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NPWR · Current Report (Form 8-K) · Filed July 15, 2025

Net Power Inc — Current Report (Form 8-K)

Form
8-K
Filed
July 15, 2025
Period
Jul 10, 2025
Ticker
NPWR
Accession
0001845437-25-000049
Boardroom Alpha · Filing insights

Eunkyung Sung resigns from NET Power's board effective July 10, 2025, with no disagreements cited.

Executive resignation
About Net Power Inc
Market cap
$470M
1Y TSR
−14.7%
3Y TSR
−45.4%
Board grade
D
Sector
Industrials
Last annual meeting: Jun 3, 2026 · View full Net Power Inc profile →
npwr-20250710

 
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): July 10, 2025
NET POWER INC.
(Exact name of registrant as specified in its charter)
Delaware
001-4050398-1580612
(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:
oWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
oSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
oPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
oPre-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 classTrading Symbol(s)Name of each exchange on which registered
Class A Common Stock, par value $0.0001 per shareNPWRThe New York Stock Exchange
Warrants, each exercisable for one share of Class A Common Stock at a price of $11.50
NPWR WSThe 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 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

On July 10, 2025, Eunkyung Sung notified the board of directors (the “Board”) of NET Power Inc. (the “Company”) of her decision to resign as a member of the Board, effective immediately. Ms. Sung’s decision was not due to any disagreement with the Company’s management or Board.




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:June 15, 2025NET POWER INC.
By:/s/ Daniel J. Rice IV
Name:Daniel J. Rice IV
Title:Chief Executive Officer

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Frequently asked questions

When did Net Power Inc file this 8-K?
Net Power Inc (NPWR) filed this Current Report (Form 8-K) with the SEC on July 15, 2025. The accession number assigned by EDGAR is 0001845437-25-000049.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Eunkyung Sung resigns from NET Power's board effective July 10, 2025, with no disagreements cited. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What events did Boardroom Alpha flag in this filing?
BA's event-extraction layer identified this signal in the filing text: "Executive resignation". It appears above the filing body as a labeled pill.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Net Power Inc's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Net Power Inc has filed under CIK 1845437, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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