Duke Energy (DUK)Sen. Alan Armstrong disclosed a sale $1K–$15K

$1,001–$15,000

Reported range · official band, not an exact amount

116 days

Disclosure lag

Traded

Mar 27, 2026

Disclosed

Jul 21, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Feb 10, 2026Company filing · Form 8-K · ResultsReported its results
2. Feb 12, 2026InsiderCEO sold ~$868K of DUK shares in the open market
3. Feb 20, 2026InsiderOfficer sold ~$557K of DUK shares in the open market
4. Feb 23, 2026Insider · 1 personInsiders: 2 sales (~$1.5M)
5. Feb 24, 2026InsiderOfficer sold ~$123K of DUK shares in the open market
6. Mar 2, 2026Insider · 2 peopleInsiders: 3 sales (~$2.5M)
7. Mar 3, 2026Company filing · Form 8-K · Material agreement, Acquisition or saleCompleted buying or selling a business or assets, and signed an important agreement“The description under the Introductory Note in this Current Report on Form 8-K is incorporated herein by reference under this”
8. Mar 6, 2026Company filing · Form 8-K · Material agreementSigned an important agreement
9. Mar 12, 2026Company filing · Form 8-K · New debt, Unregistered sharesTook on new debt or obligations, and sold new shares without registering them
10. Mar 16, 2026Company filing · Form 8-K · Material agreementSigned an important agreement
11. Mar 26, 20265% stakeThe Vanguard Group reported a passive stake (13G)
12. Mar 27, 2026 · this disclosureCongressDisclosed sale of DUK — reported range $1,001 - $15,000

What came next

1. Mar 31, 2026Company filing · Form 8-K · Acquisition or sale, Reg FDCompleted buying or selling a business or assets, and shared information with investors“As previously disclosed in a Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission (the “SEC”) on July 29, 2025 by Duke Energy Corporation (“Duke Energy”) and Piedmont Natural Gas Company, Inc., a North Carolina corporation (“Piedmont”) and wholly owned subsidiary of Duke Energy, Piedmont entered into an Asset Purchase Agreement by and between Piedmont and Spire Tennessee Inc., a Delaware…”
2. Apr 14, 2026Federal contract · $173K obligatedDepartment of Justice awarded Duke Energy: $173K obligated to date
3. Apr 27, 2026Federal contract · $216K obligatedDepartment of Justice awarded Duke Energy: $216K obligated to date
4. Apr 27, 2026Federal contract · $208K obligatedDepartment of Justice awarded Duke Energy: $208K obligated to date
5. Apr 29, 20265% stakeVanguard Capital Management reported a passive stake (13G) of 7.5%
6. Apr 30, 2026Federal contract · $536K obligatedDepartment of Health and Human Services awarded Duke Energy: $536K obligated to date
7. May 5, 2026Company filing · Form 8-K · ResultsReported its results
8. May 8, 2026Insider · First sale since 2021CEO sold ~$2.49M of DUK shares in the open market
9. May 11, 2026InsiderCEO sold ~$438K of DUK shares in the open market
10. Jun 8, 2026CongressDisclosed sale of DUK — reported range $15,001 - $50,000
11. Jul 10, 2026CongressDisclosed purchase of DUK — reported range $1,001 - $15,000

How to read Senate eFD periodic transaction report

The STOCK Act is a 2012 US law that requires members of Congress, and some senior staff, to publicly report their stock trades, and those of their spouse and dependent children, within 45 days.

Full guide: What is the STOCK Act?

What else is on file for Duke Energy

For Duke Energy, OQRO holds 3 Congress trade reports, 27 fund holdings reports (13F) and 5 federal contract awards dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its DUK page.

Other recent filings by Sen. Alan Armstrong

• Senate eFD periodic transaction report at Williams Companies (WMB)Sep 17, 2026
• Senate eFD periodic transaction report at Williams Companies (WMB)Sep 17, 2026
• Senate eFD periodic transaction report at KKR & Co. (KKR)Jul 21, 2026
• Senate eFD periodic transaction report at Globe Life (GL)Jul 21, 2026
• Senate eFD periodic transaction report at Copart (CPRT)Jul 21, 2026

The full history of Sen. Alan Armstrong is on the profile page.

How this filing works

• The STOCK Act

Other disclosures at Duke Energy

• USAspending.gov award recordSep 28, 2026
• USAspending.gov award recordSep 17, 2026
• USAspending.gov award recordSep 3, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026

Everything OQRO holds on this company is on its DUK page.