Summary of IDEAYA Biosciences Update - February 23, 2026 Company Overview - **Company**: IDEAYA Biosciences (NasdaqGS:IDYA) - **Industry**: Precision medicine oncology - **Programs**: 9 clinical programs, with a focus on darovasertib in phase 3 studies for metastatic uveal melanoma [1][3] Key Points and Arguments Clinical Programs - **Darovasertib**: - Currently in two phase 3 randomized studies for first-line metastatic uveal melanoma and neoadjuvant indications [1] - Upcoming guidance on top-line results expected by the end of March 2026, focusing on median progression-free survival (PFS) as the primary endpoint [4][5] - Reported a solid 7-month PFS in previous presentations, with a follow-up of approximately 2 years [5][11] - **DLL3 Topo ADC (IDE-849)**: - Anticipated clinical data update by the end of 2026, with potential to be a best-in-class asset [2] - **MTAP Deletion Programs**: - Two clinical assets (PRMT5 and MAT2A) with opportunities for both monotherapy and combination therapy [2] - **KAT6/7 (IDE-574)**: - Entered phase 1, targeting a large patient population including breast and colorectal cancer [3] Trial Design and Expectations - **Trial Design**: - Simple randomized phase 3 comparison of darovasertib-crizotinib combination versus standard of care (checkpoint inhibitors) [15] - Control arm expected to show PFS of approximately 2-3 months based on meta-analyses [10][11] - **PFS and OS Analysis**: - The treatment arm is expected to outperform the control arm, with a significant buffer for achieving statistical significance [11][12] - Overall survival (OS) data shows a promising 21-month survival rate, with expectations for positive outcomes in the ongoing study [11][12][128] Patient Population and Disease Characteristics - **Uveal Melanoma**: - Majority of patients (over 90%) present with liver metastases, making liver-directed therapies critical [167][176] - Approximately one-third of patients have elevated LDH levels, indicating disease severity [180][181] Regulatory and Future Plans - **FDA Submission**: - Plans to file for approval based on PFS data, with OS data to be presented during the review process [136][186] - Anticipated timeline for filing and review is approximately 12 months, targeting first half of 2027 for potential approval [187] - **NCCN Guidelines**: - Plans to present data to the NCCN panel to support treatment inclusion for both HLA-A2 negative and positive patients [189] Neoadjuvant Study (OptimUM-09) - **OptimUM-09 Study**: - Focused on neoadjuvant treatment with promising results in tumor shrinkage and vision preservation [191] - Aims to change the treatment paradigm from surgical interventions to pharmacological management [195] Additional Important Information - **Safety Profile**: - Expected to be comparable to previous studies, with a focus on managing adverse events effectively [155] - Investigators are becoming more adept at handling treatment-related toxicities, which may lead to lower discontinuation rates [156] - **Data Review Process**: - The independent review of PFS is ongoing, with a target completion by the end of March 2026 [144] This summary encapsulates the key points from the IDEAYA Biosciences update, highlighting the company's focus on innovative oncology treatments, ongoing clinical trials, and strategic regulatory plans.

