NET Power Inc. (ticker: RONI) is a clean energy technology company that entered the public markets through a merger with Rice Acquisition Corp. II, a blank-check vehicle sponsored by Rice Acquisition Holdings II LLC that completed its IPO in 2021. The company is focused on commercializing the Allam-Fetvedt Cycle, a natural gas power generation process engineered to produce zero atmospheric emissions, placing it squarely within the clean power and carbon-capture technology sector. The de-SPAC transaction closed in 2023, and NET Power has since been publicly traded on the New York Stock Exchange. The company filed an 8-K with the SEC on June 5, 2026. Sign up at SpacDesk for full filings, deal history, and sponsor data on RONI and hundreds of other SPAC transactions.