Duke Energy Corporation (DUK)
NYSE: DUK · Electric & Other Services Combined · Charlotte, NC · filing with the SEC since 2005
Grade5.9
◀ Past 6.5● Present 5.8▶ Future 5.7
Filings
444 filings since 2017 beside 831 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026Due nextLarge accelerated filer
10-K
Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends.
by Mar 1, 2027
10-Q
Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end.
by May 10, 2027
A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 36 days after the quarter ended. The proxy statement was last filed Mar 20, 2026.
Filings a yearinsider forms included
148129134167118114122122
2026 counts to Nov 13, 2026.
Officer or director change (8-K item 5.02): 6 times in the last 36 months, the newest Sep 25, 2026.
Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.
FiledFormWhat it is, in plain wordsPeriodAsk
Sep 25, 2026
8-K items 5.02, 8.01, 9.01
Officer or director change; Other event · Current report
Sep 24, 2026
Apr 1, 2026
8-K items 2.01, 7.01, 9.01
Purchase or sale of a business completed; Investor disclosure (Regulation FD) · Current report
Mar 31, 2026
Mar 12, 2026
8-K items 2.03, 3.02, 9.01
New debt or obligation taken on; Shares sold without registration · Current report
Mar 3, 2026
8-K items 1.01, 2.01, 9.01
Major agreement signed; Purchase or sale of a business completed · Current report
40 of 444 shown
Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.