Company: PRMB
Filing Date: 2025-12-02
Form Type: POS AM
Source: 0001193125-25-305432
Chunk: 1

Company: Primo Brands Corp
Filing Date: 2025-12-02
Form: POS AM
Chunk 1
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 same offering. ☐ If this Form is a registration statement pursuant to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act, check the following box. ☐ If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction I.D. filed to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act, check the following box. ☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-acceleratedfiler, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2of the Exchange Act.

| Large accelerated filer |     | ☐ |     | Accelerated filer         |     | ☐ |
| Non-accelerated filer   |     | ☒ |     | Smaller reporting company |     | ☐ |
|                         |     |   |     | Emerging growth company   |     | ☐ |

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of Securities Act. ☐ The registrant hereby amends this registration statement on such date or dates as may be necessary to delay its effective date until the registrant shall file a further amendment which specifically states that this registration statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933 or until the registration statement shall become effective on such date as the Commission, acting pursuant to said Section 8(a), may determine.

EXPLANATORY NOTE

The registration statement of Primo Brands Corporation (the “Company”, “us”, or “our”) on Form S-1 (File No. 333-284501) originally declared effective by the Securities and Exchange Commission (the “SEC”) on March 7, 2025 (the “Existing Registration Statement”)
covered the (i) resale or other disposition of up to 218,618,368 shares (the “Original Resale Shares”) of our Class A common stock, par value $0.01 per share (the “Class A common stock”),