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PRESS-RELEASE ·Filed May 28, 2026

ALT

Altimmune, Inc
BULLISH
Impact 7/10
Horizonmonths Processed5mo ago WireGlobeNewswire
Press release · FDA
Actionable Insight ▲ Bullish

The broad metabolic data (lipid, weight, BP improvements) differentiates pemvidutide from pure GLP-1 agonists and supports a potential best-in-class profile for MASH. Key catalysts ahead: PERFORMA Phase 3 initiation (H2 2026), RECLAIM AUD topline (Q3 2026), and RESTORE ALD enrollment completion (Q3 2026). Monitor for partnership interest given the balanced glucagon/GLP-1 mechanism.

DirectionBullish
Confidencehigh
Horizonmonths
Final — all horizons settled through T+60d
ALT ▲ +1.30% at T+60d
LONG call ✓ call won +1.30% · α vs SPY -0.43% · entry $3.07 → $3.11
Entry = T+0 close
May 28, 2026
via day close
T+1d
-0.65%
call -0.65% · α -0.89%
$3.05
settled 5mo ago
T+5d
-6.51%
call -6.51% · α -6.47%
$2.87
settled 5mo ago
T+20d
-8.14%
call -8.14% · α -5.00%
$2.82
settled 4mo ago
T+60d
+1.30%
call +1.30% · α -0.43%
$3.11
settled 2mo ago

Price Chart

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Executive Summary

Altimmune presented new 48-week data from the IMPACT Phase 2b trial of pemvidutide in MASH at the EASL Congress 2026. The data showed significant reductions in triglycerides (-23.7%), total cholesterol (-15.4%), weight (-7.5%), and blood pressure, alongside previously reported improvements in liver fibrosis biomarkers. The company plans to initiate the PERFORMA Phase 3 trial in the second half of 2026.

Key Facts

  • Pemvidutide 1.8 mg reduced triglycerides by -23.7% and total cholesterol by -15.4% in MASH patients with elevated baseline lipids.
  • Weight loss of 7.5% at 48 weeks with no plateauing; BMI reduction of -3.0 kg/m2; waist circumference reduction of -5.3 cm.
  • Systolic blood pressure improved by -4.0 mmHg and diastolic by -2.2 mmHg.
  • Previously reported fibrosis endpoints: 32.4% of pemvidutide 1.8 mg patients achieved ≥0.5 reduction in ELF and ≥30% reduction in LSM vs 3.2% for placebo (p<0.0001).
  • Discontinuation rate due to AEs was ~1%; safety profile maintained at 48 weeks.
  • FDA granted Fast Track and Breakthrough Therapy Designation for pemvidutide in MASH.
  • PERFORMA Phase 3 trial expected to initiate in second half of 2026.
  • RECLAIM Phase 2 trial in AUD topline data expected Q3 2026; RESTORE trial in ALD enrollment completion expected Q3 2026.

Financial Impact

No financial data provided; clinical-stage company with no approved products or revenue. Market cap ~$580M. Positive Phase 2b data supports Phase 3 initiation and potential regulatory path.

pipeline valueregulatory probability of success

Risk Factors

  • Phase 3 trial may fail to replicate Phase 2b efficacy or safety results.
  • Competitive landscape includes Madrigal's Rezdiffra (approved) and other GLP-1/glucagon candidates from Novo Nordisk, Eli Lilly, and others.
  • Company has no approved products and will require additional capital to fund Phase 3 and ongoing trials.
  • Cardiovascular outcomes data not yet available; MASH patients face high CV mortality risk.

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
80% bullish (15 analysts)

Investment Themes

Biotech & Drug Discovery

Documents Analyzed

This report is based on 1 press release from GlobeNewswire.

DocumentAccession Number
PRESS-RELEASE Data (Synthetic)press-3303064
22 reports for ALT
Performance horizon
83% Hit rate @ T+5 5 of 6 directional calls Went positive at some point 6 of 6 best @ T+5▲ +9.00%Apr 22, 2026
Filters
Rows
Reports for ALT — sortable, filterable
TypeNow
Sep 29, 2026
27d ago
8-K
NEUTRAL ★ 2/10
$2.97 $2.67▼ −10.10%▼ −12.05%$2.09 (−29.63%)
Aug 12, 2026
10w ago
8-K
NEUTRAL ★ 5/10
$2.93 $3.12▲ +6.48%▲ +6.93%$2.09 (−28.67%)
Aug 12, 2026
10w ago
Press Release
NEUTRAL ★ 5/10
$2.93 $3.12▲ +6.48%▲ +6.93%$2.09 (−28.67%)
Aug 6, 2026
11w ago
Institutional Cluster
NEUTRAL ★ 5/10
$3.01 $2.88▼ −4.32%▼ −5.53%$2.09 (−30.56%)
Aug 5, 2026
11w ago
Press Release
NEUTRAL ★ 1/10
$3.03 $2.93▼ −3.30%▼ −3.65%$2.09 (−31.02%)
Aug 3, 2026
12w ago
Press Release
BULLISH ★ 6/10
$3.00 $3.05▲ +1.67%▼ −0.36%$2.09 (−30.33%)
Jul 28, 2026
12w ago
8-K
BULLISH ★ 7/10
$2.99 $3.00▲ +0.33%▼ −1.93%$2.09 (−30.10%)
May 28, 2026
21w ago
Press Release
BULLISH ★ 7/10
$3.07 $2.87▼ −6.51%▼ −6.47%$2.09 (−31.92%)
May 27, 2026
21w ago
Press Release
NEUTRAL ★ 2/10
$2.98 $2.90▼ −2.68%▼ −3.89%$2.09 (−29.87%)
May 13, 2026
23w ago
8-K
NEUTRAL ★ 4/10
$3.02 $2.74▼ −9.27%▼ −8.11%$2.09 (−30.79%)
Showing 10 of 22

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Report published May 28, 2026