[Form 4] PHINIA Inc. Insider Trading Activity

Rhea-AI Filing Summary

PHINIA Vice President of Operational Excellence, Christopher Gustanski, reported insider trading activity on June 16, 2025. The transaction involved the acquisition of 91 shares of common stock through dividend reinvestment on restricted stock holdings at a price of $0.

Key transaction details:

• Total beneficial ownership following the transaction: 23,146 shares
• Of the total shares owned, 14,478 are restricted stock including reinvested dividends
• Ownership form is direct (D)
• Transaction was executed under transaction code 'A' (Grant, award, or other acquisition)

The Form 4 was filed on June 28, 2025, and signed by Kate Vandenberg as attorney-in-fact for Christopher Gustanski on June 18, 2025. This transaction represents automatic dividend reinvestment as required by the terms of the restricted stock awards.

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
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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^*

Gustanski Christopher

(Last) (First) (Middle)

3000 UNIVERSITY DRIVE

(Street)

AUBURN HILLS MI 48326

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
PHINIA INC. [ PHIN ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP, Operational Excellence

3. Date of Earliest Transaction (Month/Day/Year)
06/16/2025

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
Common Stock	06/16/2025		A		91(1)	A	$0	23,146(2)	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. Reflects shares of restricted stock acquired following the automatic reinvestment of dividends on outstanding restricted stock held on the dividend record date, as required by the terms of such awards.

2. Includes 14,478 shares of restricted stock, including reinvested dividends.

Remarks:

Power of Attorney is attached hereto as Exhibit 24.

	/s/ Kate Vandenberg as attorney-in-fact for Christopher Gustanski	06/18/2025
	** 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

How many PHIN shares did Christopher Gustanski acquire on June 16, 2025?

According to the Form 4 filing, Christopher Gustanski acquired 91 shares of PHIN common stock on June 16, 2025, through dividend reinvestment on his existing restricted stock holdings.

What is Christopher Gustanski's position at PHIN?

Christopher Gustanski serves as VP, Operational Excellence at PHINIA Inc., as disclosed in the Form 4 filing.

What is the total number of PHIN shares Christopher Gustanski owns after the reported transaction?

Following the reported transaction, Christopher Gustanski beneficially owns a total of 23,146 shares of PHIN, including 14,478 shares of restricted stock with reinvested dividends. All shares are held directly.

What was the purchase price for PHIN shares acquired by Gustanski in this transaction?

The shares were acquired at $0 cost, as they were received through automatic dividend reinvestment on existing restricted stock holdings, as required by the terms of the awards.

When was this Form 4 filing signed for PHIN?

The Form 4 was signed on June 18, 2025, by Kate Vandenberg acting as attorney-in-fact for Christopher Gustanski.