{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-23-043654","form_type":"8-K","ticker":"NPWR","cik":"0001845437","company_name":"NET Power Inc.","filed_at":"2023-05-30T23:59:59+00:00","discovered_at":"2026-05-14T18:03:41.177919+00:00","generated_at":"2026-06-14T11:56:06.616741+00:00","sec_items":["1.01","3.02"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Rice Acquisition Corp II raises additional $15M PIPE for NET Power deal","bullets":["Entered into subscription agreements on May 25, 2023 to issue 1.5M shares of Class A common stock for $15M.","New PIPE investors join existing commitments totaling ~$540M from prior subscriptions.","Shares issued unregistered under Section 4(a)(2) and Regulation D.","Financing is contingent on closing of the proposed business combination with NET Power."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-23-043654","json":"https://secwatch.observer/filing/0001213900-23-043654.json","markdown":"https://secwatch.observer/filing/0001213900-23-043654.md","text":"https://secwatch.observer/filing/0001213900-23-043654.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1845437/000121390023043654/0001213900-23-043654-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1845437/000121390023043654/ea179361-8k425_riceacq2.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-14T11:56:06.616741+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"03ddb34170ec2fe2cfb004228bab9c52c06a062e","claim":"NET Power Inc. entered into May 25, 2023 Subscription Agreements with May 25, 2023 PIPE Investors valued at $15,000,000 (effective 2023-05-25).","evidence_excerpt":"On May 25, 2023, RONI entered into subscription agreements (the “May 25, 2023 Subscription Agreements”) with certain investors (the “May 25, 2023 PIPE Investors”) pursuant to which, among other things, the May 25, 2023 PIPE Investors agreed to subscribe for and purchase, and RONI agreed to issue and sell to the May 25, 2023 PIPE Investors, an aggregate of 1,500,000 shares of Class A Common Stock for an aggregate purchase price of $15.0 million, on the terms and subject to the conditions set forth therein.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1845437/000121390023043654/0001213900-23-043654-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"equity purchase"},{"label":"Counterparty","value":"May 25, 2023 PIPE Investors"},{"label":"Value","value":"$15,000,000"},{"label":"Effective","value":"2023-05-25"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}