Core Insights - Cullinan Therapeutics is advancing its CLN-978 program across three active Phase 1 studies targeting systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), and Sjögren's disease, while also in-licensing the BCMA-directed bispecific T cell engager velinotamig from Genrix Bio [1][2][4] - The company reported a net loss of $70.1 million for Q2 2025, compared to a net loss of $42.0 million for the same period in 2024, indicating increased operational expenses [9][13] - Cullinan has a strong cash position of $510.9 million as of June 30, 2025, providing a runway into 2028 for ongoing and future projects [9][10] Immunology Updates - The global Phase 1 study for CLN-978 in moderate to severe SLE is currently enrolling in the U.S., Europe, and Australia, with initial safety and B cell depletion data expected in Q4 2025 [4] - The Phase 1 study for active, difficult-to-treat RA is enrolling in Europe, with initial data anticipated in the first half of 2026 [4] - The Phase 1 study for moderate to severe Sjögren's disease is also enrolling in the U.S. and Europe following regulatory approval [4] Oncology Developments - Results from the pivotal Phase 2b portion of the REZILIENT1 study of zipalertinib were shared at the 2025 ASCO Annual Meeting, with further data expected at upcoming medical conferences [3][8] - Taiho Oncology plans to submit a New Drug Application (NDA) for zipalertinib in relapsed EGFR ex20ins NSCLC by the end of 2025, with enrollment for the pivotal REZILIENT3 study expected to complete in the first half of 2026 [3][8] - Clinical data for CLN-049, targeting relapsed/refractory acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS), is set to be shared in Q4 2025 [8] Corporate Governance - The company appointed Dr. Mittie Doyle and Dr. Andrew Allen to its Board of Directors, effective August 7, 2025, bringing significant expertise in immunology and oncology [6] - Drs. Anne-Marie Martin and David Ryan will resign from the Board effective the same date [6] Financial Overview - Research and development expenses for Q2 2025 were $61.0 million, up from $36.3 million in Q2 2024, reflecting increased investment in clinical programs [9][13] - General and administrative expenses rose to $14.8 million in Q2 2025 from $13.8 million in the same period last year [13] - The total operating expenses for Q2 2025 were $75.8 million, compared to $50.0 million in Q2 2024 [13]

Acquisition of Velinotamig - Cullinan Therapeutics is licensing velinotamig (BCMAxCD3) from Genrix Bio for global (ex-Greater China) rights across all indications[8] - Cullinan will pay Genrix Bio an upfront license fee of $20 million[40] - Genrix Bio is eligible to receive up to $292 million in development and regulatory milestones and $400 million in sales-based milestones[41] - Genrix Bio will also be eligible for tiered royalties from mid-single digits up to the mid-teens on potential ex-Greater China commercial sales[40] Velinotamig Clinical Development - Genrix Bio plans to initiate a Phase 1 study in China in autoimmune diseases later this year, with Cullinan planning to use the data to accelerate global clinical development[8, 27] - Velinotamig has Breakthrough Therapy Designation in China for relapsed/refractory multiple myeloma[27] - Phase 1 results of velinotamig in relapsed/refractory multiple myeloma showed an Overall Response Rate (ORR) of 85.4% at the RP2D target dose[30] - In the Phase 1 trial, 89.6% of patients experienced Cytokine Release Syndrome (CRS) of any grade, with 6.3% experiencing ≥Grade 3 CRS[34] Strategic Rationale - The acquisition complements Cullinan's CLN-978 (B cell depleter) and expands the opportunity to impact more patients across a broader range of autoimmune diseases[8] - Cullinan reiterates guidance to have cash resources into 2028 based on the current operating plan[8, 41]

Core Insights - Cullinan Therapeutics has advanced its leadership in T cell engager (TCE) development for autoimmune diseases, with both a CD19 TCE and BCMA TCE in its pipeline [1] - The company has strengthened its portfolio of autoimmune programs, aiming to address a broader range of diseases while ensuring cash runway into 2028 [1][5] - Cullinan has entered into an agreement with Genrix Bio for an exclusive global license to velinotamig, a BCMAxCD3 bispecific T cell engager, which has shown promising efficacy in treating relapsed/refractory multiple myeloma [2][3] Company Developments - Velinotamig has demonstrated potential best-in-class efficacy at the Phase 2 target dose in nearly 50 patients with relapsed/refractory multiple myeloma [2] - The agreement includes an upfront license fee of $20 million, with potential future payments of up to $292 million in development and regulatory milestones, plus up to $400 million in sales-based milestones [4] - Cullinan plans to leverage data from Genrix's Phase 1 study in China to accelerate global clinical development of velinotamig in autoimmune diseases [3][4] Industry Context - T cell engagers are viewed as the next wave of innovation in autoimmune diseases, with BCMA as a promising target for a precise and potentially disease-modifying approach [3] - The collaboration with Genrix Bio is expected to enhance Cullinan's capabilities in developing therapies for autoimmune diseases, addressing the needs of a wider patient population [4][10]