NYSE:NPWR | Insider Transactions — Page 3 | Net Power Inc.

NPWR Insider Transactions — Page 3

300 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 201–300; provenance stays internal.

Insider profileRoleDateTransactionSharesPrice
8 Rivers Capital, LLCTenPercentOwner2025-10-15Sale122,641.0$4.88
Beauchamp CyndaTenPercentOwner2025-10-15Sale122,641.0$4.88
BEAUCHAMP DAMIAN R.TenPercentOwner2025-10-15Sale100,000.0$4.83
8 Rivers Capital, LLCTenPercentOwner2025-10-15Sale100,000.0$4.83
Beauchamp CyndaTenPercentOwner2025-10-15Sale100,000.0$4.83
SK INC.TenPercentOwner2025-07-15Sale2,500,000.0$2.61
Rosser KellyChief Accounting Officer2025-04-03Sale1,127.0$2.25
PATEL AKASH S.Chief Financial Officer2025-04-03Sale7,359.0$2.29
PATEL AKASH S.Chief Financial Officer2024-11-22Sale150,000.0$12.65
NPEH, LLCTenPercentOwner2024-11-22Sale431,009.0$12.76
SK INC.TenPercentOwner2024-11-22Sale431,009.0$12.76
8 Rivers Capital, LLCTenPercentOwner2024-11-22Sale431,009.0$12.76
SK INC.TenPercentOwner2024-11-21Sale509,040.0$12.72
8 Rivers Capital, LLCTenPercentOwner2024-11-21Sale509,040.0$12.72
NPEH, LLCTenPercentOwner2024-11-21Sale509,040.0$12.72
SK INC.TenPercentOwner2024-11-20Sale320,371.0$12.6
8 Rivers Capital, LLCTenPercentOwner2024-11-20Sale320,371.0$12.6
NPEH, LLCTenPercentOwner2024-11-20Sale320,371.0$12.6
NPEH, LLCTenPercentOwner2024-10-17Sale199,369.0$7.33
SK INC.TenPercentOwner2024-10-17Sale199,369.0$7.33
8 Rivers Capital, LLCTenPercentOwner2024-10-17Sale199,369.0$7.33
NPEH, LLCTenPercentOwner2024-10-16Sale517,618.0$7.12
SK INC.TenPercentOwner2024-10-16Sale517,618.0$7.12
8 Rivers Capital, LLCTenPercentOwner2024-10-16Sale517,618.0$7.12
NPEH, LLCTenPercentOwner2024-10-11Sale120,500.0$6.92
SK INC.TenPercentOwner2024-10-11Sale120,500.0$6.92
8 Rivers Capital, LLCTenPercentOwner2024-10-11Sale120,500.0$6.92
NPEH, LLCTenPercentOwner2024-10-09Sale122,591.0$6.95
SK INC.TenPercentOwner2024-10-09Sale122,591.0$6.95
8 Rivers Capital, LLCTenPercentOwner2024-10-09Sale122,591.0$6.95
SK INC.TenPercentOwner2024-10-07Sale54,922.0$7.0
8 Rivers Capital, LLCTenPercentOwner2024-10-07Sale54,922.0$7.0
SK INC.TenPercentOwner2024-10-07Sale8,871.0$7.01
8 Rivers Capital, LLCTenPercentOwner2024-10-07Sale8,871.0$7.01
NPEH, LLCTenPercentOwner2024-10-07Sale54,922.0$7.0
SK INC.TenPercentOwner2024-10-04Sale5,419.0$7.01
8 Rivers Capital, LLCTenPercentOwner2024-10-04Sale5,419.0$7.01
SK INC.TenPercentOwner2024-10-03Sale10,433.0$7.0
8 Rivers Capital, LLCTenPercentOwner2024-10-03Sale10,433.0$7.0
SK INC.TenPercentOwner2024-09-30Sale46,585.0$7.07
8 Rivers Capital, LLCTenPercentOwner2024-09-30Sale46,585.0$7.07
SK INC.TenPercentOwner2024-09-23Sale1,764.0$7.0
8 Rivers Capital, LLCTenPercentOwner2024-09-23Sale1,764.0$7.0
SK INC.TenPercentOwner2024-09-23Sale1,764.0$7.0
8 Rivers Capital, LLCTenPercentOwner2024-09-23Sale1,764.0$7.0
SK INC.TenPercentOwner2024-09-20Sale26,928.0$7.0
8 Rivers Capital, LLCTenPercentOwner2024-09-20Sale26,928.0$7.0
SK INC.TenPercentOwner2024-09-20Sale26,926.0$7.0
8 Rivers Capital, LLCTenPercentOwner2024-09-20Sale26,926.0$7.0
