Company: ARMP
Filing Date: 2025-12-01
Form Type: 424B5
Source: 0001104659-25-117382
Chunk: 32

Company: Armata Pharmaceuticals, Inc.
Filing Date: 2025-12-01
Form: 424B5
Chunk 32
---
 any
12-month period so long as our public float remains below $75.0 million. As of the date hereof, we have not offered any securities
pursuant to General Instruction I.B.6 of Form S-3 during the 12 calendar months prior to and including the date of this
prospectus.

The securities may be sold
directly by us to investors, through agents designated from time to time or to or through underwriters or dealers, on a continuous or
delayed basis. For additional information on the methods of sale, you should refer to the section entitled “Plan of Distribution”
in this prospectus and in the applicable prospectus supplement. If any agents or underwriters are involved in the sale of any securities
with respect to which this prospectus is being delivered, the names of such agents or underwriters and any applicable fees, commissions,
discounts and options to purchase additional securities will be set forth in a prospectus supplement. The price to the public of such
securities and the net proceeds that we expect to receive from such sale will also be set forth in a prospectus supplement.

Neither the U.S. Securities
and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus
is truthful or complete. Any representation to the contrary is a criminal offense.

<div align='center'>The date of this Prospectus is, 2025.

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TABLE OF CONTENTS</div>

| ABOUT                                     
 THIS PROSPECTUS                           |  1 |
| SUMMARY                                   |  2 |
| RISK                                      
 FACTORS                                   |  8 |
| THE                                       
 SECURITIES WE MAY OFFER                   |  9 |
| SPECIAL                                   
 NOTE REGARDING FORWARD-LOOKING STATEMENTS | 11 |
| USE                                       
 OF PROCEEDS                               | 14 |
| DESCRIPTION                               
 OF CAPITAL STOCK                          | 15 |
| DESCRIPTION                               
 OF THE DEBT SECURITIES                    | 18 |
| DESCRIPTION                               
 OF WARRANTS                               | 20 |
| DESCRIPTION                               
 OF UNITS                                  | 22 |
| LEGAL                                     
 OWNERSHIP OF SECURITIES                   | 23 |
| PLAN                                      
 OF DISTRIBUTION                           | 26 |
| LEGAL                                     
 MATTERS                                   | 28 |
| EXPERTS                                   | 29 |
| WHERE                                     
 YOU CAN FIND MORE INFORMATION             | 30 |
| INCORPORATION                             
 OF CERTAIN INFORMATION BY REFERENCE