Altimmune

ALTNASDAQUSD

THESIS ALERT

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$1.61
−$0.32 (−16.58%)Today 1M −37.11%
After hours$1.63+1.19%

Updated Nov 12, 4:00 PM ET · Regular session · May be delayed

Source valuation snapshot. Not a live recalculation.
Latest filed annual earnings; price snapshot date unavailable. Not forward P/E.
Diluted earnings per share from the latest filed annual.
$1.93
Prior regular-session close from the quote source.
$1.60–$1.90
Regular-session low and high so far today.
12.4M
Regular-session shares traded · Nov 12, 4:00 PM ET.
Not yet confirmed
The company has not confirmed its next report date. Reported quarters are available in the chart’s Earnings view.
$1.60–$6.44
52-week trading low and high returned by the quote source.

Understand the Business

Why the Stock Moved

Period-matched expectations history is not yet available. Current metrics are not a substitute for a historical explanation.

The core investment thesis

Own ALT if Altimmune is a high-risk clinical-stage option on whether pemvidutide’s balanced glucagon/GLP-1 biology becomes a differentiated, partnerable MASH liver-disease drug before trial cost and dilution consume the upside.

ALT price history

Latest price$1.61Today−$0.32 (-16.58%)
ALT -35.34%S&P 500 -2.67%Since first plotted close
4 hours

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Investment thesis

What must happen next

5 MATERIAL PROPOSITIONS
  • Pemvidutide’s balanced 1:1 glucagon/GLP-1 mechanism remains differentiated enough to justify pivotal MASH development rather than becoming another undifferentiated incretin candidate.StrengtheningMateriality: High

    Item 1 says pemvidutide is a balanced 1:1 glucagon/GLP-1 dual receptor agonist and that Altimmune believes it is the only such candidate with balanced potency at both receptors. If the differentiation holds, the asset can attract capital, partners, and eventual pricing power; if it fails, Altimmune has little operating business behind it.

    Watch: Eli Lilly, Novo Nordisk, Madrigal, or another MASH/incretin competitor reports pivotal data with equal or better fibrosis benefit, weight loss, safety, and dosing convenience.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    Item 1 says pemvidutide is a balanced 1:1 glucagon/GLP-1 dual receptor agonist and that Altimmune believes it is the only.

    Open source ↗
  • FDA alignment on a registrational MASH path lowers development uncertainty, but the value driver is Altimmune’s ability to execute a biopsy-driven Phase 3 trial using the agreed pathology approach.StrengtheningMateriality: High

    MD&A states Altimmune held an End-of-Phase 2 meeting with FDA on December 11, 2025 and received final minutes in January 2026 that it believes describe a clear regulatory path for Phase 3. Regulatory clarity can raise the asset’s risk-adjusted value, but failure to execute the pivotal design would strand the program before commercialization.

    Watch: FDA changes its expectations for MASH accelerated approval endpoints or requires outcomes data before approval.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    MD&A states Altimmune held an End-of-Phase 2 meeting with FDA on December 11, 2025 and received final minutes in January.

    Open source ↗
  • Because Altimmune has no commercial cash engine, shareholder value depends on financing or partnering pemvidutide without giving away too much of the economics.HoldingMateriality: Medium

    FY2025 GAAP revenue was only $41,000, confirming Altimmune is effectively pre-commercial. A good drug can still be a poor stock if Phase 3 funding requires heavy dilution or an unfavorable partnership.

    Watch: Altimmune is forced to raise equity at depressed prices before a value-creating clinical or partnering catalyst.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    FY2025 GAAP revenue was only $41,000, confirming Altimmune is effectively pre-commercial.

    Open source ↗
  • Pemvidutide’s value is not limited to MASH if GLP-1-mediated craving reduction plus liver-directed glucagon effects translate into AUD and ALD, but those indications remain unproven upside.HoldingMateriality: Medium

    Item 1 states pemvidutide is being evaluated in participants with AUD and separately ALD. Successful AUD or ALD data would expand the addressable opportunity and strategic value; failure would concentrate all value in MASH.