SK INC.TenPercentOwner2024-09-19Sale400,000.0$7.05
8 Rivers Capital, LLCTenPercentOwner2024-09-19Sale400,000.0$7.05
SK INC.TenPercentOwner2024-09-19Sale342,364.0$7.06
8 Rivers Capital, LLCTenPercentOwner2024-09-19Sale342,364.0$7.06
NPEH, LLCTenPercentOwner2024-09-19Sale342,364.0$7.06
SK INC.TenPercentOwner2024-09-18Sale80,122.0$7.02
8 Rivers Capital, LLCTenPercentOwner2024-09-18Sale80,122.0$7.02
NPEH, LLCTenPercentOwner2024-09-18Sale80,122.0$7.02
SK INC.TenPercentOwner2024-09-17Sale144,959.0$7.04
8 Rivers Capital, LLCTenPercentOwner2024-09-17Sale144,959.0$7.04
NPEH, LLCTenPercentOwner2024-09-17Sale144,959.0$7.04
NPEH, LLCTenPercentOwner2024-09-16Sale36,752.0$7.05
SK INC.TenPercentOwner2024-09-16Sale36,752.0$7.05
8 Rivers Capital, LLCTenPercentOwner2024-09-16Sale36,752.0$7.05
NPEH, LLCTenPercentOwner2024-09-13Sale1,340.0$7.26
SK INC.TenPercentOwner2024-09-13Sale1,340.0$7.26
8 Rivers Capital, LLCTenPercentOwner2024-09-13Sale1,340.0$7.26
NPEH, LLCTenPercentOwner2024-09-12Sale2,315.0$7.26
SK INC.TenPercentOwner2024-09-12Sale2,315.0$7.26
8 Rivers Capital, LLCTenPercentOwner2024-09-12Sale2,315.0$7.26
NPEH, LLCTenPercentOwner2024-09-11Sale21,155.0$7.28
SK INC.TenPercentOwner2024-09-11Sale21,155.0$7.28
8 Rivers Capital, LLCTenPercentOwner2024-09-11Sale21,155.0$7.28
NPEH, LLCTenPercentOwner2024-09-10Sale300.0$7.31
SK INC.TenPercentOwner2024-09-10Sale300.0$7.31
8 Rivers Capital, LLCTenPercentOwner2024-09-10Sale300.0$7.31
NPEH, LLCTenPercentOwner2024-09-09Sale60,022.0$7.6
SK INC.TenPercentOwner2024-09-09Sale60,022.0$7.6
8 Rivers Capital, LLCTenPercentOwner2024-09-09Sale60,022.0$7.6
NPEH, LLCTenPercentOwner2024-09-06Sale66,825.0$7.88
SK INC.TenPercentOwner2024-09-06Sale66,825.0$7.88
8 Rivers Capital, LLCTenPercentOwner2024-09-06Sale66,825.0$7.88
NPEH, LLCTenPercentOwner2024-09-05Sale160,521.0$7.94
SK INC.TenPercentOwner2024-09-05Sale160,521.0$7.94
8 Rivers Capital, LLCTenPercentOwner2024-09-05Sale160,521.0$7.94
NPEH, LLCTenPercentOwner2024-09-04Sale83,325.0$8.1
SK INC.TenPercentOwner2024-09-04Sale83,325.0$8.1
8 Rivers Capital, LLCTenPercentOwner2024-09-04Sale83,325.0$8.1
SK INC.TenPercentOwner2024-05-23Sale2,500,000.0$10.04
MAHON JAMESGeneral Counsel and Secretary2023-09-13Sale26,126.0$15.12
MAHON JAMESGeneral Counsel and Secretary2023-09-12Sale5,268.0$15.04
MAHON JAMESGeneral Counsel and Secretary2023-09-11Sale20,000.0$15.11
MAHON JAMESGeneral Counsel and Secretary2023-09-08Sale20,000.0$15.71
MAHON JAMESGeneral Counsel and Secretary2023-09-07Sale20,000.0$15.21
MAHON JAMESGeneral Counsel and Secretary2023-09-06Sale8,606.0$15.25
HEFFINGER BRANDONChief Commercial Officer2023-09-01Sale34,858.0$14.19
HEFFINGER BRANDONChief Commercial Officer2023-08-31Sale39,000.0$13.93
HEFFINGER BRANDONChief Commercial Officer2023-08-30Sale76,142.0$14.31
HEFFINGER BRANDONChief Commercial Officer2023-08-21Sale27,771.0$15.19
HEFFINGER BRANDONChief Commercial Officer2023-08-18Sale67,285.0$15.39
HEFFINGER BRANDONChief Commercial Officer2023-08-17Sale54,944.0$14.8