3.96
price down icon3.18%   -0.13
after-market After Hours: 3.94 -0.02 -0.51%
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Altimmune Inc stock is traded at $3.96, with a volume of 5.58M. It is down -3.18% in the last 24 hours and down -24.43% over the past month. Altimmune Inc is a clinical-stage biopharmaceutical company focused on developing treatments for obesity, metabolic diseases, and liver diseases. Its product candidate, pemvidutide (formerly known as ALT-801), is a novel, investigational, peptide-based GLP-1/glucagon dual receptor agonist. Pemvidutide is currently in clinical development for obesity and metabolic-associated steatohepatitis (MASH). The company also plans to pursue additional indications for pemvidutide that leverage the differentiated clinical profile of pemvidutide.
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Previous Close:
$4.09
Open:
$4.082
24h Volume:
5.58M
Relative Volume:
1.41
Market Cap:
$413.20M
Revenue:
$409.00K
Net Income/Loss:
$-101.35M
P/E Ratio:
-2.4146
EPS:
-1.64
Net Cash Flow:
$-71.49M
1W Performance:
+9.70%
1M Performance:
-24.43%
6M Performance:
-16.81%
1Y Performance:
-45.38%
1-Day Range:
Value
$3.8601
$4.18
1-Week Range:
Value
$3.48
$4.53
52-Week Range:
Value
$2.90
$7.83

Altimmune Inc Stock (ALT) Company Profile

Name
Name
Altimmune Inc
Name
Phone
(240) 654-1450
Name
Address
910 CLOPPER ROAD, GAITHERSBURG, MD
Name
Employee
59
Name
Twitter
Name
Next Earnings Date
2024-11-05
Name
Latest SEC Filings
Name
ALT's Discussions on Twitter

Compare ALT with other stocks

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Biotechnology icon
ALT
Altimmune Inc
3.96 426.76M 409.00K -101.35M -71.49M -1.64
Biotechnology icon
VRTX
Vertex Pharmaceuticals Inc
468.38 113.87B 11.74B 3.68B 3.34B 14.19
Biotechnology icon
REGN
Regeneron Pharmaceuticals Inc
776.54 80.22B 14.25B 4.58B 3.88B 41.77
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ALNY
Alnylam Pharmaceuticals Inc
406.40 52.56B 3.21B 43.57M 221.36M 0.2405
Biotechnology icon
ARGX
Argen X Se Adr
803.74 49.31B 3.06B 1.28B 447.35M 19.67
Biotechnology icon
INSM
Insmed Inc
175.07 37.37B 447.02M -1.18B -906.14M -6.1812

Altimmune Inc Stock (ALT) Upgrades & Downgrades

Date Action Analyst Rating Change
Jul-10-25 Resumed Goldman Sell
Feb-28-25 Initiated William Blair Mkt Perform
Jan-08-25 Initiated Stifel Buy
Nov-12-24 Initiated UBS Buy
Apr-29-24 Downgrade Guggenheim Buy → Neutral
Jan-24-24 Initiated Goldman Neutral
Mar-22-23 Downgrade Goldman Buy → Neutral
Dec-01-22 Initiated Goldman Buy
Dec-29-21 Resumed Jefferies Buy
Jun-02-21 Initiated H.C. Wainwright Buy
Feb-11-21 Initiated Guggenheim Buy
Dec-14-20 Initiated Jefferies Buy
Nov-12-20 Reiterated B. Riley Securities Buy
Sep-25-20 Initiated B. Riley FBR Buy
Aug-14-20 Initiated Evercore ISI Outperform
Jul-31-20 Initiated Piper Sandler Overweight
Jul-28-20 Initiated JMP Securities Mkt Outperform
Feb-24-20 Resumed ROTH Capital Buy
Jul-19-19 Initiated ROTH Capital Buy
Oct-09-17 Initiated Piper Jaffray Overweight
View All

Altimmune Inc Stock (ALT) Latest News

pulisher
11:53 AM

ALT Stock Up 17% After Pemvidutide Gets FDA Breakthrough Tag for MASH - TradingView — Track All Markets

11:53 AM
pulisher
Jan 05, 2026

Altimmune’s Surprising Stock Surge: What’s Behind It? - StocksToTrade

Jan 05, 2026
pulisher
Jan 05, 2026

Altimmune, GH Research, Gyre Therapeutics And Other Big Stocks Moving Higher On Monday - Benzinga

