{"transactions":[{"id":1177327,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":81043,"kind":"person","name":"ALLEN BRIAN F.","position":1,"cik":"0001975816","reported_name":"ALLEN BRIAN F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO and President"}}],"security":"Performance Stock Units","published_at":"2025-04-05T01:55:50.000Z","date":"2025-04-02","kind":"grant","planned":false,"acquired":true,"shares":132399,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The Reporting Person will receive a number of shares of Class A common stock equal to 50% of the number of PSUs upon attainment of a 10% compound annual growth rate (\"CAGR\") of the 30-day volume weighted average price (\"VWAP\") of a share of Class A common stock on April 2, 2028 as compared to the VWAP of a share of Class A common stock on April 2, 2025. The Reporting Person will receive a number of shares of Class A common stock equal to 100% of the number of PSUs upon attainment of a 12% CAGR of the VWAP of a share of Class A common stock on April 2, 2028 as compared to the VWAP of a share of Class A common stock on April 2, 2025. The Reporting Person will receive a number of shares of Class A common stock equal to 200% of the number of PSUs upon attainment of a 15% CAGR of the VWAP of a share of Class A common stock on April 2, 2028 as compared to the VWAP of a share of Class A common stock on April 2, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The Reporting Person will receive a number of shares of Class A common stock equal to 50% of the number of PSUs upon attainment of a 10% compound annual growth rate (\"CAGR\") of the 30-day volume weighted average price (\"VWAP\") of a share of Class A common stock on April 2, 2028 as compared to the VWAP of a share of Class A common stock on April 2, 2025. The Reporting Person will receive a number of shares of Class A common stock equal to 100% of the number of PSUs upon attainment of a 12% CAGR of the VWAP of a share of Class A common stock on April 2, 2028 as compared to the VWAP of a share of Class A common stock on April 2, 2025. The Reporting Person will receive a number of shares of Class A common stock equal to 200% of the number of PSUs upon attainment of a 15% CAGR of the VWAP of a share of Class A common stock on April 2, 2028 as compared to the VWAP of a share of Class A common stock on April 2, 2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The Reporting Person will receive a number of shares of Class A common stock equal to 50% of the number of PSUs upon attainment of a 10% compound annual growth rate (\"CAGR\") of the 30-day volume weighted average price (\"VWAP\") of a share of Class A common stock on April 2, 2028 as compared to the VWAP of a share of Class A common stock on April 2, 2025. The Reporting Person will receive a number of shares of Class A common stock equal to 100% of the number of PSUs upon attainment of a 12% CAGR of the VWAP of a share of Class A common stock on April 2, 2028 as compared to the VWAP of a share of Class A common stock on April 2, 2025. The Reporting Person will receive a number of shares of Class A common stock equal to 200% of the number of PSUs upon attainment of a 15% CAGR of the VWAP of a share of Class A common stock on April 2, 2028 as compared to the VWAP of a share of Class A common stock on April 2, 2025."}],"balance_after":170009,"derivative":{"underlying":"Class A Common Stock","underlying_shares":132399},"source":{"system":"sec-edgar","filing":"0001845437-25-000014","document":"wk-form4_1743818144.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000184543725000014/wk-form4_1743818144.xml","form_type":"4"}},{"id":1177326,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":81043,"kind":"person","name":"ALLEN BRIAN F.","position":1,"cik":"0001975816","reported_name":"ALLEN BRIAN F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO and President"}}],"security":"Restricted Stock Units","published_at":"2025-04-05T01:55:50.000Z","date":"2025-04-02","kind":"grant","planned":false,"acquired":true,"shares":132399,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock units that vest in three equal installments on each anniversary of April 2, 2025, subject to continued employment."}],"balance_after":568939,"source":{"system":"sec-edgar","filing":"0001845437-25-000014","document":"wk-form4_1743818144.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000184543725000014/wk-form4_1743818144.xml","form_type":"4"}},{"id":1547512,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":81043,"kind":"person","name":"ALLEN BRIAN F.","position":1,"cik":"0001975816","reported_name":"ALLEN BRIAN F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO and President"}}],"security":"Performance Stock Units","published_at":"2024-04-04T20:11:07.000Z","date":"2024-04-02","kind":"grant","planned":false,"acquired":true,"shares":37610,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"The Reporting Person will receive a number of shares of Class A common stock equal to 50% of the number of PSUs upon attainment of a 10% compound annual growth rate (\"CAGR\") of the 30-day volume weighted average price (\"VWAP\") of a share of Class A common stock on April 2, 2027 as compared to the VWAP of a share of Class A common stock on April 2, 2024. The Reporting Person will receive a number of shares of Class A common stock equal to 100% of the number of PSUs upon attainment of a 12% CAGR of the VWAP of a share of Class A common stock on April 2, 2027 as compared to the VWAP of a share of Class A common stock on April 2, 2024. The Reporting Person will receive a number of shares of Class A common stock equal to 200% of the number of PSUs upon attainment of a 15% CAGR of the VWAP of a share of Class A common stock on April 2, 2027 as compared to the VWAP of a share of Class A common stock on April 2, 2024."