David Nanus - 04 Mar 2026 Form 4 Insider Report for NRG ENERGY, INC. (NRG)

Reporting relationship: 10%+ Owner
Issuer ticker: NRG
Reported as of: 04 Mar 2026
Net transaction value: -$2,645,200,116
SEC form: 4
Accepted by SEC: 04 Mar 2026, 18:50:10 UTC
Prior SEC filing: 06 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Jeffrey Wade, Attorney-in-Fact for David Nanus

Key filing fact

David Nanus filed Form 4 for NRG ENERGY, INC. (NRG) on 04 Mar 2026.

Key facts

This page summarizes David Nanus's Form 4 filing for NRG ENERGY, INC. (NRG).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 04 Mar 2026, 18:50.

Change

Previous filing in this sequence was filed on 06 Feb 2026.
Current net transaction value: -$2,645,200,116.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001870860 Primary reporting owner

Nanus David

Relationship: 10%+ Owner
Address: 250 W 55TH STREET, 31ST FLOOR, NEW YORK
Signature: /s/ Jeffrey Wade, Attorney-in-Fact for David Nanus
Signature date: 04 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NRG transaction

Common stock, par value $0.01 per share

Sale

Transaction value: $2,345,200,000
Shares: -14,300,000
Change %: -68%
Price: $164.00
Shares after: 6,650,000
Date: 04 Mar 2026
Ownership: See Footnotes
Footnotes: F1, F3, F4

NRG transaction

Common stock, par value $0.01 per share

Sale

Transaction value: $300,000,116
Shares: -1,829,269
Change %: -28%
Price: $164.00
Shares after: 4,820,731
Date: 04 Mar 2026
Ownership: See Footnotes
Footnotes: F2, F3, F4

NRG holding

Common stock, par value $0.01 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,300,000
Date: 04 Mar 2026
Ownership: See Footnote
Footnotes: F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

David Nanus is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 5 footnotes

Footnote F1

These shares were sold by Lightning Power Holdings, LLC, Thunder Generation LLC, and CCS Power Holdings, LLC (the Selling Stockholders) pursuant to an underwriting agreement dated March 2. 2026, among the Selling Stockholders, the Issuer, Barclays Capital Inc. and Citibank Global Markets Inc., at a price per share of $164, before underwriting discounts and commissions (the Secondary Offering). The Secondary Offering closed on March 4, 2026.

Footnote F2

Also on March 4, 2026, the Selling Stockholders sold shares of the Issuer's Common Stock at a price of $164 to the Issuer pursuant to a Stock Repurchase Agreement dated as of February 27, 2026.

Footnote F3

3,782,093, 799,282, and 239,356 shares are held directly by Lightning Power Holdings, LLC, Thunder Generation LLC, and CCS Power Holdings, LLC, respectively. The investment advisor to the LS Power entities who may be deemed to beneficially own the securities held by the Selling Stockholders is LS Power Equity Advisors, LLC (LSP Advisors). The reporting person is the President of LSP Advisors.

Footnote F4

The reporting person, through his position, relationship and/or affiliation with the LS Power entities, may have shared voting and investment power with respect to the shares beneficially owned by the LS Power entities. As such, the reporting person may be deemed to have or share beneficial ownership of the shares beneficially owned by the LS Power entities. The reporting person disclaims beneficial ownership of such shares.

Footnote F5

The Issuer and the Selling Stockholders are parties to an Amended and Restated Voting Trust Agreement with Wilmington Savings Fund Society, FSB (the Trustee), pursuant to which the Selling Stockholders deposited 3,300,000 shares of Common Stock in the Project Hurricane Consideration Voting Trust 2026 (the Trust) and granted to the Trustee, subject to certain exceptions, voting rights with respect to such shares.