Caribou Biosciences, Inc. · NASDAQ:CRBU

Caribou Biosciences — Technical Presentation (2026)

16 slides from Caribou Biosciences's technical presentation, 2026

  1. Slide 1: Vispa-cel, an allogeneic anti-CD19 CAR-T cell therapy with a PD-1 knockout, in r/r B-NHL

    Vispa-cel, an allogeneic anti-CD19 CAR-T cell therapy with a PD-1 knockout, in patients with relapsed/refractory B cell non-Hodgkin lymphoma Long-term follow-up results from the ANTLER phase 1 trial Stephen J. Schuster, Houston Holmes, James Essell, Ayad Hamdan, Boyu Hu, Elizabeth Brem, Rushang Pate

  2. Slide 2: Disclosures

    Disclosures Advisory board for AbbVie, ADC Therapeutics, AstraZeneca, BeiGene, BMS, Caribou, Genentech/Roche, Genmab, Janssen, Novartis, and Vittoria Bio Consultant for AstraZeneca, BioNTech, Caribou, Genmab, Incyte, and Novartis Research support from AstraZeneca, BMS, Genentech/Roche, Genmab, and N

  3. Slide 3: Most 2L LBCL patients do not receive treatment with curative intent

    Most 2L LBCL patients do not receive treatment with curative intent No time to wait due to rapid disease 75% progression or CAR-T manufacturing failure Geographic, financial, socioeconomic, or of 2L LBCL patients insurance issues impact CAR-T accessibility do not receive autologous CAR-T cell therap

  4. Slide 4: Vispa-cel: a differentiated allogeneic CAR-T cell therapy for 2L LBCL

    Vispa-cel: a differentiated allogeneic CAR-T cell therapy for 2L LBCL PD-1 knockout Optimized vispa-cel includes: Enhances T cell fitness and • Young donor age (<30 years old) antitumor activity 1,2 • HLA matched to ≥2 alleles Single infusion of optimized vispa-cel Vispa-cel demonstrates efficacy, s

  5. Slide 5: 85 patients dosed with vispa-cel in ANTLER trial

    85 patients dosed with vispa-cel in ANTLER trial Eligibility • Dose escalation: third- or later-line or primary refractory aggressive r/r B-NHL1 Vispa-cel dose levels evaluated • Dose expansion: second-line LBCL 2 (primary refractory disease or • 40, 80, and 120x10 6 CAR-T cells relapse ≤12 months a

  6. Slide 6: ANTLER subgroups

    ANTLER subgroups R/R B-NHL Total treated 40M, 80M, 120M CAR-T cells N=85 Optimized vispa-cel 2L and 3L+ LBCL N=35 40M, 80M, 120M CAR-T cells Young donor (<30 yo) 2+ HLA matching 2L LBCL 80M CAR-T cells Pivotal optimized vispa-cel Young donor (<30 yo) N=27 2+ HLA matching This subgroup best represent

  7. Slide 7: Patient and disease characteristics in ANTLER (N=85)

    Patient and disease characteristics in ANTLER (N=85) All treated patients Optimized vispa-cel1 Pivotal optimized vispa-cel2 Baseline characteristics (All patients) (2L LBCL, RP2D) N=85 N=35 N=27 Age, years, median (range) 66 (20-86) 63 (20-86) 66 (20-86) Age ≥ 65 years, n (%) 45 (53) 17 (49) 14 (52)

  8. Slide 8: Optimized vispa-cel delivered durable, long-term efficacy in ANTLER

    Optimized vispa-cel delivered durable, long-term efficacy in ANTLER 100 100 80 100 Progression-free survival Optimized vispa-cel1 Pivotal optimized vispa-cel2 (All patients) (2L LBCL, RP2D) (%) Rate (%) 80 60 80 N=35 N=27 50 ORR 83% 82% Survival Median PFS = 17.1 mo Survival rate (%) 60 40 60 CR rat

  9. Slide 9: Single 80M dose of pivotal optimized vispa-cel drives long-term, potentially curative responses

    Single 80M dose of pivotal optimized vispa-cel in 2L LBCL patients drives long-term, potentially curative responses Pt ID HLA 008-104 2 1 013-002 3 2 016-002 3 3 034-001 5 4 204-001 2 5 202-003 9 6 202-007 5 7 Pivotal optimized vispa-cel 035-007 5 8 035-005 2 9 (N=27) 1 025-005 7 10 026-003 5 11 ORR

  10. Slide 10: Vispa-cel has a generally well-tolerated safety profile

    Vispa-cel has a generally well-tolerated safety profile Enables outpatient administration and further expansion to community sites Vispa-cel All treated patients Optimized vispa-cel Pivotal optimized vispa-cel N=85 (All patients) (2L LBCL, RP2D) N=351 N=272 All grade ≥Gr 3 All grade ≥Gr 3 All grade

  11. Slide 11: Rapid hematologic and immunologic recovery after vispa-cel

    Rapid hematologic and immunologic recovery after vispa-cel contributes to generally well-tolerated safety profile B cell, T cell, and NK cell depletion Absolute neutrophil and platelet count and recovery to baseline levels in optimized cohort recovery to Grade ≤2 1.0 T cells 0.8 Probability of recov

  12. Slide 12: CAR-T cell expansion and functional persistence correlate with duration of response and HLA match level

    CAR-T cell expansion and functional persistence correlate with duration of response and HLA match level All patients who received optimized vispa-cel HLA match level (<2 vs ≥2) impact on PK for N=351 vispa-cel manufactured from young donor T cells N=54 Response ≥3 months HLA match ≥ 2 (N=35) Progres

  13. Slide 13: Next steps for vispa-cel in 2L LBCL

    Next steps for vispa-cel in 2L LBCL • Vispa-cel is a potential paradigm shift towards an off-the-shelf, scalable, CAR-T approach in 2L LBCL patients that achieves durable remissions • Vispa-cel can overcome the logistical barriers of auto CAR-T and the need for continuous infusions of bispecific ant

  14. Slide 14: ANTLER-3: phase 3 randomized pivotal trial design

    ANTLER-3: phase 3 randomized pivotal trial design Inclusion criteria: Investigator’s choice of SOC regimens3 with 1:1 randomization • 2L LBCL1 crossover to vispa-cel Primary endpoint: Screening • CD19-naïve PFS, interim analysis 5 planned permitted after PD N~250 • Relapse (early or late) or refract

  15. Slide 15: ANTLER phase 1 trial conclusions

    ANTLER phase 1 trial conclusions • Vispa-cel is a differentiated allogeneic CAR-T cell therapy ✓ PD-1 knockout potentially contributes to enhanced antitumor activity ✓ Donor age and partial HLA matching improve clinical outcomes • Long-term durable remissions demonstrated after a single infusion of

  16. Slide 16: Gratitude for our patients, caregivers, investigators, and site staff

    Gratitude for our patients, caregivers, investigators, and site staff ANTLER trial sites in US OHSU Tufts Israel - ANTLER NYU Langone Hadassah University Hospital MCW Montefiore Rabin Medical Center Hackensack Tel Aviv Sourasky Medical Center Univ of Atlantic Health The Sheba Fund for Health Service

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