secwatch.observer — SEC 8-K summary
======================================

Issuer:     Duke Energy CORP (DUK)
CIK:        0001326160
Form:       8-K
Filed at:   2026-09-25T10:30:27+00:00
Accession:  0001104659-26-110588
Event type: leadership
Sentiment:  neutral
Materiality: 0.20
Item codes: 5.02, 8.01, 9.01
LLM model:  deepseek-v4.1-flash:cloud@v2

Duke Energy adds Joyce Mullen to board, effective Sept. 28, 2026
----------------------------------------------------------------

- Board appointed Joyce Mullen as director effective Sept. 28, 2026; initial term expires at the 2027 Annual Meeting of Shareholders.
- Mullen will serve on the Audit Committee and the Operations and Nuclear Oversight Committee, effective Sept. 28, 2026.
- Mullen retired as president and CEO of Insight Enterprises in April 2026 and continues there as EVP of strategic development; she previously spent 21 years at Dell Technologies.
- Board determined Mullen is independent under NYSE listing standards and Duke's director independence standards; she also serves on The Toro Company board.
- As a non-employee director she receives a pro-rated cash and stock retainer and is subject to stock ownership guidelines requiring holdings of at least $700,000.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1326160/000110465926110588/0001104659-26-110588-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1326160/000110465926110588/tm2626114d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-26-110588

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer