with inflammatory and immunological diseases [4] Key Appointment - Jessica Savage, M.D., M.H.S., has been appointed as Vice President of Clinical Development to oversee the development of RPT904, a novel monoclonal antibody targeting free human immunoglobulin E (IgE) [1][2] - Dr. Savage brings extensive experience in food allergy and allergic diseases, having held significant roles in clinical development at prestigious institutions and companies [3] Product Development - RAPT plans to advance RPT904 into a Phase 2b clinical trial for food allergy in the second half of 2025, aiming to generate data that differentiates RPT904 as a therapeutic option [2] - The initial focus for RPT904 will be on food allergy and chronic spontaneous urticaria (CSU), addressing a significant unmet need in these areas [1][2] Expertise and Background of Dr. Savage - Dr. Savage has a strong background in clinical development, having worked on global programs and held faculty positions at Harvard Medical School and Johns Hopkins University [3] - Her previous roles include Senior Medical Director at Alexion, where she led clinical development strategies for various conditions, showcasing her capability to drive RPT904's development [3]

Core Insights - RAPT Therapeutics has appointed Dr. Jessica Savage as Vice President of Clinical Development to lead the development of RPT904, a monoclonal antibody targeting free human immunoglobulin E (IgE) for allergic diseases [1][2] - The company plans to initiate a Phase 2b clinical trial for RPT904 in food allergy in the second half of 2025, aiming to address a significant unmet need in this area [2][3] Company Overview - RAPT Therapeutics is a clinical-stage biopharmaceutical company focused on developing therapies for inflammatory and immunological diseases, leveraging proprietary expertise in immunology [4] Leadership and Expertise - Dr. Jessica Savage brings extensive experience in clinical development, particularly in food allergy, having held significant roles at prestigious institutions and companies [3] - Her previous experience includes leading clinical development strategies for various therapies at Alexion and contributing to multiple New Drug Applications (NDAs) at other pharmaceutical companies [3]

Core Viewpoint - RAPT Therapeutics is focusing on advancing the development of RPT904, a potential best-in-class treatment for food allergies and chronic spontaneous urticaria, with plans to initiate a Phase 2b clinical trial in the second half of 2025 [2] Financial Results for Q4 2024 - The net loss for Q4 2024 was $53.2 million, an increase from $30.9 million in Q4 2023 [3] - Research and development expenses for Q4 2024 were $46.5 million, up from $26.8 million in Q4 2023, primarily due to a $35.0 million upfront license fee for RPT904 [4] - General and administrative expenses for Q4 2024 were $8.0 million, compared to $6.5 million in Q4 2023, driven by increased professional services and personnel costs [5] Financial Results for Year Ended December 31, 2024 - The net loss for the year ended December 31, 2024, was $129.9 million, compared to $116.8 million for the year ended December 31, 2023 [7] - Research and development expenses for the year were $107.2 million, up from $101.0 million in 2023, mainly due to the upfront license fee for RPT904 [8] - General and administrative expenses for the year were $28.9 million, compared to $26.1 million in 2023, reflecting increased non-cash stock-based compensation and personnel costs [9] Cash Position and Financing Activities - As of December 31, 2024, the company had cash and cash equivalents and marketable securities totaling $231.1 million [9] - In December 2024, the company raised $143.0 million through a private placement of 100 million shares at $0.85 per share and pre-funded warrants [7] Licensing Agreement - In December 2024, the company entered into a licensing agreement with Shanghai Jemincare Pharmaceutical Co., Ltd., paying a $35.0 million upfront fee for exclusive rights to RPT904 outside of certain regions in Asia, with potential additional milestone payments of up to $672.5 million [6]