Cullinan Therapeutics Highlights Fourth Quarter 2026 Milestones Across Immunology and Oncology T Cell Engager Portfolio

Velinotamig (BCMA TCE) multi-dose regimen data in SLE at ACR Convergence 2026 in November 

CLN-978 (CD19 TCE) multi-dose regimen data in SLE, RA and Sjögren's disease in December

CLN-049 (FLT3 TCE) updated data from the Phase 1 dose escalation study in December

XRQfe5_TC0_vIXw2gxxwxELYluQDVscixst_PQFIxFcEMEOx-EVerpDAaJs_QKxnzbcawWyfVkqGdVDJi4wrmevoKRhUdxEzx1zloV_xrQe8DtC8SmNDxYB-4q89e2LjIn2SCehEzvSZ0q57Hh_7pQ7606psi4AV-f5hn59gTffMBrNoxZtroOd6mrURKaZ46P8RJ_tbdVjCCKvhKtkw0LJosyqFWotVhZMfg4QstJ0lROpc9BEKg3v8prIJrqLuXS2vKVTrajQ==" target="_blank" rel="nofollow">XRQfe5_TC0_vIXw2gxxwxELYluQDVsch4AdB_SrsQYrCSqc0erza_TlvtW1wpQinbqmBTz1vhTOFXpHQoE2C9POy6UG0Q7-kS8-9arB9kXMRy46fkSx3l" target="_blank" rel="nofollow">Cullinan Therapeutics, Inc. (Nasdaq: CGEM; "Cullinan"), a clinical-stage biopharmaceutical company accelerating potential first- or best-in-class, disease-modifying T cell engagers in autoimmune diseases and cancer, today outlined fourth quarter 2026 milestones across its immunology and oncology pipeline.

"We look forward to providing several updates across our T cell engager programs in the fourth quarter of 2026. Starting with autoimmune diseases, for CLN-978 we look forward to sharing the most comprehensive clinical data set to date for a CD19 T cell engager across all indications, with multi-dose regimen data reported concurrently for SLE, RA, and now Sjögren's disease also. For velinotamig, we will provide multi-dose regimen data from the ongoing Phase 1 dose escalation study as we advance the program in plasma cell driven diseases. Together, our CD19- and BCMA-targeted programs reflect a differentiated approach to treating autoimmune diseases, aiming to address distinct disease drivers across a broad range of conditions. For CLN-049, we plan to provide an update with longer follow up from the dose escalation portion of our ongoing Phase 1 study in a broad, all-comer population of relapsed/refractory AML patients. We look forward to rapidly progressing this program and initiating our potentially registrational Phase 2 study, following our recent successful meeting with the FDA," said Nadim Ahmed, President and CEO of Cullinan Therapeutics.

The Company plans to share the following immunology and oncology pipeline updates in Q4 2026:

• CLN-978 (CD19xCD3 T cell engager): treatment-refractory moderate to severe systemic lupus erythematosus (SLE), difficult-to-treat rheumatoid arthritis (RA), and treatment-refractory moderate to severe Sjögren's disease (SjD)
  • Multi-dose and single target dose regimen data in SLE, RA, and SjD in December

• Velinotamig (BCMAxCD3 T cell engager): treatment-refractory autoimmune diseases driven by long-lived plasma cells
  • Multi-dose regimen data from the ongoing Genrix Bio Phase 1 dose escalation study in SLE to be shared in poster session at ACR Convergence 2026 on November 8, 2026, 10:30 a.m. to 12:30 p.m. ET

• CLN-049 (FLT3xCD3 T cell engager): relapsed/refractory acute myeloid leukemia (AML)
  • Updated data from the dose escalation portion of the Phase 1 study in December
    
    

About Cullinan Therapeutics

Cullinan Therapeutics, Inc. (Nasdaq: CGEM) is a biopharmaceutical company developing potential first- or best-in-class, disease-modifying T cell engagers for autoimmune diseases and cancer. Cullinan pursues promising therapeutic targets while leveraging core expertise in T cell engagers, which are established in oncology and are now advancing into autoimmune diseases. With a clinical-stage pipeline built on a rigorous scientific approach and purposeful innovation, Cullinan is advancing its mission to deliver new standards of care for patients. Learn more about Cullinan at https://cullinantherapeutics.com/, and follow Cullinan on LinkedIn and X.

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Contacts:

Investors
Nick Smith
+1 401.241.3516
nsmith@cullinantx.com

Media 
Rose Weldon
+1 215.801.7644
rweldon@cullinantx.com