Net Power Inc.

NPWR·NYSE·$2.05Share Price as of 11/2·$174MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/13/26 10-QQ1 ended 03/31/2605/11/26 10-KFY 202503/09/26 10-QQ3 ended 09/30/2511/13/25 10-QQ2 ended 06/30/2508/11/25

Disclosures

8-KCurrent report10/22/26 8-KCurrent report09/11/26 8-KCurrent report09/03/26 8-KCurrent report08/13/26 8-KCurrent report06/05/26

Prospectuses and Registrations

S-3Shelf registration11/15/24 424B3Prospectus07/08/24 POS AMPost-effective amendment07/01/24 424B3Prospectus05/24/24 POS AMPost-effective amendment05/17/24

Proxies

DEF 14ADefinitive proxy04/23/26 DEFA14AAdditional proxy materials04/23/26 DEF 14ADefinitive proxy04/24/25 DEFA14AAdditional proxy materials04/24/25 DEF 14ADefinitive proxy04/26/24

Ownership

Form 4Insider transaction10/08/26 Form 4Insider transaction09/10/26 Form 4Insider transaction09/10/26 Form 4Insider transaction08/31/26 Form 4Insider transaction08/31/26

Other

ARSAnnual report to shareholders04/23/26 ARSAnnual report to shareholders04/24/25 EFFECTRequest for effectiveness11/21/24 CORRESPCorrespondence with the SEC11/19/24 UPLOADLetter from the SEC11/19/24