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Altimmune, Inc.

ALT
Fair ValueBiotech · Clinical
FDA catalysts, PDUFA dates & pipeline intelligence
$2.6
▼ 0 · -0.19%

Financials

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52W LOW $2.5552W HIGH $6.44
Volume
522.20 K
Value Traded
15.96 M
Short % Float
28.17%
-4.57%Week
-22.09%1 Month
-14.43%3 Month
-19.44%6 Month
-79.94%5 Year
-99.86%All Time

Cash Data

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Key Stats

Market Cap
507.69 M
EPS (TTM)
-0.47
P/E Ratio
-
Ent. Value
21.96 M
Total Shares
194.39 M
Float Shares
183.68 M
Insiders
5.57%
Institutions
72.37%

Upcoming Catalysts

FDA decisions, readouts and PDUFA dates · scored by probability of approval

Catalyst Drug / Treatment Stage Prob. of Approval Description Drug Type Therapeutic Area Source
Phase 2 topline data readout
pemvidutide
Alcohol-associated liver disease (ALD)
Phase 2PeptidesDigestive System
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PoA blends historical approval base rates, trial design score and FDA review track record.

ALT Catalyst Timeline

Dated clinical, regulatory and corporate events for Altimmune, Inc.

Catalyst Timeline

Dated clinical, regulatory & corporate events for Altimmune, Inc.

455Total events
7Upcoming
138Tier-1 (high impact)
2012 to 2029Coverage

Upcoming catalysts 2

T1Topline Readout
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Pemvidutide
TBD
T2Other Regulator Milestone
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Pemvidutide

Event history 50

●Quarterly UpdateCorporate
Announced second quarter 2026 financial results
▲Trial InitiationPemvidutideTrial
Initiated global PERFORMA Phase 3 trial in MASH
▲Topline ReadoutPemvidutideClinical Data
Reported positive topline data from RECLAIM Phase 2 trial in AUD
▲Enrollment CompletePemvidutideTrial
Completed patient enrollment in RESTORE Phase 2 trial in ALD
●Oral PresentationPresentation
Webcast to be held today at 8:30 a.m.
▲Trial InitiationPemvidutideTrial
PERFORMA Phase 3 trial initiated
▲Topline ReadoutPemvidutideClinical Data
Positive topline results from RECLAIM Phase 2 trial
alcohol use disordersource ↗
●Oral PresentationPemvidutidePresentation
Conference call to discuss RECLAIM topline data
Alcohol Use Disordersource ↗
▲Primary Endpoint MetPemvidutideClinical Data
Primary endpoint met: reduction in heavy drinking days
alcohol use disordersource ↗
◆Trial InitiationPemvidutideTrial
PERFORMA Phase 3 trial initiation planned
metabolic dysfunction-associated steatohepatitissource ↗
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Past FDA Catalysts and PDUFA Decisions

How ALT actually traded into and out of each decision

Date Drug Catalyst Stage Reaction Event Move % Best Trade %
2026-09-30pemvidutide Phase 2 topline data readout Phase 2
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Reaction: 30 trading days around the event · Event Move: close to close on decision day · Best Trade: peak run-up from entry 10 days before the decision

Drug Pipeline Intelligence

C51 / 100
Pipeline Score
$638M
Pipeline Value
Fair Value
Valuation Signal
7
Drugs Scored
1.2x
rNPV / MCap
Top 15%
Micro Cap
(rank 100 of 658)
Percentile Rank
Altimmune, Inc. carries a moderate pipeline score (51/100), with $1.6B risk-adjusted pipeline value, led by ALT-801 in Obesity/Overweight (Phase 2), across $189B in total addressable markets.
Showing 1 of 7 assets
DrugIndicationPhasePTRSrNPVStatusEnrollVelocityDesignEst. CompletionML SignalLast Change
ALT-801 Small moleculeCompletedNCT05295875Obesity/OverweightPhase 2 COMPLETED 391Sep 28, 2023
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Clinical Trial Results

Readouts, endpoints and source filings for every ALT program

Drug Name Indication Phase Date Trial Results SummaryTitleSource
pemvidutide
BreakthroughFast Track
alcohol use disorderPhase 22026-07-28p=0.0014; p=0.0049; p=0.0066; p=0.0075; p<0.0001; 9.1% at 24 weeksRead MoreAltimmune Announces Positive Topline Results from RECLAIM Phase 2 Trial of Pemvidutide in Alcohol Use DisorderRead More
Scroll for more · summaries link to the source press release
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Inside Trades

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InsiderSideSharesPriceValueDate
WEAVER GREGORY LOfficer (Chief Financial Officer)Option 14,475 54,306 held$0.00 10/01/2026
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Hedge Fund 13F Activity

Fund % of Portfolio Current MV Shares Owned Activity
Deep Track Capital, LP 0.9 % 58.52 M 19.25 M
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Shares held by hedge funds each quarter, and who bought or sold.

