PHINIA insider acquires 52 restricted shares via dividend reinvest

PHINIA Inc. reported that officer Christopher Gustanski, VP, Operational Excellence, acquired 52 shares of common stock as restricted stock on 12/12/2025 at a price of $0.

Rhea-AI Filing Summary

PHINIA Inc. reported that officer Christopher Gustanski, VP, Operational Excellence, acquired 52 shares of common stock as restricted stock on 12/12/2025 at a price of $0.

The filing explains these restricted shares were issued through automatic reinvestment of dividends on existing restricted stock awards. After this transaction, Gustanski directly beneficially owns 19,140 PHINIA shares, including 11,013 shares of restricted stock.

Insider Trade Summary

Grant/Award: 52 shares

Grant/Award 1 txn

Insider Gustanski Christopher

Role VP, Operational Excellence

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	52	$0.00	$0.00

Holdings After Transaction: Common Stock — 19,140 shares (Direct)

Footnotes (2)

1. F1. 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. F2. Includes 11,013 shares of restricted stock.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did PHINIA (PHIN) report in this filing?

PHINIA Inc. reported that officer Christopher Gustanski acquired 52 shares of common stock as restricted stock on 12/12/2025 at a price of $0.

Who is the PHINIA (PHIN) insider involved and what is his role?

The insider is Christopher Gustanski, who serves as VP, Operational Excellence at PHINIA Inc.

How were the 52 PHINIA (PHIN) shares acquired by the insider?

The 52 restricted shares were acquired through the automatic reinvestment of dividends on outstanding restricted stock, as required by the terms of those awards.

How many PHINIA (PHIN) shares does the insider own after this transaction?

Following the transaction, Christopher Gustanski directly beneficially owns 19,140 PHINIA shares, which include 11,013 shares of restricted stock.

Was there any cash price paid for the PHINIA (PHIN) shares acquired?

No cash price was paid for these restricted shares; the filing reports an acquisition price of $0 per share for the 52 shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 12/15/2025 - 05:46 PM EST Learn about SEC filing dates

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^*

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)
12/12/2025

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	12/12/2025		A		52(1)	A	$0	19,140(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 11,013 shares of restricted stock.

Remarks:

	/s/ Kelly A. Albin as attorney-in-fact for Christopher Gustanski	12/15/2025
	** 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.