As of June 02, 2026, NET Power's top three insider holders 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 |
|---|---|---|---|---|
| James H Lytal | - | 30,000 | 0 | 12 Jun, 2023 |
| Ralph Alexander | - | 104,381 | 0 | 03 Jun, 2025 |
| Joseph T Kelliher | - | 104,381 | 0 | 05 Jun, 2025 |
| Alejandra Veltmann | - | 104,381 | 0 | 05 Jun, 2025 |
| Daniel J. Iv Rice | Chief Executive Officer | 0 | 7,535,000 | 12 Jun, 2023 |
| Kelly Rosser | Chief Accounting Officer | 71,567 | 0 | 07 Apr, 2025 |
| Kyle Derham | - | 0 | 7,535,000 | 12 Jun, 2023 |
| Carrie M Fox | - | 30,000 | 0 | 12 Jun, 2023 |
| Jide Famuagun | - | 30,000 | 0 | 12 Jun, 2023 |
| Carol R. Peterson | - | 104,381 | 0 | 05 Jun, 2025 |
| Brian F. Allen | Coo And President | 568,939 | 0 | 04 Apr, 2025 |
| James Mahon | General Counsel And Secretary | 593,028 | 0 | 31 Aug, 2023 |
| Brandon Heffinger | Chief Commercial Officer | 214,559 | 0 | 30 Aug, 2023 |
| Akash S. Patel | Chief Financial Officer | 640,448 | 0 | 26 Nov, 2024 |
| Brock Forrest | Chief Technology Officer | 0 | 596,917 | 12 Jun, 2023 |
| Rivers Capital, Llc 8 | - | 0 | 17,729,880 | 10 Mar, 2026 |
| Llc Npeh, | - | 17,729,880 | 0 | 10 Mar, 2026 |
| Cynda Beauchamp | - | 0 | 1,847,130 | 04 Nov, 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 | Llc Npeh, | Class A Common Stock | A | 3,000,000 | - | 3,400,000 | D | C |
| 06 Mar, 2026 | Llc Npeh, | Class B Common Stock | D | 3,000,000 | - | 17,729,880 | D | J |
| 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 |
| 03 Mar, 2026 | Llc Npeh, | Class A Common Stock | D | 100,000 | $2.04 | 400,000 | D | S |
| 26 Feb, 2026 | Llc Npeh, | Class A Common Stock | D | 1,881 | $2.00 | 584,602 | D | S |
| 26 Feb, 2026 | Llc Npeh, | Class A Common Stock | D | 1,881 | $2.00 | 584,602 | D | S |
| 26 Feb, 2026 | Rivers Capital, Llc 8 | Class A Common Stock | D | 1,881 | $2.00 | 584,602 | I | 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 |
| 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 | 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 | Llc Npeh, | Class A Common Stock | D | 125,000 | $2.14 | 650,000 | D | S |