3.42
price up icon5.88%   0.19
after-market After Hours: 3.44 0.02 +0.58%
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Altimmune Inc stock is traded at $3.42, with a volume of 4.85M. It is up +5.88% in the last 24 hours and up +11.40% over the past month. Altimmune Inc is a late clinical-stage biopharmaceutical company developing therapies for patients with serious liver diseases. The Company's key candidate, pemvidutide, is a dual-action therapy targeting both glucagon and GLP-1 receptors in a balanced 1:1 ratio in development for the treatment of metabolic dysfunction-associated steatohepatitis (MASH), alcohol use disorder (AUD), and alcohol-associated liver disease (ALD). The company also plans to pursue additional indications for pemvidutide that leverage the differentiated clinical profile of pemvidutide.
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Previous Close:
$3.23
Open:
$3.28
24h Volume:
4.85M
Relative Volume:
1.11
Market Cap:
$665.25M
Revenue:
$36,000
Net Income/Loss:
$-91.08M
P/E Ratio:
-3.6476
EPS:
-0.9376
Net Cash Flow:
$-71.67M
1W Performance:
+9.97%
1M Performance:
+11.40%
6M Performance:
-19.91%
1Y Performance:
-3.93%
1-Day Range:
Value
$3.25
$3.43
1-Week Range:
Value
$3.02
$3.43
52-Week Range:
Value
$2.56
$6.4399

Altimmune Inc Stock (ALT) Company Profile

Name
Name
Altimmune Inc
Name
Phone
(240) 654-1450
Name
Address
910 CLOPPER ROAD, GAITHERSBURG, MD
Name
Employee
57
Name
Twitter
Name
Next Earnings Date
2026-08-12
Name
Latest SEC Filings
Name
ALT's Discussions on Twitter

Compare ALT vs VRTX, REGN, ARGX, MRNA, RVMD

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
ALT icon
ALT
Altimmune Inc
3.42 573.83M 36,000 -91.08M -71.67M -0.9376
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
546.12 136.93B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
827.72 85.11B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
1,033.15 64.95B 4.16B 1.29B 734.26M 19.58
MRNA icon
MRNA
Moderna Inc
145.55 53.23B 2.23B -3.19B -1.60B -8.1462
RVMD icon
RVMD
Revolution Medicines Inc
210.02 45.38B 742.00K -1.37B -1.07B -7.0731

Altimmune Inc Stock (ALT) Upgrades & Downgrades

Date Action Analyst Rating Change
Apr-24-26 Upgrade Goldman Sell → Neutral
Mar-18-26 Initiated Truist Buy
Jan-28-26 Initiated Barclays Overweight
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

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Sep 05, 2026

Altimmune Stock Price Forecast. Should You Buy ALT? - StockInvest.us

Sep 05, 2026
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Sep 03, 2026

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

Sep 03, 2026
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Aug 21, 2026

Altimmune (NASDAQ:ALT) Trading Up 9.2%Should You Buy? - MarketBeat

Aug 21, 2026
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Aug 21, 2026

ALT Stock Drops Pre-Market On Dilution Fears – Retail Calls It A ‘Horror Story’ - Stocktwits

Aug 21, 2026
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Aug 20, 2026

Altimmune Inc (ALT) News, Articles, Events & Latest Updates - Stocktwits

Aug 20, 2026
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Aug 19, 2026

Is Altimmune Worth Buying as Cash Rises but Execution Risks Linger? - Yahoo Finance

Aug 19, 2026
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Aug 19, 2026

Altimmune's Phase III MASH Study Puts 2029 Data in Investor Focus - Yahoo Finance

Aug 19, 2026
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Aug 19, 2026

HC Wainwright Estimates Altimmune's Q3 Earnings (NASDAQ:ALT) - MarketBeat

Aug 19, 2026
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Aug 19, 2026

LULU, LCID, ALT Stocks Hit 52-Week Lows Today: What's Driving The Selloff? - Stocktwits

