Duke Energy names Joyce Mullen to board, effective Sept. 28
The board determined Mullen is independent; she will also join the Audit Committee and Operations and Nuclear Oversight Committee.
Rhea-AI Filing Summary
Duke Energy Corporation appointed Joyce Mullen to its board, effective September 28, 2026, for an initial term ending at the 2027 Annual Meeting of Shareholders. She will join the Audit Committee and the Operations and Nuclear Oversight Committee. The board determined she is independent under the company’s standards, New York Stock Exchange listing standards, and SEC rules.
Mullen retired as president and chief executive officer of Insight Enterprises in April 2026 and continues advising its leadership as executive vice president of strategic development. She previously held executive positions at Dell Technologies during a 21-year tenure and earlier leadership roles at Cummins Engine Company. As a non-employee director, she will receive a pro-rated payment of the cash and stock annual retainer. The outside-director ownership guideline calls for common stock or equivalents worth at least five times the annual Board cash retainer, stated as $700,000, or retention of 50% of her vested annual equity retainer.
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934
Date of Report (Date of earliest event reported):
| Commission
File Number |
Exact Name of Registrant as Specified in its Charter, State or other Jurisdiction of Incorporation, Address of Principal Executive Offices, Zip Code, and Registrant's Telephone Number, Including Area Code |
IRS
Employer Identification No. |
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(a |
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:
SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:
| Registrant | Title of each class | Trading
Symbol(s) |
Name
of each exchange on which registered |
| Duke Energy | |||
| Duke Energy | |||
| Duke Energy | each representing a 1/1,000th interest in a share of 5.75% Series A Cumulative Redeemable Perpetual Preferred Stock, par value $0.001 per share | ||
| Duke Energy | |||
| Duke Energy | |||
| Duke Energy | |||
| Duke Energy |
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
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. ¨
Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
Appointment of Joyce Mullen to the Board of Directors
On September 24, 2026, the Board of Directors (the “Board”) of Duke Energy Corporation (the “Corporation”) appointed Joyce Mullen to the Board, effective September 28, 2026, with an initial term expiring at the 2027 Annual Meeting of Shareholders. The Board also appointed Ms. Mullen to the Audit Committee and the Operations and Nuclear Oversight Committee of the Board, effective September 28, 2026.
Ms. Mullen retired as president and chief executive officer of Insight Enterprises, Inc. (“Insight”), a Fortune 500 technology company, in April 2026 and continues to advise Insight’s leadership as executive vice president of strategic development. She joined Insight in October 2020 as president of North America. Before joining Insight, Ms. Mullen held several executive positions at Dell Technologies, where she led organizations encompassing sales, operations, supply chain, partner strategy, services delivery and logistics. Earlier in her career, she held leadership positions at Cummins Engine Company. Ms. Mullen also serves on the board of directors of The Toro Company.
The Board has affirmatively determined that Ms. Mullen is independent pursuant to the Corporation’s Standards for Assessing Director Independence, the listing standards of the New York Stock Exchange and the rules and regulations of the U.S. Securities and Exchange Commission.
As a non-employee director of the Corporation, Ms. Mullen will receive a pro-rated payment of the cash and stock annual retainer and will be eligible for other retainers, if applicable, in accordance with the Corporation’s Director Compensation Program, as set forth on Exhibit 10.1 of the Corporation’s Form 10-Q, filed with the SEC on August 4, 2026. Ms. Mullen will also be eligible to participate in the Corporation’s Directors’ Savings Plan, which is described in the Annual Proxy Statement filed with the SEC on March 20, 2026, and will be subject to the Corporation’s Stock Ownership Guidelines, which require outside directors to own common stock, or common stock equivalents, of the Corporation with a value equal to at least five times the annual Board cash retainer (i.e., an ownership level of $700,000) or retain 50% of their vested annual equity retainer.
