[Form 4] BorgWarner Inc. Insider Trading Activity

Rhea-AI Filing Summary

Stefan Demmerle, an officer (Vice President) of BorgWarner Inc. (BWA), reported the sale of common stock on 09/05/2025. The Form 4 shows a disposition of 5,000 shares at a weighted average price of $44.0012, with actual sale prices ranging from $44.0000 to $44.0100. The filing lists "224,039.69" as the amount of securities beneficially owned following the reported transaction. No derivative transactions are reported. The Form 4 was submitted by Miyuki P. Oshima as attorney-in-fact on 09/08/2025.

Insights

Securities Analyst

TL;DR: Officer sale of 5,000 shares at ~$44 is routine insider trading disclosure; transaction size appears immaterial to company valuation.

The filing documents a straightforward sale of 5,000 common shares by an officer on 09/05/2025 at a weighted average price of $44.0012. The reported post-transaction ownership figure is listed as "224,039.69." There are no derivative positions disclosed and no amendments noted. For investors, this is a required transparency filing; it does not, by itself, indicate company-level operational or financial changes.

Corporate Governance Expert

TL;DR: Disclosure complies with Section 16 reporting; sale documented with price range and attorney-in-fact signature.

The Form 4 includes the mandated details: reporting person identity and role (Vice President), transaction date, number of shares sold, weighted average price with the price range, and a signature by an attorney-in-fact dated 09/08/2025. The absence of derivative activity and the clear price-range explanation support completeness of the disclosure. No governance concerns appear in the document itself.

Insider Trade Summary

Net Seller: 5,000 shares ($220,006)

Net Sell 1 txn

Insider Demmerle Stefan

Role Vice President

Sold 5,000 shs ($220K)

Type	Security	Shares	Price	Value
Sale	Common Stock	5,000	$44.0012	$220K

Holdings After Transaction: Common Stock — 224,039.69 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Demmerle Stefan

(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)
09/05/2025

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	09/05/2025		S		5,000	D	$44.0012(1)	224,039.69	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. The price in Column 4 is a weighted average price. The actual prices received ranged from $44.0000 to $44.0100. The reporting person has provided to the issuer, and will provide to any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range for all transactions reported in this Form 4 utilizing an average weighted price.

	Miyuki P. Oshima as attorney-in-fact for Stefan Demmerle	09/08/2025
	** 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.
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