NET Power Inc.

SIC Electrical Industrial Apparatus
Headquarters Durham, NC
Financials
FORMNAMEDATE FILED
10-KFY 20253/9/202610-QQ311/13/202510-QQ28/11/202510-QQ15/12/2025ARSAnnual Report to Security Holders4/24/202510-KFY 20243/10/202510-QQ311/12/2024
Prospectuses and Registrations
FORMNAMEDATE FILED
S-3Registration statement under Securities Act of 193311/15/2024424B3Prospectus7/8/2024POS AMPost-Effective amendments for registration statement7/1/2024424B3Prospectus5/24/2024POS AMPost-Effective amendments for registration statement5/17/2024424B3Prospectus5/13/2024424B3Prospectus4/29/2024
Proxies
FORMNAMEDATE FILED
DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) material4/24/2025DEF 14AOther definitive proxy statements4/24/2025DEF 14AOther definitive proxy statements4/26/2024
News
FORMNAMEDATE FILED
8-KResults of Operations and Financial Condition3/9/20268-KRegulation FD Disclosure1/5/20268-KResults of Operations and Financial Condition11/13/20258-KResults of Operations and Financial Condition8/11/20258-KDeparture of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers7/15/20258-KTermination of a Material Definitive Agreement6/20/20258-KSubmission of Matters to a Vote of Security Holders6/6/2025
Ownership
FORMNAMEDATE FILED
48 Rivers Capital, LLC3/10/20264Npeh, Llc3/10/20264Npeh, Llc3/5/202648 Rivers Capital, LLC3/5/20264Npeh, Llc3/2/202648 Rivers Capital, LLC3/2/20264Npeh, Llc2/23/2026
Others
FORMNAMEDATE FILED
SCHEDULE 13D/A1/28/2026SCHEDULE 13D/A12/9/2025SCHEDULE 13D/A11/4/2025SCHEDULE 13D/A10/29/2025SCHEDULE 13D/A8/1/2025SCHEDULE 13D/A7/17/2025EFFECTNotice of Effectiveness11/21/2024