{"transactions":[{"id":4615090,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-09-10T22:01:14.000Z","date":"2026-09-09","kind":"sale","planned":false,"acquired":false,"shares":150000,"price":1.8405,"value":276075.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.77 to $1.885. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":750000,"source":{"system":"sec-edgar","filing":"0001104659-26-106788","document":"tm2625212-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1981100/000110465926106788/tm2625212-2_4seq1.xml","form_type":"4"}},{"id":4615089,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-09-10T22:01:14.000Z","date":"2026-09-08","kind":"sale","planned":false,"acquired":false,"shares":100000,"price":1.9352,"value":193520.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.87 to $2.00. NPEH, LLC (\"NPEH\"), will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":900000,"source":{"system":"sec-edgar","filing":"0001104659-26-106788","document":"tm2625212-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1981100/000110465926106788/tm2625212-2_4seq1.xml","form_type":"4"}},{"id":673475,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-27T22:00:13.000Z","date":"2026-08-26","kind":"sale","planned":false,"acquired":false,"shares":41350,"price":1.9124,"value":79077.74,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.82 to $1.985. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1000000,"source":{"system":"sec-edgar","filing":"0001104659-26-102532","document":"tm2624229-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926102532/tm2624229-1_4seq1.xml","form_type":"4"}},{"id":673474,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-27T22:00:13.000Z","date":"2026-08-25","kind":"sale","planned":false,"acquired":false,"shares":201550,"price":1.9065,"value":384255.075,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.84 to $2.0091. NPEH, LLC (\"NPEH\"), will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1041350,"source":{"system":"sec-edgar","filing":"0001104659-26-102532","document":"tm2624229-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926102532/tm2624229-1_4seq1.xml","form_type":"4"}},{"id":686409,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-14T22:00:09.000Z","date":"2026-08-14","kind":"sale","planned":false,"acquired":false,"shares":507100,"price":1.9533,"value":990518.43,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.85 to $2.06. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1242900,"source":{"system":"sec-edgar","filing":"0001104659-26-097369","document":"tm2623246-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926097369/tm2623246-1_4seq1.xml","form_type":"4"}},{"id":686408,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-14T22:00:09.000Z","date":"2026-08-13","kind":"sale","planned":false,"acquired":false,"shares":200000,"price":1.6192,"value":323840.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.585 to $1.65. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1750000,"source":{"system":"sec-edgar","filing":"0001104659-26-097369","document":"tm2623246-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926097369/tm2623246-1_4seq1.xml","form_type":"4"}},{"id":686407,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-14T22:00:09.000Z","date":"2026-08-12","kind":"sale","planned":false,"acquired":false,"shares":50000,"price":1.6315,"value":81575.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.62 to $1.665. NPEH, LLC (\"NPEH\"), will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1950000,"source":{"system":"sec-edgar","filing":"0001104659-26-097369","document":"tm2623246-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926097369/tm2623246-1_4seq1.xml","form_type":"4"}},{"id":690227,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-11T22:00:10.000Z","date":"2026-08-11","kind":"sale","planned":false,"acquired":false,"shares":35000,"price":1.5997,"value":55989.5,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.54 to $1.625. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2000000,"source":{"system":"sec-edgar","filing":"0001104659-26-094206","document":"tm2622855-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926094206/tm2622855-1_4seq1.xml","form_type":"4"}},{"id":690226,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-11T22:00:10.000Z","date":"2026-08-10","kind":"sale","planned":false,"acquired":false,"shares":55400,"price":1.5537,"value":86074.98,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.525 to $1.57. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2035000,"source":{"system":"sec-edgar","filing":"0001104659-26-094206","document":"tm2622855-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926094206/tm2622855-1_4seq1.xml","form_type":"4"}},{"id":690225,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-11T22:00:10.000Z","date":"2026-08-07","kind":"sale","planned":false,"acquired":false,"shares":60345,"price":1.5259,"value":92080.4355,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.50 to $1.55. NPEH, LLC (\"NPEH\"), will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2090400,"source":{"system":"sec-edgar","filing":"0001104659-26-094206","document":"tm2622855-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926094206/tm2622855-1_4seq1.xml","form_type":"4"}},{"id":693823,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-06T22:02:07.000Z","date":"2026-08-06","kind":"sale","planned":false,"acquired":false,"shares":89255,"price":1.5062,"value":134435.881,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.50 to $1.52. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2150745,"source":{"system":"sec-edgar","filing":"0001104659-26-092165","document":"tm2622440-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926092165/tm2622440-2_4seq1.xml","form_type":"4"}},{"id":693822,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-06T22:02:07.000Z","date":"2026-08-05","kind":"sale","planned":false,"acquired":false,"shares":140000,"price":1.5104,"value":211456.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.50 to $1.55. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2240000,"source":{"system":"sec-edgar","filing":"0001104659-26-092165","document":"tm2622440-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926092165/tm2622440-2_4seq1.xml","form_type":"4"}},{"id":693821,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-08-06T22:02:07.000Z","date":"2026-08-04","kind":"sale","planned":false,"acquired":false,"shares":120000,"price":1.5394,"value":184728.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.50 to $1.55. NPEH, LLC (\"NPEH\"), will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2380000,"source":{"system":"sec-edgar","filing":"0001104659-26-092165","document":"tm2622440-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926092165/tm2622440-2_4seq1.xml","form_type":"4"}},{"id":700448,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-07-30T22:00:16.000Z","date":"2026-07-30","kind":"sale","planned":false,"acquired":false,"shares":155000,"price":1.4284,"value":221402.