NRG ENERGY, INC. (NRG) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-06-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: NRG ENERGY, INC. (NRG) CIK: 0001013871 --- Reporting Owner --- Name: ZLOTNIK MARCIE CIK: 0001260593 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock, par value $.01 per share Date: 2026-06-01 | Code: A (Grant or award) Shares: +1,422 | Price: $0.00 Shares Owned After: 8,692 | Ownership: D (Direct) Footnotes: [F1] Represents 1,422 Deferred Stock Units issued to the Reporting Person under NRG Energy, Inc.'s Long-Term Incentive Plan. Each Deferred Stock Unit is equivalent in value to one share of NRG Energy, Inc.'s Common Stock, par value $.01 per share. The Reporting Person will receive from NRG Energy, Inc. one such share of Common Stock for each Deferred Stock Unit they own upon termination of their service on NRG Energy, Inc.'s Board of Directors. [F2] Includes 239 Dividend Equivalent Rights. --- Footnotes (Complete Index) --- F1: Represents 1,422 Deferred Stock Units issued to the Reporting Person under NRG Energy, Inc.'s Long-Term Incentive Plan. Each Deferred Stock Unit is equivalent in value to one share of NRG Energy, Inc.'s Common Stock, par value $.01 per share. The Reporting Person will receive from NRG Energy, Inc. one such share of Common Stock for each Deferred Stock Unit they own upon termination of their service on NRG Energy, Inc.'s Board of Directors. F2: Includes 239 Dividend Equivalent Rights. --- Signature --- /s/ Christine Zoino, by Power of Attorney (2026-06-03)