BorgWarner VP sells 25,000 company shares

BorgWarner Inc. vice president Stefan Demmerle reported selling 25,000 shares of common stock in open-market transactions.

Rhea-AI Filing Summary

BorgWarner Inc. vice president Stefan Demmerle reported selling 25,000 shares of common stock in open-market transactions. He sold 20,000 shares on May 8, 2026 at a weighted average price of $59.2575 per share and 5,000 shares on May 11, 2026 at $62.00 per share.

After these sales, Demmerle directly holds 208,746 shares of BorgWarner common stock. A footnote states that the May 8 price is a weighted average, with actual prices ranging from $59.01 to $60.00, and detailed breakdowns are available to holders on request.

Insights

Equity compensation and insider-trading analyst

VP executes routine open-market sales while retaining a sizeable BorgWarner stake.

Vice President Stefan Demmerle executed two open-market sales totaling 25,000 shares of BorgWarner common stock at weighted prices around the high‑$50s to low‑$60s. These are straightforward sales coded as "S," with no associated option exercises or derivative conversions.

Following the transactions, Demmerle still directly owns 208,746 shares, indicating he retains a substantial equity position. The weighted-average pricing disclosure and the offer to provide detailed price breakdowns are standard for larger, multi‑fill trades and do not by themselves signal unusual activity.

Insider Trade Summary

Net Seller: 25,000 shares

Net Sell 2 txns

Insider Demmerle Stefan

Role Vice President

Sold 25,000 shs ($1.50M)

Type	Security	Shares	Price	Value
Sale	Common Stock	5,000	$62.00	$310K
Sale	Common Stock	20,000	$59.2575	$1.19M

Holdings After Transaction: Common Stock — 208,746 shares (Direct)

Footnotes (1)

1. F1. The price in Column 4 is a weighted average price. The actual prices received ranged from $59.01 to $60.00. 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.

Key Figures

Total shares sold: 25,000 shares May 11 sale price: $62.00 per share May 8 weighted average price: $59.2575 per share +2 more

5 metrics

Total shares sold 25,000 shares Open-market sales reported on May 8 and May 11, 2026

May 11 sale price $62.00 per share 5,000 shares of common stock sold on May 11, 2026

May 8 weighted average price $59.2575 per share 20,000 shares of common stock sold on May 8, 2026

May 8 price range $59.01–$60.00 per share Actual prices for trades included in weighted average on May 8, 2026

Shares owned after transactions 208,746 shares Direct holdings after May 2026 sales

Key Terms

Form 4, open-market sale, weighted average price, non-derivative, +1 more

5 terms

Form 4 regulatory

"information regarding the number of shares sold at each price within the range for all transactions reported in this Form 4"

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.

open-market sale financial

"transaction_action": "open-market sale", "transaction_code_description": "Sale in open market or private transaction""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

weighted average price financial

"The price in Column 4 is a weighted average price. The actual prices received ranged from $59.01 to $60.00."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

non-derivative financial

""transaction_type": "non-derivative", "security_title": "Common Stock""

direct ownership financial

""ownership_type": "direct", "ownership_code": "D""

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did BorgWarner (BWA) vice president Stefan Demmerle report on this Form 4?

He reported selling 25,000 shares of BorgWarner common stock in open-market transactions. The sales occurred on May 8 and May 11, 2026, and were reported as standard “S” code sales without any related option exercises or derivative conversions.

How many BorgWarner (BWA) shares did Stefan Demmerle sell and at what prices?

He sold 20,000 shares on May 8, 2026 at a weighted average price of $59.2575, and 5,000 shares on May 11, 2026 at $62.00 per share. The May 8 sale covered multiple trades within a disclosed price range.

How many BorgWarner (BWA) shares does Stefan Demmerle hold after these sales?

After the reported transactions, Stefan Demmerle directly owns 208,746 shares of BorgWarner common stock. This figure reflects his holdings following both May 2026 sales and indicates he retains a significant equity stake in the company.

What does the weighted average price footnote mean in the BorgWarner (BWA) Form 4?

The footnote explains that the $59.2575 price on May 8, 2026 is a weighted average for multiple trades executed between $59.01 and $60.00. Detailed share counts at each individual price are available to investors or SEC staff upon request from the reporting person.

Were the BorgWarner (BWA) insider transactions direct or through another entity?

The Form 4 shows the transactions as direct ownership, indicated by code “D” and no separate nature-of-ownership entity listed. This means the reported BorgWarner common stock sales are attributed directly to Stefan Demmerle, not to a trust, LLC, or similar vehicle.

Does this BorgWarner (BWA) Form 4 involve any stock options or derivative securities?

No, all transactions reported are in BorgWarner common stock as non-derivative securities. The filing’s derivative section is empty, and there are no option exercises, conversions, or other derivative transactions associated with these May 2026 sales.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 05/12/2026 - 10:36 AM 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)
05/08/2026

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	05/08/2026		S		20,000	D	$59.2575(1)	213,746	D
Common Stock	05/11/2026		S		5,000	D	$62	208,746	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:

1. The price in Column 4 is a weighted average price. The actual prices received ranged from $59.01 to $60.00. 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	05/12/2026
	** 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)