Company: ARMP
Filing Date: 2025-08-13
Form Type: S-3
Source: 0001104659-25-077648
Chunk: 31

Company: Armata Pharmaceuticals, Inc.
Filing Date: 2025-08-13
Form: S-3
Chunk 31
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 of any warrant. A single bank or trust company may act as warrant agent for more than one issue of warrants. A warrant agent
will have no duty or responsibility in case of any default by us under the applicable warrant agreement or warrant, including any duty
or responsibility to initiate any proceedings at law or otherwise, or to make any demand upon us. Any holder of a warrant may, without
the consent of the related warrant agent or the holder of any other warrant, enforce by appropriate legal action its right to exercise,
and receive the securities purchasable upon exercise of, its warrants.

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DESCRIPTION OF UNITS</div>

We may issue units comprised
of one or more of the other classes of securities described in this prospectus in any combination. Each unit will be issued so that the
holder of the unit is also the holder of each security included in the unit. Thus, the holder of a unit will have the rights and obligations
of a holder of each included security. The units may be issued under unit agreements to be entered into between us and a unit agent, as
detailed in the prospectus supplement relating to the units being offered. The prospectus supplement will describe:

| · | the designation and terms of the units and of                                                                                          
 the securities comprising the units, including whether and under what circumstances the securities comprising the units may be held or 
 transferred separately;                                                                                                                |

| · | a description of the terms of any unit agreement 
 governing the units;                             |

| · | a description of the provisions for the payment, 
 settlement, transfer or exchange of the units;   |

| · | a discussion of material federal income tax considerations, 
 if applicable; and                                          |

| · | whether the units if issued as a separate security 
 will be issued in fully registered or global form. |

The descriptions of the units
in this prospectus and in any prospectus supplement are summaries of the material provisions of the applicable unit agreements. These
descriptions do not restate those unit agreements in their entirety and may not contain all the information that you may find useful.
We urge you to read the applicable unit agreements because they, and not the summaries, define your rights as holders of the units. For
more information, please review the forms of the relevant unit agreements, which will be filed with the SEC promptly after the offering
of units and will be available as described in the section titled “Where You Can Find More Information.”

<div align='center'>22

LEGAL OWN