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The Reporting Person will receive a number of shares of Class A common stock equal to 50% of the number of PSUs upon attainment of a 10% compound annual growth rate (\"CAGR\") of the 30-day volume weighted average price (\"VWAP\") of a share of Class A common stock on April 2, 2027 as compared to the VWAP of a share of Class A common stock on April 2, 2024. The Reporting Person will receive a number of shares of Class A common stock equal to 100% of the number of PSUs upon attainment of a 12% CAGR of the VWAP of a share of Class A common stock on April 2, 2027 as compared to the VWAP of a share of Class A common stock on April 2, 2024. The Reporting Person will receive a number of shares of Class A common stock equal to 200% of the number of PSUs upon attainment of a 15% CAGR of the VWAP of a share of Class A common stock on April 2, 2027 as compared to the VWAP of a share of Class A common stock on April 2, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The Reporting Person will receive a number of shares of Class A common stock equal to 50% of the number of PSUs upon attainment of a 10% compound annual growth rate (\"CAGR\") of the 30-day volume weighted average price (\"VWAP\") of a share of Class A common stock on April 2, 2027 as compared to the VWAP of a share of Class A common stock on April 2, 2024. The Reporting Person will receive a number of shares of Class A common stock equal to 100% of the number of PSUs upon attainment of a 12% CAGR of the VWAP of a share of Class A common stock on April 2, 2027 as compared to the VWAP of a share of Class A common stock on April 2, 2024. The Reporting Person will receive a number of shares of Class A common stock equal to 200% of the number of PSUs upon attainment of a 15% CAGR of the VWAP of a share of Class A common stock on April 2, 2027 as compared to the VWAP of a share of Class A common stock on April 2, 2024."}],"balance_after":37610,"derivative":{"underlying":"Class A Common Stock","underlying_shares":37610},"source":{"system":"sec-edgar","filing":"0001845437-24-000011","document":"wk-form4_1712261457.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000184543724000011/wk-form4_1712261457.xml","form_type":"4"}},{"id":1547511,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":81043,"kind":"person","name":"ALLEN BRIAN F.","position":1,"cik":"0001975816","reported_name":"ALLEN BRIAN F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO and President"}}],"security":"Restricted Stock Units","published_at":"2024-04-04T20:11:07.000Z","date":"2024-04-02","kind":"grant","planned":false,"acquired":true,"shares":411467,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Restricted stock units that vest upon the latest to occur of the following three events:  (1) The date that is 12 months after the date on which natural gas is first ignited at NET Power's first utility-scale plant; (2) The date of execution by all parties to an agreement related to the first sale by NET Power and its subsidiaries of a license to construct, operate, and maintain a second power plant utilizing the \"NET Power Cycle\"  (the \"License Agreement\"); and (3) The date of documentation of a final investment decision by the licensee under the above-referenced License Agreement to proceed with constructing the second power plant utilizing the \"NET Power Cycle.\""}],"balance_after":449077,"source":{"system":"sec-edgar","filing":"0001845437-24-000011","document":"wk-form4_1712261457.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000184543724000011/wk-form4_1712261457.xml","form_type":"4"}},{"id":1547510,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":81043,"kind":"person","name":"ALLEN BRIAN F.","position":1,"cik":"0001975816","reported_name":"ALLEN BRIAN F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO and President"}}],"security":"Restricted Stock Units","published_at":"2024-04-04T20:11:07.000Z","date":"2024-04-02","kind":"grant","planned":false,"acquired":true,"shares":37610,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock units that vest in three equal installments on each anniversary of April 2, 2024, subject to continued employment."}],"balance_after":37610,"source":{"system":"sec-edgar","filing":"0001845437-24-000011","document":"wk-form4_1712261457.