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.
Piedmont Natural Gas Company, Inc. filed a Post-Effective Amendment to its Form S-3 shelf to include Piedmont as an additional registrant and to file a prospectus for the offering of debt securities to be issued from time to time. The prospectus, dated May 4, 2026, registers an unspecified amount of senior and subordinated unsecured debt to be sold in one or more series and sets forth general terms to be specified in prospectus supplements. The amendment states it becomes effective immediately upon filing pursuant to Rule 462(e). The filing also discloses that Piedmont completed the sale of its Tennessee LDC business to Spire for $2.48 billion in cash on March 31, 2026, and provides operational context including approximately 25,300 miles of distribution and transmission pipelines and 19,900 miles of service lines as of December 31, 2025.
Vanguard Capital Management reports beneficial ownership of 58,721,742 shares of Duke Energy Corp. The filing states this equals 7.54% of the class as of 03/31/2026 and shows sole dispositive power over 58,721,742 shares and sole voting power over 8,195,139 shares. The filing is a Schedule 13G, signed 04/29/2026.
Duke Energy Corporation updated its PremierNotes pricing supplement to transition to a single investment tier, effective April 13, 2026. As of that date the Notes will pay the same floating interest rate for all invested amounts: 3.82% yield / 3.75% rate. The Registration Statement (No. 333-290634) was automatically effective on September 30, 2025.
Duke Energy director Idalene Fay Kesner received a grant of 257 Director Savings Plan Restricted Stock Unit Deferrals tied to the company’s common stock. The units are valued at $131.41 per share and convert to common stock on a 1-for-1 basis.
These deferred stock units are generally payable when Kesner’s board service ends, aligning her compensation with long-term shareholder interests. Following this grant, she holds a total of 12,933 such units directly.
Duke Energy CORP executive Scott L. Batson, EVP and Chief Power Grid Operations Officer, reported a routine tax-related share withholding. On April 1, 2026, 38 shares of common stock were withheld at $130.90 per share to cover taxes due on the vesting of 87 restricted stock units (RSUs) from a March 11, 2024 award under the Duke Energy Corporation 2023 Long-Term Incentive Plan. The RSUs convert into common stock on a one-for-one basis. Following this transaction, Batson directly holds 33,481 shares of Duke Energy common stock.
Duke Energy President and CEO Harry K. Sideris reported a routine tax-withholding transaction related to equity compensation. On April 1, 2026, 2,016 shares of common stock were withheld at $130.90 per share to cover taxes due upon the vesting of 4,640 restricted stock units (RSUs) from a March 11, 2024 award.
After this non-market disposition, Sideris holds 116,102 shares directly. He also has an indirect interest in 2,538 shares through a 401(k) issuer stock fund. The filing shows no open-market purchases or sales, only shares withheld for tax obligations.
Duke Energy executive Alexander J. Weintraub reported a routine share withholding related to equity compensation. On April 1, 2026, 139 shares of common stock were withheld at $130.90 per share to cover taxes due upon vesting of 318 restricted stock units granted under the 2023 Long-Term Incentive Plan. This was a tax-withholding disposition, not an open-market sale. After the transaction, he held 12,187 shares directly and an additional 2,616 shares indirectly through a 401(k) issuer stock fund.
Duke Energy executive Bonnie B. Titone reported a routine tax-related share withholding tied to equity compensation. On the vesting of 654 restricted stock units granted March 11, 2024, 285 common shares were withheld at $130.90 per share to cover taxes. Following this non‑market transaction, she directly holds 29,011 Duke Energy shares.
Duke Energy and its subsidiary Piedmont Natural Gas completed the sale of Piedmont’s Tennessee natural gas local distribution business to Spire for $2.48 billion in cash, subject to customary purchase price adjustments. The sale closed on March 31, 2026 under a previously disclosed Asset Purchase Agreement.
Piedmont’s unaudited pro forma 2025 statement of operations shows total operating revenues of $1.911 billion and net income of $887 million after giving effect to the transaction, reflecting an estimated gain of about $693 million. Pro forma adjustments include eliminating the Tennessee business, repaying $800 million of company debt and recognizing related tax effects.
Duke Energy’s press release explains that approximately $800 million of proceeds will reduce Piedmont debt, while about $1.5 billion of net proceeds will help fund a $103 billion, five‑year regulated capital investment plan to meet growing energy demand and manage customer costs.
The Vanguard Group filed a Schedule 13G/A amendment reporting 0 shares of Common Stock of Duke Energy Corp and 0 beneficial ownership, representing 0% of the class. The filing states an internal realignment effective January 12, 2026, after which certain Vanguard subsidiaries report holdings separately. The form is signed by Ashley Grim on 03/26/2026.