Summary of IDEAYA Biosciences Conference Call Company Overview - **Company**: IDEAYA Biosciences (NasdaqGS:IDYA) - **Industry**: Clinical-stage precision medicine oncology - **Key Programs**: Nine clinical programs, with a focus on uveal melanoma and other oncology indications Key Points and Arguments Upcoming Catalysts - **Darovasertib**: Lead molecule for uveal melanoma, with an upcoming top-line data release for the combination with crizotinib in metastatic uveal melanoma expected by the end of March 2026. The company has triggered the required 130 events for analysis [2][5] - **Neoadjuvant and Adjuvant Studies**: Enrollment in a neoadjuvant study is ongoing, with plans to begin an adjuvant study in Q2 2026 [3][4] Clinical Data Expectations - **Control Arm Expectations**: The control arm is expected to show a median progression-free survival (PFS) of 2-3 months and overall survival (OS) of about 13 months based on historical data [9][10] - **Darovasertib and Crizotinib Combination**: Previous data indicated a median PFS of about 7 months and OS of 21 months, significantly better than standard therapies [10][12] - **Response Rates**: Standard therapies show a response rate of around 10%, while the combination therapy has shown a response rate exceeding 30% [10] Study Design and Patient Demographics - The study focuses on HLA-A2 negative patients with metastatic uveal melanoma, comparing the combination therapy to standard care, which varies by region [8][9] - The study design includes frequent patient scans every six weeks, which may lead to earlier detection of progression compared to traditional three-month scans [15] Regulatory and Filing Timelines - **FDA Filing**: The company anticipates a six-month timeline to file for accelerated approval post-data release, with a review period of at least six months [30] - **HLA-A2 Positive Group**: Data from HLA-A2 positive patients will be presented in two chapters, with the first chapter expected to show early efficacy data [31][32] Other Pipeline Developments - **DLL3 TOPO1 ADC**: Currently in phase I studies, with initial data expected by the end of 2026. The U.S. study has launched, and early safety data is anticipated [47][48] - **MTAP Inhibitor IDE397**: Ongoing studies in combination with Trodelvy for MTAP-deleted urothelial cancer, with promising early data [59][60] - **Combination Strategies**: The company is exploring various combination therapies, including those targeting PRMT5 and CDKN2A, to enhance treatment efficacy in MTAP-deficient tumors [66][68] Market Position and Future Outlook - IDEAYA aims to set a new standard for uveal melanoma treatment, addressing a significant unmet medical need with limited existing therapies [22][14] - The company has a strong cash position of approximately $1.05 billion, providing a runway into 2030, positioning it well for upcoming clinical milestones [5] Additional Important Information - The company emphasizes the importance of data integrity and the potential for positive outcomes based on historical performance metrics [12][26] - Discussions with the FDA regarding potential label expansions and real-world data integration are ongoing, particularly for HLA-A2 positive patients [33] This summary encapsulates the key points discussed during the conference call, highlighting IDEAYA Biosciences' strategic focus on advancing its oncology pipeline and addressing critical patient needs in uveal melanoma and other cancer indications.

Core Insights - IDEAYA Biosciences reported strong clinical execution and pipeline expansion in Q4 and full year 2025, with a focus on advancing its oncology programs and commercial readiness activities [1] Financial Results - As of December 31, 2025, IDEAYA had approximately $1.05 billion in cash, cash equivalents, and marketable securities, a decrease from $1.08 billion in 2024, primarily due to net cash used in operations [2] - Collaboration revenue for Q4 2025 was $10.9 million, up from $7.0 million in Q4 2024, driven by research and development services under the Servier exclusive license agreement [2] - R&D expenses for Q4 2025 totaled $86.6 million, down from $140.2 million in Q4 2024, mainly due to a prior year's upfront payment under a license agreement [2] - G&A expenses for Q4 2025 were $18.8 million, an increase from $11.0 million in Q4 2024, attributed to higher personnel and consulting costs [2] - The net loss for Q4 2025 was $83.3 million, compared to a net loss of $130.3 million in Q4 2024 [2] - For the full year 2025, the net loss was $113.7 million, significantly reduced from $274.5 million in 2024 [2] Clinical Developments - IDEAYA is advancing darovasertib in uveal melanoma, with topline results from the OptimUM-02 trial expected by the end of March 2026, which may enable accelerated approval in the U.S. [1] - The company plans to initiate three Phase 3 registrational trials for darovasertib in uveal melanoma by H1 2026 [1] - IDEAYA has received IND clearance for IDE034, a bispecific ADC, and plans to initiate a Phase 1 trial in Q1 2026 [1] - The company is also targeting the initiation of several other clinical trials, including IDE574 and IDE892, in 2026 [1] Corporate Updates - In December 2025, GlaxoSmithKline notified IDEAYA of its intention to terminate a collaboration agreement, leading to the transfer of certain clinical programs back to IDEAYA [1] - The company is actively preparing for the commercial launch of darovasertib in the U.S. and globally [1]

