[Form 4] BorgWarner Inc. Insider Trading Activity

Rhea-AI Filing Summary

Insider sale reported: BorgWarner Inc. officer Isabelle McKenzie sold 3,000 shares of Common Stock on 09/04/2025 at $43.45 per share, leaving her with 50,255 shares beneficially owned. The Form 4 was signed by an attorney-in-fact on 09/05/2025. The filing identifies McKenzie as a Vice President and a director/officer of the company. No derivative transactions or other changes were reported.

Positive

• None.

Negative

• Officer sale: Isabelle McKenzie sold 3,000 shares at $43.45, reducing her beneficial ownership to 50,255 shares.

Insights

Financial Analyst

TL;DR: Routine insider sale by an officer reducing holdings modestly; not clearly material to valuation.

The sale of 3,000 shares at $43.45 appears to be a straightforward disposition by a corporate officer. The filing shows remaining beneficial ownership of 50,255 shares, which indicates the transaction reduced but did not eliminate the officer's stake. There are no derivative transactions or unusual structures disclosed. Based solely on this Form 4, the sale does not reveal company performance details or material, market-moving information.

Corporate Governance Expert

TL;DR: Disclosure meets Section 16 requirements; transaction appears routine and properly reported.

The Form 4 names Isabelle McKenzie as an officer and director who reported a sale on 09/04/2025 and the form was executed by an attorney-in-fact. The filing indicates individual reporting (single reporting person). There is no indication of Rule 10b5-1 plan checkbox or other plan-related language in the provided content. From a governance and compliance perspective, the submission contains the expected elements for an insider sale and provides transparent ownership figures.

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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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^*

McKenzie Isabelle

(Last) (First) (Middle)

3850 HAMLIN ROAD

(Street)

AUBURN HILLS MI 48326

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
BORGWARNER INC [ BWA ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Vice President

3. Date of Earliest Transaction (Month/Day/Year)
09/04/2025

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	09/04/2025		S		3,000	D	$43.45	50,255	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:

	Miyuki P. Oshima as attorney-in-fact for Isabelle McKenzie	09/05/2025
	** 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 transaction did Isabelle McKenzie report on Form 4 for BWA?

She reported a sale of 3,000 shares of BorgWarner common stock on 09/04/2025 at a price of $43.45 per share.

How many BorgWarner (BWA) shares does Isabelle McKenzie beneficially own after the transaction?

Following the reported sale, she beneficially owns 50,255 shares.

What is Isabelle McKenzie's role at BorgWarner as stated in the filing?

The Form 4 lists her as a Vice President and indicates director/officer status.

When was the Form 4 signed and by whom?

The form was signed by Miyuki P. Oshima as attorney-in-fact for Isabelle McKenzie on 09/05/2025.

Did the filing report any derivative transactions or option exercises?

No. The provided content shows no derivative securities or option transactions reported in Table II.