Summary of Cullinan Therapeutics Update / Briefing Company Overview - **Company**: Cullinan Therapeutics (NasdaqGS: CGEM) - **Focus**: Development of T-cell engagers for oncology and autoimmune diseases, particularly in acute myeloid leukemia (AML) Key Points from the Call Industry Context - **AML Treatment Landscape**: There is a significant unmet need for effective treatments, especially for patients with TP53 mutated AML, which has a poor prognosis [2][24] - **Current Market**: Approximately 22,000 new AML cases are diagnosed annually in the U.S., with a large portion relapsing after initial therapy, representing a market opportunity exceeding $1 billion [45][46] Pipeline and Product Development - **CLN-049**: A FLT3-directed T-cell engager showing promise in treating AML, particularly in patients with TP53 mutations [8][9] - **Clinical Trials**: - Initial data from a dose escalation study indicated a composite complete response (CR) rate of 31% at the highest dose of 12 micrograms per kilogram [18][21] - The study enrolled 45 patients, with 41 providing efficacy data, showing a favorable safety profile with manageable cytokine release syndrome (CRS) [12][15] - Fast-track designation from the FDA was secured for CLN-049, emphasizing its potential in treating relapse refractory AML [6][21] Clinical Efficacy and Safety - **Efficacy Data**: - Among patients treated at doses above 6 micrograms, 8 out of 32 showed a response, with 5 achieving CR at the highest dose [18][19] - Durable responses were noted, with some patients remaining in remission beyond 16 weeks [19][21] - **Safety Profile**: - CRS was the most common adverse event, occurring in just over one-third of patients, with most cases being grade one or two [15][16] - The safety profile is favorable compared to existing T-cell engagers in other hematologic malignancies [15][16] Future Development Plans - **Expansion Studies**: Plans to initiate expansion studies in Q1 2026, targeting both all-comer AML patients and those with TP53 mutations [20][47] - **Regulatory Pathway**: A clear development strategy is in place for both relapse refractory and frontline settings, with plans for a pivotal single-arm study for accelerated approval [46][47] Commercial Opportunity - **Market Potential**: The broad applicability of CLN-049 to AML patients without the need for biomarker testing positions it uniquely in the market, potentially disrupting current treatment paradigms [45][46] - **Financial Outlook**: The opportunity in the relapse refractory segment alone is estimated to exceed $1 billion, with expansion into frontline settings opening up multi-billion-dollar potential [46][48] Additional Insights - **TP53 Mutations**: A significant focus on patients with TP53 mutations, which represent a challenging subset of AML, with a median survival of only six months in frontline settings [33][34] - **Research and Development**: The company is leveraging its internal expertise in hematology to expedite the development of CLN-049, aiming to address the urgent need for effective therapies in AML [46][48] This summary encapsulates the critical insights from the Cullinan Therapeutics update, highlighting the company's strategic focus on CLN-049 and its potential impact on the treatment landscape for AML.

Core Insights - Molecular Partners AG is presenting updated data from a Phase 1/2a trial of its T-cell engager MP0533 for treating acute myeloid leukemia (AML) at the 67th ASH Annual Meeting [1][2] Group 1: Trial Results - The multicenter, open-label study shows that densified dosing of MP0533 is tolerable and leads to improved serum exposure with preliminary antitumor activity [2][4] - As of September 1, 2025, 54 patients have been treated with MP0533, with 8 out of 48 evaluable patients achieving a response, including 5 reaching composite complete responses [4] - Six of the eight responders had less than 20% bone marrow blasts at baseline, indicating that patients with low disease burden are likely to benefit the most from MP0533 [4][7] Group 2: Expert Commentary - Prof. Courtney DiNardo expressed optimism about the clinical benefits of MP0533 in mutation-agnostic R/R AML patients, particularly those with lower disease burden, supporting further investigation in a Phase 2 setting [3][5] Group 3: Drug Mechanism and Design - MP0533 is a novel tetra-specific T cell-engaging DARPin that targets three tumor-associated antigens (CD33, CD123, CD70) on AML cells and the immune activator CD3 on T cells, designed to preferentially kill AML cells while minimizing damage to healthy cells [6][9] Group 4: Future Development - The trial is progressing well, with the densified dosing regimen showing feasibility and an acceptable safety profile, prompting interest from several consortia for further studies in both R/R and front-line AML settings [5][9]