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000184543724000011/wk-form4_1712261457.xml","form_type":"4"}},{"id":1858145,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":81043,"kind":"person","name":"ALLEN BRIAN F.","position":1,"cik":"0001975816","reported_name":"ALLEN BRIAN F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and COO"}}],"security":"Class A Units of NET Power Operations LLC","published_at":"2023-06-12T23:41:36.000Z","date":"2023-06-08","kind":"grant","planned":false,"acquired":true,"shares":568090,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The Opco Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into cash or shares of the issuer's Class A common stock, at the issuer's election, on a one-for-one basis and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On June 8, 2023, as a result of the consummation of the transactions (the \"Business Combination\") contemplated by that certain Business Combination Agreement, dated December 13, 2022 and subsequently amended on April 23, 2023, by and among the issuer, NET Power Operations LLC (f/k/a Rice Acquisition Holdings II LLC) (\"Opco\"), Topo Buyer Co, LLC, Topo Merger Sub, LLC and NET Power, LLC (\"Old NET Power\"), in exchange for the equity interests of Old NET Power, which were cancelled, Mr. Allen received Class A units of Opco (the \"Opco Units\") and a corresponding number of shares of the issuer's Class B common stock (which together are exchangeable into shares of the issuer's Class A Common Stock on a one-for-one basis)."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On June 8, 2023, as a result of the consummation of the transactions (the \"Business Combination\") contemplated by that certain Business Combination Agreement, dated December 13, 2022 and subsequently amended on April 23, 2023, by and among the issuer, NET Power Operations LLC (f/k/a Rice Acquisition Holdings II LLC) (\"Opco\"), Topo Buyer Co, LLC, Topo Merger Sub, LLC and NET Power, LLC (\"Old NET Power\"), in exchange for the equity interests of Old NET Power, which were cancelled, Mr. Allen received Class A units of Opco (the \"Opco Units\") and a corresponding number of shares of the issuer's Class B common stock (which together are exchangeable into shares of the issuer's Class A Common Stock on a one-for-one basis)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The Opco Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into cash or shares of the issuer's Class A common stock, at the issuer's election, on a one-for-one basis and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The Opco Units (together with the corresponding shares of the issuer's Class B common stock) are exchangeable into cash or shares of the issuer's Class A common stock, at the issuer's election, on a one-for-one basis and have no expiration date."}],"balance_after":568090,"derivative":{"underlying":"Class A common stock","underlying_shares":568090},"source":{"system":"sec-edgar","filing":"0001213900-23-048296","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000121390023048296/ownership.xml","form_type":"4"}},{"id":1858144,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":81043,"kind":"person","name":"ALLEN BRIAN F.","position":1,"cik":"0001975816","reported_name":"ALLEN BRIAN F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and COO"}}],"security":"Class B Common Stock","published_at":"2023-06-12T23:41:36.000Z","date":"2023-06-08","kind":"grant","planned":false,"acquired":true,"shares":568090,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On June 8, 2023, as a result of the consummation of the transactions (the \"Business Combination\") contemplated by that certain Business Combination Agreement, dated December 13, 2022 and subsequently amended on April 23, 2023, by and among the issuer, NET Power Operations LLC (f/k/a Rice Acquisition Holdings II LLC) (\"Opco\"), Topo Buyer Co, LLC, Topo Merger Sub, LLC and NET Power, LLC (\"Old NET Power\"), in exchange for the equity interests of Old NET Power, which were cancelled, Mr. Allen received Class A units of Opco (the \"Opco Units\") and a corresponding number of shares of the issuer's Class B common stock (which together are exchangeable into shares of the issuer's Class A Common Stock on a one-for-one basis)."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On June 8, 2023, as a result of the consummation of the transactions (the \"Business Combination\") contemplated by that certain Business Combination Agreement, dated December 13, 2022 and subsequently amended on April 23, 2023, by and among the issuer, NET Power Operations LLC (f/k/a Rice Acquisition Holdings II LLC) (\"Opco\"), Topo Buyer Co, LLC, Topo Merger Sub, LLC and NET Power, LLC (\"Old NET Power\"), in exchange for the equity interests of Old NET Power, which were cancelled, Mr. Allen received Class A units of Opco (the \"Opco Units\") and a corresponding number of shares of the issuer's Class B common stock (which together are exchangeable into shares of the issuer's Class A Common Stock on a one-for-one basis)."}],"balance_after":568090,"source":{"system":"sec-edgar","filing":"0001213900-23-048296","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000121390023048296/ownership.xml","form_type":"4"}}]}