Company: PRMB
Filing Date: 2025-12-02
Form Type: POS AM
Source: 0001193125-25-305432
Chunk: 2

Company: Primo Brands Corp
Filing Date: 2025-12-02
Form: POS AM
Chunk 2
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 by the selling
stockholders named in the Existing Registration Statement or their Permitted Transferees (as defined therein) and (ii) issuance by us of up to 206,040 shares of Class A common stock reserved for issuance upon the exercise of options to
purchase shares of Class A common stock, with a weighted average exercise price of $14.63 (the “Options”).

This
Post-Effective Amendment No. 1 to the Existing Registration Statement (this “Post-Effective Amendment No. 1”) (a) is being filed to convert the Existing Registration Statement on Form S-1
into a registration statement on Form S-3, and (b) contains an updated prospectus relating to (i) the resale or other disposition of up to 116,210,806 shares (the “Resale Shares”) of
Class A common stock by the selling stockholder named herein or its Permitted Transferees, or the amount of Original Resale Shares remaining following the resale of shares pursuant to the Existing Registration Statement, and (ii) the issuance
of up to 58,488 shares underlying the Options (the “Option Shares”), or the amount remaining following the issuance of shares in connection with the exercise of Options referred to in the Existing Registration Statement. This Post-Effective Amendment No. 1 amends and restates the information contained in the Existing Registration Statement under the headings contained herein.

All filing fees payable in connection with the registration of the Resale Shares and the Option Shares covered by this Post-Effective
Amendment No. 1 were paid by the Company at the time of the initial filing of the Existing Registration Statement. No additional securities are registered hereby.

The information in this preliminary prospectus is not complete and may be changed. These securities may not be sold until the registration statement filed with the U.S. Securities and Exchange Commission is effective. This preliminary prospectus is not an offer to sell nor does it seek an offer to buy these securities in any state or jurisdiction where the offer or sale is not permitted.

SUBJECT TO COMPLETION, DATED DECEMBER 2, 2025

PRELIMINARY PROSPECTUS

Primo Brands Corporation

Resale of up to 116,210,806 Shares of Class A Common Stock

Issuance of up to 58,488 shares of Class A Common Stock underlying Options

This prospectus relates to the (i) resale or other disposition of up to 116,210,806 shares (