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.40 to $1.47. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2500000,"source":{"system":"sec-edgar","filing":"0001104659-26-088827","document":"tm2621696-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926088827/tm2621696-1_4seq1.xml","form_type":"4"}},{"id":700447,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-07-30T22:00:16.000Z","date":"2026-07-29","kind":"sale","planned":false,"acquired":false,"shares":45000,"price":1.4073,"value":63328.5,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.40 to $1.41. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2655000,"source":{"system":"sec-edgar","filing":"0001104659-26-088827","document":"tm2621696-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926088827/tm2621696-1_4seq1.xml","form_type":"4"}},{"id":700446,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-07-30T22:00:16.000Z","date":"2026-07-28","kind":"sale","planned":false,"acquired":false,"shares":55858,"price":1.4721,"value":82228.5618,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.415 to $1.495. NPEH, LLC (\"NPEH\"), will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2700000,"source":{"system":"sec-edgar","filing":"0001104659-26-088827","document":"tm2621696-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926088827/tm2621696-1_4seq1.xml","form_type":"4"}},{"id":703878,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-07-23T23:40:22.000Z","date":"2026-07-23","kind":"sale","planned":false,"acquired":false,"shares":39142,"price":1.5066,"value":58971.3372,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.50 to $1.52. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2755858,"source":{"system":"sec-edgar","filing":"0001104659-26-086400","document":"tm2621201-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926086400/tm2621201-2_4seq1.xml","form_type":"4"}},{"id":703877,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-07-23T23:40:22.000Z","date":"2026-07-22","kind":"sale","planned":false,"acquired":false,"shares":90000,"price":1.5258,"value":137322.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.50 to $1.56. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2795000,"source":{"system":"sec-edgar","filing":"0001104659-26-086400","document":"tm2621201-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926086400/tm2621201-2_4seq1.xml","form_type":"4"}},{"id":703876,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-07-23T23:40:22.000Z","date":"2026-07-21","kind":"sale","planned":false,"acquired":false,"shares":80000,"price":1.53,"value":122400.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $1.50 to $1.555. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2885000,"source":{"system":"sec-edgar","filing":"0001104659-26-086400","document":"tm2621201-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926086400/tm2621201-2_4seq1.xml","form_type":"4"}},{"id":778549,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-05-14T22:00:17.000Z","date":"2026-05-13","kind":"sale","planned":false,"acquired":false,"shares":35000,"price":2.4329,"value":85151.5,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.405 to $2.46. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2965000,"source":{"system":"sec-edgar","filing":"0001104659-26-061386","document":"tm2614586-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926061386/tm2614586-1_4seq1.xml","form_type":"4"}},{"id":778548,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-05-14T22:00:17.000Z","date":"2026-05-12","kind":"sale","planned":false,"acquired":false,"shares":400000,"price":2.4389,"value":975560.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.35 to $2.51. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.70% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":3000000,"source":{"system":"sec-edgar","filing":"0001104659-26-061386","document":"tm2614586-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926061386/tm2614586-1_4seq1.xml","form_type":"4"}},{"id":780267,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Units of NET Power Operations LLC","published_at":"2026-05-13T20:22:18.000Z","date":"2026-03-06","kind":"exercise","planned":false,"acquired":false,"shares":3000000,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On March 6, 2026, NPEH exchanged 3,000,000 Class A Units of NET Power Operations LLC for 3,000,000 shares of the Issuer's Class A Common Stock."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"This amendment is being filed to correct an administrative error in the Form 4 filed on March 10, 2026 (the \"Original Form 4\") and report the 3,000,000 Class A Units of NET Power Operations LLC that were converted into an equal number of shares of the Issuer's Class A Common Stock as being disposed of by the Reporting Person. The Original Form 4 inadvertently omitted such Class A Units from Table II."},{"field":"date","element":"transactionDate","label":"F5","text":"This amendment is being filed to correct an administrative error in the Form 4 filed on March 10, 2026 (the \"Original Form 4\") and report the 3,000,000 Class A Units of NET Power Operations LLC that were converted into an equal number of shares of the Issuer's Class A Common Stock as being disposed of by the Reporting Person. The Original Form 4 inadvertently omitted such Class A Units from Table II."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On March 6, 2026, NPEH exchanged 3,000,000 Class A Units of NET Power Operations LLC for 3,000,000 shares of the Issuer's Class A Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This amendment is being filed to correct an administrative error in the Form 4 filed on March 10, 2026 (the \"Original Form 4\") and report the 3,000,000 Class A Units of NET Power Operations LLC that were converted into an equal number of shares of the Issuer's Class A Common Stock as being disposed of by the Reporting Person. The Original Form 4 inadvertently omitted such Class A Units from Table II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On March 6, 2026, NPEH exchanged 3,000,000 Class A Units of NET Power Operations LLC for 3,000,000 shares of the Issuer's Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"This amendment is being filed to correct an administrative error in the Form 4 filed on March 10, 2026 (the \"Original Form 4\") and report the 3,000,000 Class A Units of NET Power Operations LLC that were converted into an equal number of shares of the Issuer's Class A Common Stock as being disposed of by the Reporting Person. The Original Form 4 inadvertently omitted such Class A Units from Table II."