[Form 4] Primo Brands Corp Insider Trading Activity

Rhea-AI Filing Summary

Primo Brands Corp reported insider open‑market purchases by its Executive Chair and CEO. The reporting person bought Class A common stock on two dates: 123,049 shares on 11/11/2025 at a weighted average price of $15.5249, and 4,970 shares on 11/12/2025 at a weighted average price of $16.15. After these transactions, the person directly owned 360,036 shares.

The filing notes the trades used weighted average pricing across ranges: $15.35–$15.73 on 11/11 and $16.02–$16.30 on 11/12, with details available upon request. The purchases were reported as direct ownership and were made consistent with Rule 10b‑18 limitations.

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^*

FOSS ERIC J

(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)
	Exec. Chair and CEO

3. Date of Earliest Transaction (Month/Day/Year)
11/11/2025

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	11/11/2025		P		123,049(1)	A	$15.5249(2)	355,066	D
Class A Common Stock	11/12/2025		P		4,970(1)	A	$16.15(3)	360,036	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:

1. All shares were purchased in accordance with the daily volume and other limitations and requirements of Rule 10b-18.

2. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $15.35 to $15.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

3. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $16.02 to $16.30, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.

	/s/ Michael James, Attorney-in-Fact	11/13/2025
	** 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

What insider activity did PRMB report?

Open‑market purchases of Class A common stock on 11/11/2025 and 11/12/2025 by the Executive Chair and CEO.

How many PRMB shares were purchased and at what prices?

On 11/11/2025, 123,049 shares at a weighted average of $15.5249; on 11/12/2025, 4,970 shares at $16.15.

How many PRMB shares does the insider own after these trades?

The insider directly owns 360,036 shares following the reported transactions.

What were the price ranges for the weighted averages?

Trades ranged from $15.35–$15.73 on 11/11 and $16.02–$16.30 on 11/12.

Were any derivative securities reported for PRMB?

No. Table II shows no derivative securities acquired, disposed of, or held.

What trading constraints are mentioned?

The filing states purchases were made in accordance with Rule 10b‑18 limitations and requirements.