[Form 4] BorgWarner Inc. Insider Trading Activity

Rhea-AI Filing Summary

Insider sale reported: BorgWarner director and Vice President Isabelle McKenzie disclosed a sale of 2,690 shares of BorgWarner Inc. (BWA) on 08/28/2025 at a reported price of $42.9257 per share, leaving her with 53,255 shares beneficially owned. The Form 4 was signed by an attorney-in-fact on 08/29/2025.

Positive

• None.

Negative

• Insider sale of 2,690 shares reported on 08/28/2025 at $42.9257 per share
• Reduction in beneficial ownership to 53,255 shares following the sale

Insights

Corporate Governance Expert

TL;DR: Routine insider sale disclosed; no indication of related-party transaction or change in control.

The Form 4 shows a single non-derivative sale by an officer/director of 2,690 shares at $42.9257 on 08/28/2025, reducing holdings to 53,255 shares. Filing was executed by an attorney-in-fact on 08/29/2025. This appears to be a routine Section 16 disclosure without additional context in the filing.

Securities Analyst

TL;DR: Document reports a disclosed sale; transaction magnitude relative to total outstanding shares is not provided.

The report records a sale code "S" for a non-derivative security (common stock) of 2,690 shares at $42.9257, with post-transaction beneficial ownership of 53,255 shares. The filing contains no information on reasons for the sale or any trading plan. No derivative transactions or amendments are reported.

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

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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)
08/28/2025

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	08/28/2025		S		2,690	D	$42.9257	53,255	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	08/29/2025
	** 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 for BWA on Form 4?

The Form 4 reports a sale of 2,690 shares of BorgWarner Inc. common stock on 08/28/2025 at a price of $42.9257 per share.

How many BorgWarner (BWA) shares does Isabelle McKenzie own after the reported sale?

After the reported transaction, Isabelle McKenzie beneficially owns 53,255 shares.

When was the Form 4 for the BWA transaction signed?

The Form 4 was signed by an attorney-in-fact, Miyuki P. Oshima, on 08/29/2025.

Does the filing report any derivative transactions or amendments?

No. The Form 4 lists only a non-derivative sale of common stock and does not report derivative transactions or amendments.

What role does the reporting person hold at BorgWarner?

The reporting person, Isabelle McKenzie, is identified as a Director and Vice President (Officer) of BorgWarner Inc.