ALT Institutional Ownership Trends

Options Data

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Option Chain Statistics

ExpiryCall VolPut VolVol P/CCall OIPut OIOI P/CIV CallIV Call OI-WtdIV Call Vol-WtdIV PutIV Put OI-WtdIV Put Vol-Wtd
2026-10-09
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Real-Time Option Chain

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Competitive positioning

How ALT ranks across every disease it competes in

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ALT News

ALT
Sep 23, 2026
ALTConferences/Events
▼ -6.5%on this news

Altimmune to Participate in Stifel Cardiometabolic Forum

Altimmune, Inc. will participate in a fireside chat at the Stifel 2026 Virtual Cardiometabolic Forum on September 30, 2026. The company is focused on developing pemvidutide, a dual-action therapy for serious liver diseases. This event will allow Altimmune to showcase its advancements and engage with investors.

Read more →
ALT
Sep 3, 2026
ALTConferences/Events

Altimmune to Participate in the Wells Fargo 21st Annual Healthcare Conference

Altimmune, Inc. will participate in the Wells Fargo 21st Annual Healthcare Conference on September 10, 2026. The company's management will engage in a fireside chat to discuss their lead candidate, pemvidutide, which targets serious liver diseases. A webcast of the event will be available on Altimmune's website.

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ALT
Aug 12, 2026
ALTGeneral

Altimmune Announces Second Quarter 2026 Financial Results and Business Update

Altimmune announced its financial results for Q2 2026, highlighting significant progress in its clinical trials. The company initiated the global PERFORMA Phase 3 trial for MASH and reported positive topline data from the RECLAIM Phase 2 trial in AUD. Additionally, patient enrollment in the RESTORE Phase 2 trial for ALD has been completed, with a strong cash position of $519 million.

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ALT
Aug 5, 2026
ALTConferences/Events

Altimmune to Report Second Quarter 2026 Financial Results and Provide Business Update on August 12, 2026

Altimmune, Inc. will report its second quarter 2026 financial results on August 12, 2026. The company will host a conference call at 8:30 a.m. ET to discuss these results and provide a business update. The call will be accessible via a live webcast and will include a replay available for three months.

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ALT
Aug 3, 2026
ALTPhases
▲ +5.6%on this newsshared move

Altimmune Initiates PERFORMA Phase 3 Trial of Pemvidutide in Patients with MASH

Altimmune has commenced the PERFORMA Phase 3 trial to evaluate pemvidutide for metabolic dysfunction-associated steatohepatitis (MASH). This trial follows positive results from the IMPACT Phase 2b study and aims to assess the drug's efficacy and safety in patients with moderate to advanced fibrosis. The trial is expected to provide data by 2029, potentially paving the way for regulatory approval.

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ALT
Jul 28, 2026
ALTPhases

Altimmune Announces Positive Topline Results from RECLAIM Phase 2 Trial of Pemvidutide in Alcohol Use Disorder

Altimmune announced positive topline results from its RECLAIM Phase 2 trial of pemvidutide for alcohol use disorder (AUD). The trial achieved its primary endpoint with a significant reduction in heavy drinking days and met important secondary endpoints recognized by the FDA. The company plans to request an End-of-Phase 2 meeting with the FDA to discuss further development.

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ALT
May 28, 2026
ALTPhases

Pemvidutide Demonstrates Significant Metabolic Improvements in Patients with MASH in New 48-Week IMPACT Phase 2b Data Presented at EASL 2026

“Best of EASL” oral presentation highlights meaningful reductions in triglycerides, cholesterol, and blood pressure, along with improvements in key metabolic risk factors PERFORMA Phase 3 trial to further evaluate the broad metabolic and liver-related effects of pemvidutide GAI

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ALT
May 27, 2026
ALTPhases

New IMPACT Phase 2b Data Highlight Concurrent Improvements Across Multiple Non-Invasive Markers and qFibrosis-Measured Fibrosis Regression with Pemvidutide in MASH at EASL 2026

Altimmune, Inc. announced positive results from the IMPACT Phase 2b trial of pemvidutide, showing concurrent improvements in non-invasive tests for metabolic dysfunction-associated steatohepatitis (MASH) at 24 weeks. The findings were supported by AI-based digital pathology analyses, indicating significant antifibrotic effects. The company plans to initiate a Phase 3 trial later this year.

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ALT
May 27, 2026
ALTConferences/Events

Altimmune to Participate in Upcoming Investor Conferences

GAITHERSBURG, Md., May 27, 2026 (GLOBE NEWSWIRE) -- Altimmune, Inc. (Nasdaq: ALT), a late clinical-stage biopharmaceutical company developing pemvidutide to address serious liver diseases, today announced that management will participate in the following upcoming investor confere

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ALT
May 13, 2026
ALTPhases

Altimmune Announces First Quarter 2026 Financial Results and Business Update

Altimmune, Inc. reported its financial results for Q1 2026, highlighting a strong cash position of $535 million. The company plans to initiate the PERFORMA Phase 3 trial for pemvidutide in the second half of 2026, following its Breakthrough Therapy Designation from the FDA. Despite a net loss of $22.6 million, Altimmune remains focused on advancing its clinical trials for serious liver diseases.