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On March 6, 2026, NPEH exchanged 3,000,000 Class A Units of NET Power Operations LLC for 3,000,000 shares of the Issuer's Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"This amendment is being filed to correct an administrative error in the Form 4 filed on March 10, 2026 (the \"Original Form 4\") and report the 3,000,000 Class A Units of NET Power Operations LLC that were converted into an equal number of shares of the Issuer's Class A Common Stock as being disposed of by the Reporting Person. The Original Form 4 inadvertently omitted such Class A Units from Table II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":17729880,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3000000},"source":{"system":"sec-edgar","filing":"0001104659-26-060272","document":"tm2614507-1_4aseq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926060272/tm2614507-1_4aseq1.xml","form_type":"4/A","original_submission_date":"2026-03-10"}},{"id":780266,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2026-05-13T20:22:18.000Z","date":"2026-03-06","kind":"other","planned":false,"acquired":false,"shares":3000000,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"For each Class A Unit of Net Power Operations LLC, NPEH owns a corresponding share of Class B Common Stock of the Issuer. Upon the exchange of 3,000,000 Class A Units of Net Power Operations LLC, an equal number of shares of Class B Common Stock of the Issuer held by NPEH, which have no economic value, were cancelled."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":17729880,"source":{"system":"sec-edgar","filing":"0001104659-26-060272","document":"tm2614507-1_4aseq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926060272/tm2614507-1_4aseq1.xml","form_type":"4/A","original_submission_date":"2026-03-10"}},{"id":780265,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-05-13T20:22:18.000Z","date":"2026-03-06","kind":"exercise","planned":false,"acquired":true,"shares":3000000,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On March 6, 2026, NPEH exchanged 3,000,000 Class A Units of NET Power Operations LLC for 3,000,000 shares of the Issuer's Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":3400000,"source":{"system":"sec-edgar","filing":"0001104659-26-060272","document":"tm2614507-1_4aseq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926060272/tm2614507-1_4aseq1.xml","form_type":"4/A","original_submission_date":"2026-03-10"}},{"id":850104,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2026-03-10T22:02:02.000Z","date":"2026-03-06","kind":"other","planned":false,"acquired":false,"shares":3000000,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"For each Class A Unit of Net Power Operations LLC, NPEH owns a corresponding share of Class B Common Stock of the Issuer. Upon the exchange of 3,000,000 Class A Units of Net Power Operations LLC, an equal number of shares of Class B Common Stock of the Issuer held by NPEH, which have no economic value, were cancelled."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":17729880,"source":{"system":"sec-edgar","filing":"0001104659-26-025970","document":"tm268392-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926025970/tm268392-2_4seq1.xml","form_type":"4"}},{"id":850103,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-03-10T22:02:02.000Z","date":"2026-03-06","kind":"exercise","planned":false,"acquired":true,"shares":3000000,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On March 6, 2026, NPEH exchanged 3,000,000 Class A Units of NET Power Operations LLC for 3,000,000 shares of the Issuer's Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":3400000,"source":{"system":"sec-edgar","filing":"0001104659-26-025970","document":"tm268392-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926025970/tm268392-2_4seq1.xml","form_type":"4"}},{"id":857662,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-03-05T23:15:41.000Z","date":"2026-03-03","kind":"sale","planned":false,"acquired":false,"shares":100000,"price":2.0425,"value":204250.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.01 to $2.015. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":400000,"source":{"system":"sec-edgar","filing":"0001104659-26-024241","document":"tm268112-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926024241/tm268112-1_4seq1.xml","form_type":"4"}},{"id":873331,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-03-02T23:00:34.000Z","date":"2026-03-02","kind":"sale","planned":false,"acquired":false,"shares":79858,"price":2.0508,"value":163772.7864,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.00 to $2.10. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":500000,"source":{"system":"sec-edgar","filing":"0001104659-26-022377","document":"tm267758-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926022377/tm267758-1_4seq1.xml","form_type":"4"}},{"id":873330,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-03-02T23:00:34.000Z","date":"2026-02-27","kind":"sale","planned":false,"acquired":false,"shares":4744,"price":2.0003,"value":9489.4232,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.00 to $2.005. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":579858,"source":{"system":"sec-edgar","filing":"0001104659-26-022377","document":"tm267758-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926022377/tm267758-1_4seq1.xml","form_type":"4"}},{"id":873329,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-03-02T23:00:34.000Z","date":"2026-02-26","kind":"sale","planned":false,"acquired":false,"shares":1881,"price":2,"value":3762.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at a price of $2.00. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":584602,"source":{"system":"sec-edgar","filing":"0001104659-26-022377","document":"tm267758-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926022377/tm267758-1_4seq1.xml","form_type":"4"}},{"id":887414,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-02-23T23:00:25.000Z","date":"2026-02-20","kind":"sale","planned":false,"acquired":false,"shares":63517,"price":2.0346,"value":129231.6882,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.00 to $2.1175. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":586483,"source":{"system":"sec-edgar","filing":"0001104659-26-018702","document":"tm267082-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926018702/tm267082-1_4seq1.xml","form_type":"4"}},{"id":887413,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-02-23T23:00:25.000Z","date":"2026-02-19","kind":"sale","planned":false,"acquired":false,"shares":125000,"price":2.1411,"value":267637.5,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.10 to $2.17. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":650000,"source":{"system":"sec-edgar","filing":"0001104659-26-018702","document":"tm267082-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926018702/tm267082-1_4seq1.xml","form_type":"4"}},{"id":895493,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-02-18T23:44:52.000Z","date":"2026-02-18","kind":"sale","planned":false,"acquired":false,"shares":75000,"price":2.0692,"value":155190.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.045 to $2.115. