Galectin Therapeutics Inc. · NASDAQ:GALT

Galectin Therapeutics — Investor Presentation (November 2025)

54 slides from Galectin Therapeutics's investor presentation, Nov 10, 2025

  1. Slide 1: Galectin Therapeutics Corporate Overview November 2025

    Galectin TherapeuticsCorporate OverviewNovember 2025

  2. Slide 2: Forward-Looking Statements

    Forward-Looking Statements This presentation contains, in addition to historical information, forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements relate to future events or future financial performance and use words such as “may,” “

  3. Slide 3: Investment Highlights

    Belapectin is a novel, potent, galectin-3 inhibitor with Fast Track Designation Low toxicity as a carbohydrate-based molecule which is degraded by natural processes Patent protection through 2032 Only company to exclusively focus on treatment for MASH cirrhosis and portal hypertension Significant ef

  4. Slide 4: Highly Experienced Leadership Team

    4 Highly Experienced Leadership Team Over 32 years of public and private company experience including more than a decade of audit, tax and SEC registrant experience with a major accounting firm. JACK W. CALLICUTT Chief Financial Officer SETH ZUCKERMANSenior Director, Biostatistics JESSICA KOPACZEWSK

  5. Slide 5: Laser-Focused Pipeline

    Clinical Program Development Stage Drug Indication Discovery Preclinical Phase 1 Phase 2 Phase 3 Fibrosis Belapectin MASH Cirrhosis and Portal Hypertension Cancer Immunotherapy (Combination therapy) Belapectin + Keytruda Melanoma + Head / Neck Cancer Oral Galectin-3 Inhibitors Discovery program to i

  6. Slide 6: Galectin-3 is a Promising Therapeutic Target in Inflammatory and Fibrotic Diseases

    Galectin 3 is part of the galectin family of sugar-binding proteins that act as a “molecular glue”, it is: Predominantly produced by activated macrophages Involved in a wide number of biological and pathological processes Galectin-3 recruits macrophages to injury sites and promotes chronic inflammat

  7. Slide 7: Belapectin: a Proprietary Galectin-3 Inhibitor with Low Toxicity and Anti-fibrotic Activity

    Belapectin is a polysaccharide polymer comprising galacturonic acid, galactose, arabinose, rhamnose and smaller amounts of other sugars Belapectin Preclinical Data: In animal models of MASH (streptozotocin High-Fat Diet mice1) and cirrhosis (thioacetamide treated rats2) belapectin was associated wit

  8. Slide 8: MASH Cirrhosis

    MASH Cirrhosis 8

  9. Slide 9: MASH disease overview and risk factors

    Metabolic dysfunction-associated steatohepatitis (MASH), previously known as non-alcoholic steatohepatitis (NASH), is characterized by fat accumulation, inflammation and fibrosis of the liver1 3%-5% of the global population is estimated to be affected by MASH, though the disease is considered to be

  10. Slide 10: Belapectin First- and Best-in-Class Potential in MASH Cirrhosis

    10 Belapectin is a Novel Therapy with First- and Best-in-Class Potential in MASH Cirrhosis 3rd Party Market Opportunity Assessment Suggests1 Potential 35-100% Adoption Rate Limited current treatment options: Cirrhotic management focuses on stabilization and delaying progression Management directed t

  11. Slide 11: When to Intervene in Cirrhosis - Before It's Too Late

    HPVG=hepatic venous pressure gradient. There are no approved therapies to reverse portal hypertension once it develops in MASH Cirrhosis 11 When to Intervene in Cirrhosis- before its too late! Compensated cirrhosis Decompensated cirrhosis No Portal Hypertension Portal Hypertension Stage 2 Stage 3 an

  12. Slide 12: Phase 2b Study of Belapectin in Patients with MASH Cirrhosis: GT-026 Trial

    12 Phase 2b Study of Belapectin in Patients with MASH Cirrhosis: GT-026 Trial Main inclusion criteria MASH cirrhosis (biopsy) Portal Hypertension: HVPG ≥ 6 mmHg No cirrhosis complications No varices/varices (50:50) Primary endpoint Portal pressure (HPVG) change from baseline to Week 54 Secondary end

