InsiderTrades

Form 4 for NPWR Net Power Inc.

Accepted 2025-07-31 00:00:00 ET · period of report 2025-07-30 · accession 0001104659-25-072811 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DI 2025-07-31 2025-07-30 NPWR SK INC. 10% J - Other — -26.73M 0 -100% —
DI 2025-07-31 2025-07-30 NPWR SK INC. 10% J - Other — -26.73M 0 -100% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class B Common Stock 2025-07-30 J D 26,729,880 — 0 I See Footnotes — — (F1) The securities reported in this Form 4 are directly held by NPEH, LLC ("NPEH"), a limited liability company of which the Reporting Person was the indirect majority owner. On July 30, 2025, the Reporting Person sold 100% of the equity interests of each of Tillandsia, Inc. ("Tillandsia"), Areca, Inc. ("Areca") and Chamaedorea, Inc. ("Chamaedoria"). Tillandsia, Areca and Chamaedorea own approximately 18.6%, 25.77% and 24.11%, respectively, of the voting units of 8 Rivers Capital, LLC ("8 Rivers"). 8 Rivers is the manager and owns approximately 91.4% of NPEH. (F2) For each Class A Unit of Net Power Operations LLC, NPEH owns one corresponding share of Class B Common Stock of the Issuer. The Class A Units of NET Power Operations LLC are exchangeable (together with the cancellation of a corresponding number of shares of the Issuer's Class B Common Stock) into shares of the Issuer's Class A Common Stock on a one-for-one basis or, at the Issuer's election, cash, and have no expiration date.
2 Derivative Class A Units of NET Power Operations LLC 2025-07-30 J D 26,729,880 — 0 I See Footnotes — · — to — 26,729,880 Class A Common Stock (F1) The securities reported in this Form 4 are directly held by NPEH, LLC ("NPEH"), a limited liability company of which the Reporting Person was the indirect majority owner. On July 30, 2025, the Reporting Person sold 100% of the equity interests of each of Tillandsia, Inc. ("Tillandsia"), Areca, Inc. ("Areca") and Chamaedorea, Inc. ("Chamaedoria"). Tillandsia, Areca and Chamaedorea own approximately 18.6%, 25.77% and 24.11%, respectively, of the voting units of 8 Rivers Capital, LLC ("8 Rivers"). 8 Rivers is the manager and owns approximately 91.4% of NPEH. (F2) For each Class A Unit of Net Power Operations LLC, NPEH owns one corresponding share of Class B Common Stock of the Issuer. The Class A Units of NET Power Operations LLC are exchangeable (together with the cancellation of a corresponding number of shares of the Issuer's Class B Common Stock) into shares of the Issuer's Class A Common Stock on a one-for-one basis or, at the Issuer's election, cash, and have no expiration date.