AbCellera Biologics Conference Call Summary Company Overview - **Company**: AbCellera Biologics (NasdaqGS: ABCL) - **Date**: November 13, 2025 - **Key Focus**: Transition from a partnership-focused model to developing its own clinical assets [8][12][14] Core Points and Arguments Transition to Internal Development - AbCellera has shifted from primarily building capabilities through partnerships to developing its own clinical assets, completing this transition in 2025 with two wholly owned assets entering the clinic [12][14] - The company aims to retain more economic value from its assets, moving towards co-development models with partners [7][9][12] Partnership Strategy - AbCellera has worked on over 100 programs with partners, focusing on scientific merit, commercial opportunity, and differentiation when selecting partnership opportunities [18][19] - The company continues to engage with strategic partners like Lilly and AbbVie, leveraging its capabilities to enhance their programs [11][21] Clinical Pipeline - **ABCL635**: An antibody targeting the NK3R for treating hot flashes associated with menopause. The company believes it has a significant commercial opportunity due to the large unmet medical need [35][36] - The preferred administration method is a monthly injectable, which over 50% of surveyed women preferred over daily oral options [44] - The clinical development path is straightforward, with a proof of concept study expected to start in early 2026 [60][62] - **ABCL575**: An OX40 ligand antagonist, positioned to potentially outperform existing treatments by targeting upstream pathways [88][90] - **ABCL688**: Another candidate targeting GPCRs, expected to enter clinical trials mid-next year [102][107] Market Dynamics - The market for non-hormonal treatments for menopause is expanding, with competitors like Astellas and Bayer already establishing a presence. AbCellera aims to enter this market with a differentiated product [68][75][80] - The company estimates a $6 billion addressable market for non-hormonal treatments, with significant unmet needs among women contraindicated for hormone replacement therapy [74][76] Financial Position - AbCellera reported over $500 million in cash and equivalents, with total available liquidity around $700 million, providing sufficient resources for at least the next three years [108][109] Additional Important Insights - The company has received government funding to support clinical trials, which has facilitated the establishment of trial sites in Canada without delays [53][54] - The focus on difficult antibody discovery programs has positioned AbCellera as a leader in the field, with a strong reputation among partners [31][32] - The anticipated readouts for the first clinical assets are expected in 2026, which could significantly impact the company's valuation and market perception [14][12]

Financial Data and Key Metrics Changes - Total revenue for Q3 2025 was $27.6 million, up from $16 million in Q3 2024, primarily due to a $25 million milestone from Janssen and $1 million in royalties from Jazz Pharmaceuticals and BeiGene [9][10]. - Overall operating expenses decreased slightly to $49.7 million in Q3 2025 from $50.2 million in Q3 2024, a reduction of 1% [10]. - Net loss improved to $19.6 million in Q3 2025 compared to a net loss of $29.9 million in Q3 2024, attributed to increased revenue [10][11]. - Cash, cash equivalents, and marketable securities totaled $299.4 million as of September 30, 2025, down from $324.2 million at the end of 2024 [11]. Business Line Data and Key Metrics Changes - The company recognized a $25 million development milestone from Jazz Pharmaceuticals related to the clinical progress of pacritimab, contributing significantly to revenue [6][9]. - Royalty revenues of $1 million were earned based on Ziihera net product sales by Jazz and BeiGene [8]. Market Data and Key Metrics Changes - The company continues to see strong momentum in its partnered programs, with Jazz presenting positive trial data at ESMO [5][6]. - The first patient has been dosed in the phase one clinical trial of ZW251, targeting GPC3 in hepatocellular carcinoma, indicating ongoing clinical development [4][17]. Company Strategy and Development Direction - The company aims to leverage partnerships to accelerate development and maintain control over R&D innovations while de-risking clinical developments [25][27]. - The focus remains on advancing programs with clear differentiation and strong scientific rationale, utilizing partnerships to offset development risks [27]. - The company is committed to disciplined capital allocation to drive sustainable long-term returns [9][25]. Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the company's outlook, citing the strength of the pipeline and the successful execution of clinical trials [8][11]. - The company anticipates that existing cash resources, combined with expected regulatory milestones, will fund operations into the second half of 2027 [11]. Other Important Information - The company completed share repurchases of $22.7 million under its previously authorized program, reflecting confidence in its outlook [8]. - The decision to discontinue the development of ZW171 was made to prioritize programs with clearer paths to patient benefit [20][21]. Q&A Session Summary Question: Thoughts on the update in the PFS analysis for Horizon GEA 01 - Management aligned with Jazz's regulatory strategy regarding the readout of Horizon GEA 01 and did not provide additional comments [30]. Question: Implications of ZW191 data for GPC3 and potential development strategies - Management expressed intrigue regarding the GPC3 construct and emphasized the importance of safety in the hepatocellular carcinoma population [31][33]. Question: Insights on GPC3 payload and preclinical efficacy expectations - Management noted that while topo1 is not standard for liver cancer, there is precedent for its use, and they believe their ADC can deliver effective treatment [38][44]. Question: Confidence in GPC3 activity in the post-IO setting - Management indicated that GPC3 expression levels are not expected to be modulated by IO treatment, supporting their development plan [60][62]. Question: Expectations on durability for ZW191 and potential for partnerships - Management found early data from ZW191 encouraging and indicated ongoing discussions with potential partners [70][71]. Question: Correlation between H-score and PS2 plus scoring methodologies - Management confirmed that H-score is a validated method for evaluating expression levels and correlates well with PS2 plus scores [81][84].

