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Altimmune, Inc. - Common Stock (NQ:ALT)

4.050 -0.020 (-0.49%)
Streaming Delayed Price Updated: 4:00 PM EDT, Oct 31, 2025 Add to My Watchlist
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Price and Volume

Detailed Quote
Volume 2,447,365
Open 4.250
Bid (Size) 4.040 (10)
Ask (Size) 4.070 (25)
Prev. Close 4.070
Today's Range 3.990 - 4.250
52wk Range 2.900 - 11.16
Shares Outstanding 85,076,300
Dividend Yield N/A
Chart for (: )
Intraday 1 Week 1 Month 3 Month 1 Year 3 Year 5 Year

Top News

More News
Important Notice to Long-Term Shareholders of Altimmune, Inc. (NASDAQ: ALT); Five Below, Inc. (NASDAQ: FIVE); Flywire Corporation (NASDAQ: FLYW); and Hertz Global Holdings, Inc. (NASDAQ: HTZ): Grabar Law Office is Investigating Claims on Your Behalf
October 16, 2025
From Grabar Law Office
Via GlobeNewswire
Altimmune Stock: A Deep Dive Into Analyst Perspectives (4 Ratings)
October 10, 2025
 
Via Benzinga

Performance

YTD
-43.0%
-43.0%
1 Month
+4.7%
+4.7%
3 Month
+12.2%
+12.2%
6 Month
-29.8%
-29.8%
1 Year
-39.9%
-39.9%

