Company: PRMB
Filing Date: 2025-12-05
Form Type: 424B3
Source: 0001193125-25-309678
Chunk: 2

Company: Primo Brands Corp
Filing Date: 2025-12-05
Form: 424B3
Chunk 2
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ING IN OUR SECURITIES.

Our Class A common stock is listed on the New York Stock Exchange (the “NYSE”) under the symbol “PRMB.” On
December 4, 2025 the last reported sale price of our Class A common stock was $16.24 per share.

Neither the U.S. Securities and Exchange Commission nor any other regulatory body has approved or disapproved of these securities or passed upon the accuracy or adequacy of this prospectus. Any representation to the contrary is a criminal offense.

The date of this prospectus is December 4, 2025.

TABLE OF CONTENTS

| ABOUT THIS PROSPECTUS                             |     |  1 |
| SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS |     |  2 |
| DEFINITIONS                                       |     |  4 |
| TRADEMARKS, TRADE NAMES AND SERVICE MARKS         |     |  5 |
| MARKET AND INDUSTRY DATA                          |     |  6 |
| WHERE YOU CAN FIND MORE INFORMATION               |     |  7 |
| INCORPORATION BY REFERENCE                        |     |  8 |
| THE COMPANY                                       |     | 10 |
| RISK FACTORS                                      |     | 11 |
| USE OF PROCEEDS                                   |     | 12 |
| DESCRIPTION OF CAPITAL STOCK                      |     | 13 |
| SELLING STOCKHOLDER                               |     | 21 |
| PLAN OF DISTRIBUTION                              |     | 22 |
| LEGAL MATTERS                                     |     | 27 |
| EXPERTS                                           |     | 27 |

ABOUT THIS PROSPECTUS

This prospectus is part of a registration statement that we filed with the SEC (as defined herein) using a shelf registration process. By
using a shelf registration statement, we and the selling stockholder may sell securities from time to time and in one or more offerings as described in this prospectus. Each time that we or the selling stockholder offer and sell securities, we or
the selling stockholder will provide a prospectus supplement to this prospectus that contains specific information about the securities being offered and sold and the specific 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 or free writing prospectus may also add, update or change information in this prospectus with respect to that offering.
If there is any inconsistency between the information in