Aug 19, 2026
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Aug 18, 2026

symbol__ Stock Quote Price and Forecast - CNN

Aug 18, 2026
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Aug 18, 2026

Altimmune’s Investigational Therapy For Alcohol Use Disorder Meets Primary Endpoint – ALT Stock Jumps 10% - Stocktwits

Aug 18, 2026
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Aug 17, 2026

H.C. Wainwright Maintains Altimmune(ALT.US) With Buy Rating, Maintains Target Price $20 - Moomoo

Aug 17, 2026
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Aug 17, 2026

ALT Stock Has Nearly Halved In The Past Year, So Why Does Wall Street See Almost 500% Upside? - Stocktwits

Aug 17, 2026
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Aug 16, 2026

Altimmune (ALT) Rises 2.08% to $2.94 as Shares Hold Above Key SupportActive ETF Flow - Vinanet

Aug 16, 2026
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Aug 14, 2026

Altimmune Inc (ALT) Earnings, Actual EPS, EPS Estimates & Results - Stocktwits

Aug 14, 2026
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Aug 14, 2026

9 Health Care Stocks Whale Activity In Today’s Session - Benzinga

Aug 14, 2026
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Aug 14, 2026

Altimmune (ALT) Q2 2026 Earnings Call: PERFORMA Starts, Cash Reaches $519M - TradingKey

Aug 14, 2026
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Aug 14, 2026

ALT|Altimmune Inc|Price:3.110|Chg%:+0.160 - TradingKey

Aug 14, 2026
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Aug 13, 2026

Altimmune (ALT) President and CEO Jerome Durso Buys 15,000 Shares - GuruFocus

Aug 13, 2026
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Aug 13, 2026

Altimmune CEO Jerome Benedict Durso Buys 15,000 Shares at $2.95 Each - Kalkine Media

Aug 13, 2026
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Aug 13, 2026

Altimmune (ALT) CEO Jerome Durso purchases 15,000 shares at $2.95 each - Stock Titan

Aug 13, 2026
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Aug 13, 2026

Altimmune: Pemvidutide Performs, But A Long Wait Ahead (NASDAQ:ALT) - Seeking Alpha

Aug 13, 2026
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Aug 13, 2026

ALT's Q2 Loss Narrower Than Expected, Pemvidutide's Studies in Focus - The Globe and Mail

Aug 13, 2026
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Aug 13, 2026

Barclays Maintains Altimmune(ALT.US) With Buy Rating, Maintains Target Price $20 - Moomoo

Aug 13, 2026
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Aug 13, 2026

Altimmune Inc RECLAIM Phase 2 Trial in AUD Topline Results Conference Call Transcript - GuruFocus

Aug 13, 2026
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Aug 13, 2026

Q3 2025 Altimmune Inc Earnings Call Transcript - GuruFocus

Aug 13, 2026
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Aug 13, 2026

Altimmune (NASDAQ:ALT): What Does the Latest Update Mean for Trial Execution? - kalkinemedia.com

Aug 13, 2026
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Aug 13, 2026

Altimmune Inc Phase 2b Topline 48-Week Data Conference Call Transcript - GuruFocus

Aug 13, 2026
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Aug 13, 2026

Dimensional Fund Advisors LP Raises Stake in Altimmune, Inc. $ALT - MarketBeat

Aug 13, 2026
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Aug 12, 2026

Altimmune Inc (ALT) (Q2 2026) Earnings Call Highlights: Advancing MASH and AUD Pipelines with ... - Yahoo Finance Australia

Aug 12, 2026
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Aug 12, 2026

Altimmune Inc (ALT) (Q2 2026) Earnings Call Highlights: Advancin - GuruFocus

Aug 12, 2026
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Aug 12, 2026

Altimmune Reports Q2 2026 Financial Results and SEC Filing Highlighting Increased Assets and Equity Raise - kalkinemedia.com

Aug 12, 2026
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Aug 12, 2026

Altimmune, Inc. Q2 2026: Revenue $0 EPS $(0.12) — 10-Q Summary - TradingView

Aug 12, 2026
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Aug 12, 2026

Altimmune (ALT) grows cash reserves above $518M while advancing Phase 3 MASH trial - Stock Titan

