Company: SINT
Filing Date: 2025-10-03
Form Type: 424B5
Source: 0001493152-25-016902
Chunk: 21

Company: Sintx Technologies, Inc.
Filing Date: 2025-10-03
Form: 424B5
Chunk 21
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PECTUS SUMMARY                                |  1 |
| RISK FACTORS                                      |  5 |
| USE OF PROCEEDS                                   |  5 |
| DESCRIPTION OF CAPITAL STOCK                      |  6 |
| DESCRIPTION OF DEBT SECURITIES                    | 21 |
| description of warrants                           | 28 |
| DESCRIPTION OF RIGHTS                             | 30 |
| description of units                              | 31 |
| PLAN OF DISTRIBUTION                              | 32 |
| LEGAL MATTERS                                     | 35 |
| EXPERTS                                           | 35 |
| WHERE YOU CAN FIND MORE INFORMATION               | 35 |
| INCORPORATION BY REFERENCE                        | 35 |

<div align='center'>ABOUT THIS PROSPECTUS</div>

Throughout this prospectus, references to “SINTX,” the “Company,” “we,” “us,” and “our” refer to SINTX Technologies, Inc.

This prospectus is part of a registration statement that we filed with the Securities and Exchange Commission, or SEC, utilizing a “shelf” registration process. Under this shelf registration process, we may sell any combination of the securities described in this prospectus in one or more offerings up to a total dollar amount of $75.0 million. This prospectus provides you with a general description of the securities we may offer. Each time we sell securities under this shelf registration, we will provide a prospectus supplement that will contain specific information about the terms of that offering. We may also authorize one or more free writing prospectuses to be provided to you that may contain material information relating to these offerings. The prospectus supplement and any related free writing prospectus that we may authorize to be provided to you may also add, update or change information contained in this prospectus or in any documents that we have incorporated by reference into this prospectus. You should read this prospectus, any applicable prospectus supplement and any related free writing prospectus, together with the information incorporated herein by reference as described under the heading “Incorporation by Reference.”

You should rely only on the information that we have provided or incorporated by reference in this prospectus, any applicable prospectus supplement and any related free writing prospectus that we may authorize to be provided to you. We have not authorized any dealer, salesman or other person to give any information or to make any representation other than those contained or incorporated by reference in this prospectus, any applicable prospectus supplement or any related free writing prospectus that we may authorize to be provided to you. You must