Company: PRMB
Filing Date: 2025-03-07
Form Type: 424B3
Source: 0001193125-25-049851
Chunk: 0

Company: Primo Brands Corp
Filing Date: 2025-03-07
Form: 424B3
Chunk 0
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Filed Pursuant to Rule 424(b)(3)
Registration No. 333-284501

Prospectus

Primo Brands Corporation

Resale of up to 218,618,368 Shares of Class A Common Stock

Issuance of up to 206,040 shares of Class A Common Stock underlying Options

This prospectus relates to the (i) resale or other disposition of up to 218,618,368 shares (the “Resale Shares”) of our
Class A common stock, par value $0.01 per share (the “Class A common stock”), by the selling stockholders named in this prospectus or their Permitted Transferees (as defined herein) and (ii) issuance by us of up to 206,040
shares of Class A common stock (the “Option Shares”) 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 per share.

On November 8, 2024, we consummated the transactions contemplated by that certain Arrangement Agreement and Plan of Merger, dated as of
June 16, 2024, as amended by that certain Amendment No. 1 thereto dated October 1, 2024 (as amended, the “Arrangement Agreement”), by and among Primo Water Corporation, a company existing under the laws of Ontario
(“Primo Water”), Triton Water Parent, Inc., formerly a Delaware corporation (“BlueTriton”), Primo Brands Corporation (formerly known as Triton US HoldCo, Inc.), a Delaware corporation and formerly a wholly-owned subsidiary of
BlueTriton (“Primo Brands” or the “Company”), Triton Merger Sub 1, Inc., formerly a wholly-owned subsidiary of the Company (“Merger Sub”), and 1000922661 Ontario Inc., formerly a wholly-owned subsidiary of the Company
(“Amalgamation Sub”). As contemplated by the Arrangement Agreement, Amalgamation Sub acquired all of the issued and outstanding common shares of Primo Water in exchange for shares of our Class A common stock, followed immediately by
an amalgamation of Primo Water and Amalgamation Sub, with the resulting amalgamated entity, named “Primo Water Corporation,” becoming a wholly-owned subsidiary of the Company (the “Arrangement”). Following the Arrangement, Merger
Sub merged with and into BlueTriton (the “Merger”), with BlueTriton surviving the