Welcome to our dedicated page for Duke Energy SEC filings (Ticker: DUK), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
This page provides access to Duke Energy Corporation’s (NYSE: DUK) SEC filings, giving investors and analysts a direct view into the company’s regulatory and financial disclosures. Duke Energy is a Fortune 150 energy holding company with regulated electric and natural gas utilities across multiple U.S. states, and its filings outline key developments in its utility operations, capital structure and governance.
Among the most relevant documents are annual reports on Form 10‑K and quarterly reports on Form 10‑Q, which describe Duke Energy’s electric and natural gas utility businesses, owned generation capacity, regulatory environment and risk factors. Current reports on Form 8‑K provide timely updates on material events, such as executive officer changes, partial settlements in rate proceedings in South Carolina, filings for rate cases with the North Carolina Utilities Commission, and the release of quarterly financial results.
Duke Energy’s registered securities under Section 12(b) of the Exchange Act include common stock (DUK), junior subordinated debentures, depositary shares representing interests in preferred stock and several series of senior notes, all listed on the New York Stock Exchange. Filings related to these instruments give insight into the company’s financing activities and capital markets presence. Proxy statements and related materials, referenced in certain 8‑K filings, provide additional detail on executive compensation plans and severance arrangements for senior leadership roles.
On Stock Titan, Duke Energy’s SEC filings are updated as they are posted to the EDGAR system. AI-powered tools can help summarize lengthy documents such as 10‑K and 10‑Q reports, highlight key sections on regulatory outcomes, rate base and allowed returns, and surface notable items from 8‑K filings. Users can also review information relevant to production tax credit mechanisms, securitization of storm costs and other regulatory topics that appear in Duke Energy’s disclosures.
Duke Energy EVP & CFO Brian D. Savoy reported equity compensation activity. On February 5, 2026, he acquired 20,776 shares of common stock at $0, reflecting the vesting of performance shares from an award granted on February 22, 2023 after a three-year performance period.
On the same date, 7,822 shares were withheld at $123.41 per share to cover taxes due upon vesting. After these transactions, Savoy directly beneficially owned 69,206 shares of Duke Energy common stock.
Duke Energy senior vice president and chief accounting officer Cynthia S. Lee reported equity compensation activity in the company’s common stock. On February 5, 2026, she acquired 2,983 shares at $0 upon vesting of previously granted performance shares tied to a three-year performance period.
On the same date, 902 shares were withheld at $123.41 per share to cover taxes due on the vesting. Following these transactions, Lee directly owned 9,399 common shares and had an additional 464 shares held indirectly through a 401(k) issuer stock fund.
Duke Energy executive Bonnie B. Titone reported equity compensation activity. On February 5, 2026, she acquired 8,129 shares of Duke Energy common stock at $0 as performance shares vested from an award granted on February 22, 2023 with a three-year performance period.
On the same date, 2,341 shares were withheld at $123.41 per share to cover taxes due upon vesting. After these transactions, she directly owned 25,396 shares of Duke Energy common stock.
Duke Energy senior vice president and chief human resources officer Olivia Cameron D. McDonald reported equity compensation activity in company stock. On February 5, 2026, she acquired 2,402 shares of common stock at $0 upon vesting of performance shares granted on February 22, 2023. On the same date, 723 shares were withheld at $123.41 per share to cover taxes due on the vesting, leaving 5,314 shares held directly. She also reported 2,636 shares held indirectly through a 401(k) issuer stock fund.
Duke Energy executive Louis E. Renjel, EVP & CEO of Duke Energy Florida & Midwest and Chief Corporate Affairs Officer, acquired 25 phantom stock units on January 30, 2026 under the company’s Executive Savings Plan. Each phantom unit is economically equivalent to one share of Duke Energy common stock.
Following this accrual, Renjel beneficially owns 1,764 phantom stock units. These units are settled in cash or stock six months after his termination of service, and until settlement he may shift their value into other investment options offered within the plan.
Duke Energy executive Louis E. Renjel, EVP & Chief Corporate Affairs Officer, reported an acquisition of 25 phantom stock units on 01/15/2026. Each phantom stock unit is the economic equivalent of one share of Duke Energy common stock and was credited at a reference price of $118.9 per unit.
The units were accrued under Duke Energy's Executive Savings Plan, where they are generally settled in cash six months after the executive’s termination of service. Following this credit, Renjel beneficially holds 1,726 phantom stock units, which include prior deferrals of compensation between January 2024 and December 2024 that were omitted from earlier reports, as well as other credited retirement contributions. These plan-related transactions are noted as exempt under Rule 16b-3(d).
Duke Energy Corporation updated the interest rates on its Duke Energy PremierNotes variable denomination floating rate demand notes. The Notes pay a weekly set floating rate that can vary with the principal amount an investor holds. Effective December 22, 2025, the interest rates at each ownership tier are reduced by 0.25% per annum.
After this change, balances from $0–$9,999.99 earn a 3.55% rate (3.61% yield), balances from $10,000–$49,999.99 earn a 3.65% rate (3.72% yield), and balances of $50,000 and above earn a 3.75% rate (3.82% yield). These tiers show how larger PremierNotes balances receive slightly higher interest rates.
Duke Energy Corp director reports new deferred stock units. On 12/17/2025, a director of Duke Energy Corp (ticker DUK) acquired 287 Director Savings Plan Restricted Stock Unit Deferrals, classified as a derivative security. These units convert into Duke Energy common stock on a 1-for-1 basis and are generally payable when the director’s service ends, with no set expiration date. The units were valued at $117.43 per underlying share for this transaction, bringing the director’s total beneficial holding in these deferred stock units to 12,584, held directly.
Duke Energy Corporation reported an upcoming leadership transition in its accounting function. Cynthia S. Lee, Senior Vice President, Chief Accounting Officer and Controller, will retire effective December 31, 2026, and will serve in an advisor role starting March 1, 2026 until her retirement. On that same date, Abigail L. Motsinger, currently Vice President, Investor Relations, will become Senior Vice President, Chief Accounting Officer and Controller.
Ms. Motsinger’s new pay package, effective March 1, 2026, includes an annual base salary of $408,361, a short-term incentive opportunity equal to 50% of base salary, and a long-term incentive opportunity equal to 95% of base salary. She will be a Tier I participant in the Duke Energy Corporation Executive Severance Plan and will otherwise remain in the same compensation and benefit plans she had before the promotion.
The Vanguard Group has filed an updated ownership report on Duke Energy Corp, disclosing beneficial ownership of 77,841,964 shares of common stock, representing 10% of the class as of the reported event date.
Vanguard reports no sole voting power over the shares, but shared voting power over 5,017,211 shares. It has sole dispositive power over 69,916,680 shares and shared dispositive power over 7,925,284 shares, reflecting how the holdings are managed across its clients and funds.
The filing notes that Vanguard’s clients, including registered investment companies and other managed accounts, have the right to receive dividends and sale proceeds, and that no single other person has an interest in more than 5% of the Duke Energy shares reported. Vanguard also certifies that the securities are held in the ordinary course of business and not for the purpose of influencing control of Duke Energy.