NRG Energy officer plans $188K stock sale Sept. 8

An NRG Energy officer filed a Rule 144 notice to sell 1,580 common shares tied to stock plan awards.

Rhea-AI Filing Summary

NRG Energy, Inc. (NRG) officer Gerald Spencer filed a notice under Rule 144 for a planned sale of common stock through Morgan Stanley Smith Barney LLC. The filing covers 1,580 shares of common stock with an aggregate market value of $188,051.60, expected to be sold on September 8, 2026 on the NYSE.

The shares relate to 296 shares acquired through an Employee Stock Purchase Plan on September 30, 2024 for cash and 1,284 shares from Restricted Stock Units dated January 2, 2025.

Key Figures

Shares to be sold: 1,580 shares Aggregate market value: $188,051.60 Employee Stock Purchase Plan shares: 296 shares +2 more

5 metrics

Shares to be sold 1,580 shares Common stock covered by the Rule 144 notice

Aggregate market value $188,051.60 Market value of the 1,580 shares planned for sale

Employee Stock Purchase Plan shares 296 shares Shares acquired on September 30, 2024 for cash

Restricted Stock Units shares 1,284 shares Shares from Restricted Stock Units dated January 2, 2025

Planned sale date September 8, 2026 Date of proposed NYSE sale of 1,580 shares

Key Terms

Rule 144, Employee Stock Purchase Plan, Restricted Stock Units

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Employee Stock Purchase Plan financial

"Common | 09/30/2024 | Employee Stock Purchase Plan | Issuer"

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

Restricted Stock Units financial

"Common | 01/02/2025 | Restricted Stock Units | Issuer"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

FAQ

What does the Form 144 filing disclose for NRG (NRG)?

It discloses that officer Gerald Spencer plans to sell 1,580 shares of NRG Energy, Inc. common stock under Rule 144 through Morgan Stanley Smith Barney LLC, with an aggregate market value of $188,051.60, on the NYSE.

How many NRG (NRG) shares are planned for sale and at what value?

The notice covers 1,580 shares of NRG common stock with an aggregate market value of $188,051.60. These shares are expected to be sold in a transaction dated September 8, 2026 on the NYSE.

What is the source of the NRG (NRG) shares being sold under Rule 144?

The filing states that 296 shares were acquired via an Employee Stock Purchase Plan on September 30, 2024 for cash, and 1,284 shares came from Restricted Stock Units dated January 2, 2025.

Who is the selling security holder in this NRG (NRG) Form 144?

The selling security holder is Gerald Spencer, identified as an officer of NRG Energy, Inc. The shares are to be sold for his account, as described in the Rule 144 notice.

Which broker is handling the planned NRG (NRG) share sale?

The planned sale of NRG common stock is to be executed through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, New York, as listed in the securities information section.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/08/2026 - 04:28 PM Accepted by SEC EDGAR 09/08/2026 - 04:27 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001925859
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	NRG Energy, Inc.
SEC File Number	001-15891
Address of Issuer	1301 McKinney Street HOUSTON TEXAS 77010
Phone	7135373000
Name of Person for Whose Account the Securities are To Be Sold	GERALD SPENCER
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	1580	188051.60	210210483	09/08/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/30/2024	Employee Stock Purchase Plan	Issuer			296	09/30/2024	Cash
Common	01/02/2025	Restricted Stock Units	Issuer			1284	01/02/2025	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	09/08/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/05/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Gerald Spencer
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)