  13. Slide 13: Belapectin Impact on HVPG at One Year

    13 Belapectin Impact on HPVG at One Year1,* HVPG = Hepatic Venous Pressure Gradient; LBM=lean body mass, N.S.=non significant. *ITT with LOCF, ANCOVA with baseline as covariate and treatment as factors, Bonferroni-Holm.1. Chalasani N, et al. Gastroentrol. 2020;158:1334-45. N.S. N.S. Baseline 1 year

  14. Slide 14: Belapectin Reduces Emergence of Varices in Patients with MASH Cirrhosis

    14 Belapectin Reduces Emergence of Varices in Patients with MASH Cirrhosis1,* Significantly fewer new varices on belapectin vs placebo No patients on 2 mg/kg/LBM developed new varices Belapectin demonstrated efficacy on a clinically-meaningful endpoint where no current therapies exist LBM=lean body

  15. Slide 15: NAVIGATE Trial Design

    15 NAVIGATE Trial Design Placebo n=119 Screen Belapectin 2 mg/kg/LBM Q2W n=119 78 Weeks Belapectin 4 mg/kg/LBM Q2W n=119 Randomize (N=357 1:1:1) Trial Design Patient Population MASH cirrhosis based on Liver Forum Recommended Criteria for Clinical Trials1 Diagnosis of Portal Hypertension as per Baven

  16. Slide 16: NAVIGATE patient population and endpoints

    MASH cirrhosis No varices on EGD CTP Scores <7 Evidence of Portal hypertension: Platelet count <150,000/mm3 Or at least two of the following AST/ALT > 1 Spleen ≥ 14 cm Collaterals by imaging Stiffness ≥ 20 kPa Development of new varices (composite strategy) in ITT population Incidence of Varices in

  17. Slide 17: Key Populations for Assessment of Varices Outcome

    17 Key Populations for Assessment of Varices Outcome ITT population- All randomized subjects minus two subjects who had varices at baseline; Per-Protocol or completer population- All subjects who completed 18 month of therapy and had an EGD at baseline and 18 months Subject were required to complete

  18. Slide 18: NAVIGATE Trial: Baseline Demographics

    18 NAVIGATE Trial: Baseline Demographics Baseline Demographics and Clinical Characteristics (N=355) Placebo (N = 118) Belapectin 2 mg (N = 119) Belapectin 4 mg (N = 118) Mean (Standard Deviation) Mean (Standard Deviation) Mean (Standard Deviation) Age (years) 60.4 (8.50) 60.6 (8.82) 59.0 (9.14) Gend

  19. Slide 19: NAVIGATE 18-Month Primary Analyses Result – ITT Population

    NAVIGATE 18-Month Primary Analyses Result – ITT Population Intent to Treat (ITT) -All randomized subjects Primary end point composite strategy i.e. new varices and/or intercurrent events or drop out Intercurrent events (ICEs) include; Liver related clinical events, AE leading to discontinuation, TIP

  20. Slide 20: NAVIGATE: Intercurrent Events breakdown by category

    Key points 20 NAVIGATE: Intercurrent Events breakdown by category n = 118 Subject % Intercurrent Event Category No subject met intercurrent event category for Trans-jugular intrahepatic portosystemic shunt(TIPS) or ≥12-month use of non-selective beta-blocker NSBB ITT Population 6.3% subjects receive

  21. Slide 21: Significantly Lower Incidence of Varices in Completers at 18 months

    Key points NAVIGATE: Significantly Lower Incidence of Varices in Completers at 18 months N = 97 N = 98 N = 95 n = 94 n =97 n = 96 p=0.04 p=0.13 Number of subjects Subjects with new varices NAVIGATE 18-month Primary Analyses Result; Per protocol population n= 287 Completer/Per Protocol: All ITT subje

  22. Slide 22: Incidence of Varices by Size at 18 months

    Key points NAVIGATE: Incidence of Varices by Size at 18-months Number of subjects with new varices Subjects with new varices New varices at 18 months in Per Protocol Population Placebo Treatment Group: N = 94 2mg/kg Belapectin Treatment Group: N = 97 4mg/kg Belapectin Treatment Group: N = 96 Varices

  23. Slide 23: Incidence of New Varices was Significantly Lower in Patients in the U.S.

    Incidence of New Varices was Significantly Lower in Patients in the U.S. n=13/62 n=4/60 n=8/64 n=8/32 n=7/37 n=5/ 32 p=0.02 p=0.54 p=0.35 NAVIGATE 18-month; Per protocol population (n=287) p=0.2 23

