NET Power Inc. (NPWR) Insider Ownership

Historic Insider Ownership Trends

NPWR's three largest insider shareholders as of April 22, 2026 are Llc Npeh, (TenPercentOwner, 17.73Mn shares), Rivers Capital, Llc 8 (TenPercentOwner, 17.73Mn shares), Kyle Derham (Director, 7.54Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Rivers Capital, Llc 8 - 0 17,729,880 10 Mar, 2026
Llc Npeh, - 17,729,880 0 10 Mar, 2026
Kyle Derham - 0 7,535,000 12 Jun, 2023
Llc Npeh, - 3,400,000 0 10 Mar, 2026
Rivers Capital, Llc 8 - 0 3,400,000 10 Mar, 2026
Kyle Derham - 1,390,348 1,676,668 30 Jun, 2023
Cynda Beauchamp - 0 1,847,130 04 Nov, 2025
Akash S. Patel Chief Financial Officer 640,448 0 26 Nov, 2024
Brock Forrest Chief Technology Officer 0 596,917 12 Jun, 2023
James Mahon General Counsel And Secretary 593,028 0 31 Aug, 2023
Brian F. Allen Coo And President 568,939 0 04 Apr, 2025
Brian F. Allen President And Coo 568,090 0 12 Jun, 2023
Kyle Derham - 502,500 2,500 12 Jun, 2023
Akash S. Patel Chief Financial Officer 457,790 0 04 Apr, 2025
Brandon Heffinger Chief Commercial Officer 214,559 0 30 Aug, 2023
Ralph Alexander - 104,381 0 03 Jun, 2025
Carol R. Peterson - 104,381 0 05 Jun, 2025
Alejandra Veltmann - 104,381 0 05 Jun, 2025
Joseph T Kelliher - 104,381 0 05 Jun, 2025
Kelly Rosser Chief Accounting Officer 71,567 0 07 Apr, 2025
Joseph T Kelliher - 30,103 0 11 Apr, 2025
Jide Famuagun - 30,000 0 12 Jun, 2023
Carrie M Fox - 30,000 0 12 Jun, 2023
James H Lytal - 30,000 0 12 Jun, 2023
Rivers Capital, Llc 8 - 24,723 0 02 Oct, 2024
Ralph Alexander - 21,444 0 05 Sep, 2023
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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
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 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
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 Rivers Capital, Llc 8 Class A Common Stock D 1,881 $2.00 584,602 I S
27 Feb, 2026 Llc Npeh, Class A Common Stock D 4,744 $2.00 579,858 D S
27 Feb, 2026 Rivers Capital, Llc 8 Class A Common Stock D 4,744 $2.00 579,858 I S
02 Mar, 2026 Rivers Capital, Llc 8 Class A Common Stock D 79,858 $2.05 500,000 I S
02 Mar, 2026 Llc Npeh, Class A Common Stock D 79,858 $2.05 500,000 D S
19 Feb, 2026 Rivers Capital, Llc 8 Class A Common Stock D 125,000 $2.14 650,000 I S
19 Feb, 2026 Llc Npeh, Class A Common Stock D 125,000 $2.14 650,000 D S
20 Feb, 2026 Rivers Capital, Llc 8 Class A Common Stock D 63,517 $2.03 586,483 I S
20 Feb, 2026 Llc Npeh, Class A Common Stock D 63,517 $2.03 586,483 D S
13 Feb, 2026 Rivers Capital, Llc 8 Class A Common Stock D 100,000 $2.14 850,000 I S
13 Feb, 2026 Llc Npeh, Class A Common Stock D 100,000 $2.14 850,000 D 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