Company: ARMP
Filing Date: 2025-12-01
Form Type: 424B5
Source: 0001104659-25-117382
Chunk: 3

Company: Armata Pharmaceuticals, Inc.
Filing Date: 2025-12-01
Form: 424B5
Chunk 3
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, and Jones has not, authorized anyone to provide
you with different or additional information and you must not rely on any unauthorized information or representations. You should assume
that the information appearing in this prospectus supplement, the accompanying base prospectus, the documents incorporated by reference
in this prospectus supplement and the accompanying base prospectus and any free writing prospectus we have provided for use in connection
with this offering is accurate only as of the respective dates of those documents. Our business, financial condition, results of operations
and prospects may have changed since those dates. You should carefully read this prospectus supplement, the accompanying base prospectus and the information and documents incorporated herein by reference herein and therein, as well as any free writing prospectus we have provided for use in connection with this offering, before making an investment decision. See “Incorporation of Certain Information by Reference” and “Where You Can Find More Information” in this prospectus supplement and similar headings in the accompanying base prospectus.

This prospectus supplement and the accompanying
base prospectus contain summaries of certain provisions contained in some of the documents described herein, but reference is made to
the actual documents for complete information. All of the summaries are qualified in their entirety by the full text of the actual documents,
some of which have been filed or will be filed and incorporated by reference herein. See “Where You Can Find More Information”
in this prospectus supplement. We further note that the representations, warranties and covenants made by us in any agreement that is
filed as an exhibit to any document that is incorporated by reference into this prospectus supplement or the accompanying base prospectus
were made solely for the benefit of the parties to such agreement, including, in some cases, for the purpose of allocating risk among
the parties to such agreements, and should not be deemed to be a representation, warranty or covenant to you. Moreover, such representations,
warranties or covenants were accurate only as of the date when made. Accordingly, such representations, warranties and covenants should
not be relied on as accurately representing the current state of our affairs.

References in this prospectus supplement to “Armata,”
the “Company,” “we,” “us” and “our” refer to Armata Pharmaceuticals, Inc. and its subsidiaries,
on a consolidated basis, unless the context requires otherwise.

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SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS</div>

This prospectus supplement and the documents incorporated