  24. Slide 24: Use of GLP-1 and Statin was Higher in Patients in the U.S.

    24 Use of GLP-1 and Statin was Higher in Patients in the U.S. 24 Treatment Group Placebo Belapectin 2mg/kg LBM Belapectin 4mg/kg LBM Total U.S. (N=62) (N=60) (N=64) (N=186) Concomitant Use of GLP-1 n (%) 28 (45.2%) 22 (36.7%) 18 (28.1%) 68 (36.6%) Concomitant Use of NSBBs n (%) 5 (7.9%) 3 (5.0%) 3 (

  25. Slide 25: Impact of Concomitant Use of GLP-1 and Statins

    25 Impact of Concomitant Use of GLP-1 and Statins Per-Protocol (n = 287) New Varices at 18 months ≥ 0.5pt ELF Increase YES (n=57) NO (n=229) ≥ 5 kPa LSM Increase Placebo 2mg/kg LBM 4mg/kg LBM Total Yes 18 19 20 57 No 75 78 76 229

  26. Slide 26: Liver Related Outcomes/MACE

    26 Liver Related Outcomes/MACE at 18 months Belapectin Placebo (N = 95) n (%) 2mg/kg LBM (N = 97) n (%) 4mg/kg LBM (N = 98) n (%) Subjects with Composite Clinical Outcomes, n (%) 4 (4.2) 3 ( 3.1) 7 (7.1) Varices (Esophageal or Gastric) Requiring Treatment 3 (3.2) 3 ( 3.1) 3 (3.1) Variceal Bleed Requ

  27. Slide 27: Lack of Dose Response at Higher Doses of Belapectin

    Lack of Dose Response at Higher Doses of Belapectin in GT-026 were also observed in NAVIGATE trial Based on findings from preclinical and clinical trials to date, Belapectin likely demonstrates target-mediated drug disposition (TMDD) Once Galectin-3 binding sites within macrophages are saturated, ad

  28. Slide 28: Reference Guide: Biomarkers and Non-Invasive Scores in MASH Cirrhosis

    28 Reference Guide: Biomarkers and Non-Invasive Scores in MASH Cirrhosis Biomarker Target Biological Process LSM by VCTE Measures fibrosis via transient elastography (ultrasound-based) Non-invasive quantification of liver stiffness reflecting fibrosis severity; used for diagnosis, prognosis, and tre

  29. Slide 29: NAVIGATE: Improvement in LSM - Full Analysis Set

    29 NAVIGATE: Improvement in LSM - Baseline to 18 monthsFull Analysis Set-FAS ITT Population (n: 315) N=97 N=96 Liver Stiffness kPa mean change % Belapectin Placebo 2mg/kg LBM 4mg/kg LBM (N=102) (N=107) (N=106) Baseline LSM Value (kPA) Mean (SD) 23.6 (11.44) 25.1 (15.04) 25.8 (12.91) Median 22.5 21.8

  30. Slide 30: NAVIGATE: Improvement in LSM - Per-Protocol

    NAVIGATE: Improvement in LSM - Baseline to 18 monthsPer-Protocol– Subjects with all available valid LSM Per-Protocol (Completers n: 234) N=97 N=96 Liver Stiffness kPa mean change % Belapectin Placebo 2mg/kg LBM 4mg/kg LBM (N=76) (N=81) (N=77) Baseline LSM Value (kPA) Mean (SD) 22.6 (10.31) 24.6 (13.

  31. Slide 31: Fewer Subjects Showed Worsening in Liver Stiffness Measure

    Gawrieh S. et al. JHep 2024:81.600-608 Belapectin N Placebo 2mg/kg LBM 4mg/kg LBM Total 77 84 79 240 31 Fewer Subjects Showed Worsening in Liver Stiffness Measure - LSM (kPa) FAS with all available data (n = 240)

  32. Slide 32: Fewer Subjects Showed Worsening in Liver Stiffness Measure - Per-Protocol

    32 Fewer Subjects Showed Worsening in Liver Stiffness Measure - LSM (kPa) Per-Protocol with all LSM (n = 234) Gawrieh S. et al. JHep 2024:81.600-608 p 0.09 p 0.03 Belapectin Placebo 2mg/kg LBM 4mg/kg LBM Total N 76 81 77 234

