8 Rivers Capital, LLC → NET Power Inc. NPWR-WT

Stake: 17.86% Shares: 18,972,780 CUSIP: 64107A105 Class: Class A Common Stock, par value $0.0001

Item 4 — Purpose of Transaction

The information contained in Item 4 of Schedule 13D is hereby amended and supplemented by adding the following information: Between May 14, 2026, and August 17, 2026, NPEH sold 1,722,100 shares of Class A Common Stock held by it.

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

3 13D/G filings on this issuer

2 other filings besides this one

Filer Track Record

3 filings by this filer

2 other filings in the data moat

Short Interest

—

Not in latest FINRA snapshot

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

2 holders · $30.77M

Greenlight CapitalPoint72 Asset Mgmt

Other 13D/G Filings on NET Power Inc.

Filed	Form	Filer	Stake	Shares
2026-05-14	SCHEDULE 13D/A	8 Rivers Capital, LLC	—	20,694,880	view →
2026-01-28	SCHEDULE	8 Rivers Capital, LLC	21.01%	21,984,660	view →

Other Filings by 8 Rivers Capital, LLC

Filed	Form	Issuer	Stake	Shares
2026-05-14	SCHEDULE 13D/A	NET Power Inc. NPWR-WT	—	20,694,880	view →
2026-01-28	SCHEDULE	NET Power Inc. NPWR-WT	21.01%	21,984,660	view →

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