Jan 05, 2026
pulisher
Jan 05, 2026

Altimmune shares rally after FDA awards breakthrough status to pemvidutide - MSN

Jan 05, 2026
pulisher
Jan 05, 2026

Why Did Mobileye Stock Surge 8% Pre-Market Today? - Stocktwits

Jan 05, 2026
pulisher
Jan 05, 2026

Altimmune (ALT) Surges on FDA Breakthrough Therapy Designation f - GuruFocus

Jan 05, 2026
pulisher
Jan 05, 2026

Altimmune stock gains on FDA breakthrough status (ALT:NASDAQ) - Seeking Alpha

Jan 05, 2026
pulisher
Jan 05, 2026

FDA grants breakthrough therapy status to Altimmune’s MASH drug By Investing.com - Investing.com Australia

Jan 05, 2026
pulisher
Jan 05, 2026

Altimmune jumps after US FDA's 'breakthrough' tag for liver disease drug - TradingView — Track All Markets

Jan 05, 2026
pulisher
Jan 05, 2026

Altimmune, Inc. Receives FDA Breakthrough Therapy Designation for Pemvidutide in Treating Metabolic Dysfunction-Associated Steatohepatitis (MASH) - Quiver Quantitative

Jan 05, 2026
pulisher
Jan 05, 2026

Altimmune stock soars after FDA grants Breakthrough Therapy status By Investing.com - Investing.com Canada

Jan 05, 2026
pulisher
Jan 05, 2026

Altimmune stock soars after FDA grants Breakthrough Therapy status - Investing.com

Jan 05, 2026
pulisher
Jan 05, 2026

FDA flags new liver disease drug for faster review after promising early data - Stock Titan

Jan 05, 2026
pulisher
Jan 05, 2026

Altimmune Receives FDA’s Breakthrough Therapy Designation For Its Liver Disease Drug - Stocktwits

Jan 05, 2026
pulisher
Dec 30, 2025

How Much Upside is Left in Altimmune (ALT)? Wall Street Analysts Think 285.86% - MSN

Dec 30, 2025
pulisher
Dec 29, 2025

3 Beaten-Down Biotech Stocks to Buy for a 2026 Turnaround - The Globe and Mail

Dec 29, 2025
pulisher
Dec 28, 2025

Jerome Durso Buys Handful Of Shares In Altimmune - Yahoo Finance

Dec 28, 2025
pulisher
Dec 28, 2025

Insider Buying: Altimmune Independent Chairman Bought US$52k Of Shares - simplywall.st

Dec 28, 2025
pulisher
Dec 27, 2025

Altimmune, Pure Storage, Globalstar, Cipher Mining, AutoZone Shake-Up - TipRanks

Dec 27, 2025
pulisher
Dec 26, 2025

Altimmune announces CEO transition - MSN

Dec 26, 2025
pulisher
Dec 25, 2025

Q3 2025 Altimmune Inc Earnings Call Transcript - GuruFocus

Dec 25, 2025
pulisher
Dec 24, 2025

Does Altimmune (ALT) have the potential to rally 229.28% as Wall Street analysts expect? - MSN

Dec 24, 2025
pulisher
Dec 23, 2025

Insider Buying: John Gill Acquires 12,500 Shares of Altimmune In - GuruFocus

Dec 23, 2025
pulisher
Dec 23, 2025

Altimmune: Pemvidutide's 48-Week Data Confirms The Market's Smokescreen - Seeking Alpha

Dec 23, 2025
pulisher
Dec 23, 2025

John Gill Acquires 12,500 Shares of Altimmune (NASDAQ:ALT) Stock - MarketBeat

Dec 23, 2025
pulisher
Dec 23, 2025

Altimmune Director John Gill Acquires 12,500 Shares - TradingView — Track All Markets

Dec 23, 2025
pulisher
Dec 23, 2025

Altimmune stock soars over 10% premarket on positive mid-stage data for liver disease treatment drug - MSN

Dec 23, 2025
pulisher
Dec 23, 2025

Altimmune, Inc. (NASDAQ:ALT) Given Consensus Rating of "Moderate Buy" by Analysts - MarketBeat

Dec 23, 2025
pulisher
Dec 22, 2025

Insider Buying: Jerome Durso Acquires 12,500 Shares of Altimmune Inc (ALT) - GuruFocus

Dec 22, 2025
pulisher
Dec 22, 2025

Altimmune (NASDAQ:ALT) Director Jerome Benedict Durso Purchases 12,500 Shares - MarketBeat

Dec 22, 2025
pulisher
Dec 22, 2025

Altimmune’s 48-Week MASH Data Still Leave Doubts On Fibrosis Benefit - Citeline News & Insights

Dec 22, 2025
pulisher
Dec 22, 2025

Altimmune Director Jerome Benedict Durso Acquires 12,500 Shares - TradingView — Track All Markets

