8 Rivers Capital, LLC - 09 Dec 2025 Form 4 Insider Report for NET Power Inc. (NPWR)

Role
10%+ Owner
Signature
By: /s/ Min Lee, General Counsel of 8 Rivers Capital, LLC
Issuer symbol
NPWR
Transactions as of
09 Dec 2025
Net transactions value
-$112,940
Form type
4
Filing time
11 Dec 2025, 18:00:20 UTC
Previous filing
08 Dec 2025
Next filing
23 Dec 2025
SEC
View on sec.gov

Reporting Owners (2)

Name Relationship Address Signature Signature date CIK
8 Rivers Capital, LLC 10%+ Owner 406 BLACKWELL STREET, 4TH FLOOR, DURHAM By: /s/ Min Lee, General Counsel of 8 Rivers Capital, LLC 11 Dec 2025 0001981100
BEAUCHAMP DAMIAN R. 10%+ Owner 406 BLACKWELL STREET, 4TH FLOOR, DURHAM By: /s/ Damian R. Beauchamp 11 Dec 2025 0001973442

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NPWR Class A Common Stock Sale $112,940 -40,000 -1.5% $2.82 2,550,000 09 Dec 2025 By: NPEH, LLC F1, F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.80 to $2.855. NPEH, LLC ("NPEH") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.
F2 As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC ("8 Rivers") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise.
F3 Damian R. Beauchamp ("Mr. Beauchamp") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise.