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Insider-linked entity trims NET Power (NPWR) stake with 100,000-share sale

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

NET Power Inc. reported an insider transaction involving an indirect sale of Class A Common Stock by NPEH, LLC, an entity associated with 8 Rivers Capital, LLC. NPEH sold 100,000 shares in an open-market transaction at a weighted average price of $2.0425 per share, in multiple trades between $2.01 and $2.015. Following this sale, 400,000 shares of Class A Common Stock remained indirectly owned through NPEH. Footnotes state that 8 Rivers, and indirectly Damian R. Beauchamp, may be deemed beneficial owners only to the extent of their pecuniary interests and each disclaims broader beneficial ownership.

Positive

  • None.

Negative

  • None.
Insider 8 Rivers Capital, LLC, BEAUCHAMP DAMIAN R.
Role 10% Owner | 10% Owner
Sold 100,000 shs ($204K)
Type Security Shares Price Value
Sale Class A Common Stock 100,000 $2.0425 $204K
Holdings After Transaction: Class A Common Stock — 400,000 shares (Indirect, By: NPEH, LLC)
Footnotes (1)
  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 $2.01 to $2.015. 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. 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. 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.
Form 4 Insider Transactions: What Each Field Means →
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)
03/03/2026
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 03/03/2026 S 100,000 D $2.0425(1) 400,000 I By: NPEH, LLC(2)(3)
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 $2.01 to $2.015. 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. 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.
3. 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 03/05/2026
By: /s/ Damian R. Beauchamp 03/05/2026
** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did NET Power (NPWR) report on this Form 4?

NET Power reported an indirect insider sale of Class A Common Stock. NPEH, LLC sold 100,000 shares in an open-market transaction at a weighted average price of $2.0425 per share, with trades executed between $2.01 and $2.015.

Who actually sold the NET Power (NPWR) shares in this filing?

The shares were sold by NPEH, LLC, which directly owned the Class A Common Stock. 8 Rivers Capital, LLC is the manager and majority equity holder of NPEH and may be deemed a beneficial owner only to the extent of its pecuniary interest.

How many NET Power (NPWR) shares were sold and at what prices?

The transaction involved the sale of 100,000 shares of NET Power Class A Common Stock. The weighted average sale price was $2.0425 per share, with individual trades occurring in a price range from $2.01 to $2.015 per share.

How many NET Power (NPWR) shares remained after the reported sale?

After the sale, 400,000 shares of NET Power Class A Common Stock remained indirectly owned through NPEH, LLC. This figure reflects the holdings reported following the open‑market sale described in the Form 4 transaction details.

What is 8 Rivers Capital’s relationship to the NET Power (NPWR) shares?

8 Rivers Capital, LLC manages NPEH, LLC and holds about 90.9% of its equity, so it may be deemed a beneficial owner of NPEH’s NET Power shares, but disclaims beneficial ownership beyond any pecuniary interest it actually holds.

How is Damian R. Beauchamp connected to this NET Power (NPWR) transaction?

Damian R. Beauchamp indirectly owns about 63.72% and directly owns about 3.83% of 8 Rivers Capital, LLC. He may be deemed an indirect beneficial owner of NPEH’s NET Power shares only to the extent of his pecuniary interest and formally disclaims broader ownership.