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":775000,"source":{"system":"sec-edgar","filing":"0001104659-26-017183","document":"tm266743-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926017183/tm266743-2_4seq1.xml","form_type":"4"}},{"id":895492,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-02-18T23:44:52.000Z","date":"2026-02-13","kind":"sale","planned":false,"acquired":false,"shares":100000,"price":2.1414,"value":214140.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.10 to $2.215. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":850000,"source":{"system":"sec-edgar","filing":"0001104659-26-017183","document":"tm266743-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926017183/tm266743-2_4seq1.xml","form_type":"4"}},{"id":907042,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-02-12T23:25:08.000Z","date":"2026-02-12","kind":"sale","planned":false,"acquired":false,"shares":150000,"price":2.0307,"value":304605.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.00 to $2.07. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":950000,"source":{"system":"sec-edgar","filing":"0001104659-26-014480","document":"tm266219-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926014480/tm266219-2_4seq1.xml","form_type":"4"}},{"id":907041,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-02-12T23:25:08.000Z","date":"2026-02-11","kind":"sale","planned":false,"acquired":false,"shares":60000,"price":2.0225,"value":121350.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.00 to $2.05. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1100000,"source":{"system":"sec-edgar","filing":"0001104659-26-014480","document":"tm266219-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926014480/tm266219-2_4seq1.xml","form_type":"4"}},{"id":907040,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-02-12T23:25:08.000Z","date":"2026-02-10","kind":"sale","planned":false,"acquired":false,"shares":40000,"price":2.0803,"value":83212.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.03 to $2.115. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 63.72% of 8 Rivers, and Mr. Beauchamp directly owns approximately 3.83% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1160000,"source":{"system":"sec-edgar","filing":"0001104659-26-014480","document":"tm266219-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926014480/tm266219-2_4seq1.xml","form_type":"4"}},{"id":924384,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-02-02T22:08:53.000Z","date":"2026-01-29","kind":"sale","planned":false,"acquired":false,"shares":54780,"price":2.3485,"value":128650.83,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.27 to $2.42. NPEH, LLC (\"NPEH\"), will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\"), may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.3% of 8 Rivers, and Mr. Beauchamp directly owns approximately 0.86% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1200000,"source":{"system":"sec-edgar","filing":"0001104659-26-009305","document":"tm264813-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926009305/tm264813-1_4seq1.xml","form_type":"4"}},{"id":928636,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-01-28T23:00:56.000Z","date":"2026-01-28","kind":"sale","planned":false,"acquired":false,"shares":65220,"price":2.383,"value":155419.26,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.35 to $2.42. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1254780,"source":{"system":"sec-edgar","filing":"0001104659-26-007528","document":"tm264286-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926007528/tm264286-2_4seq1.xml","form_type":"4"}},{"id":928635,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-01-28T23:00:56.000Z","date":"2026-01-27","kind":"sale","planned":false,"acquired":false,"shares":100000,"price":2.3837,"value":238370.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.35 to $2.41. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1320000,"source":{"system":"sec-edgar","filing":"0001104659-26-007528","document":"tm264286-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926007528/tm264286-2_4seq1.xml","form_type":"4"}},{"id":928634,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-01-28T23:00:56.000Z","date":"2026-01-26","kind":"sale","planned":false,"acquired":false,"shares":130000,"price":2.3549,"value":306137.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.345 to $2.385. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1420000,"source":{"system":"sec-edgar","filing":"0001104659-26-007528","document":"tm264286-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926007528/tm264286-2_4seq1.xml","form_type":"4"}},{"id":936679,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-01-17T00:20:31.000Z","date":"2026-01-16","kind":"sale","planned":false,"acquired":false,"shares":230000,"price":2.6325,"value":605475.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.535 to $2.705. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1550000,"source":{"system":"sec-edgar","filing":"0001104659-26-004650","document":"tm263412-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926004650/tm263412-2_4seq1.xml","form_type":"4"}},{"id":936678,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-01-17T00:20:31.000Z","date":"2026-01-15","kind":"sale","planned":false,"acquired":false,"shares":135000,"price":2.5718,"value":347193.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.50 to $2.77. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1780000,"source":{"system":"sec-edgar","filing":"0001104659-26-004650","document":"tm263412-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926004650/tm263412-2_4seq1.xml","form_type":"4"}},{"id":936677,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-01-17T00:20:31.000Z","date":"2026-01-14","kind":"sale","planned":false,"acquired":false,"shares":135000,"price":2.7379,"value":369616.5,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.725 to $2.755. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1915000,"source":{"system":"sec-edgar","filing":"0001104659-26-004650","document":"tm263412-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926004650/tm263412-2_4seq1.xml","form_type":"4"}},{"id":957812,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-12-30T00:48:27.000Z","date":"2025-12-24","kind":"sale","planned":false,"acquired":false,"shares":170000,"price":2.2096,"value":375632.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.18 to $2.27. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2050000,"source":{"system":"sec-edgar","filing":"0001104659-25-124957","document":"tm2534477-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925124957/tm2534477-1_4seq1.xml","form_type":"4"}},{"id":959199,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-12-23T22:18:28.000Z","date":"2025-12-23","kind":"sale","planned":false,"acquired":false,"shares":130000,"price":2.1666,"value":281658.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.13 to $2.235. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2220000,"source":{"system":"sec-edgar","filing":"0001104659-25-124300","document":"tm2534242-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925124300/tm2534242-1_4seq1.xml","form_type":"4"}},{"id":959198,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-12-23T22:18:28.000Z","date":"2025-12-22","kind":"sale","planned":false,"acquired":false,"shares":100000,"price":2.2646,"value":226460.