Sideris Harry K. 4

What Happened
Harry K. Sideris, President, CEO and a director of Duke Energy (DUK), received 20,347 vested performance-based shares on Feb. 5, 2026 (recorded as an award/acquisition). To satisfy tax withholding upon vesting, 7,624 of those shares were withheld and disposed at a reported per-share value of $123.41, generating $940,878 in withheld taxes. The award was granted originally on Feb. 22, 2023, with a three-year performance period deemed satisfied on Feb. 5, 2026. Based on the $123.41 per-share value used for withholding, the gross market value of the 20,347 vested shares was roughly $2.51 million (approximate).

Key Details

• Transaction date: 2026-02-05; Form 4 filed: 2026-02-09 (filing appears timely).
• Award: 20,347 shares granted/vested (code A) at $0.00 acquisition price (performance award).
• Tax withholding: 7,624 shares withheld/disposed (code F) at $123.41/share = $940,878.
• Footnotes: F1 — performance shares from grant on 2023-02-22 with a 3-year performance period satisfied 2026-02-05; F2 — shares withheld to pay taxes; F3 — references interests in an issuer stock fund.
• Shares owned after the transaction: not specified in the supplied filing details.

Context
This was not an open-market purchase or sale for investment purposes but the vesting of a performance-based equity award; the withholding of shares to cover taxes is a common cashless mechanism (disposition code F). Such vesting events typically reflect compensation fulfillment rather than a manager’s directional bet on the stock.