NET Power Inc. Insider Trading Activity

NET Power Inc. insider-related entity NPEH, LLC reported open-market sales of a total of 188,517 shares of Class A Common Stock.

Rhea-AI Filing Summary

NET Power Inc. insider-related entity NPEH, LLC reported open-market sales of a total of 188,517 shares of Class A Common Stock. NPEH sold 125,000 shares at a weighted average price of $2.1411 on February 19 and 63,517 shares at a weighted average price of $2.0346 on February 20. These shares are indirectly owned; 8 Rivers Capital, LLC and Damian R. Beauchamp may be deemed beneficial owners only to the extent of their pecuniary interests and each disclaims beneficial ownership beyond that.

Insider Trade Summary

Net Seller: 188,517 shares

Net Sell 2 txns

Insider 8 Rivers Capital, LLC, BEAUCHAMP DAMIAN R.

Role 10% Owner | 10% Owner

Sold 188,517 shs ($397K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	63,517	$2.0346	$129K
Sale	Class A Common Stock	125,000	$2.1411	$268K

Holdings After Transaction: Class A Common Stock — 586,483 shares (Indirect, By: NPEH, LLC)

Footnotes (4)

1. 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 $2.10 to $2.17. 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.
2. F2. 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 $2.00 to $2.1175. 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.
3. F3. 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.
4. F4. Damian R. Beauchamp ("Mr. Beauchamp") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% 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.

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Accepted by SEC EDGAR 02/23/2026 - 06:00 PM EST Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

8 Rivers Capital, LLC

(Last) (First) (Middle)

406 BLACKWELL STREET, 4TH FLOOR

(Street)

DURHAM NC 27701

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
NET Power Inc. [ NPWR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
02/19/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	02/19/2026		S		125,000	D	$2.1411(1)	650,000	I	By: NPEH, LLC(3)(4)
Class A Common Stock	02/20/2026		S		63,517	D	$2.0346(2)	586,483	I	By: NPEH, LLC(3)(4)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person^*

8 Rivers Capital, LLC

(Last) (First) (Middle)

406 BLACKWELL STREET, 4TH FLOOR

(Street)

DURHAM NC 27701

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

BEAUCHAMP DAMIAN R.

(Last) (First) (Middle)

406 BLACKWELL STREET, 4TH FLOOR

(Street)

DURHAM NC 27701

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

Explanation of Responses:

1. 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 $2.10 to $2.17. 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.

2. 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 $2.00 to $2.1175. 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.

3. 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.

4. Damian R. Beauchamp ("Mr. Beauchamp") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% 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.

	By: /s/ Min Lee, General Counsel of 8 Rivers Capital, LLC	02/23/2026
	By: /s/ Damian R. Beauchamp	02/23/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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