Core Insights - IDEAYA Biosciences, Inc. is a precision medicine oncology company focused on developing targeted therapeutics for specific patient populations using molecular diagnostics [1] - The company has promising product candidates, including IDE397 and IDE196, currently in various stages of clinical trials, alongside a strong preclinical pipeline targeting synthetic lethality programs [1] Price Target Trends - The consensus price target for IDEAYA Biosciences has fluctuated, decreasing from an average of $54.67 a quarter ago to $45 in the past month, which is similar to the target from a year ago at $44 [2] - Analysts from Robert W. Baird have set a price target of $18, reflecting the potential of the company's extensive portfolio and near-term catalysts [5] Lead Asset and Revenue Potential - The lead asset, darovasertib, is aimed at treating uveal melanoma and has shown promising results in Phase 2 trials, with potential peak revenue exceeding $500 million [3] - The success of darovasertib could significantly impact the company's financial performance and stock valuation [3] Strategic Partnerships - IDEAYA has established strong partnerships, including one with Servier and collaborations with major pharmaceutical companies like GlaxoSmithKline plc, which are crucial for accelerating drug development [4] - These partnerships may influence analyst sentiment and price targets moving forward [4]

Company Overview - IDEAYA was founded 10 years ago and has established strategic guideposts including first-in-class targets, predictive biomarkers, rational combinations, and early-stage disease focus areas [3] Clinical Pipeline - The company has four clinical pipeline focus areas, with darovasertib being a key program currently in a registrational study, with top-line results expected this quarter for potential accelerated approval filing in the United States [4] - Darovasertib is considered a unique molecule with the potential to define its indication in uveal melanoma across neoadjuvant, adjuvant, and metastatic settings [4] Research Focus - IDEAYA is also focusing on antibody-drug conjugates (ADCs) and DNA damage repair as part of its research and development strategy [5]

Summary of IDEAYA Biosciences FY Conference Call Company Overview - **Company**: IDEAYA Biosciences (NasdaqGS:IDYA) - **Event**: 44th Annual J.P. Morgan Healthcare Conference - **Date**: January 12, 2026 - **CEO**: Yujiro Hata Key Focus Areas 1. **Darovasertib**: - Currently in a registrational study with top-line results expected this quarter for potential accelerated approval in the U.S. [2][8] - Targets uveal melanoma, a rare and aggressive cancer with a poor prognosis (5-year survival rate of 15%-20%) [6][7] - Reported an overall response rate of approximately 35% and a median duration of response of nine months [7] - Progression-free survival (PFS) reported at seven months, with overall survival (OS) over 21 months [7] - Received Breakthrough Therapy Designation from the FDA for the neoadjuvant setting [9] 2. **Antibody-Drug Conjugates (ADCs)**: - Focus on DNA damage repair and enhancing durability of ADCs [11][12] - DLL3 TOPO-ADC program (ID849) aims to address unmet needs in small cell lung cancer, with a confirmed response rate of approximately 70% in second-line settings [15][16] - Plans to initiate a registrational study for ID849 targeting monotherapy accelerated approval [17] 3. **MTAP Deletion**: - Represents a significant opportunity as it is co-deleted with CDKN2A in various cancers, including lung and pancreatic cancers [19][20] - No FDA-approved therapies currently exist for patients with MTAP deletion [20] - Response rates of approximately 40% reported in ongoing studies, with a focus on non-small cell lung cancer [21][22] 4. **KAT6/7 Inhibitors**: - New dual KAT6/7 inhibitor (ID574) has entered phase one trials, targeting tumor heterogeneity [24] - Expected to address significant patient populations in breast cancer, prostate cancer, and colorectal cancer [24] Clinical Development and Strategy - IDEAYA has a pipeline of nine clinical stage molecules, focusing on precision medicine in oncology [5] - Emphasis on combination therapies to enhance treatment efficacy and durability [29] - Plans to complete enrollment for the neoadjuvant study by the first half of 2027 [11] Market Insights - IDEAYA aims to learn from the Kimmtrak launch in the uveal melanoma market to enhance its market entry strategy for darovasertib [28] - The company is focused on addressing challenges in community access and market penetration [28] Financial and Operational Highlights - IDEAYA is positioned for potential accelerated approval filings and is investing in future growth areas, including TOPO-ADCs and MTAP deletion biology [25] Additional Considerations - The company is exploring the safety and efficacy of various combinations, including the potential for reduced doses to optimize therapeutic windows [40][41] - The focus on systemic therapies versus dual payload approaches highlights a strategic differentiation in their clinical development [42] This summary encapsulates the key points discussed during the conference call, highlighting IDEAYA's strategic focus, clinical developments, and market positioning.

