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: Carter Matthew Jr CIK: 0001481169 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: 43,544 | 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 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 5,383 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 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 5,383 Dividend Equivalent Rights. --- Signature --- /s/ Christine Zoino, by Power of Attorney (2026-06-03)