NPWR provides Q3 2025 financial results press release (Item 2.02)

Rhea-AI Filing Summary

NET POWER Inc. (NPWR) furnished an update on its business by announcing it issued a press release with financial results for the quarter ended September 30, 2025. The release was provided as Exhibit 99.1 and is incorporated by reference.

The company stated the information under Item 2.02 and Exhibit 99.1 is being furnished, not filed, and therefore is not subject to liabilities under Section 18 of the Exchange Act, nor incorporated into other SEC filings except by specific reference. The report is signed by Chief Executive Officer Daniel J. Rice IV.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): November 13, 2025

NET POWER INC.

(Exact name of registrant as specified in its charter)

Delaware

001-40503

98-1580612

(State or other jurisdiction of incorporation)

(Commission File Number)

(IRS Employer Identification No.)

320 Roney St., Suite 200 Durham, North Carolina						27701
(Address of principal executive offices)						(Zip Code)

(919) 287-4750

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Class A Common Stock, par value $0.0001 per share

NPWR

The New York Stock Exchange

Warrants, each exercisable for one share of Class A Common Stock at a price of $11.50

NPWR WS

The New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company x

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Item 2.02 Results of Operations and Financial Condition.

On November 13, 2025, Net Power Inc., a Delaware corporation, issued a press release setting forth its financial results for the quarter ended September 30, 2025. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated by reference herein.

The information set forth in this Item 2.02 of this Current Report on Form 8-K and the related information in Exhibit 99.1 attached hereto is being furnished herewith, and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section and shall not be incorporated by reference in any filing with, the Securities and Exchange Commission under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference therein.

Item 9.01 Financial Statements and Exhibits.

(d)Exhibits.

Exhibit Number						Description
99.1						Press release dated November 13, 2025
104						Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

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:

November 13, 2025

NET POWER INC.

By:

/s/ Daniel J. Rice IV

Name:

Daniel J. Rice IV

Title:

Chief Executive Officer

FAQ

What did NET POWER (NPWR) announce in this 8-K?

It furnished a press release with financial results for the quarter ended September 30, 2025, attached as Exhibit 99.1.

Which 8-K item applies to NPWR’s disclosure?

The disclosure is under Item 2.02 (Results of Operations and Financial Condition).

Is the NPWR press release considered filed with the SEC?

No. The information is being furnished, not filed, and is not subject to Section 18 liabilities or incorporated into other filings unless specifically referenced.

What period do the disclosed results cover for NPWR?

The press release covers the company’s financial results for the quarter ended September 30, 2025.

Who signed the NPWR 8-K?

The report was signed by Daniel J. Rice IV, Chief Executive Officer.

What exhibit contains NPWR’s results press release?

Exhibit 99.1 contains the press release dated November 13, 2025.

What securities of NPWR are listed on the NYSE?

Class A Common Stock (NPWR) and Warrants (NPWR WS), each warrant exercisable for one share at $11.50.