Rietbroek Increases Stake to 586,349 Shares in PRMB Insider Purchase

Rhea-AI Filing Summary

Primo Brands director and Chief Executive Officer Rietbroek Robbert reported a purchase of 8,285 shares of Class A common stock on 08/13/2025 at a reported price of $24.12. Following the transaction, his beneficial ownership is shown as 586,349 shares. The disclosure was made on a Form 4 and no derivative securities were reported in the filing.

Positive

• Insider purchase: Reporting person bought 8,285 Class A shares at $24.12 per share
• Leadership involvement: Transaction executed by the company's Chief Executive Officer and Director, increasing beneficial ownership to 586,349 shares

Negative

• None.

Insights

Securities Analyst

TL;DR: CEO purchased 8,285 Class A shares at $24.12, raising beneficial ownership to 586,349 shares.

The Form 4 shows a direct purchase by Rietbroek Robbert on 08/13/2025 of 8,285 Class A common shares at a reported price of $24.12 per share. For investors, this is a clear, transparent insider purchase disclosed under Section 16. The transaction size relative to total outstanding shares is not provided, so market-impact assessment is limited. No derivatives were reported, indicating the activity was a straight equity purchase.

Corporate Governance Expert

TL;DR: Insider purchase by CEO aligns executive and shareholder interests; filing appears routine and compliant.

The report identifies the reporting person as both a director and the Chief Executive Officer, and documents a purchased stake that increased reported beneficial ownership to 586,349 shares. The filing contains a standard Form 4 disclosure and includes no derivative transactions or additional arrangements in the tables provided. This transaction is a typical governance signal but lacks context on intent or magnitude relative to total share count.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Rietbroek Robbert

(Last) (First) (Middle)

1150 ASSEMBLY DRIVE, SUITE 800

(Street)

TAMPA FL 33607

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Primo Brands Corp [ PRMB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/13/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	08/13/2025		P		8,285	A	$24.12	586,349	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Michael James, Attorney-in-Fact	08/14/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

Who filed the Form 4 for PRMB?

The Form 4 lists Rietbroek Robbert as the reporting person, identified as a Director and the Chief Executive Officer.

What transaction is reported on the PRMB Form 4?

A purchase of 8,285 shares of Class A common stock on 08/13/2025 at a reported price of $24.12 per share.

How many PRMB shares did the insider own after the transaction?

The filing shows beneficial ownership of 586,349 shares following the reported transaction.

Were any derivative securities reported for PRMB in this filing?

No derivative securities were reported in Table II of the filing; only a non-derivative equity transaction is shown.

What form documents this insider activity for PRMB?

The transaction is disclosed on a Form 4, Statement of Changes in Beneficial Ownership.