BorgWarner (NYSE: BWA) VP sells 1,000 shares, holds 202,746

Rhea-AI Filing Summary

BORGWARNER INC (BWA) reported an insider transaction by Vice President Stefan Demmerle. On 2026-08-17, Demmerle executed a sale of 1,000 shares of Common Stock in an open-market or private transaction at a price of $70.00 per share. Following this transaction, Demmerle directly holds 202,746 shares of BorgWarner common stock. The filing indicates the transaction was not made pursuant to a Rule 10b5-1 trading plan.

Insider Trade Summary

Net Seller: 1,000 shares

Net Sell 1 txn

Insider Demmerle Stefan

Role Vice President

Sold 1,000 shs ($70K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,000	$70.00	$70K

Holdings After Transaction: Common Stock — 202,746 shares (Direct)

Key Figures

Shares sold: 1,000 shares Sale price per share: $70.00 per share Shares held after transaction: 202,746 shares +1 more

4 metrics

Shares sold 1,000 shares Common Stock sale on 2026-08-17 by Vice President Stefan Demmerle

Sale price per share $70.00 per share Price for the 1,000-share Common Stock sale on 2026-08-17

Shares held after transaction 202,746 shares Direct Common Stock ownership by Stefan Demmerle following the sale

Net insider share change 1,000 shares Net shares sold according to transaction summary (net-sell direction)

Key Terms

Form 4, transaction code, Rule 10b5-1

3 terms

Form 4 regulatory

"BorgWarner (BWA) reported a Form 4 transaction code “S”"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

transaction code regulatory

"reported a Form 4 transaction code “S”, meaning a sale"

Rule 10b5-1 regulatory

"The filing indicates the transaction was not under a Rule 10b5-1 trading plan"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

What insider transaction did BWA report for Stefan Demmerle?

BorgWarner (BWA) reported that Vice President Stefan Demmerle sold 1,000 shares of common stock on 2026-08-17 at $70.00 per share. After this transaction, he directly holds 202,746 shares of BorgWarner common stock.

At what price did Stefan Demmerle sell BorgWarner (BWA) shares?

Stefan Demmerle sold BorgWarner (BWA) common shares at $70.00 per share. The transaction involved 1,000 shares in an open-market or private sale, as reported in the Form 4 insider filing.

How many BorgWarner (BWA) shares does Stefan Demmerle own after this sale?

After the reported sale, Stefan Demmerle directly owns 202,746 shares of BorgWarner (BWA) common stock. This figure reflects his post-transaction holdings disclosed in the Form 4 filing.

Was the BorgWarner (BWA) insider sale under a Rule 10b5-1 plan?

The filing indicates the transaction was not conducted under a Rule 10b5-1 trading plan. The document-level checkbox for Rule 10b5-1 plans is explicitly marked false for this insider sale.

What type of transaction did BorgWarner (BWA) report for Stefan Demmerle?

BorgWarner (BWA) reported a Form 4 transaction code “S”, meaning a sale of non-derivative common stock. The filing describes it as a sale in open market or private transaction of 1,000 shares at $70.00 per share.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/18/2026 - 03:19 PM Accepted by SEC EDGAR 08/18/2026 - 03:18 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 MICHIGAN 48326

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/17/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	08/17/2026		S		1,000	D	$70	202,746	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 Stefan Demmerle	08/18/2026
	** 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.
* Form 4: SEC 1474 (03-26)