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.21 to $2.35. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2350000,"source":{"system":"sec-edgar","filing":"0001104659-25-124300","document":"tm2534242-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925124300/tm2534242-1_4seq1.xml","form_type":"4"}},{"id":959197,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-12-23T22:18:28.000Z","date":"2025-12-19","kind":"sale","planned":false,"acquired":false,"shares":100000,"price":2.3431,"value":234310.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.305 to $2.425. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2450000,"source":{"system":"sec-edgar","filing":"0001104659-25-124300","document":"tm2534242-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925124300/tm2534242-1_4seq1.xml","form_type":"4"}},{"id":972352,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-12-11T23:00:20.000Z","date":"2025-12-09","kind":"sale","planned":false,"acquired":false,"shares":40000,"price":2.8235,"value":112940.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.80 to $2.855. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2550000,"source":{"system":"sec-edgar","filing":"0001104659-25-120366","document":"tm2533285-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925120366/tm2533285-1_4seq1.xml","form_type":"4"}},{"id":977243,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-12-08T22:14:34.000Z","date":"2025-12-08","kind":"sale","planned":false,"acquired":false,"shares":140000,"price":2.8091,"value":393274.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.75 to $2.87. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2590000,"source":{"system":"sec-edgar","filing":"0001104659-25-119359","document":"tm2532961-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925119359/tm2532961-1_4seq1.xml","form_type":"4"}},{"id":977242,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-12-08T22:14:34.000Z","date":"2025-12-05","kind":"sale","planned":false,"acquired":false,"shares":105000,"price":2.9064,"value":305172.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.85 to $2.98. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2730000,"source":{"system":"sec-edgar","filing":"0001104659-25-119359","document":"tm2532961-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925119359/tm2532961-1_4seq1.xml","form_type":"4"}},{"id":977241,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-12-08T22:14:34.000Z","date":"2025-12-04","kind":"sale","planned":false,"acquired":false,"shares":65000,"price":2.9424,"value":191256.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.885 to $3.00. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2835000,"source":{"system":"sec-edgar","filing":"0001104659-25-119359","document":"tm2532961-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925119359/tm2532961-1_4seq1.xml","form_type":"4"}},{"id":983085,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-12-02T22:22:28.000Z","date":"2025-11-28","kind":"sale","planned":false,"acquired":false,"shares":200000,"price":2.9354,"value":587080.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.885 to $3.015. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2900000,"source":{"system":"sec-edgar","filing":"0001104659-25-117793","document":"tm2532523-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925117793/tm2532523-2_4seq1.xml","form_type":"4"}},{"id":989521,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-11-24T23:36:34.000Z","date":"2025-11-21","kind":"sale","planned":false,"acquired":false,"shares":17163,"price":2.5012,"value":42928.0956,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.50 to $2.505. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":3100000,"source":{"system":"sec-edgar","filing":"0001104659-25-115527","document":"tm2531990-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925115527/tm2531990-1_4seq1.xml","form_type":"4"}},{"id":989520,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-11-24T23:36:34.000Z","date":"2025-11-20","kind":"sale","planned":false,"acquired":false,"shares":132837,"price":2.5971,"value":344990.9727,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.50 to $2.7406. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 90.9% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":3117163,"source":{"system":"sec-edgar","filing":"0001104659-25-115527","document":"tm2531990-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925115527/tm2531990-1_4seq1.xml","form_type":"4"}},{"id":993344,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-11-19T22:44:40.000Z","date":"2025-11-19","kind":"sale","planned":false,"acquired":false,"shares":250000,"price":2.568,"value":642000.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.505 to $2.715. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":3250000,"source":{"system":"sec-edgar","filing":"0001104659-25-114213","document":"tm2531645-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925114213/tm2531645-1_4seq1.xml","form_type":"4"}},{"id":993343,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-11-19T22:44:40.000Z","date":"2025-11-17","kind":"sale","planned":false,"acquired":false,"shares":338653,"price":2.8096,"value":951479.4688,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $2.76 to $2.885. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":3500000,"source":{"system":"sec-edgar","filing":"0001104659-25-114213","document":"tm2531645-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925114213/tm2531645-1_4seq1.xml","form_type":"4"}},{"id":1007753,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Units of NET Power Operations LLC","published_at":"2025-11-05T02:17:52.000Z","date":"2025-11-03","kind":"exercise","planned":false,"acquired":false,"shares":2000000,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On November 03, 2025, NPEH exchanged 2,000,000 Class A Units of NET Power Operations LLC for 2,000,000 shares of the Issuer's Class A Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On November 03, 2025, NPEH exchanged 2,000,000 Class A Units of NET Power Operations LLC for 2,000,000 shares of the Issuer's Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On November 03, 2025, NPEH exchanged 2,000,000 Class A Units of NET Power Operations LLC for 2,000,000 shares of the Issuer's Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On November 03, 2025, NPEH exchanged 2,000,000 Class A Units of NET Power Operations LLC for 2,000,000 shares of the Issuer's Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":20729880,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2000000},"source":{"system":"sec-edgar","filing":"0001104659-25-106553","document":"tm2530190-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925106553/tm2530190-2_4seq1.xml","form_type":"4"}},{"id":1007752,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2025-11-05T02:17:52.000Z","date":"2025-11-03","kind":"other","planned":false,"acquired":false,"shares":2000000,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"For each Class A Unit of Net Power Operations LLC, NPEH owns a corresponding share of Class B Common Stock of the Issuer. Upon the exchange of 2,000,000 Class A Units of Net Power Operations LLC, an equal number of shares of Class B Common Stock of the Issuer held by NPEH, which have no economic value, were cancelled."