Altimmune, Inc.

Altimmune, Inc.

ALTยทNASDAQ

$2.96

+1.9%
HealthcareBiotechnology

Altimmune, Inc., a clinical stage biopharmaceutical company, focuses on developing treatments for obesity and liver diseases. The company's lead product candidate, pemvidutide (proposed INN, formerly known as ALT-801), is a GLP-1/glucagon dual receptor agonist that is in Phase 1b trial for the treatment of obesity and non-alcoholic steatohepatitis. It is also developing HepTcell, an immunotherapeutic product candidate, which is in Phase 2 clinical trial for patients chronically infected with the hepatitis B virus. The company was formerly known as Vaxin Inc. and changed its name to Altimmune, Inc. in September 2015. Altimmune, Inc. was founded in 1997 is headquartered in Gaithersburg, Maryland.

At a Glance

Live Snapshot
Market Cap$260.80M
EPS-1.0000
P/E Ratio-2.96
Earnings Date08/06/2026

SEC Filings

ALT - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
10-Q

10-Q 2026 Q1

Q1

May 13, 2026
March 31, 2026
2026
8-K

8-K 2026

N/A

May 13, 2026
May 13, 2026
2026
8-K

8-K 2026

N/A

April 24, 2026
April 22, 2026
2026
8-K

8-K 2026

N/A

April 16, 2026
April 16, 2026
2026
DEF 14A

DEF 14A 2026

N/A

March 17, 2026
April 16, 2026
2026
10-K

10-K 2025 FY

FY

March 06, 2026
December 31, 2025
2025
8-K

8-K 2026

N/A

March 05, 2026
March 05, 2026
2026
8-K

8-K 2026

N/A

February 03, 2026
February 02, 2026
2026
8-K

8-K 2026

N/A

January 28, 2026
January 27, 2026
2026
8-K

8-K 2025

N/A

December 19, 2025
December 19, 2025
2025
Showing 1 to 10 of 425 filings

Understanding SEC Filings

Essential regulatory documents for investors

SEC filings are mandatory documents that publicly traded companies must submit to the Securities and Exchange Commission. These reports provide critical insights into a company's financial health, operations, risks, and strategic direction. For investors conducting due diligence, these filings are the most authoritative source of company information.

10-K

Annual Report

Comprehensive annual financial report filed within 60-90 days of fiscal year-end. Includes audited financial statements, management discussion & analysis (MD&A), risk factors, and detailed business operations. The most thorough financial disclosure of the year.

Filed annually
10-Q

Quarterly Report

Unaudited quarterly financial report filed within 40-45 days after each of the first three fiscal quarters. Provides updates on financial position, results of operations, and significant events. Essential for tracking quarterly performance trends.

Filed 3 times per year
8-K

Current Report

Event-driven filing for material events that shareholders should know about, filed within 4 business days. Includes acquisitions, executive changes, bankruptcy, earnings releases, and other significant developments. Critical for staying informed about breaking news.

Filed as events occur
DEF 14A

Proxy Statement

Definitive proxy statement sent to shareholders before annual meetings. Contains executive compensation details, board member information, voting matters, and corporate governance policies. Key for understanding management incentives and board composition.

Filed before shareholder meetings
S-1

Registration Statement

Initial registration for securities offerings, including IPOs. Provides detailed company history, business model, financial statements, risk factors, and use of proceeds. Essential for evaluating new investment opportunities and understanding company fundamentals.

Filed for new offerings
20-F

Foreign Annual Report

Annual report for foreign private issuers, equivalent to Form 10-K for non-U.S. companies. Filed within 4-6 months of fiscal year-end. Contains audited financials, business description, and regulatory disclosures adapted for international companies.

Foreign companies only

Why SEC Filings Matter

  • Regulatory Accuracy: Filings are subject to SEC review and legal penalties for misstatements, ensuring high data quality
  • Management Insights: MD&A sections reveal management's perspective on trends, challenges, and future outlook
  • Risk Assessment: Detailed risk factor disclosures help investors understand potential threats to business operations
  • Competitive Analysis: Business descriptions and segment data enable comparison with industry peers
  • Historical Context: Years of filings provide trend analysis and context for current performance