BorgWarner names new battery systems CTO

BorgWarner Inc. has appointed Stefan Demmerle as Vice President of BorgWarner Inc., President and General Manager of Battery Energy Systems, and Chief Technology Officer of BorgWarner Inc., effective July 1, 2026.

Filing Impact

(Moderate)

Filing Sentiment

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Form Type

8-K

Rhea-AI Filing Summary

BorgWarner Inc. has appointed Stefan Demmerle as Vice President of BorgWarner Inc., President and General Manager of Battery Energy Systems, and Chief Technology Officer of BorgWarner Inc., effective July 1, 2026. He has led BorgWarner PowerDrive Systems as Vice President and President and General Manager since 2015.

The company states that aside from his new titles and responsibilities, there will be no changes to the existing terms of his employment, including his compensation arrangements. This is an internal leadership shift aimed at its battery energy systems and technology functions rather than a change in executive pay structure.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Key Figures

Senior Notes coupon: 1.00% Senior Notes Senior Notes maturity: due 2031 Effective date of new roles: July 1, 2026 +2 more

5 metrics

Senior Notes coupon 1.00% Senior Notes 1.00% Senior Notes due 2031 listed on NYSE as BWA31

Senior Notes maturity due 2031 Maturity year for BorgWarner 1.00% Senior Notes

Effective date of new roles July 1, 2026 Effective date for Stefan Demmerle’s new BorgWarner positions

Appointment date May 26, 2026 Date BorgWarner appointed Stefan Demmerle to new roles

Company phone (248) 754-9200 Registrant’s telephone number at principal executive offices

Key Terms

Chief Technology Officer, Emerging growth company, Senior Notes, principal executive offices

4 terms

Chief Technology Officer financial

"President and General Manager of Battery Energy Systems and Chief Technology Officer of BorgWarner Inc."

The chief technology officer is the senior executive who sets a company's technology vision and oversees development, engineering, and technical operations—think of them as the lead architect and head mechanic who decides what tools the business builds and how they run. Their choices affect product direction, cost structure, cybersecurity and scalability, so investors watch the CTO to gauge a company’s ability to innovate, compete and manage technical risk.

Emerging growth company regulatory

"Emerging growth company o o Item 5.02 Departure of Directors or Certain Officers"

An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.

Senior Notes financial

"1.00% Senior Notes due 2031 | BWA31 | New York Stock Exchange"

Senior notes are a type of loan that a company borrows from investors, promising to pay it back with interest. They are called "senior" because in case the company faces financial trouble, these lenders are paid back before others. This makes senior notes safer for investors compared to other types of loans or bonds.

principal executive offices regulatory

"3850 Hamlin Road, Auburn Hills, Michigan 48326 (Address of principal executive offices)"

FAQ

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

What executive change did BorgWarner (BWA) announce in this filing?

BorgWarner appointed Stefan Demmerle as Vice President, President and General Manager of Battery Energy Systems, and Chief Technology Officer, effective July 1, 2026. This represents an internal promotion, shifting his leadership focus from PowerDrive Systems to the company’s battery energy and technology functions.

When does Stefan Demmerle’s new role at BorgWarner (BWA) become effective?

Stefan Demmerle’s new roles become effective July 1, 2026. Until then, he continues as Vice President and President and General Manager of BorgWarner PowerDrive Systems, a position he has held since 2015, ensuring continuity in leadership during the transition.

How long has Stefan Demmerle been in leadership at BorgWarner (BWA)?

Stefan Demmerle has served as Vice President and President and General Manager of BorgWarner PowerDrive Systems since 2015. The new appointment builds on more than a decade of internal leadership experience within the company’s powertrain and electrification-related operations.

Will BorgWarner (BWA) change Stefan Demmerle’s compensation in his new roles?

BorgWarner states there will be no changes to the terms of Stefan Demmerle’s employment, including his compensatory arrangements. Only his titles and responsibilities change, indicating this is a role expansion rather than a renegotiation of his pay package.

What business area will Stefan Demmerle oversee in his new BorgWarner (BWA) position?

In his new role, Stefan Demmerle will serve as President and General Manager of Battery Energy Systems. He will also act as Chief Technology Officer of BorgWarner Inc., aligning leadership over battery-related operations with the company’s broader technology strategy.

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

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Accepted by SEC EDGAR 05/28/2026 - 04:12 PM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 26, 2026

BORGWARNER INC.

________________________________________________

(Exact name of registrant as specified in its charter)

Delaware

1-12162

13-3404508

State or other jurisdiction of

Commission File No.

(I.R.S. Employer

Incorporation or organization

Identification No.)

3850 Hamlin Road,

Auburn Hills,

Michigan

48326

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code: (248) 754-9200

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


o			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, par value $0.01 per share

BWA

New York Stock Exchange

1.00% Senior Notes due 2031

BWA31

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

On May 26, 2026, BorgWarner Inc. (the “Company”) appointed Stefan Demmerle to serve as Vice President of BorgWarner Inc., President and General Manager of Battery Energy Systems and Chief Technology Officer of BorgWarner Inc., effective July 1, 2026. Prior to this move, Mr. Demmerle has served as Vice President of BorgWarner Inc. and President and General Manager of BorgWarner PowerDrive Systems since 2015.

Other than the change in title and responsibilities as described herein, there will be no changes to the terms of Mr. Demmerle’s employment with the Company, including his compensatory arrangements.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


	BorgWarner Inc.

Date: May 28, 2026	By:	/s/ Tonit M. Calaway
		Name: Tonit M. Calaway
		Title: Executive Vice President and Secretary

Source: View Original Filing on SEC EDGAR

Filing Exhibits & Attachments

4 documents