Duke Energy

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-19 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Duke Energy CORP (DUK) CIK: 0001326160 --- Reporting Owner --- Name: Weintraub Alexander J. CIK: 0002017965 Role: Officer (EVP, Chief Customer Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-20 | Code: I (Discretionary (intra-plan)) Shares: +394 | Price: $123.81 Total Value: $48,781.14 Shares Owned After: 3,011 | Ownership: I (Indirect) | Nature: By 401(k) Footnotes: [F1] Represents interests in an issuer stock fund. --- Derivative Transactions --- [Transaction #1] Security: Executive Savings Plan Date: 2026-05-19 | Code: I (Discretionary (intra-plan)) Shares: +3,265 | Price: $124.56 Shares Owned After: 3,265 | Ownership: D (Direct) Footnotes: [F2] The phantom stock units were accrued under the Issuer's Executive Savings Plan (the "Plan"). Phantom stock units are settled six months following the reporting person's termination of service. Prior to settlement, the reporting person may transfer the value of their phantom stock units into alternative investment vehicles in the Plan. [F2] The phantom stock units were accrued under the Issuer's Executive Savings Plan (the "Plan"). Phantom stock units are settled six months following the reporting person's termination of service. Prior to settlement, the reporting person may transfer the value of their phantom stock units into alternative investment vehicles in the Plan. [F3] Each share of phantom stock is the economic equivalent of one share of the Issuer's common stock. --- Holdings --- [Holding #1] Security: Common Stock Ownership: D (Direct) --- Footnotes (Complete Index) --- F1: Represents interests in an issuer stock fund. F2: The phantom stock units were accrued under the Issuer's Executive Savings Plan (the "Plan"). Phantom stock units are settled six months following the reporting person's termination of service. Prior to settlement, the reporting person may transfer the value of their phantom stock units into alternative investment vehicles in the Plan. F3: Each share of phantom stock is the economic equivalent of one share of the Issuer's common stock. --- Signature --- /s/ David S. Maltz, attorney-in-fact for Alexander J. Weintraub (2026-05-21)