Ownership signal 2 signals
Large-stake signal

Form

SCHEDULE 13D/A

Active or control-oriented beneficial ownership filing.

Ownership

26%

Beneficial ownership of this reported class.

Shares

26,729,880 shares

Shares beneficially owned as disclosed.

Event date

30 Jul 2025

Date tied to the ownership event or amendment.

Accepted by SEC

01 Aug 2025

EDGAR acceptance date.

How to read this large-stake filing
  • Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
  • Compare this filing with the holder history and issuer page before treating the percentage as a current position.
  • Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Subject security 2 source fields
Symbol
NPWR
Shares outstanding
104,413,594 shares
Source evidence 5 source fields
Form type
SCHEDULE 13D/A
Accepted by SEC
01 Aug 2025, 18:00:21 UTC
Event date
30 Jul 2025
Previous filing
17 Jul 2025
SEC filing
View on sec.gov

Key filing fact

SK INC. disclosed 26% ownership in NET Power Inc. Class A Common Stock, par value $0.0001 (NPWR) on 30 Jul 2025.

Key facts

  • SK INC. filed SCHEDULE 13D/A for NET Power Inc. Class A Common Stock, par value $0.0001 (NPWR).
  • Disclosed ownership: 26%.
  • Date of event: 30 Jul 2025.

Change

  • Previous schedule filing date: 17 Jul 2025.
  • Current filing was accepted on 01 Aug 2025, 18:00.

Research use

  • This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
  • Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting persons

Disclosed reporting parties (9)

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares owned Sole voting power Shared voting power Signature Title CIK
8 RIVERS CAPITAL, LLC 26% 26,729,880 0 26,729,880 /s/ Min Lee Min Lee, Acting General Counsel 0001981100
NPEH, LLC 26% 26,729,880 0 26,729,880 /s/ Min Lee Min Lee, Acting General Counsel 0001981772
SK INC. 0% 0 0 0 /s/ Munhyuk Jang Munhyuk Jang, Head of Corporate Management Department 0001947998
TILLANDSIA, INC. 0% 0 0 0 /s/ Kiseon Park Kiseon Park, President 0001994408
ARECA, INC. 0% 0 0 0 /s/ Jae Hun Jang Jae Hun Jang, President 0001994405
CHAMAEDOREA, INC. 0% 0 0 0 /s/ Munhyuk Jang Munhyuk Jang, Treasurer 0001996050
Damian Beauchamp 26% 26,729,880 0 26,729,880 /s/ Damian Beauchamp Damian Beauchamp 0001973442
8RCH, LLC 26% 26,729,880 0 26,729,880 /s/ Cynda Beauchamp Cynda Beauchamp, President & Secretary
Cynda Beauchamp 26% 26,729,880 0 26,729,880 /s/ Cynda Beauchamp Cynda Beauchamp
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