Sec Form 4 Filing - Yang Hongyong @ PHINIA INC. - 2025-02-28

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

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Yang Hongyong 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 and GM Fuel Syst. Asia Pac (Last) (First) (Middle) 3000 UNIVERSITY DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 02/28/2025 (Street) AUBURN HILLS, MI48326 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 02/28/2025 M 1,130 A 1,130 D Common Stock 02/28/2025 D 1,130 D $ 49.31 0 D Common Stock 02/28/2025 M 2,003 A 2,003 D Common Stock 02/28/2025 D 2,003 D $ 49.31 0 D Common Stock 02/28/2025 M 2,158 A 2,158 D Common Stock 02/28/2025 D 2,158 D $ 49.31 0 D Common Stock 893 I By son

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 Phantom Units ( 1 ) 02/28/2025 M 1,130 ( 2 ) ( 2 ) Common Stock 1,130 ( 1 ) 2,260 D Phantom Units ( 1 ) 02/28/2025 M 2,003 ( 3 ) ( 3 ) Common Stock 2,003 ( 1 ) 2,003 D Phantom Units ( 1 ) 02/28/2025 M 2,158 ( 4 ) ( 4 ) Common Stock 2,158 ( 1 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Yang Hongyong 3000 UNIVERSITY DRIVE AUBURN HILLS, MI48326 VP and GM Fuel Syst. Asia Pac Signatures /s/ Kelly A. Albin as attorney-in-fact for Hongyong Yang 03/04/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each phantom unit is the economic equivalent of one share of the Issuer's common stock and settles in cash in an amount equal to the Issuer's closing price per share on the vesting date. ( 2 )The reporting person was previously granted phantom units, the remainder of which will vest in two equal annual installments beginning on February 28, 2026. ( 3 )The reporting person was previously granted phantom units, the remainder of which will vest on February 28, 2026. ( 4 )The reporting person was previously granted phantom units, which vested on February 28, 2025.

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).

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