Summary of Xencor XmAb® 819 Initial Phase I Dose Escalation Results Webcast Company and Industry Overview - **Company**: Xencor - **Product**: XmAb® 819 - **Industry**: Oncology, specifically targeting advanced clear cell renal cell carcinoma (ccRCC) Core Points and Arguments 1. **Positive Initial Results**: Xencor announced positive initial results from the Phase I dose escalation study of XmAb® 819 in advanced ccRCC, indicating potential for significant anti-tumor activity in heavily pretreated patients [2][20][29] 2. **T-cell Engager Mechanism**: XmAb® 819 is a first-in-class XmAb® 2+1 T-cell engager targeting ENPP3, designed to selectively engage tumor cells while minimizing effects on normal cells [8][19] 3. **Patient Population**: The study enrolled patients with a median of four prior systemic therapies, with over 36% having prior HIF2 inhibitor therapy, highlighting the advanced nature of the patient population [13][31] 4. **Efficacy Data**: The best overall response rate observed was 25%, with a disease control rate of 70%, which is unprecedented for monotherapy in this heavily pretreated population [20][29] 5. **Safety Profile**: The drug was well tolerated, with a low rate of adverse events (AEs) and only 4% of patients discontinuing due to AEs. The most common AEs included cytokine release syndrome (CRS), rash, and gastrointestinal symptoms [14][18][50] 6. **Dosing Strategy**: The study utilized a priming step followed by a target dose regimen, with pharmacokinetic (PK) profiles supporting biweekly dosing after the first cycle [10][12] 7. **Market Potential**: The global drug sales for renal cell carcinoma are projected to reach $12 billion by 2030, indicating a significant market opportunity for XmAb® 819 [27] 8. **Future Development**: Xencor plans to explore additional development opportunities in other tumor types expressing ENPP3, such as papillary renal cell, colorectal, and lung cancer [31] Additional Important Content 1. **Forward-Looking Statements**: The management made forward-looking statements regarding future product offerings and market conditions, emphasizing the uncertainty and risks involved [3][4] 2. **Dose Preparation Issues**: Initial dose preparation errors led to elevated drug levels and increased rates of CRS, but corrective measures have been implemented to prevent future occurrences [16][52] 3. **Combination Therapy Potential**: There is optimism about the potential for XmAb® 819 to be used in combination therapies, particularly as the drug shows promise in managing AEs and maintaining patient quality of life [25][66] 4. **Clinical Trial Dynamics**: Enrollment has accelerated as the study progresses, with a waitlist for patients indicating strong interest in the trial [55][56] 5. **Next Steps**: Xencor aims to establish a recommended Phase III dose for XmAb® 819 by 2026 and will continue to evaluate the drug's performance in various cohorts [26][79] This summary encapsulates the key points from the conference call regarding XmAb® 819, its clinical trial results, market potential, and future development strategies.

XmAb819 Clinical Trial - Key Findings - The Phase 1 dose-escalation study of XmAb819 in ccRCC showed a manageable safety profile, with most CRS events being Grade 1/2 and occurring during priming [47, 51, 136] - Correct dose preparation resulted in 4% Grade 3 CRS (2/51), while dose preparation errors led to 28% Grade 3 CRS (5/18) [40, 136] - In the target dose range, correct dose preparation resulted in 6% Grade 3 CRS (1/18), while dose preparation errors led to 50% Grade 3 CRS (3/6) [40, 136] - XmAb819 demonstrated an objective response rate (ORR) of 25% (95% CI: 9-49) and a disease control rate (DCR) of 70% (95% CI: 46-88) in the efficacy-evaluable target dose range (N=20) [55, 89, 125] - The median number of prior regimens for patients in the XmAb819 study was 4 (range: 1-8), with 70% having received ≥3 prior regimens [35, 89, 119] XmAb819 Development & Market Opportunity - Xencor is planning to start a pivotal study of XmAb819 as monotherapy in advanced ccRCC in 2027 [79, 104] - The global RCC market is expected to reach approximately $12 billion by 2030 [80] - In the U S, there are approximately 60,000 new cases of ccRCC per year [84] XmAb541 Early Results - Early data from the Phase 1 dose escalation study of XmAb541 showed promising anti-tumor activity in advanced ovarian cancer, endometrial cancer, and germ cell tumors [4, 93, 97] - The total sales in 1H25 for ovarian cancer drugs were $338 million, and for endometrial cancer drugs were $196 million [100]

WCLC 2025 Highlights DAIICHI SANKYO CO., LTD. September 17th (US)/ 18th (JP), 2025 Forward-Looking Statements Management strategies and plans, financial forecasts, future projections and policies, and R&D information that Daiichi Sankyo discloses in this material are all classified as Daiichi Sankyo's future prospects. These forward looking statements were determined by Daiichi Sankyo based on information obtained as of today with certain assumptions, premises and future forecasts, and thus, there are vario ...