Core Insights - IDEAYA Biosciences, Inc. is hosting an in-person R&D Day on September 8, 2025, in New York to celebrate its 10-Year Anniversary and discuss its progress and future growth strategy [1][2]. Company Overview - IDEAYA is a precision medicine oncology company focused on discovering and developing targeted therapeutics for cancer, integrating small-molecule drug discovery, structural biology, and bioinformatics [6]. R&D Day Agenda - The R&D Day will feature presentations on new clinical data for darovasertib in neoadjuvant uveal melanoma, IDE849 (DLL3 TOP1 ADC), and IDE397 (MAT2A) [2][8]. - Dr. Arun D. Singh from the Cleveland Clinic will present data from the Phase 2 trial of darovasertib and discuss the Phase 3 OptimUM-10 trial [4]. - The agenda includes discussions on various drug candidates, including initial Phase 1 clinical data for IDE397/Trodelvy combination in MTAP-deletion urothelial cancer and the application of AI/ML in discovery capabilities [8].

Group 1 - IDEAYA Biosciences, Inc. is participating in the 2025 BTIG Virtual Biotechnology Conference on July 29, 2025, at 4:40 PM ET, featuring a fireside chat with CEO Yujiro S. Hata [1] - The conference will be accessible via a live audio webcast on the IDEAYA website, with a replay available for 30 days post-event [1] Group 2 - IDEAYA is focused on precision medicine in oncology, aiming to discover, develop, and commercialize transformative therapies for unmet medical needs in cancer [2] - The company integrates small molecule drug discovery, structural biology, and bioinformatics to develop targeted therapies, including synthetic lethality and antibody-drug conjugates (ADCs) [2] - IDEAYA has established a robust pipeline of targeted therapies aimed at improving clinical outcomes for cancer patients [2]

Pipeline and Milestones - Aprea Therapeutics' WEE1 inhibitor (APR-1051) ACESOT-1051 Phase 1 study expects safety/efficacy data in H2 2025 and complete dose escalation in H1 2026 [7, 43] - Aprea Therapeutics' ATR inhibitor (ATRN-119) ABOYA-119 Phase 1/2a study expects safety/efficacy data in H2 2025 and Recommended Phase 2 Dose (RP2D) in H1 2026 [8, 68] - Six patients in the ATRN-119 dose escalation cohorts achieved stable disease, with three patients (50%) in the 550mg BID cohort demonstrating measurable tumor shrinkage of 7%, 14%, and 21% [53] APR-1051 (WEE1 Inhibitor) - APR-1051 is a potent WEE1 inhibitor with high selectivity, showing >150-fold, >50-fold, and >600-fold difference in IC50 compared to PLK1, PLK2, and PLK3 inhibition, respectively [31] - Clinical data cutoff on March 4, 2025, for APR-1051 (N=9) showed treatment-related adverse events, including alanine aminotransferase increased (2 patients), aspartate aminotransferase increased (2 patients), and lymphocyte count decreased (1 patient) [26] ATRN-119 (ATR Inhibitor) - ATRN-119 exhibits near-dose proportional exposure following oral administration, with AUC 0-24hr ranging from 180 ng*h/mL at 50mg to 6899 ng*h/mL at 550mg [55] - Clinical data cutoff on May 1, 2025, for ATRN-119 (N=32) showed treatment-related adverse events, including nausea (13 patients), diarrhea (12 patients), and fatigue (10 patients) [57] - ATRN-119 is the first and only macrocyclic ATR inhibitor, potentially offering increased selectivity and improved tolerability compared to first-generation acyclic structures [59, 66] Financials and Capitalization - As of March 31, 2025, Aprea Therapeutics had approximately $19.3 million in cash and equivalents [73] - Aprea Therapeutics has 5,531,373 common stock, 2,701,864 warrants, 782,243 options, and 30,607 restricted stock units outstanding as of May 14, 2025, resulting in 9,061,683 fully diluted equivalents [73]

Group 1 - IDEAYA Biosciences, Inc. is participating in two upcoming investor relations events: the 2025 Jefferies Global Healthcare Conference on June 4th and the Goldman Sachs 46th Annual Global Healthcare Conference on June 9th [1] - The CEO, Yujiro S. Hata, will be featured in fireside chats at both conferences, hosted by equity research analysts from Jefferies and Goldman Sachs [1] - A live audio webcast of the events will be available on the IDEAYA website, with replays accessible for 30 days post-event [1] Group 2 - IDEAYA is focused on precision medicine in oncology, developing targeted therapeutics based on molecular diagnostics [2] - The company integrates capabilities in identifying and validating translational biomarkers with drug discovery to optimize patient selection for its therapies [2] - IDEAYA is particularly focused on synthetic lethality, an emerging class of precision medicine targets [2]

Core Insights - IDEAYA Biosciences, Inc. provided a business update and announced financial results for Q1 2025, highlighting significant progress in its clinical programs and financial position [1][2]. Financial Overview - As of March 31, 2025, IDEAYA had approximately $1.05 billion in cash, cash equivalents, and marketable securities, down from $1.08 billion at the end of 2024, primarily due to operational cash usage [4][16]. - The company projects that its current cash balance will fund operations into 2029 based on its updated operating plan [17]. - The net loss for Q1 2025 was $72.2 million, a decrease from a net loss of $130.3 million in Q4 2024 [22]. Clinical Development Highlights - The darovasertib program received U.S. FDA breakthrough therapy designation, with over 300 patients enrolled in the registrational trial for HLA-A2-negative metastatic uveal melanoma (MUM) [2][4]. - The company is targeting a median progression-free survival (PFS) readout by the end of 2025 to enable a potential accelerated approval filing [4][5]. - IDEAYA is advancing multiple clinical programs, including IDE849 for lung cancer, IDE275 for MSI-high colorectal and endometrial cancer, and IDE397 for MTAP-deletion lung and urothelial cancer [2][4]. Research and Development Updates - The Phase 3 trial for darovasertib as neoadjuvant therapy for primary uveal melanoma is expected to enroll approximately 520 patients, with a focus on eye preservation and visual acuity outcomes [5][6]. - IDEAYA plans to present clinical data updates at medical conferences throughout 2025, including results from darovasertib and other pipeline candidates [4][5]. - The company has initiated a Phase 1 study for IDE849 in small cell lung cancer (SCLC) and is collaborating with Gilead to evaluate IDE397 in combination with Trodelvy® [12][19]. Corporate Developments - IDEAYA appointed Joshua Bleharski as Chief Financial Officer and Shanthakumar Tyavanagimatt as Senior Vice President of Technical Operations, enhancing its leadership team [21]. - The company formed a collaboration with ATTMOS to develop a computational platform for small molecule discovery, aiming to unlock oncology targets [21].

Company Participation in Investor Events - IDEAYA Biosciences, Inc. will participate in investor relations events including a fireside chat on May 8, 2025, and another on May 20, 2025 [1] - The events will feature Yujiro S. Hata, President and CEO, and will be hosted by notable analysts from Barclays and RBC Capital Markets [1] Company Overview - IDEAYA is a precision medicine oncology company focused on discovering and developing targeted therapeutics using molecular diagnostics [2] - The company integrates capabilities in identifying and validating translational biomarkers with drug discovery to select patient populations most likely to benefit from its therapies [2] - IDEAYA is particularly focused on synthetic lethality, an emerging class of precision medicine targets [2]