    Watch: AUD studies fail to show meaningful craving or alcohol-consumption reduction versus placebo.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    Item 1 states pemvidutide is being evaluated in participants with AUD and separately ALD.

    Open source ↗
  • Altimmune’s small, focused organization and patent estate can preserve upside if pemvidutide remains the lead asset, but concentration risk is extreme because the company lacks diversified products.StrengtheningMateriality: Medium

    Item 1 says pemvidutide is protected by patents covering composition, formulation, methods of use and treatment, with expirations into the 2040s when expected patent-term extension is included. Focus can make each clinical dollar more valuable, but a single-asset setback would impair most of the equity value.

    Watch: A patent challenge, design-around, or freedom-to-operate issue weakens pemvidutide exclusivity before commercialization.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    Item 1 says pemvidutide is protected by patents covering composition, formulation, methods of use and treatment, with expirations into the.

    Open source ↗
Full investment case & evidence

Loading the original research archive…

Original research

Pemvidutide’s balanced 1:1 glucagon/GLP-1 mechanism remains differentiated enough to justify pivotal MASH development rather than becoming another undifferentiated incretin candidate. If the differentiation holds, the asset can attract capital, partners, and eventual pricing power; if it fails, Altimmune has little operating business behind it.

FDA alignment on a registrational MASH path lowers development uncertainty, but the value driver is Altimmune’s ability to execute a biopsy-driven Phase 3 trial using the agreed pathology approach. Regulatory clarity can raise the asset’s risk-adjusted value, but failure to execute the pivotal design would strand the program before commercialization.

Because Altimmune has no commercial cash engine, shareholder value depends on financing or partnering pemvidutide without giving away too much of the economics. A good drug can still be a poor stock if Phase 3 funding requires heavy dilution or an unfavorable partnership.

Pemvidutide’s value is not limited to MASH if GLP-1-mediated craving reduction plus liver-directed glucagon effects translate into AUD and ALD, but those indications remain unproven upside. Successful AUD or ALD data would expand the addressable opportunity and strategic value; failure would concentrate all value in MASH.

Altimmune’s small, focused organization and patent estate can preserve upside if pemvidutide remains the lead asset, but concentration risk is extreme because the company lacks diversified products. Focus can make each clinical dollar more valuable, but a single-asset setback would impair most of the equity value.

All standing thesis claims
Original report summary

Altimmune is a high-risk clinical-stage option on whether pemvidutide’s balanced glucagon/GLP-1 biology becomes a differentiated, partnerable MASH liver-disease drug before trial cost and dilution consume the upside.

Evidence assessed Nov 12, 2026. Expand each conclusion for its evidence and what would change it. Thesis evidence—not a buy or sell recommendation.

Bull case and bear case

Bull case and bear case for Altimmune

Where the evidence on Altimmune stands: Holding on the latest evidence (Nov 12, 2026). Of its 5 thesis points, 3 strengthening and 2 holding.

Bull case: what the evidence supports

  • Pemvidutide’s balanced 1:1 glucagon/GLP-1 mechanism remains differentiated enough to justify pivotal MASH development rather than becoming another undifferentiated incretin candidate.

    sec.gov ↗

  • FDA alignment on a registrational MASH path lowers development uncertainty, but the value driver is Altimmune’s ability to execute a biopsy-driven Phase 3 trial using the agreed pathology approach.

    sec.gov ↗

  • Because Altimmune has no commercial cash engine, shareholder value depends on financing or partnering pemvidutide without giving away too much of the economics.

    sec.gov ↗

  • Pemvidutide’s value is not limited to MASH if GLP-1-mediated craving reduction plus liver-directed glucagon effects translate into AUD and ALD, but those indications remain unproven upside.