Core Insights - IDEAYA Biosciences, Inc. is focused on advancing its oncology pipeline and achieving key corporate objectives in 2026, with a significant emphasis on darovasertib for uveal melanoma and other cancer indications [1][2] Corporate Objectives for 2026 - The company plans to advance four registrational trials, including darovasertib in both pre-metastatic and metastatic settings of uveal melanoma, which is critical for improving patient outcomes in this high-unmet-need area [2][3] - Topline results from the OptimUM-02 trial, which involves a combination of darovasertib and crizotinib in HLA*A2-negative metastatic uveal melanoma patients, are expected in Q1 2026, potentially leading to an accelerated approval filing in the U.S. [3] - Three randomized Phase 3 registrational trials for darovasertib across all stages of uveal melanoma are anticipated to be initiated by H1 2026 [3] - The company aims to initiate a registrational study for IDE849 in the second line/refractory setting of small cell lung cancer by the end of 2026 [3] Pipeline and Clinical Trials - IDEAYA's pipeline includes multiple candidates targeting various cancers, with specific trials planned for IDE034, IDE161, IDE397, and IDE892, among others, throughout 2026 [3][4] - The company has a strong cash position of approximately $1.1 billion as of September 30, 2025, which is expected to fund operations into 2030 [8] Strategic Focus - IDEAYA is committed to precision medicine and aims to develop transformative therapies for cancer, leveraging its expertise in drug discovery and biomarker validation [5]

Summary of Key Points from Biotechnology Equity Research Conference Call Industry Overview - The report focuses on the biotechnology sector, specifically highlighting companies with significant potential for growth and upcoming catalysts in 2026. Key Companies and Their Outlook 1. **Dianthus Therapeutics, Inc. (DNTH)** - Market Cap: $1.82 billion - Price Target: $66 - Key catalysts include: - CIDP Phase III interim analysis in Q2 2026 - Initiation of gMG Phase III study in mid-2026 - Phase II MMN topline data in 2H26 - Potential for significant upside based on peak revenue estimates of ~$2 billion across neuromuscular diseases [19][20][24] 2. **Taysha Gene Therapies, Inc. (TSHA)** - Market Cap: $1.50 billion - Price Target: $11 - Focus on pivotal study for TSHA-102 in Rett syndrome with potential for a 6-month interim readout by YE26/1Q27 [26][27] 3. **Tyra Biosciences (TYRA)** - Market Cap: $1.36 billion - Price Target: $32 - Major catalysts include: - Phase III data for achondroplasia in early 2026 - Initial data for IR-NMIBC in 1H26 - Potential to disrupt the market with oral FGFR3 inhibitors [31][35] 4. **Tango Therapeutics, Inc. (TNGX)** - Market Cap: $1.15 billion - Price Target: $14 - Expected to show de-risking data for vopimetostat in combination with RVMD's RAS inhibitors in 2026 [37][40] 5. **ORIC Pharmaceuticals (ORIC)** - Market Cap: $783 million - Price Target: $23 - Key catalysts include dose-optimization data for prostate cancer and validating data from PFE's MEVPRO-1 trial [42][48] 6. **Solid Biosciences (SLDB)** - Market Cap: $463 million - Price Target: $15 - Focus on DMD program with key regulatory feedback expected in 1H26 [49][53] Major Catalysts and Events - **Upcoming Catalysts:** - RARE and MREO Phase III ORBIT final analysis expected in Dec'25/Jan'26 with potential stock movements of +100%/-30% [2] - ALNY, CRSP, and others expected to provide revenue guidance and business plans early in 2026 [1] - Regulatory events including FDA's Rare Disease Day on 2/23/26 [12] - **Drug Launches:** - Expected launches in 2026 include drugs from ALNY, ARWR, KALV, and others targeting various conditions [3] Financial Updates - **Price Target Changes:** - ARWR raised from $67 to $90 - KOD raised from $24 to $39 [6][10] Market Dynamics - **Pricing Stability:** - 2026 net pricing expected to remain stable with current Medicare contracts influencing high gross-to-net (GTN) guidance [12] - **Strategic Interest:** - Potential for M&A activity as companies like ORIC attract interest due to their prostate cancer programs [43] Conclusion - The biotechnology sector is poised for significant developments in 2026, with multiple companies presenting strong investment opportunities based on upcoming catalysts, drug launches, and strategic positioning in the market.