Aug 12, 2026
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Aug 12, 2026

Altimmune (ALT) Advances Clinical Trials Amidst High Price-to-Sa - GuruFocus

Aug 12, 2026
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Aug 12, 2026

Altimmune Releases Q2 2026 Financial Results - AlphaStreet

Aug 12, 2026
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Aug 12, 2026

William Blair Maintains Altimmune(ALT.US) With Hold Rating - Moomoo

Aug 12, 2026
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Aug 12, 2026

Altimmune (NASDAQ:ALT) Releases Quarterly Earnings Results, Beats Expectations By $0.02 EPS - MarketBeat

Aug 12, 2026
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Aug 12, 2026

Altimmune Q2 EPS $(0.12) beats $(0.15) estimate - scanx.trade

Aug 12, 2026
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Aug 12, 2026

Earnings call transcript: Altimmune tops Q2 2026 EPS view as shares rise - Investing.com Australia

Aug 12, 2026
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Aug 12, 2026

Altimmune Q2 Earnings Call Highlights - MarketBeat

Aug 12, 2026
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Aug 12, 2026

Altimmune Inc reports results for the quarter ended June 30Earnings Summary - TradingView

Aug 12, 2026
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Aug 12, 2026

Altimmune (ALT) Q2 Earnings Beat Expectations but Remain Unprofi - GuruFocus

Aug 12, 2026
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Aug 12, 2026

Q2 2026 Altimmune Inc Earnings Call Transcript - GuruFocus

Aug 12, 2026
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Aug 12, 2026

Form 8K Altimmune Inc For: 12 August By Investing.com - Investing.com South Africa

Aug 12, 2026
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Aug 12, 2026

Altimmune posts smaller-than-expected Q2 net loss per share - TradingView

Aug 12, 2026
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Aug 12, 2026

Altimmune posts $22.8M Q2 net loss, $519M cash; advances pemvidutide Phase 3 and Phase 2 programs - TradingView

Aug 12, 2026
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Aug 12, 2026

Altimmune Announces Second Quarter 2026 Financial Results and Business Update - The Manila Times

Aug 12, 2026
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Aug 12, 2026

Altimmune Reports $22.8 Million Q2 Loss and Advances Pemvidutide Trials - Quiver Quantitative

Aug 12, 2026
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Aug 12, 2026

Altimmune (NASDAQ:ALT): What Could Today’s clinical evidence and program focus Update Reveal? - Kalkine Media

Aug 12, 2026
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Aug 11, 2026

Altimmune (ALT) Q2 Earnings Preview: Unpacking Valuation and Gur - GuruFocus

Aug 11, 2026

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
GILL JOHN
Director
Apr 06 '26
Buy
3.41
9,200
31,350
21,700
WEAVER GREGORY L
Chief Financial Officer
Apr 01 '26
Buy
3.15
10,000
31,499
38,078
Durso Jerome Benedict
President and CEO
Apr 01 '26
Buy
3.14
15,000
47,100
47,500
WEAVER GREGORY L
Chief Financial Officer
Mar 06 '26
Buy
3.54
5,000
17,700
28,078
Durso Jerome Benedict
President and CEO
Mar 06 '26
Buy
3.54
20,000
70,790
32,500
Roberts M Scot
Chief Scientific Officer
Feb 02 '26
Option Exercise
0.00
7,775
0
115,153
Roberts M Scot
Chief Scientific Officer
Jan 30 '26
Option Exercise
0.00
9,275
0
104,670
Garg Vipin K
Director
Jan 30 '26
Option Exercise
0.00
26,775
0
429,225
Jordt Raymond M
Chief Business Officer
Jan 27 '26
Option Exercise
0.00
15,850
0
69,765
Garg Vipin K
Director
Jan 27 '26
Option Exercise
0.00
41,200
0
420,348
$103.76
price up icon 0.86%
$126.29
price down icon 0.31%
$63.96
price up icon 0.13%
$266.11
price up icon 0.61%
ONC ONC
$358.26
price down icon 1.22%
$210.02
price down icon 0.40%
Cap:     |  Volume (24h):