Altimmune, Inc. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Gaithersburg, MD
SEC filing record 1 source field available
Fiscal year end
31 December
Altimmune, Inc. has filed 1,452 SEC EDGAR filings since 06 May 2005

SEC filing history

Showing 76-100 of 1,000 matching filings.

Per page
25
Current page
4
4

OWNERSHIP DOCUMENT

Filing date
03 Oct 2025
Reporting date
01 Oct 2025
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3

OWNERSHIP DOCUMENT

Filing date
03 Oct 2025
Reporting date
01 Oct 2025
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4

OWNERSHIP DOCUMENT

Filing date
29 Sep 2025
Reporting date
25 Sep 2025
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4

OWNERSHIP DOCUMENT

Filing date
29 Sep 2025
Reporting date
25 Sep 2025
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4

OWNERSHIP DOCUMENT

Filing date
29 Sep 2025
Reporting date
25 Sep 2025
SEC evidence
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4

OWNERSHIP DOCUMENT

Filing date
29 Sep 2025
Reporting date
25 Sep 2025
SEC evidence
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4

OWNERSHIP DOCUMENT

Filing date
29 Sep 2025
Reporting date
25 Sep 2025
SEC evidence
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4

OWNERSHIP DOCUMENT

Filing date
29 Sep 2025
Reporting date
25 Sep 2025
SEC evidence
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4

OWNERSHIP DOCUMENT

Filing date
29 Sep 2025
Reporting date
25 Sep 2025
SEC evidence
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4

OWNERSHIP DOCUMENT

Filing date
29 Sep 2025
Reporting date
25 Sep 2025
SEC evidence
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4

OWNERSHIP DOCUMENT

Filing date
29 Sep 2025
Reporting date
25 Sep 2025
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4

OWNERSHIP DOCUMENT

Filing date
17 Sep 2025
Reporting date
16 Sep 2025
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3

OWNERSHIP DOCUMENT

Filing date
17 Sep 2025
Reporting date
16 Sep 2025
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UPLOAD File 001-32587

UPLOAD filing

Filing date
19 Aug 2025
Reporting date
Not listed
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ARS File 001-32587

ARS

Filing date
15 Aug 2025
Reporting date
31 Dec 2024
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DEF 14A File 001-32587

DEF 14A

Filing date
15 Aug 2025
Reporting date
25 Sep 2025
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CORRESP

CORRESP filing

Filing date
12 Aug 2025
Reporting date
Not listed
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UPLOAD File 001-32587

UPLOAD filing

Filing date
08 Aug 2025
Reporting date
Not listed
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4

OWNERSHIP DOCUMENT

Filing date
04 Aug 2025
Reporting date
31 Jul 2025
SEC evidence
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4

OWNERSHIP DOCUMENT

Filing date
04 Aug 2025
Reporting date
31 Jul 2025
SEC evidence
Open document Open filing
Next action
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4

OWNERSHIP DOCUMENT

Filing date
04 Aug 2025
Reporting date
31 Jul 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
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