Alumis Inc. · NASDAQ:ALMS

Alumis — Technical Presentation (May 2026)

21 slides from Alumis's technical presentation, May 14, 2026

  1. Slide 1: Envudeucitinib (ESK-001) in Moderate-to-Severe Plaque Psoriasis: 24-Week Phase 3 Results

    Envudeucitinib (ESK-001) in Moderate-to-Severe Plaque Psoriasis: 24-Week Results From the Randomized, Double-Blind, Active Comparator- and Placebo- Controlled, Phase 3 ONWARD1 and 2 Studies Andrew Blauvelt1, Howard Sofen2, April Armstrong3, Benjamin Ehst4-6, Jennifer Soung7, Maryam Shayesteh Alam8,

  2. Slide 2: Disclosures

    Disclosures 〉 Presenting author: AB has served as a speaker for and received honoraria from Almirall, Eli Lilly, LEO Pharma, Sanofi, and UCB; has served as a scientific adviser for and received honoraria from AbbVie, Almirall, Alumis Inc., Amgen, AnaptysBio, Apogee Therapeutics, Arcutis Biotherapeut

  3. Slide 3: Envudeucitinib: A Next-Generation TYK2i for Moderate-to-Severe Psoriasis

    Envudeucitinib: A Next-Generation TYK2i for Moderate-to-Severe Psoriasis 〉 Envudeucitinib, a next-generation, oral, allosteric TYK2i, provides maximal inhibition over a 24-hour period in patients with psoriasis1,2 〉 STRIDE Phase 2 and its open-label extension results demonstrated the favorable benef

  4. Slide 4: ONWARD1 and ONWARD2: Study Designs and Endpoints

    ONWARD1 and ONWARD2: Study Designs and Endpoints Coprimary Endpoints (vs Placebo) 〉 PASI 75 ONWARD1 and ONWARD2a 〉 sPGA-0/1 Key Secondary Endpoints (vs Placebo or Apremilast) 〉 PASI 75/90/100 Envudeucitinib 40 mg BID (n = 459; 433) Rollover to 2:1:1 Randomization 〉 sPGA-0/1 〉 Change from baseline in

  5. Slide 5: Baseline Demographics and Disease Characteristics Were Balanced Across Arms

    Baseline Demographics and Disease Characteristics Were Balanced Across Arms and Representative of a Typical Moderate-to-Severe Population ONWARD1 ONWARD2 Envudeucitinib Apremilast Envudeucitinib Apremilast 40 mg BID Placebo 30 mg BID 40 mg BID Placebo 30 mg BID n = 459 n = 230 n = 223 n = 433 n = 21

  6. Slide 6: Robust and Statistically Significant PASI Response Rates at Week 16

    Robust and Statistically Significant PASI Response Rates at Week 16 Almost 30% of patients receiving envudeucitinib achieved PASI 100 at Week 16 ONWARD1 ONWARD2 Envudeucitinib 40 mg BID (n = 459) Placebo (n = 230) Apremilast 30 mg BID (n = 223) Envudeucitinib 40 mg BID (n = 433) Placebo (n = 211) Ap

  7. Slide 7: Sustained and Continued PASI Response Rates Through Week 24

    Sustained and Continued PASI Response Rates Through Week 24 Approximately 65% and 40% of patients achieved PASI 90 and PASI 100 with envudeucitinib at Week 24 ONWARD1 ONWARD2 Envudeucitinib 40 mg BID (n = 459) Placebo (n = 230) Apremilast 30 mg BID (n = 223) Envudeucitinib 40 mg BID (n = 433) Placeb

  8. Slide 8: Rapidly Increasing, Statistically Significant PASI 90 Response Rates

    Envudeucitinib Resulted in Rapidly Increasing, Statistically Significant PASI 90 Response Rates vs Placebo and Apremilast Early onset of action: separation vs placebo observed at Week 4 ONWARD1 ONWARD2 Envudeucitinib 40 mg BID (n = 459) Placebo (n = 230) Apremilast 30 mg BID (n = 223) Envudeucitinib

  9. Slide 9: Robust and Progressive Improvement in PASI 100 Response Rates Over Time

    Envudeucitinib Demonstrated Robust and Progressive Improvement in PASI 100 Response Rates Over Time Approximately 40% complete skin clearance at Week 24 without evidence of plateau ONWARD1 ONWARD2 Envudeucitinib 40 mg BID (n = 459) Placebo (n = 230) Apremilast 30 mg BID (n = 223) Envudeucitinib 40 m

  10. Slide 10: Significant sPGA-0/1 and sPGA-0 Responses

    Envudeucitinib Demonstrated Significant sPGA-0/1 and sPGA-0 Responses Approximately 60% and 30% of patients receiving envudeucitinib achieved sPGA-0/1 and sPGA-0 at Week 16, and responses continued to improve through Week 24 ONWARD1 ONWARD2 Envudeucitinib 40 mg BID (n = 459) Placebo (n = 230) Apremi

