ALT Altimmune, Inc.
NASDAQActiveCommon stock
ALT is the ticker symbol of Altimmune, Inc., which is listed on NASDAQ.
ALT at a glance
- Symbol
- ALT
- Company / issuer
- Altimmune, Inc.
- Security type
- Common stock
- Exchange
- NASDAQ
- Status
- Actively traded
- Seen in listing files
- Aug 2018 – present
- Sector
- Health Care
- Industry
- Biotechnology: Pharmaceutical Preparations
- Country
- United States
- Market cap
- $591.3 million (Sep 2026)
Altimmune, Inc. company profile
- Industry (SIC)
- Pharmaceutical Preparations
- Headquarters
- Gaithersburg, MD
- Incorporated in
- DE
- Fiscal year end
- December 31
- SEC filer category
- Non-accelerated filer<br>Smaller reporting company
- Latest annual report
- 10-K filed 2026-03-06
- Latest interim report
- 10-Q filed 2026-08-12
- SEC CIK
- 1326190
Former company names
- Pharmathene, Inc (until 2017)
- Healthcare Acquisition Corp (until 2007)
Source: SEC EDGAR filer data.
ALT price chart
Interactive chart provided by TradingView (loads third-party scripts).
Frequently asked questions
What company has the ticker symbol ALT?
ALT is the ticker symbol of Altimmune, Inc on NASDAQ.
Is ALT still trading?
Yes. ALT appears in the current NASDAQ listings as of Sep 2026.
Which exchange is ALT listed on?
ALT is listed on NASDAQ.
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