There are no arrangements or understandings between Ms. Mullen and any other person pursuant to which Ms. Mullen was appointed to the Board. There are no transactions in which Ms. Mullen has or will have an interest that would be required to be disclosed pursuant to Item 404(a) of Regulation S-K under the Securities Exchange Act of 1934, as amended, at this time.
Item 8.01. Other Events.
On September 25, 2026, the Corporation issued a press release announcing Ms. Mullen’s appointment to the Board. A copy of the press release is attached hereto as Exhibit 99.1.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits
| 99.1 | Press Release, dated September 25, 2026. |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document). |
SIGNATURE
Pursuant to the requirements of the Securities and Exchange Act of 1934, the registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized.
| DUKE ENERGY CORPORATION | |
| /s/ DAVID S. MALTZ | |
| David S. Maltz | |
| Title: Vice President, Chief Governance Officer, Corporate Secretary and Mergers and Acquisitions | |
| Dated: September 25, 2026 |
Exhibit 99.1
Date: Sept. 25, 2026
Duke Energy board appoints Joyce Mullen as new member
CHARLOTTE, N.C. – Duke Energy’s board of directors today announced the appointment of Joyce Mullen as a new board member, effective Sept. 28. Mullen will serve on the Audit Committee and the Operations and Nuclear Oversight Committee.
Mullen retired as president and CEO of Insight Enterprises in April 2026. She continues to advise its leadership as executive vice president of strategic development.
“As we serve our customers across a vibrant operating territory that is growing every day, Joyce’s experience as a transformative leader will help us further accelerate how we shape the future of energy,” said Harry Sideris, president and chief executive officer of Duke Energy. “We look forward to working with Joyce as we continue to advance Duke Energy’s strategy and position the company to thrive amid unprecedented growth, technological innovation and transformation across the industry.”
During Mullen’s tenure as CEO, Insight Enterprises set its ambition to help organizations maximize the business value of technology and accelerate digital evolution by becoming the industry’s leading AI-first solutions integrator – combining the right hardware, software and services.
“Joyce is a proven leader during periods of rapid change and volatility, and her perspective will be incredibly valuable as Duke Energy navigates a pivotal time for both the company and the broader industry,” said Ted Craver, independent chair of the Duke Energy Board of Directors. “Her experience at the intersection of AI, digital innovation and customer-focused execution will strengthen the board’s diverse perspectives and help Duke Energy continue delivering long-term value for its customers, employees, communities, and shareholders.”
Prior to serving as CEO, Mullen served as Insight’s president of North America, navigating a global pandemic while driving double-digit sales growth. Prior to joining Insight, Mullen held numerous executive positions during a 21-year tenure at Dell Technologies, leading a broad range of organizations including sales, operations, supply chain, partner strategy, services delivery, and logistics. Prior to Dell, she held various leadership roles at Cummins Engine Company.
Mullen serves on the board of directors of The Toro Company. She earned her MBA from Harvard Business School and bachelor’s in international relations from Brown University.
Duke Energy Corporation | 525 S. Tryon Street | Charlotte, NC 28202 | www.duke-energy.com
| Duke Energy News Release | 2 |
Duke Energy
Duke Energy (NYSE: DUK), a Fortune 150 company headquartered in Charlotte, N.C., is one of America’s largest energy holding companies. The company’s electric utilities serve 8.7 million customers in North Carolina, South Carolina, Florida, Indiana, Ohio and Kentucky, and collectively own 55,700 megawatts of energy capacity. Its natural gas utilities serve 1.6 million customers in North Carolina, South Carolina, Ohio and Kentucky.
Duke Energy is executing an energy modernization strategy, keeping customer value at the forefront as it invests in electric grid upgrades and efficient generation resources to strengthen the system and serve growing energy needs.
More information is available at duke-energy.com. Follow Duke Energy on X, LinkedIn, Instagram, TikTok and Facebook for stories about the people and innovations powering its communities.
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