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":20729880,"source":{"system":"sec-edgar","filing":"0001104659-25-106553","document":"tm2530190-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925106553/tm2530190-2_4seq1.xml","form_type":"4"}},{"id":1007751,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-11-05T02:17:52.000Z","date":"2025-11-03","kind":"exercise","planned":false,"acquired":true,"shares":2000000,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On November 03, 2025, NPEH exchanged 2,000,000 Class A Units of NET Power Operations LLC for 2,000,000 shares of the Issuer's Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":3838653,"source":{"system":"sec-edgar","filing":"0001104659-25-106553","document":"tm2530190-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925106553/tm2530190-2_4seq1.xml","form_type":"4"}},{"id":1007750,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-11-05T02:17:52.000Z","date":"2025-11-03","kind":"sale","planned":false,"acquired":false,"shares":8477,"price":4.0025,"value":33929.1925,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $4.00 to $4.01. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1838653,"source":{"system":"sec-edgar","filing":"0001104659-25-106553","document":"tm2530190-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925106553/tm2530190-2_4seq1.xml","form_type":"4"}},{"id":1007749,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-11-05T02:17:52.000Z","date":"2025-10-31","kind":"sale","planned":false,"acquired":false,"shares":18116,"price":4.0527,"value":73418.7132,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $4.05 to $4.06. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") independently indirectly owns approximately 68.5% of 8 Rivers. Accordingly, Mr. Beauchamp may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his pecuniary interest therein. Mr. Beauchamp disclaims beneficial ownership of any such securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1847130,"source":{"system":"sec-edgar","filing":"0001104659-25-106553","document":"tm2530190-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925106553/tm2530190-2_4seq1.xml","form_type":"4"}},{"id":1011146,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73616,"kind":"person","name":"Beauchamp Cynda","position":3,"cik":"0002079418","reported_name":"Beauchamp Cynda","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-30T23:38:50.000Z","date":"2025-10-30","kind":"sale","planned":false,"acquired":false,"shares":107754,"price":4.0376,"value":435067.5504,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $4.00 to $4.105. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") and Cynda Beauchamp (\"Mrs. Beauchamp\") are married and each independently indirectly owns approximately 34.2% of 8 Rivers. Accordingly, each may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his or her pecuniary interest therein. Mr. and Mrs. Beauchamp disclaim beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. or Mrs. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1865246,"source":{"system":"sec-edgar","filing":"0001104659-25-104536","document":"tm2529849-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925104536/tm2529849-1_4seq1.xml","form_type":"4"}},{"id":1011145,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73616,"kind":"person","name":"Beauchamp Cynda","position":3,"cik":"0002079418","reported_name":"Beauchamp Cynda","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-30T23:38:50.000Z","date":"2025-10-29","kind":"sale","planned":false,"acquired":false,"shares":786832,"price":4.1166,"value":3239072.6112,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $3.72 to $4.315. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") and Cynda Beauchamp (\"Mrs. Beauchamp\") are married and each independently indirectly owns approximately 34.2% of 8 Rivers. Accordingly, each may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his or her pecuniary interest therein. Mr. and Mrs. Beauchamp disclaim beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. or Mrs. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1973000,"source":{"system":"sec-edgar","filing":"0001104659-25-104536","document":"tm2529849-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925104536/tm2529849-1_4seq1.xml","form_type":"4"}},{"id":1011144,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73616,"kind":"person","name":"Beauchamp Cynda","position":3,"cik":"0002079418","reported_name":"Beauchamp Cynda","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-30T23:38:50.000Z","date":"2025-10-28","kind":"sale","planned":false,"acquired":false,"shares":7585,"price":3.7695,"value":28591.6575,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $3.72 to $3.78. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") and Cynda Beauchamp (\"Mrs. Beauchamp\") are married and each independently indirectly owns approximately 34.2% of 8 Rivers. Accordingly, each may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his or her pecuniary interest therein. Mr. and Mrs. Beauchamp disclaim beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. or Mrs. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2759832,"source":{"system":"sec-edgar","filing":"0001104659-25-104536","document":"tm2529849-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925104536/tm2529849-1_4seq1.xml","form_type":"4"}},{"id":1013057,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73616,"kind":"person","name":"Beauchamp Cynda","position":3,"cik":"0002079418","reported_name":"Beauchamp Cynda","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-27T23:54:50.000Z","date":"2025-10-27","kind":"sale","planned":false,"acquired":false,"shares":200000,"price":3.7662,"value":753240.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $3.705 to $3.85. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") and Cynda Beauchamp (\"Mrs. Beauchamp\") are married and each independently indirectly owns approximately 34.2% of 8 Rivers. Accordingly, each may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his or her pecuniary interest therein. Mr. and Mrs. Beauchamp disclaim beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. or Mrs. