Company: ARMP
Filing Date: 2025-12-01
Form Type: 424B5
Source: 0001104659-25-117382
Chunk: 28

Company: Armata Pharmaceuticals, Inc.
Filing Date: 2025-12-01
Form: 424B5
Chunk 28
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 have filed with the SEC a registration statement
on Form S-3 under the Securities Act, with respect to the securities being offered by this prospectus supplement and the accompanying
base prospectus. This prospectus supplement and the accompanying base prospectus do not contain all of the information in the registration
statement (of which the base prospectus is a part) and its exhibits. For further information with respect to us and the securities offered
by this prospectus supplement, we refer you to the registration statement and its exhibits. Statements contained in this prospectus supplement
as to the contents of any contract or any other document referred to are not necessarily complete, and in each instance, we refer you
to the copy of the contract or other document filed as an exhibit to the registration statement. Each of these statements is qualified
in all respects by this reference. The SEC maintains a website that contains reports, proxy statements, and other information about registrants,
like us, that file electronically with the SEC. The address of that website is www.sec.gov. The information contained in,
or that can be accessed through, the SEC’s website is not incorporated by reference in, and is not part of, this prospectus supplement
or the accompanying base prospectus.

We are subject to the information and periodic
reporting requirements of the Exchange Act, and we file periodic reports, proxy statements and other information with the SEC. We maintain
a website at https://www.armatapharma.com. You may access our annual reports on Form 10-K, quarterly reports on Form 10-Q,
current reports on Form 8-K and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of
the Exchange Act with the SEC free of charge at our website as soon as reasonably practicable after such material is electronically filed
with, or furnished to, the SEC. The information contained in, or that can be accessed through, our website is not incorporated by reference
in, and is not part of, this prospectus supplement or the accompanying base prospectus.

<div align='center'>INCORPORATION OF CERTAIN INFORMATION BY REFERENCE</div>

The SEC allows us to “incorporate by reference”
information that we file with it, which means that we can disclose important information to you by referring you to those documents. The
information incorporated by reference is an important part of this prospectus. Information in this prospectus supersedes information incorporated
by reference that we filed with the SEC prior to