  33. Slide 33: Improvement in Portal Hypertension Risk Category (FAS)

    33 Belapectin Led to Improvement in Portal Hypertension Risk Category Full Analysis Set- FAS (n :240) Probable CSPH LSM ≥20 & platelet <150 or LSM 15-20 & platelet <110; no/low CSPH LSM≤ 15 and platelet≥ 150; Baveno VII Guidelines de Franchis 2022 Jhep FAS with all available data Belapectin 2mg/kg L

  34. Slide 34: Improvement in Portal Hypertension Risk Category in Completer Population

    34 Belapectin Led to Improvement in Portal Hypertension Risk Category in Completer Population Placebo (N:76) Belapectin 2mg/kg LBM (N:81) Belapectin 4mg/kg LBM (N:77) Per Protocol Population (n :234) Probable CSPH LSM ≥20 & platelet <150 or LSM 15-20 & platelet <110; no/low CSPH LSM≤ 15 and platelet

  35. Slide 35: Increase in AGILE-4 score ≥ 20%

    35 Increase in AGILE-4 score ≥ 20% Per protocol population n= 287 N = 95 n = 12 n = 9 n = 9 N = 94 N = 97 N = 96 n = 9

  36. Slide 36: Incidence of Varices by Baseline ELF Categories

    Incidence of Varices at 18 Months by Baseline ELF Categories Per protocol population (n = 279) N = 30 N = 25 N = 25 n = 3/18 n = 3/19 n = 3/17 n = 1/21 n = 3/19 n = 9/50 n = 5/53 n = 6/53 n = 9/21 n = 5/22 n = 4/23 36

  37. Slide 37: Fewer Subjects Progressed to High-Risk ELF Category

    Key points 37 Fewer Subjects Progressed to High-Risk ELF Category (ELF ≥13) ELF Enhanced Liver Fibrosis Score- combined for HA, PIIINP and TIMP-1 ELF: Risk of disease progression. < 9.8 Low risk, ≥11.3 mid risk, highest risk ≥13 Baseline to 18 months Per-Protocol (n=280) Belapectin Baseline ELF Valu

  38. Slide 38: NAVIGATE - Pro-C3 change from Baseline

    38 NAVIGATE- Pro-C3 change from Baseline at 78 Weeks Per Protocol Population (n: 243) Belapectin Placebo 2mg/kg LBM 4mg/kg LBM (N=79) (N=81) (N=83) Baseline Mean 50.19 45.91 43.39 Standard Deviation 38.45 31.58 17.42 Per protocol population with all available Pro-C3 data

  39. Slide 39: NAVIGATE - Pro-C4 change (Per Protocol)

    39 NAVIGATE- Pro-C4 change at 18 month Per Protocol Set (n: 201) Percentage Change in Pro-C4 (Baseline to Week 78) n= 61 n= 73 Belapectin Placebo 2mg/kg LBM 4mg/kg LBM (N=61) (N=73) (N=67) Baseline Mean 8.6 8.6 8.6 Standard Deviation 0.21 0.20 0.23 n= 67

  40. Slide 40: NAVIGATE: Change in Pro-C4

    40 NAVIGATE: Change in Pro-C4 at 18 Month Full Analysis Population (n :204) | Per Protocol Population (n :201) n=8 n=2 n=5 n=8 n=2 n=5 Belapectin Placebo 2mg/kg LBM 4mg/kg LBM Total N, FAS 63 73 68 204 N, PPP 61 73 67 201

  41. Slide 41: Percentage Change from Baseline in YKL-40 (FAS)

    Percentage Change from Baseline in YKL-40 Full Analysis Set (n = 187) n=13 n=23 n=23 n=23 n=23 n=19 Belapectin Placebo 2mg/kg LBM 4mg/kg LBM YKL-40 at Baseline 56.0 68.0 63.0 Mean 5.14 5.02 5.00 Standard Deviation 0.92 0.82 0.78 41

  42. Slide 42: Percentage Change from Baseline in YKL-40 (Per Protocol)

    Percentage Change from Baseline in YKL-40 Per Protocol Set (n = 179) n=21 n=22 n=19 n=12 n=22 n=22 Belapectin Placebo 2mg/kg LBM 4mg/kg LBM YKL-40 at Baseline 52.0 65.0 62.0 Mean 5.11 4.95 4.92 Standard Deviation 0.95 0.94 0.74 42