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2767417,"source":{"system":"sec-edgar","filing":"0001104659-25-102683","document":"tm2529510-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925102683/tm2529510-1_4seq1.xml","form_type":"4"}},{"id":1013056,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73616,"kind":"person","name":"Beauchamp Cynda","position":3,"cik":"0002079418","reported_name":"Beauchamp Cynda","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-27T23:54:50.000Z","date":"2025-10-24","kind":"sale","planned":false,"acquired":false,"shares":32583,"price":3.7039,"value":120684.1737,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $3.70 to $3.725. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") and Cynda Beauchamp (\"Mrs. Beauchamp\") are married and each independently indirectly owns approximately 34.2% of 8 Rivers. Accordingly, each may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his or her pecuniary interest therein. Mr. and Mrs. Beauchamp disclaim beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. or Mrs. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2967417,"source":{"system":"sec-edgar","filing":"0001104659-25-102683","document":"tm2529510-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925102683/tm2529510-1_4seq1.xml","form_type":"4"}},{"id":1013055,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73616,"kind":"person","name":"Beauchamp Cynda","position":3,"cik":"0002079418","reported_name":"Beauchamp Cynda","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-27T23:54:50.000Z","date":"2025-10-23","kind":"sale","planned":false,"acquired":false,"shares":284100,"price":3.6901,"value":1048357.41,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $3.33 to $4.05. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") and Cynda Beauchamp (\"Mrs. Beauchamp\") are married and each independently indirectly owns approximately 34.2% of 8 Rivers. Accordingly, each may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his or her pecuniary interest therein. Mr. and Mrs. Beauchamp disclaim beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. or Mrs. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":3000000,"source":{"system":"sec-edgar","filing":"0001104659-25-102683","document":"tm2529510-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925102683/tm2529510-1_4seq1.xml","form_type":"4"}},{"id":1014481,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73616,"kind":"person","name":"Beauchamp Cynda","position":3,"cik":"0002079418","reported_name":"Beauchamp Cynda","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-23T00:55:02.000Z","date":"2025-10-22","kind":"sale","planned":false,"acquired":false,"shares":89000,"price":3.3071,"value":294331.9,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $3.225 to $3.365. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") and Cynda Beauchamp (\"Mrs. Beauchamp\") are married and each independently indirectly owns approximately 34.2% of 8 Rivers. Accordingly, each may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his or her pecuniary interest therein. Mr. and Mrs. Beauchamp disclaim beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. or Mrs. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":3284100,"source":{"system":"sec-edgar","filing":"0001104659-25-101628","document":"tm2529224-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925101628/tm2529224-2_4seq1.xml","form_type":"4"}},{"id":1014480,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73616,"kind":"person","name":"Beauchamp Cynda","position":3,"cik":"0002079418","reported_name":"Beauchamp Cynda","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-23T00:55:02.000Z","date":"2025-10-21","kind":"sale","planned":false,"acquired":false,"shares":189300,"price":3.5307,"value":668361.51,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $3.51 to $3.5775. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") and Cynda Beauchamp (\"Mrs. Beauchamp\") are married and each independently indirectly owns approximately 34.2% of 8 Rivers. Accordingly, each may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his or her pecuniary interest therein. Mr. and Mrs. Beauchamp disclaim beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. or Mrs. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":3373100,"source":{"system":"sec-edgar","filing":"0001104659-25-101628","document":"tm2529224-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925101628/tm2529224-2_4seq1.xml","form_type":"4"}},{"id":1014479,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73616,"kind":"person","name":"Beauchamp Cynda","position":3,"cik":"0002079418","reported_name":"Beauchamp Cynda","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-23T00:55:02.000Z","date":"2025-10-20","kind":"sale","planned":false,"acquired":false,"shares":201000,"price":3.5784,"value":719258.4,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $3.51 to $3.72. NPEH, LLC (\"NPEH\") will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Damian R. Beauchamp (\"Mr. Beauchamp\") and Cynda Beauchamp (\"Mrs. Beauchamp\") are married and each independently indirectly owns approximately 34.2% of 8 Rivers. Accordingly, each may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his or her pecuniary interest therein. Mr. and Mrs. Beauchamp disclaim beneficial ownership of any such securities, except to the extent of his or her pecuniary interest therein, if any, and this report shall not be deemed an admission that Mr. or Mrs. Beauchamp is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":3562400,"source":{"system":"sec-edgar","filing":"0001104659-25-101628","document":"tm2529224-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925101628/tm2529224-2_4seq1.xml","form_type":"4"}},{"id":1017425,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73616,"kind":"person","name":"Beauchamp Cynda","position":3,"cik":"0002079418","reported_name":"Beauchamp Cynda","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Units of NET Power Operations LLC","published_at":"2025-10-17T01:01:01.000Z","date":"2025-10-14","kind":"exercise","planned":false,"acquired":false,"shares":4000000,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On October 14, 2025, NPEH, LLC (\"NPEH\") exchanged 4,000,000 Class A Units of NET Power Operations LLC for 4,000,000 shares of the Issuer's Class A Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On October 14, 2025, NPEH, LLC (\"NPEH\") exchanged 4,000,000 Class A Units of NET Power Operations LLC for 4,000,000 shares of the Issuer's Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On October 14, 2025, NPEH, LLC (\"NPEH\") exchanged 4,000,000 Class A Units of NET Power Operations LLC for 4,000,000 shares of the Issuer's Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On October 14, 2025, NPEH, LLC (\"NPEH\") exchanged 4,000,000 Class A Units of NET Power Operations LLC for 4,000,000 shares of the Issuer's Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $4.67 to $4.93. