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: Donohue Elisabeth B CIK: 0001707011 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: +1,499 | Price: $0.00 Shares Owned After: 29,050 | Ownership: D (Direct) Footnotes: [F1] Represents 1,499 Deferred Stock Units issued to the Reporting Person under NRG Energy, Inc.'s Long-Term Incentive Plan. Each Deferred Stock Unit was equivalent in value to one share of NRG Energy, Inc.'s Common Stock, par value $.01 per share. On June 1, 2026, the Reporting Person received from NRG Energy, Inc. one such share of Common Stock in exchange for each Deferred Stock Unit they were issued on that same date. [F2] Includes 2,390 Dividend Equivalent Rights. --- Footnotes (Complete Index) --- F1: Represents 1,499 Deferred Stock Units issued to the Reporting Person under NRG Energy, Inc.'s Long-Term Incentive Plan. Each Deferred Stock Unit was equivalent in value to one share of NRG Energy, Inc.'s Common Stock, par value $.01 per share. On June 1, 2026, the Reporting Person received from NRG Energy, Inc. one such share of Common Stock in exchange for each Deferred Stock Unit they were issued on that same date. F2: Includes 2,390 Dividend Equivalent Rights. --- Signature --- /s/ Christine Zoino, by Power of Attorney (2026-06-03)