BWA insider Stefan Demmerle sells 20,000 shares; holds ~204k

Rhea-AI Filing Summary

BorgWarner Inc. (BWA) disclosed insider stock sales by Vice President Stefan Demmerle. He sold 15,000 shares of common stock on 11/11/2025 at a weighted average price of $45.5167, and 5,000 shares on 11/12/2025 at $46.00.

Following these transactions, his direct beneficial ownership was listed as 209,039.69 shares after the first sale and 204,039.69 shares after the second sale.

Insider Trade Summary

Net Seller: 20,000 shares

Net Sell 2 txns

Insider Demmerle Stefan

Role Vice President

Sold 20,000 shs ($913K)

Type	Security	Shares	Price	Value
Sale	Common Stock	5,000	$46.00	$230K
Sale	Common Stock	15,000	$45.5167	$683K

Holdings After Transaction: Common Stock — 204,039.69 shares (Direct)

Footnotes (1)

1. F1. The price in Column 4 is a weighted average price. The actual prices received ranged from $45.40 to $45.75. 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.

FAQ

What insider transaction did BWA report?

BorgWarner reported that Vice President Stefan Demmerle sold 15,000 shares on 11/11/2025 and 5,000 shares on 11/12/2025.

At what prices were the BWA shares sold?

On 11/11/2025, shares were sold at a weighted average price of $45.5167 (range $45.40–$45.75); on 11/12/2025, at $46.00.

How many BWA shares does the insider own after the sales?

Direct beneficial ownership was 209,039.69 shares after the first sale and 204,039.69 shares after the second sale.

What is the insider’s role at BorgWarner (BWA)?

The reporting person is an Officer (Vice President) of BorgWarner Inc.

Were these sales reported as direct or indirect ownership changes?

Both transactions were reported under Direct (D) ownership.

Was a Rule 10b5-1 trading plan indicated?

The excerpt includes the instruction about the checkbox, but it does not indicate that the box was checked.

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

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 11/13/2025 - 12:34 PM Learn about SEC filing dates

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)
11/11/2025

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	11/11/2025		S		15,000	D	$45.5167(1)	209,039.69	D
Common Stock	11/12/2025		S		5,000	D	$46	204,039.69	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 $45.40 to $45.75. 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	11/13/2025
	** 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.