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Duke Energy SEC filings, summarized

We read every Duke Energy 8-K filing and insider trade the night it hits SEC EDGAR, and turn it into a two-minute plain-English summary.

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Recent filings

8-KMarch 12, 2026

Duke Energy filed an 8‑K (Item 9.01) on Mar 12, 2026: Exhibit 4.1 — Indenture dated Mar 12, 2026 between…

Duke Energy filed an 8‑K (Item 9.01) on Mar 12, 2026: Exhibit 4.1 — Indenture dated Mar 12, 2026 between Duke Energy and The Bank of New York Mellon Trust…

8-KMarch 12, 2026

Duke Energy filed 8-K (3/12/2026): sold convertible Notes to Initial Purchasers relying on Section 4(a)(2)…

Duke Energy filed 8-K (3/12/2026): sold convertible Notes to Initial Purchasers relying on Section 4(a)(2) and Rule 144A for resale to qualified…

8-KMarch 12, 2026

Duke Energy sold $1.5B of 3.000% convertible senior notes due 3/15/2029 (includes $200M option) in a Rule…

Duke Energy sold $1.5B of 3.000% convertible senior notes due 3/15/2029 (includes $200M option) in a Rule 144A private offering; closing 3/12/2026. Interest…

8-KMarch 10, 2026

Duke Energy filed Form 8‑K (Item 9.01) on Mar 10, 2026 attaching a press release as Exhibit 99.1 and the…

Duke Energy filed Form 8‑K (Item 9.01) on Mar 10, 2026 attaching a press release as Exhibit 99.1 and the Inline XBRL cover page as Exhibit 104. Investors…

8-KMarch 10, 2026

Duke Energy priced an upsized private placement of $1.3B 3.000% Convertible Senior Notes due 2029 on Mar…

Duke Energy priced an upsized private placement of $1.3B 3.000% Convertible Senior Notes due 2029 on Mar 10, 2026 (was $1.0B). Private placement; press…

8-KMarch 9, 2026

Duke Energy filed an 8‑K on Mar 9, 2026 furnishing a press release (Exhibit 99.1) and Inline XBRL Cover…

Duke Energy filed an 8‑K on Mar 9, 2026 furnishing a press release (Exhibit 99.1) and Inline XBRL Cover Page (Exhibit 104). No other disclosures in the…

8-KMarch 9, 2026

Duke Energy ($DUK) launched a private placement of $1,000,000,000 principal amount of Convertible Senior…

Duke Energy ($DUK) launched a private placement of $1,000,000,000 principal amount of Convertible Senior Notes due 2029, announced Mar 9, 2026. Press…

8-KMarch 6, 2026

Duke Energy ($DUK) filed an 8‑K (Mar 6, 2026) announcing an Equity Distribution Agreement with major banks…

Duke Energy ($DUK) filed an 8‑K (Mar 6, 2026) announcing an Equity Distribution Agreement with major banks as sales agents and forward purchasers including…

8-KMarch 6, 2026

BREAKING — Confirmed: Duke Energy ($DUK) entered an Equity Distribution Agreement to sell up to $6.0B of…

BREAKING — Confirmed: Duke Energy ($DUK) entered an Equity Distribution Agreement to sell up to $6.0B of common stock via an at‑the‑market program with…

8-KMarch 3, 2026

Duke Energy ($DUK) filed an 8‑K on Mar 3, 2026 disclosing an Amended & Restated LLC Operating Agreement…

Duke Energy ($DUK) filed an 8‑K on Mar 3, 2026 disclosing an Amended & Restated LLC Operating Agreement for Florida Progress, LLC (Exhibit 10.1), dated Mar…

8-KMarch 3, 2026

Duke Energy ($DUK) 8‑K (03/03/2026) Item 2.01 reports completion of an acquisition/disposition; the…

Duke Energy ($DUK) 8‑K (03/03/2026) Item 2.01 reports completion of an acquisition/disposition; the transaction description is incorporated by reference to…

8-KMarch 3, 2026

BREAKING: Duke Energy confirms Amended & Restated LLC Agreement for Florida Progress — new Investor to…

BREAKING: Duke Energy confirms Amended & Restated LLC Agreement for Florida Progress — new Investor to hold ~19.7% and get 2 of 11 board seats; investor…

8-KFebruary 18, 2026

Duke Energy 8‑K (Item 9.01) filed Feb 18, 2026: Exhibit 104 (Cover Page Interactive XBRL) submitted.

Duke Energy 8‑K (Item 9.01) filed Feb 18, 2026: Exhibit 104 (Cover Page Interactive XBRL) submitted. Form signed by David S. Maltz (VP Legal, Chief…

8-KFebruary 18, 2026

Duke Energy ($DUK) entered an Aug 4, 2025 Investment Agreement with Peninsula Power (Brookfield affiliate)…

Duke Energy ($DUK) entered an Aug 4, 2025 Investment Agreement with Peninsula Power (Brookfield affiliate) for up to 19.7% of Florida Progress for an…

8-KFebruary 10, 2026

Duke Energy ($DUK) filed an 8-K (Item 9.01) on Feb 10, 2026 furnishing a news release as Exhibit 99.1…

Duke Energy ($DUK) filed an 8-K (Item 9.01) on Feb 10, 2026 furnishing a news release as Exhibit 99.1 (furnished pursuant to Item 2.02) and an Inline XBRL…

8-KFebruary 10, 2026

Duke Energy ($DUK) will issue Q4 2025 results on Feb 10, 2026 for the quarter ended Dec 31, 2025; news…

Duke Energy ($DUK) will issue Q4 2025 results on Feb 10, 2026 for the quarter ended Dec 31, 2025; news release to be posted at duke-energy.com/investors…

8-KDecember 12, 2025

8-K filed 12/12/2025 — Item 9.01: Duke Energy ($DUK) furnished Exhibit 104 (Inline XBRL cover page tags).

8-K filed 12/12/2025 — Item 9.01: Duke Energy ($DUK) furnished Exhibit 104 (Inline XBRL cover page tags). Technical filing limited to XBRL cover page…

8-KDecember 12, 2025

Duke Energy ($DUK) appoints Abigail L.

Duke Energy ($DUK) appoints Abigail L. Motsinger as SVP, Chief Accounting Officer & Controller effective Mar 1, 2026. Current CAO Cynthia S. Lee will serve…

8-KDecember 12, 2025

Duke Energy ($DUK) filed Form 8‑K (Item 9.01) on Dec 12, 2025 providing Exhibit 104 — Inline XBRL cover page.

Duke Energy ($DUK) filed Form 8‑K (Item 9.01) on Dec 12, 2025 providing Exhibit 104 — Inline XBRL cover page. No financial statements or other exhibits were…

8-KDecember 12, 2025

Duke Energy ($DUK) announced Cynthia S.

Duke Energy ($DUK) announced Cynthia S. Lee will retire as SVP, Chief Accounting Officer & Controller effective Dec 31, 2026; she’ll serve as advisor from…