More News

Read More
ALTIMMUNE ALERT: Bragar Eagel & Squire, P.C. is Investigating Altimmune, Inc. on Behalf of Long-Term Stockholders and Encourages Investors to Contact the Firm
October 08, 2025
From Bragar Eagel & Squire
Via GlobeNewswire
FINAL DEADLINE ALERT: Faruqi & Faruqi, LLP Investigates Claims on Behalf of Investors of Altimmune
October 06, 2025
From Faruqi & Faruqi, LLP
Via Business Wire
ALTIMMUNE FINAL DEADLINE REMINDER: Bragar Eagel & Squire, P.C. Urges Investors to Contact the Firm Regarding the October 6th Deadline
October 06, 2025
From Bragar Eagel & Squire
Via GlobeNewswire
Levi & Korsinsky Reminds Altimmune Investors of the Pending Class Action Lawsuit With a Lead Plaintiff Deadline of October 6, 2025 - ALT
October 06, 2025
Via NewMediaWire
Topics Fraud Lawsuit
Levi & Korsinsky Reminds Altimmune Investors of the Pending Class Action Lawsuit With a Lead Plaintiff Deadline of October 6, 2025 - ALT
October 06, 2025
Via TheNewswire.com
Topics Fraud Lawsuit
ALT INVESTOR NOTICE: Faruqi & Faruqi, LLP Investigates Claims on Behalf of Investors of Altimmune
October 05, 2025
From Faruqi & Faruqi LLP
Via GlobeNewswire
ALTIMMUNE CLASS ACTION REMINDER: Bragar Eagel & Squire, P.C. Reminds Investors of October 6th Deadline and Urges Investors to Contact the Firm
October 03, 2025
From Bragar Eagel & Squire
Via GlobeNewswire
Altimmune, Inc. Class Action: Levi & Korsinsky Reminds Altimmune Investors of the Pending Class Action Lawsuit With a Lead Plaintiff Deadline of October 6, 2025 - ALT
October 03, 2025
Via NewMediaWire
Topics Fraud Lawsuit
Altimmune, Inc. Class Action: Levi & Korsinsky Reminds Altimmune Investors of the Pending Class Action Lawsuit With a Lead Plaintiff Deadline of October 6, 2025 - ALT
October 03, 2025
Via TheNewswire.com
Topics Fraud Lawsuit
Contact Levi & Korsinsky by October 6, 2025 Deadline to Join Class Action Against Altimmune, Inc. (ALT)
October 01, 2025
Via NewMediaWire
Topics Fraud Lawsuit
Contact Levi & Korsinsky by October 6, 2025 Deadline to Join Class Action Against Altimmune, Inc. (ALT)
October 01, 2025
Via TheNewswire.com
Topics Fraud Lawsuit
ALT DEADLINE: ROSEN, TRUSTED INVESTOR COUNSEL, Encourages Altimmune, Inc. Investors with Losses in Excess of $100K to Secure Counsel Before Important October 6 Deadline in Securities Class Action - ALT
September 30, 2025
From The Rosen Law Firm PA
Via GlobeNewswire
Altimmune, Inc. Sued for Securities Law Violations - Contact the DJS Law Group to Discuss Your Rights – ALT
September 30, 2025
From DJS Law Group
Via Business Wire
INVESTOR DEADLINE APPROACHING: Faruqi & Faruqi, LLP Investigates Claims on Behalf of Investors of Altimmune
September 30, 2025
From Faruqi & Faruqi LLP
Via GlobeNewswire
DEADLINE APPROACHING: Berger Montague Advises Altimmune, Inc. (NASDAQ: ALT) Investors to Inquire About a Securities Fraud Class Action by October 6, 2025
September 30, 2025
From Berger Montague
Via GlobeNewswire
Altimmune, Inc. Class Action: Levi & Korsinsky Reminds Altimmune Investors of the Pending Class Action Lawsuit With a Lead Plaintiff Deadline of October 6, 2025 - ALT
September 30, 2025
Via NewMediaWire
Topics Fraud Lawsuit
Altimmune, Inc. Class Action: Levi & Korsinsky Reminds Altimmune Investors of the Pending Class Action Lawsuit With a Lead Plaintiff Deadline of October 6, 2025 - ALT
September 30, 2025
Via TheNewswire.com
Topics Fraud Lawsuit
ALTIMMUNE (ALT) DEADLINE ALERT: Bragar Eagel & Squire, P.C. Urges Investors to Contact the Firm Before the October 6th Deadline in the Altimmune Class Action Lawsuit
September 29, 2025
From Bragar Eagel & Squire
Via GlobeNewswire
10 Health Care Stocks With Whale Alerts In Today's Session
September 29, 2025
Via Benzinga
Investors Who Lost Money on Altimmune, Inc. (ALT) Should Contact Levi & Korsinsky About Pending Class Action - ALT
September 29, 2025
Via NewMediaWire
Topics Fraud Lawsuit
Investors Who Lost Money on Altimmune, Inc. (ALT) Should Contact Levi & Korsinsky About Pending Class Action - ALT
September 29, 2025
Via TheNewswire.com
Topics Fraud Lawsuit
ALT DEADLINE: ROSEN, GLOBAL INVESTOR COUNSEL, Encourages Altimmune, Inc. Investors to Secure Counsel Before Important October 6 Deadline in Securities Class Action - ALT
September 27, 2025
From The Rosen Law Firm PA
Via GlobeNewswire
Altimmune, Inc. Sued for Securities Law Violations - Investors Should Contact Levi & Korsinsky for More Information - ALT
September 26, 2025
Via NewMediaWire
Topics Fraud Lawsuit

Frequently Asked Questions

Is Altimmune, Inc. - Common Stock publicly traded?
Yes, Altimmune, Inc. - Common Stock is publicly traded.
What exchange does Altimmune, Inc. - Common Stock trade on?
Altimmune, Inc. - Common Stock trades on the Nasdaq Stock Market
What is the ticker symbol for Altimmune, Inc. - Common Stock?
The ticker symbol for Altimmune, Inc. - Common Stock is ALT on the Nasdaq Stock Market
What is the current price of Altimmune, Inc. - Common Stock?
The current price of Altimmune, Inc. - Common Stock is 4.050
When was Altimmune, Inc. - Common Stock last traded?
The last trade of Altimmune, Inc. - Common Stock was at 10/31/25 04:00 PM ET
What is the market capitalization of Altimmune, Inc. - Common Stock?
The market capitalization of Altimmune, Inc. - Common Stock is 344.56M
How many shares of Altimmune, Inc. - Common Stock are outstanding?
Altimmune, Inc. - Common Stock has 345M shares outstanding.
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