    sec.gov ↗

  • Altimmune’s small, focused organization and patent estate can preserve upside if pemvidutide remains the lead asset, but concentration risk is extreme because the company lacks diversified products.

    sec.gov ↗

Bear case: what would count against it

  • Eli Lilly, Novo Nordisk, Madrigal, or another MASH/incretin competitor reports pivotal data with equal or better fibrosis benefit, weight loss, safety, and dosing convenience.

    sec.gov ↗

  • FDA changes its expectations for MASH accelerated approval endpoints or requires outcomes data before approval.

    sec.gov ↗

  • Altimmune is forced to raise equity at depressed prices before a value-creating clinical or partnering catalyst.

    sec.gov ↗

Thesis-Break Engine

What has broken in Altimmune’s thesis

Each break OptimistFi flagged on Altimmune, dated — with what has historically followed the same kind of break across the market, not a forecast for Altimmune.

peers+15%-20%-2%12 mo agonow+6 mo
Daily price, then where similar breaks led across the market: the typical -2% path vs comparable companies over six months, inside the middle-half range (+15% to -20%). A base rate, not a forecast.
  • CEO / officer changecondition set before this filing

    Across all companies, this kind of break has happened 16,849 times before. Those stocks trailed comparable companies by a median of 2% over the next six months, and 38% of them trailed it by 10 points or more.

How the Thesis-Break Engine works →Historical outcomes are measured against comparable companies after past breaks of the same kind, across all companies. Not a prediction.

MARKET + FINANCIAL SNAPSHOT

The numbers behind the thesis

Sourced from filings and market data

What Changed

  1. Mixed
    Created a direct financial obligation.

    Altimmune filed an SEC 8-K on 2026-10-29: Created a direct financial obligation. It is a dated development that tests the current thesis.

  2. Mixed
    Director or principal officer change.

    Altimmune filed an SEC 8-K on 2026-10-27: Director or principal officer change. It is a dated development that tests the current thesis.

  3. Mixed
    Director or principal officer change.

    Altimmune filed an SEC 8-K on 2026-09-29: Director or principal officer change. It is a dated development that tests the current thesis.

Risks / falsifiers

What could break the thesis

  • Eli Lilly, Novo Nordisk, Madrigal, or another MASH/incretin competitor reports pivotal data with equal or better fibrosis benefit, weight loss, safety, and dosing convenience.
  • FDA changes its expectations for MASH accelerated approval endpoints or requires outcomes data before approval.
  • Altimmune is forced to raise equity at depressed prices before a value-creating clinical or partnering catalyst.
  • AUD studies fail to show meaningful craving or alcohol-consumption reduction versus placebo.
  • A patent challenge, design-around, or freedom-to-operate issue weakens pemvidutide exclusivity before commercialization.

ALT news

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Financial statements

ALT income statement

Annual filed results · USD · Oldest to newest. Margins are calculated from the reported figures.

ALT: quick answers

When does Altimmune (ALT) report earnings next?
Altimmune's next results were projected for November 5, 2026, from the dates of its own results filings with the SEC, and it has not filed them yet. It last reported on August 12, 2026. Earnings calendar
What is ALT's short interest?
As of October 30, 2026, 42.1M ALT shares were sold short, down 0.2% from the count before. At the stock's average daily volume that is 12 days to cover. FINRA publishes the count twice a month. ALT short interest history
Which well-known investors own ALT?
1 of the 37 well-known funds tracked here reported ALT shares in their latest 13F filing. By share of the fund's portfolio: Viking Global Investors (Andreas Halvorsen), 0.1%. Fund portfolios

ALT in well-known investors’ portfolios

1 of 37 funds reported ALT shares in their latest 13F filing. A 13F shows quarter-end positions and arrives up to 45 days later.

FundOf its portfolioValueChangeQuarter
Andreas HalvorsenViking Global Investors0.06%$20.4MNewQ2 2026

Every fund’s portfolio

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