NET Power's three largest insider shareholders as of March 23, 2026 are Llc Npeh, (TenPercentOwner, 17.73Mn shares), Rivers Capital, Llc 8 (TenPercentOwner, 17.73Mn shares), Daniel J. Iv Rice (Chief Executive Officer, 7.54Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Llc Npeh, | 17,729,880 | 0 | 10 Mar, 2026 | |
| Rivers Capital, Llc 8 | 0 | 17,729,880 | 10 Mar, 2026 | |
| Daniel J. Iv Rice | Chief Executive Officer | 0 | 7,535,000 | 12 Jun, 2023 |
| Kyle Derham | 1,390,348 | 1,676,668 | 30 Jun, 2023 | |
| Brock Forrest | Chief Technology Officer | 0 | 596,917 | 12 Jun, 2023 |
| Brian F. Allen | Coo And President | 568,939 | 0 | 04 Apr, 2025 |
| Carol R. Peterson | 104,381 | 0 | 05 Jun, 2025 | |
| Alejandra Veltmann | 104,381 | 0 | 05 Jun, 2025 | |
| Carrie M Fox | 30,000 | 0 | 12 Jun, 2023 | |
| Jide Famuagun | 30,000 | 0 | 12 Jun, 2023 | |
| Rivers Capital, Llc 8 | 24,723 | 0 | 02 Oct, 2024 | |
| Kelly Rosser | Chief Accounting Officer | 2,531 | 0 | 07 Apr, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 06 Mar, 2026 | Llc Npeh, | Class A Common Stock | A | 3,000,000 | - | 3,400,000 | D | C |
| 06 Mar, 2026 | Rivers Capital, Llc 8 | Class A Common Stock | A | 3,000,000 | - | 3,400,000 | I | C |
| 06 Mar, 2026 | Rivers Capital, Llc 8 | Class B Common Stock | D | 3,000,000 | - | 17,729,880 | I | J |
| 06 Mar, 2026 | Llc Npeh, | Class B Common Stock | D | 3,000,000 | - | 17,729,880 | D | J |
| 03 Mar, 2026 | Llc Npeh, | Class A Common Stock | D | 100,000 | $2.04 | 400,000 | D | S |
| 03 Mar, 2026 | Rivers Capital, Llc 8 | Class A Common Stock | D | 100,000 | $2.04 | 400,000 | I | S |
| 26 Feb, 2026 | Rivers Capital, Llc 8 | Class A Common Stock | D | 1,881 | $2.00 | 584,602 | I | S |
| 26 Feb, 2026 | Llc Npeh, | Class A Common Stock | D | 1,881 | $2.00 | 584,602 | D | S |
| 27 Feb, 2026 | Rivers Capital, Llc 8 | Class A Common Stock | D | 4,744 | $2.00 | 579,858 | I | S |
| 27 Feb, 2026 | Llc Npeh, | Class A Common Stock | D | 4,744 | $2.00 | 579,858 | D | S |
| 02 Mar, 2026 | Llc Npeh, | Class A Common Stock | D | 79,858 | $2.05 | 500,000 | D | S |
| 02 Mar, 2026 | Rivers Capital, Llc 8 | Class A Common Stock | D | 79,858 | $2.05 | 500,000 | I | S |
| 19 Feb, 2026 | Llc Npeh, | Class A Common Stock | D | 125,000 | $2.14 | 650,000 | D | S |
| 19 Feb, 2026 | Rivers Capital, Llc 8 | Class A Common Stock | D | 125,000 | $2.14 | 650,000 | I | S |
| 20 Feb, 2026 | Llc Npeh, | Class A Common Stock | D | 63,517 | $2.03 | 586,483 | D | S |
| 20 Feb, 2026 | Rivers Capital, Llc 8 | Class A Common Stock | D | 63,517 | $2.03 | 586,483 | I | S |
| 13 Feb, 2026 | Llc Npeh, | Class A Common Stock | D | 100,000 | $2.14 | 850,000 | D | S |
| 13 Feb, 2026 | Rivers Capital, Llc 8 | Class A Common Stock | D | 100,000 | $2.14 | 850,000 | I | S |
| 18 Feb, 2026 | Llc Npeh, | Class A Common Stock | D | 75,000 | $2.07 | 775,000 | D | S |
| 18 Feb, 2026 | Rivers Capital, Llc 8 | Class A Common Stock | D | 75,000 | $2.07 | 775,000 | I | S |