Form 4 for NPWR Net Power Inc.
Accepted 2025-11-04 00:00:00 ET · period of report 2025-10-31 · accession 0001104659-25-106551 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-11-04 | 2025-11-03 | NPWR | NPEH, LLC | 10% | J - Other | — | -2.00M | 20.73M | -9% | — |
| D | 2025-11-04 | 2025-11-03 | NPWR | NPEH, LLC | 10% | C - Cnv Deriv | — | +2.00M | 3.84M | +109% | — |
| DM | 2025-11-04 | 2025-10-31+ | NPWR | NPEH, LLC | 10% | S - Sale | $4.03 | -26.6K | 1.85M | -1% | -$107.3K |
| D | 2025-11-04 | 2025-11-03 | NPWR | NPEH, LLC | 10% | C - Cnv Deriv | — | -2.00M | 20.73M | -9% | — |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class B Common Stock | 2025-11-03 | J | D | 2,000,000 | — | 20,729,880 | D | — | — | (F4) For each Class A Unit of Net Power Operations LLC, NPEH owns a corresponding share of Class B Common Stock of the Issuer. Upon the exchange of 2,000,000 Class A Units of Net Power Operations LLC, an equal number of shares of Class B Common Stock of the Issuer held by NPEH, which have no economic value, were cancelled. |
| 2 | Common | Class A Common Stock | 2025-11-03 | C | A | 2,000,000 | — | 3,838,653 | D | — | — | (F3) The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On November 03, 2025, NPEH exchanged 2,000,000 Class A Units of NET Power Operations LLC for 2,000,000 shares of the Issuer's Class A Common Stock. |
| 3 | Common | Class A Common Stock | 2025-11-03 | S | D | 8,477 | $4.00 | 1,838,653 | D | — | — | (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 $4.00 to $4.01. 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. |
| 4 | Common | Class A Common Stock | 2025-10-31 | S | D | 18,116 | $4.05 | 1,847,130 | D | — | — | (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 $4.05 to $4.06. 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. |
| 5 | Derivative | Class A Units of NET Power Operations LLC | 2025-11-03 | C | D | 2,000,000 | — | 20,729,880 | D | — · — to — | 2,000,000 Class A Common Stock | (F3) The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On November 03, 2025, NPEH exchanged 2,000,000 Class A Units of NET Power Operations LLC for 2,000,000 shares of the Issuer's Class A Common Stock. |