PHINIA insider plans $140K stock sale

Rhea-AI Filing Summary

PHINIA INC. (PHIN) received a Rule 144 notice indicating that Christopher A. Gustanski plans to sell 2,097 shares of common stock through Fidelity Brokerage Services LLC on the NYSE. These shares are tied to restricted stock vesting on August 29, 2026 and were received from the issuer as compensation.

Key Figures

Shares to be sold: 2,097 shares Aggregate value of shares: $140,425.61 Acquisition date of shares: August 29, 2026

3 metrics

Shares to be sold 2,097 shares Common stock covered by the Rule 144 notice

Aggregate value of shares $140,425.61 Value listed for the 2,097 PHINIA INC. shares in the securities information

Acquisition date of shares August 29, 2026 Restricted stock vesting date for the 2,097 shares received as compensation

Key Terms

Rule 144, restricted stock vesting, attorney-in-fact

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

restricted stock vesting financial

"Common | 08/29/2026 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

attorney-in-fact regulatory

"as attorney-in-fact for Christopher A. Gustanski"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

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

What does the Form 144 filing disclose for PHIN (PHINIA INC.)?

The filing discloses that Christopher A. Gustanski intends to sell 2,097 shares of PHINIA INC. common stock under Rule 144, with Fidelity Brokerage Services LLC acting in connection with the transaction on the NYSE.

How many PHIN shares are covered by this Rule 144 notice?

The notice covers 2,097 shares of PHINIA INC. common stock. This amount appears both under the securities information section and the securities to be sold section in the Rule 144 disclosure.

How were the PHIN shares to be sold acquired?

The 2,097 shares to be sold were acquired via restricted stock vesting on August 29, 2026. The filing states the acquisition was from the issuer and identifies the transaction as compensation.

What is the reported value of the PHIN shares in this Form 144 filing?

The filing lists an aggregate value of $140,425.61 associated with the 2,097 shares of PHINIA INC. common stock in the securities information section, in connection with planned sales under Rule 144.

Who is acting for the insider in the PHIN Form 144 filing?

The signature block shows /s/ Wade Moss signing as a duly authorized representative of Fidelity Brokerage Services LLC, acting as attorney-in-fact for Christopher A. Gustanski in connection with the Rule 144 notice.

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

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Available on EDGAR 09/09/2026 - 01:06 PM Accepted by SEC EDGAR 09/09/2026 - 01:05 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001981190
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	PHINIA INC.
SEC File Number	001-41708
Address of Issuer	3000 UNIVERSITY DRIVE AUBURN HILLS MICHIGAN 48326
Phone	248-732-1900
Name of Person for Whose Account the Securities are To Be Sold	Gustanski Christopher
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	2097	140425.61	36638088	09/09/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/29/2026	Restricted Stock Vesting	Issuer			2097	08/29/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	09/09/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Christopher A. Gustanski
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)