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ALT
May 13, 2026
ALTConferences/Events

Altimmune to Present Results of Pemvidutide in MASH in an Oral Presentation and Multiple Poster Presentations at EASL Congress 2026

Altimmune, Inc. announced that results from its IMPACT Phase 2b trial of pemvidutide in metabolic dysfunction-associated steatohepatitis (MASH) will be presented at the EASL Congress 2026. The presentation will include 48-week efficacy and safety data, selected as 'Best of EASL 2026'. Additionally, late-breaking posters will cover new findings on liver fibrosis regression and cardiovascular risk factors.

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ALT
May 6, 2026
ALTConferences/Events
▲ +6.5%on this news

Altimmune to Report First Quarter 2026 Financial Results and Provide Business Update on May 13, 2026

Altimmune, Inc. will report its first quarter 2026 financial results on May 13, 2026. The company will host a conference call at 8:30 a.m. ET to discuss these results and provide a business update. Altimmune is developing pemvidutide, a therapy aimed at treating serious liver diseases.

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ALT
Apr 30, 2026
ALTPhases

Altimmune Announces First Quarter 2026 Financial Results and Business Update Initiation of PERFORMA Phase 3 MASH trial planned for second half 2026

Altimmune, Inc. announced its financial results for Q1 2026, revealing a robust cash position of $535 million as of April 30, 2026. The company is set to initiate the PERFORMA Phase 3 trial for pemvidutide targeting metabolic dysfunction-associated steatohepatitis in the second half of 2026. CEO Jerry Durso highlighted ongoing advancements, including topline data from RECLAIM Phase 2 AUD trial and completion of enrollment in RESTORE Phase 2 ALD trial. The company continues to focus on delivering pemvidutide for patients with serious liver diseases.

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ALT
Apr 27, 2026
ALTFDA Updates

Altimmune Announces Closing of $225 Million Oversubscribed Public Offering of Securities

Altimmune, Inc. has successfully closed a $225 million oversubscribed public offering to fund its upcoming Phase 3 trial of pemvidutide for metabolic dysfunction-associated steatohepatitis (MASH). The offering included shares and warrants, with significant participation from notable investors. The company plans to utilize the proceeds for trial execution and general corporate purposes, aiming to initiate the trial in the second half of 2026.

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ALT
Apr 23, 2026
ALTFDA Updates
▼ -16.7%on this newsshared move

Altimmune Announces Pricing of $225 Million Oversubscribed Public Offering of Securities

Altimmune, Inc. has announced the pricing of its oversubscribed public offering, which includes 64.25 million shares of common stock and accompanying warrants, aiming to raise approximately $225 million. The offering is set to close on or about April 24, 2026, and the proceeds will primarily fund the upcoming Phase 3 trial of pemvidutide for metabolic dysfunction-associated steatohepatitis (MASH). The offering is subject to market conditions.

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ALT
Apr 22, 2026
ALTFDA Updates

Altimmune Announces Proposed Underwritten Public Offering of Securities

Altimmune, Inc. has announced a proposed underwritten public offering of its common stock and accompanying warrants. The proceeds from this offering will primarily fund its upcoming Phase 3 trial for metabolic dysfunction-associated steatohepatitis (MASH). The offering is subject to market conditions, and there is no guarantee of completion or specific terms.

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ALT
Mar 5, 2026
ALTFDA Updates
▼ -17.9%on this news

Altimmune Announces Fourth Quarter and Full-year 2025 Financial Results and Business Updates

Altimmune, Inc. reported strong financial results for Q4 and full-year 2025, highlighting a robust cash position of $274 million. The company announced the upcoming initiation of a Phase 3 trial for pemvidutide in metabolic dysfunction-associated steatohepatitis (MASH) and received FDA Breakthrough Therapy Designation. Positive data from ongoing trials in alcohol use disorder (AUD) and alcohol-associated liver disease (ALD) further emphasize the potential of pemvidutide.

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ALT
Feb 26, 2026
ALTConferences/Events

Altimmune to Report Fourth Quarter and Full Year 2025 Financial Results and Provide Business Update on March 5, 2026

Altimmune, a biopharmaceutical company, will report its fourth quarter and full year 2025 financial results on March 5, 2026. The management will host a conference call to discuss these results and provide a business update. The call will be accessible via webcast, and a replay will be available for three months.

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ALT
Jan 30, 2026
ALTGeneral
▲ +9.8%on this news

Altimmune Announces Closing of $75 Million Registered Direct Offering of Common Stock

Altimmune, Inc. has successfully closed a $75 million registered direct offering of 17,045,454 shares of common stock. The proceeds will support the upcoming Phase 3 trial for pemvidutide, a therapy for metabolic dysfunction-associated steatohepatitis (MASH). This offering enhances the company's financial stability and operational flexibility, as stated by CEO Jerry Durso.

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About Altimmune, Inc.

Gaithersburg, MD 57 employees altimmune.com
Headquarters910 CLOPPER ROAD, GAITHERSBURG, MD, 20878
Founded1997
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