Duke Energy Corporation filings document the regulatory record of a Delaware energy holding company with electric and natural gas utility subsidiaries. Disclosures cover material events, operating and financial results, governance matters, shareholder voting, annual meeting proxy materials, and capital-structure matters tied to its regulated utility business.
The filing record identifies registered securities including DUK common stock, junior subordinated debentures, depositary shares representing Series A preferred stock, and senior notes listed on the New York Stock Exchange. SEC reports also reference major subsidiaries such as Duke Energy Carolinas, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio, Duke Energy Indiana and Piedmont Natural Gas, along with disclosures on infrastructure investment, generation resources, regulatory matters and risk factors.
Duke Energy Corporation filed a shelf registration (Form S-3) registering unspecified amounts of common stock, preferred stock, depositary shares, stock purchase contracts and units, and various debt securities to be offered from time to time by Duke Energy and several subsidiaries. The registration covers offerings by Duke Energy Corporation and six subsidiaries with securities to be sold separately or together; specific terms and amounts will be provided in prospectus supplements.
The filing describes Duke Energy's business segments, reporting that its Electric Utilities and Infrastructure segment serves approximately 8.6 million customers across about 90,000 square miles, and that the Gas Utilities and Infrastructure segment serves over 1.7 million customers. The prospectus discloses that certain mortgage bonds will be secured by substantially all properties, while other debt securities may be unsecured, and it highlights that holders of debt securities may be junior to creditors of operating subsidiaries. The filing reiterates incorporated-by-reference SEC reports for further detail.
Jeffrey B. Guldner, a director of Duke Energy Corp (ticker shown in filing as DUK; metadata: DUKB), reported a non-derivative acquisition on 09/15/2025. The filing shows 1,005 Restricted Stock Unit deferrals credited under a Director Savings Plan, converting 1-for-1 to common stock and valued at $122.37 per share. The 1,005 shares are reported as directly beneficially owned and are generally payable upon the reporting person’s termination of service. The Form 4 was signed by an attorney-in-fact on 09/16/2025.
Jeffrey B. Guldner, identified as a director of Duke Energy Corp, submitted an initial Section 16 Form 3 stating he does not beneficially own any securities of the issuer. The filing indicates it was submitted as an individual filing and executed on Guldner's behalf by an attorney-in-fact, David S. Maltz. No classes of common stock, options, or other derivative holdings are reported on this Form 3.