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":22729880,"derivative":{"underlying":"Class A Common Stock","underlying_shares":4000000},"source":{"system":"sec-edgar","filing":"0001104659-25-100173","document":"tm2528899-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925100173/tm2528899-1_4seq1.xml","form_type":"4"}},{"id":1017424,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73616,"kind":"person","name":"Beauchamp Cynda","position":3,"cik":"0002079418","reported_name":"Beauchamp Cynda","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-17T01:01:01.000Z","date":"2025-10-16","kind":"sale","planned":false,"acquired":false,"shares":13959,"price":4.7061,"value":65692.4499,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $4.50 to $4.83. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Damian Beauchamp (\"Mr. Beauchamp\") and Cynda Beauchamp (\"Mrs. Beauchamp\") are married and each independently indirectly owns approximately 34.2% of 8 Rivers. Accordingly, each may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his or her pecuniary interest therein. Mr. and Mrs. Beauchamp disclaim beneficial ownership of these securities except to the extent of his or her pecuniary interest therein."}],"balance_after":3763400,"source":{"system":"sec-edgar","filing":"0001104659-25-100173","document":"tm2528899-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925100173/tm2528899-1_4seq1.xml","form_type":"4"}},{"id":1017423,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73616,"kind":"person","name":"Beauchamp Cynda","position":3,"cik":"0002079418","reported_name":"Beauchamp Cynda","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-17T01:01:01.000Z","date":"2025-10-15","kind":"sale","planned":false,"acquired":false,"shares":122641,"price":4.8786,"value":598316.3826,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $4.85 to $4.925. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Damian Beauchamp (\"Mr. Beauchamp\") and Cynda Beauchamp (\"Mrs. Beauchamp\") are married and each independently indirectly owns approximately 34.2% of 8 Rivers. Accordingly, each may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his or her pecuniary interest therein. Mr. and Mrs. Beauchamp disclaim beneficial ownership of these securities except to the extent of his or her pecuniary interest therein."}],"balance_after":3777359,"source":{"system":"sec-edgar","filing":"0001104659-25-100173","document":"tm2528899-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925100173/tm2528899-1_4seq1.xml","form_type":"4"}},{"id":1017422,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73616,"kind":"person","name":"Beauchamp Cynda","position":3,"cik":"0002079418","reported_name":"Beauchamp Cynda","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-17T01:01:01.000Z","date":"2025-10-15","kind":"sale","planned":false,"acquired":false,"shares":100000,"price":4.8321,"value":483210.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported reflects the weighted average sales price. The shares of Class A Common Stock were sold in multiple trades at prices ranging from $4.67 to $4.93. NPEH will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Damian Beauchamp (\"Mr. Beauchamp\") and Cynda Beauchamp (\"Mrs. Beauchamp\") are married and each independently indirectly owns approximately 34.2% of 8 Rivers. Accordingly, each may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his or her pecuniary interest therein. Mr. and Mrs. Beauchamp disclaim beneficial ownership of these securities except to the extent of his or her pecuniary interest therein."}],"balance_after":3900000,"source":{"system":"sec-edgar","filing":"0001104659-25-100173","document":"tm2528899-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925100173/tm2528899-1_4seq1.xml","form_type":"4"}},{"id":1017421,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73616,"kind":"person","name":"Beauchamp Cynda","position":3,"cik":"0002079418","reported_name":"Beauchamp Cynda","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2025-10-17T01:01:01.000Z","date":"2025-10-14","kind":"other","planned":false,"acquired":false,"shares":4000000,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"For each Class A Unit of Net Power Operations LLC, NPEH owns a corresponding share of Class B Common Stock of the Issuer. Upon the exchange of 4,000,000 Class A Units of Net Power Operations LLC, an equal number of shares of Class B Common Stock of the Issuer held by NPEH, which have no economic value, were cancelled."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Damian Beauchamp (\"Mr. Beauchamp\") and Cynda Beauchamp (\"Mrs. Beauchamp\") are married and each independently indirectly owns approximately 34.2% of 8 Rivers. Accordingly, each may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his or her pecuniary interest therein. Mr. and Mrs. Beauchamp disclaim beneficial ownership of these securities except to the extent of his or her pecuniary interest therein."}],"balance_after":22729880,"source":{"system":"sec-edgar","filing":"0001104659-25-100173","document":"tm2528899-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925100173/tm2528899-1_4seq1.xml","form_type":"4"}},{"id":1017420,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":18959,"kind":"organization","name":"8 Rivers Capital, LLC","position":1,"cik":"0001981100","reported_name":"8 Rivers Capital, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":18960,"kind":"person","name":"BEAUCHAMP DAMIAN R.","position":2,"cik":"0001973442","reported_name":"BEAUCHAMP DAMIAN R.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73616,"kind":"person","name":"Beauchamp Cynda","position":3,"cik":"0002079418","reported_name":"Beauchamp Cynda","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-10-17T01:01:01.000Z","date":"2025-10-14","kind":"exercise","planned":false,"acquired":true,"shares":4000000,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Class A Units of NET Power Operations LLC are exchangeable into shares of the Issuer's Class A Common Stock or, at the Issuer's election, cash, on a one-for-one basis and have no expiration date. On October 14, 2025, NPEH, LLC (\"NPEH\") exchanged 4,000,000 Class A Units of NET Power Operations LLC for 4,000,000 shares of the Issuer's Class A Common Stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"As manager and holder of approximately 91.4% of the outstanding equity in NPEH, 8 Rivers Capital, LLC (\"8 Rivers\") may be deemed to be a beneficial owner of the securities directly owned by NPEH. 8 Rivers disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that 8 Rivers is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Damian Beauchamp (\"Mr. Beauchamp\") and Cynda Beauchamp (\"Mrs. Beauchamp\") are married and each independently indirectly owns approximately 34.2% of 8 Rivers. Accordingly, each may be deemed the indirect beneficial owner of the securities owned by NPEH to the extent of his or her pecuniary interest therein. Mr. and Mrs. Beauchamp disclaim beneficial ownership of these securities except to the extent of his or her pecuniary interest therein."}],"balance_after":4000000,"source":{"system":"sec-edgar","filing":"0001104659-25-100173","document":"tm2528899-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925100173/tm2528899-1_4seq1.xml","form_type":"4"}}]}