Gerald Alfred Spencer - 02 Jan 2026 Form 4 Insider Report for NRG ENERGY, INC. (NRG)

Role: SVP & Chief Accounting Officer
Signature: Christine Zoino, by Power of Attorney
Issuer symbol: NRG
Transactions as of: 02 Jan 2026
Net transactions value: -$174,634
Form type: 4
Filing time: 06 Jan 2026, 18:41:23 UTC
Previous filing: 05 Nov 2025
Next filing: 04 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Spencer Gerald Alfred	SVP & Chief Accounting Officer	804 CARNEGIE CENTER, PRINCETON	Christine Zoino, by Power of Attorney	06 Jan 2026	0001925859

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NRG	Common Stock, par value $.01 per share	Award	$0	+1,072	+14%	$0.000000	8,696	02 Jan 2026	Direct	F1
transaction	NRG	Common Stock, par value $.01 per share	Tax liability	$44,032	-265	-3%	$166.16	8,431	02 Jan 2026	Direct	F2
transaction	NRG	Common Stock, par value $.01 per share	Tax liability	$130,602	-786	-9.3%	$166.16	7,645	02 Jan 2026	Direct	F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	NRG	Relative Performance Stock Units	Award	$0	+2,177		$0.000000	2,177	02 Jan 2026	Common Stock, par value $.01 per share	2,177	$0.000000	Direct	F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents Restricted Stock Units ("RSUs") issued to the Reporting Person under the LTIP. Each RSU is equivalent in value to one share of NRG's Common Stock, par value $.01 per share ("Common Stock"). The Reporting Person will receive from NRG one such share of Common Stock for each RSU that will vest ratably over a three-year period beginning on the first anniversary date of the grant.
F2	On January 2, 2025, the Reporting Person was issued 2,001 RSUs by NRG under the LTIP. On January 2, 2026, 666 shares vested. The Reporting Person elected to satisfy their tax obligation upon the exchange of Common Stock for RSUs having a value on the date of the exchange equal to the withholding obligation. This form reflects the surrender of 265 shares of Common Stock to satisfy the Reporting Person's tax withholding obligation. In connection with the vesting of the RSUs, 8 DERs vested, resulting in the Reporting Person holding 86 DERs in the aggregate.
F3	On January 2, 2024, the Reporting Person was issued 1,739 and 3,622 RSUs in two individual grants by NRG under the LTIP. On January 2, 2026, 579 and 1,206 shares vested respectively. The Reporting Person elected to satisfy their tax obligation upon the exchange of Common Stock for RSUs having a value on the date of the exchange equal to the withholding obligation. This form reflects the surrender of a total of 786 shares of Common Stock to satisfy the Reporting Person's tax withholding obligation. In connection with the vesting of the RSUs, a total of 65 DERs vested, resulting in the Reporting Person holding 94 DERs in the aggregate.
F4	On January 2, 2026, the Reporting Person was issued 2,177 RPSUs by NRG under the LTIP that vest on January 2, 2029, subject to certain performance conditions.