  43. Slide 43: Belapectin consistently reduced Pro-Inflammatory Markers at 18 months

    Belapectin consistently reduced Pro-Inflammatory Markers at 18 months FAS population N: 143 N = 38 SD = 19.95 N = 58 SD = 10.65 N = 47 SD = 12.61 N = 38 SD = 95.52 N = 58 SD = 84.55 N = 47 SD = 95.80 N = 38 SD = 49.83 N = 58 SD = 39.60 N = 47 SD = 11.79 N = 38 SD = 1.96 N = 58 SD = 1.64 N = 47 SD =

  44. Slide 44: Inflammatory Biomarkers: Role and Function

    44 Inflammatory Biomarkers: Role and Function Biomarker Primary Cellular Source(s) Pathophysiologic Role in MASH / Cirrhosis Fibrosis Association Expected Modulation with Gal-3 Inhibition IL-1β (Pro-inflammatory) Kupffer cells, macrophages, stellate cells Activates inflammasome, promotes hepatocyte

  45. Slide 45: Subjects Clinical Outcomes or MACE (Per Protocol)

    Subjects Clinical Outcomes or MACE at 18 months Per Protocol population Belapectin Placebo (N = 95) n (%) 2mg/kg LBM (N = 97) n (%) 4mg/kg LBM (N = 98) n (%) Subjects with Composite Clinical Outcomes, n (%) 4 (4.2) 3 ( 3.1) 7 (7.1) Varices (Esophageal or Gastric) Requiring Treatment 3 (3.2) 3 ( 3.1)

  46. Slide 46: Safety Summary

    Safety Summary Discontinuation of the study due to Adverse Events was similar across 3 cohorts: 7 (5.9%) in the Pbo 5 (4.2%) in 2 mg/kg Belapectin 8 (6.7%) in 4 mg/kg Belapectin One subject in each of the three cohorts discontinued the study due to death No drug related SAE reported in the entire tr

  47. Slide 47: Assessment of Results

    Assessment of Results Belapectin 2 mg reduced varices incidence by 43.2% compared to placebo in the overall population(ITT); results were not statistically significant. In the per-protocol population/completer (18-month treatment + end-of-treatment EGD), the reduction was 48.9%. Initial sample size

  48. Slide 48: Key Takeaways and Next Steps

    Key Takeaways and Next Steps NAVIGATE enrolled the most advanced patients of recent MASH trials, requiring both MASH cirrhosis and portal hypertension. A robust reduction in new varices was observed in both ITT and completer populations after 18 months of treatment. Non-invasive biomarkers results,

  49. Slide 49: Cancer Immunotherapy Program (Belapectin + checkpoint inhibitor)

    Cancer Immunotherapy Program (Belapectin + checkpoint inhibitor)

  50. Slide 50: Higher Galectin-3 Tumor Levels are Associated with Metastatic Melanoma Progression

    50 Higher Galectin-3 Tumor Levels are Associated with Metastatic Melanoma Progression **p<0.01, ***p<0.001. CR=complete response; HNSCC=head and neck squamous cell carcinoma; MM=metastatic melanoma; PD=progressive disease; PR=partial response; SD=stable disease. 1. Greisen SR, et al. J Immunother Ca

  51. Slide 51: Increased progression-free survival in patients with higher trough level of pembrolizumab

    Increased progression-free survival in patients with higher trough level of pembrolizum1,* 51 Reduced PD-1 Clearance Correlates with Better Survival in Patients with MM and HNSCC Serum trough levels of pembrolizumab in patients with disease control or progressive disease1 Increased trough levels of

  52. Slide 52: Belapectin with Pembrolizumab Showed Clinical Efficacy and Safety in Phase 1

    Phase 1 (Investigator-Initiated) of belapectin + pembrolizumab (Keytruda®) 52 Belapectin in Combination with Pembrolizumab Showed Clinical Efficacy and Safety in Phase 11 Objective response observed in 50% of MM (7/14) and 33% of HNSCC (2/6) patients Extension in more advanced patients showed stable

  53. Slide 53: Investment Highlights

    Belapectin is a novel, potent, galectin-3 inhibitor with Fast Track Designation Low toxicity as a carbohydrate-based molecule which is degraded by natural processes Patent protection through 2032 Only company to exclusively focus on treatment for MASH cirrhosis and portal hypertension Significant ef

  54. Slide 54: Thank You!

    Thank You!

Galectin Therapeutics — Investor Presentation (November 2025) on 6ix