Company: ARMP
Filing Date: 2025-12-01
Form Type: 424B5
Source: 0001104659-25-117382
Chunk: 57

Company: Armata Pharmaceuticals, Inc.
Filing Date: 2025-12-01
Form: 424B5
Chunk 57
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 which a series of debt securities                                                                                        
 may be convertible into or exchangeable for our common stock, any other of our securities or securities of a third party, and whether 
 conversion or exchange is mandatory, at the option of the holder or at our option;                                                    |

| · | events of default; |

| · | whether we and/or the debenture trustee may change 
 an indenture without the consent of any holders;   |

| · | the form of debt security and how it may be exchanged 
 and transferred;                                      |

| · | descriptions of the debenture trustee and paying 
 agent, and the method of payments; and           |

| · | any other specific terms, preferences, rights                                                                                             
 or limitations of, or restrictions on, the debt securities, including any additional events of default or covenants provided with respect 
 to the debt securities, and any terms which may be required by us or advisable under applicable laws or regulations.                      |

Specific indentures will contain
additional important terms and provisions and will be incorporated by reference as an exhibit to the registration statement that includes
this prospectus, or as an exhibit to a report filed under the Exchange Act, incorporated by reference in this prospectus.

<div align='center'>19

DESCRIPTION OF WARRANTS</div>

We may issue warrants for
the purchase of common stock or preferred stock, in one or more series. We may issue warrants independently or together with common stock,
preferred stock or debt securities, and the warrants may be attached to or separate from our common stock, preferred stock or debt securities.
While the terms summarized below will apply generally to any warrants that we may offer, we will describe the particular terms of any
series of warrants in more detail in the applicable prospectus supplement. The terms of any warrants offered under a prospectus supplement
may differ from the terms described below.

We will file as an exhibit
to the registration statement of which this prospectus is a part, or will incorporate by reference from reports that we file with the
SEC, the form of warrant agreement, including a form of warrant certificate, that describes the terms of the particular series of warrants
we are offering before the issuance of the related series of warrants. The following summaries of material provisions of the warrants
and the warrant agreements are subject to, and qualified in their entirety by reference to, all the provisions of the warrant agreement
and warrant certificate applicable to the particular series of warrants that we may offer under this prospectus. We urge you to read the
app