Company: REVB
Filing Date: 2025-09-30
Form Type: S-3/A
Source: 0001193125-25-223617
Chunk: 2

Company: REVELATION BIOSCIENCES, INC.
Filing Date: 2025-09-30
Form: S-3/A
Chunk 2
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arrants are exercisable after and for five years from the date of stockholder approval at an exercise price of $2.20 per share. We are not selling any shares of common stock under this prospectus and will not receive any proceeds from the sale of the shares of common stock. We may, however, receive proceeds from any warrants that are exercised through the payment of the exercise price in cash, in a maximum amount of up to approximately $28,743,000. We are paying however all of the fees and expenses in connection with the registration of the shares of common stock.

Our common stock is listed on the Nasdaq Capital Market under the symbol “REVB.” On September 11, 2025, the last reported sale price of our common stock on the Nasdaq Capital Market was $2.00.

Investing in our securities involves a high degree of risk. You should carefully consider the risk factors incorporated by reference from our filings with the Securities and Exchange Commission under the Securities Exchange Act of 1934, as amended, including particularly the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2024, before you invest in our securities.

<div align='center'>The date of this prospectus is , 2025</div>

TABLE OF CONTENTS

|                                                   | Page |
| ABOUT THIS PROSPECTUS                             |    1 |
| SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS |    2 |
| PROSPECTUS SUMMARY                                |    3 |
| ABOUT THE COMPANY                                 |    3 |
| SUMMARY OF THE OFFERING                           |    3 |
| RISK FACTORS                                      |    4 |
| USE OF PROCEEDS                                   |    5 |
| PRIVATE PLACEMENT OF WARRANTS                     |    6 |
| SELLING STOCKHOLDERS                              |    7 |
| PLAN OF DISTRIBUTION                              |    8 |
| EXPERTS                                           |   10 |
| LEGAL MATTERS                                     |   10 |
| WHERE YOU CAN FIND MORE INFORMATION               |   11 |
| INCORPORATION OF CERTAIN INFORMATION BY REFERENCE |   12 |

This prospectus is part of a registration statement on Form S-3 that we filed with the U.S. Securities and Exchange Commission (the “SEC”). You should read this prospectus and the information and documents incorporated by reference carefully. Such documents contain important information you should consider when making your investment decision. See “Where You Can Find