Core Insights - IDEAYA Biosciences has completed the targeted enrollment of 435 patients in the Phase 2/3 trial (OptimUM-02) for darovasertib in combination with crizotinib for treating first-line HLA*A2-negative metastatic uveal melanoma [1][2] - The company anticipates reporting median progression-free survival (PFS) data in Q1 2026 to support a potential accelerated approval filing in the U.S. [1][6] - Darovasertib has received FDA Breakthrough Therapy Designation and Fast Track designation for its use in metastatic uveal melanoma [4] Trial Details - The OptimUM-02 trial is a multi-arm, multi-stage, open-label study comparing the darovasertib and crizotinib combination against investigator's choice of treatment [3] - Primary endpoints include median PFS and median overall survival (OS), which will support potential accelerated and full approval filings in the U.S. [3] - Previous data from the Phase 1/2 trial (OptimUM-01) indicated a median OS of 21.1 months and median PFS of 7.0 months for the combination treatment [3] Regulatory Designations - Darovasertib has been designated as an Orphan Drug by the U.S. FDA for uveal melanoma, including metastatic cases [4] - The company is also enrolling patients in a pivotal Phase 3 trial of single-agent darovasertib in the neoadjuvant setting for primary uveal melanoma (OptimUM-10) [4] Company Overview - IDEAYA Biosciences focuses on precision medicine in oncology, aiming to develop transformative therapies for cancer through a combination of drug discovery, structural biology, and bioinformatics [5] - The company has a pipeline targeting synthetic lethality and antibody-drug conjugates for solid tumor indications [5]

Financial Data and Key Metrics Changes - The company is approaching top line results for its lead program, darovasertib, with guidance for an accelerated approval filing in the U.S. by year-end this year to Q1 next year [3][4] - Historical median progression-free survival (PFS) for metastatic uveal melanoma is about 2-3 months, while the company has reported a PFS of approximately 7 months in its trials, indicating a significant improvement [6][7] Business Line Data and Key Metrics Changes - The company has eight programs in clinical development, with darovasertib being the lead program in a registrational trial for metastatic uveal melanoma [3] - The company has received breakthrough therapy designation for darovasertib in the neoadjuvant setting, indicating a strong pipeline and potential for accelerated development [4] Market Data and Key Metrics Changes - The market for darovasertib targets approximately 4,000-5,000 patients, with a significant portion being HLA negative, which the company aims to address [9] - The annual incidence of neoadjuvant uveal melanoma is estimated to be 10,000-12,000 patients, highlighting a substantial unmet need in this area [12] Company Strategy and Development Direction - The company is focusing on expanding its pipeline in the MTAP deletion space, with a phase two MAT2A inhibitor and a phase one PRMT5 inhibitor, aiming to position itself as a leader in this competitive area [36] - The company is also exploring the DLL3 program for small cell lung cancer, with plans to differentiate based on efficacy and durability compared to competitors [53] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the upcoming data readouts, particularly for darovasertib, and believes that the combination of strong efficacy data and a robust pipeline will position the company favorably in the market [19][20] - The company is optimistic about the potential for its adjuvant study to become a blockbuster opportunity, targeting patients earlier in their treatment journey [29] Other Important Information - The company is preparing to initiate an adjuvant study in collaboration with Servier, targeting high and high medium metastatic risk populations [27] - The company has a unique bispecific ADC targeting B7-H3 and PTK7, which is expected to amplify efficacy in dual expression populations [66] Q&A Session Summary Question: What is the expected timeline for the neoadjuvant study? - The company anticipates enrolling the study in roughly five quarters, with the first eye preservation data expected in about six months [19][20] Question: How does the company plan to differentiate its DLL3 program? - The company believes it can differentiate based on response rates and durability, leveraging a unique linker system that allows for higher dosing [53][54] Question: What is the competitive landscape for the MTAP deletion space? - The company sees itself as an industry leader in the MTAP deletion area, with a diverse pipeline that includes multiple clinical stage assets [36][37]