Companies: 10,795·Total market cap: $144.5T
Altimmune, Inc.

Altimmune, Inc.

ALTNASDAQHealthcare● Active
$2.73
+$0.02(+0.74%)
Market Cap$240942429
P/E Ratio
52W High$7.73
52W Low$2.56
Overview

Altimmune, Inc. (ALT) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0001326190 · ALT · NASDAQ · as of Jun 8, 2026

Filing snapshot

1,001+
Total Filings
SCHEDULE 13G/A
Latest Form
2026-05-15
Most Recent
2017
Filing Since

Source: SEC EDGAR (data.sec.gov) · CIK 0001326190 · Updated hourly · Not investment advice

Latest Annual Report

10-K · Annual ReportFY
Filed Date
2026-03-06
Fiscal Year End
Mar 6, 2026
Accession No.
0001326190-26-000018
Primary Document
alt-20251231x10k.htm
Source: data.sec.gov · CIK 0001326190 · Accession 0001326190-26-000018

Latest Key Filings

10-QQuarterly Report
10-Q
2026-05-13
8-KCurrent Report
8-K
2026-05-13Material Event
Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

SEC Filing History

Hide Form 4 / 144
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2026-05-15
View
S-8Employee Stock Plan Registration
S-8
2026-05-13
View
10-QQuarterly Report
10-Q
2026-05-13
View
8-KCurrent Report
8-K
2026-05-13
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-05-12
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-05-01
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-05-01
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-05-01
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-04-30
View
8-KCurrent Report
FORM 8-K
2026-04-24
View
424B5424B5
424B5
2026-04-24
View
S-3MEFS-3MEF
S-3MEF
2026-04-22
View
424B5424B5
424B5
2026-04-22
View
8-KCurrent Report
8-K
2026-04-16
View
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2026-03-26
View
Showing 1–15 of 567 filingsForm 4 / 144 hidden· 1001 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0001326190  |  Exchange: NASDAQ · Healthcare

Altimmune, Inc. (NASDAQ: ALT) has submitted 1,001+ documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 2017. As a Healthcare sector company with CIK 0001326190, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Altimmune, Inc.'s most comprehensive regulatory disclosure. The most recent Altimmune, Inc. 10-K was filed on 2026-03-06 for fiscal year ending 2026. Historical ALT 10-K annual reports are available from 2010 through 2026.

Investors researching Altimmune, Inc. SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-08

Frequently Asked Questions

ALT SEC Filings · 8 questions

Altimmune, Inc. (ALT) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 1,001+ filings and access original documents at no cost. Altimmune, Inc.'s CIK is 0001326190.

ALT SEC filingsAltimmune, Inc. SEC documentsfind ALT 10-K