Dec 22, 2025
pulisher
Dec 22, 2025

Altimmune: Positives And Negatives Of The IMPACT Data And Recent Updates - Seeking Alpha

Dec 22, 2025
pulisher
Dec 21, 2025

Altimmune Slides As Insider Purchases Lose Another US$15k - 富途牛牛

Dec 21, 2025
pulisher
Dec 21, 2025

Altimmune Stock Plummets After Disappointing Trial Results - timothysykes.com

Dec 21, 2025
pulisher
Dec 21, 2025

Can Altimmune Inc. stock hit analyst price targetsJuly 2025 Reactions & Weekly Watchlist for Hot Stocks - Улправда

Dec 21, 2025
pulisher
Dec 20, 2025

How Altimmune Inc. stock compares to market leadersPortfolio Risk Report & Weekly Setup with High ROI Potential - Улправда

Dec 20, 2025
pulisher
Dec 20, 2025

Will Altimmune Inc. stock benefit from upcoming earnings reports2025 Price Targets & Community Consensus Trade Signals - Улправда

Dec 20, 2025
pulisher
Dec 19, 2025

Altimmune, Inc. (ALT) Discusses Topline 48-Week Results From IMPACT Phase IIb Trial of Pemvidutide in MASHSlideshow (NASDAQ:ALT) 2025-12-19 - Seeking Alpha

Dec 19, 2025
pulisher
Dec 19, 2025

Why Is Altimmune Stock Up Over 10% Before The Bell? - Stocktwits

Dec 19, 2025
pulisher
Dec 19, 2025

Altimmune (ALT) Shares Plunge Following Phase 2b MASH Trial Resu - GuruFocus

Dec 19, 2025
pulisher
Dec 19, 2025

ALT Stock Surge: Should You Act? - StocksToTrade

Dec 19, 2025
pulisher
Dec 19, 2025

Altimmune's liver disease drug shows benefits in study, but investors remain unimpressed - MSN

Dec 19, 2025
pulisher
Dec 19, 2025

Balanced Risk-Reward for Altimmune’s Pemvidutide in a Crowded MASH Landscape Supports Hold Rating - TipRanks

Dec 19, 2025
pulisher
Dec 19, 2025

Pemvidutide’s Strong Phase 2b Data and De-Risked Phase 3 Path in MASH Support Altimmune Buy Rating and $12 Target - TipRanks

Dec 19, 2025
pulisher
Dec 19, 2025

Altimmune stock tumbles after MASH drug trial data By Investing.com - Investing.com Nigeria

Dec 19, 2025
pulisher
Dec 19, 2025

Altimmune stock tumbles after MASH drug trial data - Investing.com

Dec 19, 2025
pulisher
Dec 19, 2025

Transcript : Altimmune, Inc.Special Call - marketscreener.com

Dec 19, 2025
pulisher
Dec 19, 2025

Altimmune advances in MASH; New China obesity biotech; Ipsen Phase 2 fail - Endpoints News

Dec 19, 2025
pulisher
Dec 19, 2025

Altimmune jumps 16% on promising Phase 2b liver disease trial | Tap to know more | Inshorts - Inshorts

Dec 19, 2025
pulisher
Dec 19, 2025

Altimmune Stock Soars Over 10% Premarket On Positive Mid-Stage Data For Liver Disease Treatment Drug - Asianet Newsable

Dec 19, 2025

Altimmune Inc Stock (ALT) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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Altimmune Inc Stock (ALT) Insider Trading

Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total
Jorkasky Diane
Director
Dec 29 '25
Buy
3.80
527
2,003
527
GILL JOHN
Director
Dec 23 '25
Buy
4.10
12,500
51,250
12,500
Durso Jerome Benedict
Director
Dec 22 '25
Buy
4.13
12,500
51,569
12,500
WEAVER GREGORY L
Chief Financial Officer
Nov 11 '25
Option Exercise
0.00
18,750
0
28,750
Sohn Catherine A.
Director
Mar 17 '25
Buy
5.78
1,000
5,784
1,000
WEAVER GREGORY L
Chief Financial Officer
Mar 13 '25
Buy
5.20
10,000
51,996
10,000
Garg Vipin K
President and CEO
Feb 02 '25
Option Exercise
0.00
18,950
0
363,364
Garg Vipin K
President and CEO
Feb 01 '25
Option Exercise
0.00
16,545
0
351,645
Garg Vipin K
President and CEO
Jan 30 '25
Option Exercise
0.00
26,775
0
342,696
Harris Matthew Scott
Chief Medical Officer
Feb 02 '25
Option Exercise
0.00
7,775
0
84,564
$40.65
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biotechnology ONC
$320.35
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Cap:     |  Volume (24h):