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NET Power Inc.

For the period ended Dec 31, 2025. Filed Mar 9, 2026.

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About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 9, 2026

NPWR$0.84-0.3%Stored close · as of Nov 10, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Item 16. Form 10-K Summary

None.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: March 9, 2026 NET Power Inc.

By:/s/ Daniel J. Rice IV

Name: Daniel J. Rice IV

Title: Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities below on March 9, 2026.

SignaturePosition
/s/ Daniel J. Rice IVChief Executive Officer and Director
Daniel J. Rice IV(Principal Executive Officer and Principal Financial Officer)
/s/ Caleb C. Van DolahController
Caleb C. Van Dolah(Principal Accounting Officer)
/s/ Peter J. BennettChair of the Board of Directors
Peter J. Bennett
/s/ Ralph AlexanderDirector
Ralph Alexander
/s/ J. Kyle DerhamDirector
J. Kyle Derham
/s/ Frederick A. ForthuberDirector
Frederick A. Forthuber
/s/ Joseph T. KelliherDirector
Joseph T. Kelliher
/s/ Carol PetersonDirector
Carol Peterson
/s/ Brad PollackDirector
Brad Pollack
/s/ Alejandra VeltmannDirector
Alejandra Veltmann

Audited Financial Statements of NET Power Inc.

Page
Report of Independent Registered Public Accounting Firm (PCAOB ID Number 185)F-2
Report of Independent Registered Public Accounting Firm (PCAOB ID Number 248)F-3
Consolidated Balance SheetsF-4
Consolidated Statements of Operations and Comprehensive LossF-6
Consolidated Statement of Shareholders’ Equity and Mezzanine Shareholders' EquityF-7
Consolidated Statements of Cash FlowsF-8
Notes to Consolidated Financial StatementsF-10
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.