  11. Slide 11: Visible Skin Improvement by Week 2 With Envudeucitinib

    Visible Skin Improvement by Week 2 With Envudeucitinib Week Week 0 2 Week Week 8 16 11 Patient with severe disease (PASI, 22.3; sPGA, 4) at baseline. PASI, Psoriasis Area and Severity Index; sPGA, static Physician’s Global Assessment. Envudeucitinib is investigational; not yet reviewed by regulatory

  12. Slide 12: Envudeucitinib Resulted in Rapid and Significant Skin Improvement

    Envudeucitinib Resulted in Rapid and Significant Skin Improvement Week Week 0 2 Week Week 8 16 12 Patient with moderate disease (PASI, 12.4; sPGA, 3) at baseline. PASI, Psoriasis Area and Severity Index; sPGA, static Physician’s Global Assessment. Envudeucitinib is investigational; not yet reviewed

  13. Slide 13: Substantial Skin Improvement Achieved After Switching to Envudeucitinib in 8 Weeks

    Substantial Skin Improvement Achieved After Switching to Envudeucitinib in 8 Weeks Placebo  Envudeucitinib Week 0 Week 16 Week 24 Patient with severe disease at baseline (PASI, 31.8; sPGA, 4) who crossed over from placebo to envudeucitinib at Week 16. PASI, Psoriasis Area and Severity Index; sPGA,

  14. Slide 14: Rapid, Significant, and Sustained Scalp Psoriasis Improvement With Envudeucitinib

    Rapid, Significant, and Sustained Scalp Psoriasis Improvement With Envudeucitinib Approximately 3 in 4 patients receiving envudeucitinib achieved ss-PGA-0/1a at Week 24, with over 30% response as early as Week 4 ONWARD1 ONWARD2 Envudeucitinib 40 mg BID (n = 274) Placebo (n = 135) Apremilast 30 mg BI

  15. Slide 15: Envudeucitinib Rapidly Reduced Itch With Deepening Response Over Time

    Envudeucitinib Rapidly Reduced Itch With Deepening Response Over Time On average ˃4-point mean decrease from baseline in worst pruritus NRS by Week 12, with continued symptom improvement over time ONWARD1 ONWARD2 Week Week 0 4 8 12 16 20 24 0 4 8 12 16 20 24 Worst Pruritus NRS, Δ Baseline, LSM (95%

  16. Slide 16: Envudeucitinib Treatment Significantly Improved Patient Quality of Life

    Envudeucitinib Treatment Significantly Improved Patient Quality of Life Approximately 50% of patients receiving envudeucitinib reported DLQI-0/1a by Week 12, with continued improvement through Week 24 ONWARD1 ONWARD2 Envudeucitinib 40 mg BID (n = 424) Placebo (n = 211) Apremilast 30 mg BID (n = 207)

  17. Slide 17: Benefits in Itch Reduction and Quality of Life Visible Before Skin Clearance

    Benefits in Itch Reduction and Quality of Life Visible Before Skin Clearance Patients receiving envudeucitinib showed robust, early improvements in DLQI and itch that preceded PASI 90 responses ONWARD1 ONWARD2 Envudeucitinib 40 mg BID Envudeucitinib 40 mg BID 80 0 80 0 Itch Δ Baselinea (95% CI) Itch

  18. Slide 18: ONWARD1 and ONWARD2 Pooled Safety Through Week 16

    ONWARD1 and ONWARD2 Pooled Safety Through Week 16 Through Week 16 Envudeucitinib Apremilast 40 mg BID Placebo 30 mg BID n (%) n = 890 n = 441 n = 438 ≥1 TEAE 524 (58.9) 166 (37.6) 223 (50.9) ≥1 SAE 19 (2.1) 5 (1.1) 5 (1.1) TEAE leading to treatment 30 (3.4) 7 (1.6) 9 (2.1) discontinuation TEAE grade

  19. Slide 19: ONWARD1 and ONWARD2 Pooled Safety Through Weeks 16 and 24

    ONWARD1 and ONWARD2 Pooled Safety Through Weeks 16 and 24 Through Week 16 Through Week 24 Envudeucitinib Placebo to Overall Envudeucitinib Apremilast 40 mg BID Envudeucitinib Envudeucitinib Apremilast 40 mg BID Placebo 30 mg BID only 40 mg BID 40 mg BID 30 mg BID n (%) n = 890 n = 441 n = 438 n = 89

  20. Slide 20: Conclusions: Envudeucitinib delivered early and progressively deepening skin clearance

    Envudeucitinib, a next-generation TYK2i, delivered early and progressively deepening skin clearance, with meaningful improvements in patient-reported outcomes in ONWARD1 and 2 〉All primary and secondary efficacy endpoints met, with approximately 65% and 40% of patients receiving envudeucitinib achie

  21. Slide 21: Acknowledgments

    Acknowledgments 〉 The Authors thank the patients and their families for their participation and the study sites and teams for their facilitation of the ONWARD clinical studies 〉 The Authors thank Komal Bawa, PharmD, of Alumis Inc., for assistance with data publication and editorial review. Writing a

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