{"transactions":[{"id":1078122,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Units of NET Power Operations LLC","published_at":"2025-07-31T23:06:37.000Z","date":"2025-07-30","kind":"other","planned":false,"acquired":false,"shares":26729880,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"For each Class A Unit of Net Power Operations LLC, NPEH owns one corresponding share of Class B Common Stock of the Issuer.  The Class A Units of NET Power Operations LLC are exchangeable (together with the cancellation of a corresponding number of shares of the Issuer's Class B Common Stock) into shares of the Issuer's Class A Common Stock on a one-for-one basis or, at the Issuer's election, cash, and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F1","text":"The securities reported in this Form 4 are directly held by NPEH, LLC (\"NPEH\"), a limited liability company of which the Reporting Person was the indirect majority owner.  On July 30, 2025, the Reporting Person sold 100% of the equity interests of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedoria\").  Tillandsia, Areca and Chamaedorea own approximately 18.6%, 25.77% and 24.11%, respectively, of the voting units of 8 Rivers Capital, LLC (\"8 Rivers\").  8 Rivers is the manager and owns approximately 91.4% of NPEH."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The securities reported in this Form 4 are directly held by NPEH, LLC (\"NPEH\"), a limited liability company of which the Reporting Person was the indirect majority owner.  On July 30, 2025, the Reporting Person sold 100% of the equity interests of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedoria\").  Tillandsia, Areca and Chamaedorea own approximately 18.6%, 25.77% and 24.11%, respectively, of the voting units of 8 Rivers Capital, LLC (\"8 Rivers\").  8 Rivers is the manager and owns approximately 91.4% of NPEH."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"For each Class A Unit of Net Power Operations LLC, NPEH owns one corresponding share of Class B Common Stock of the Issuer.  The Class A Units of NET Power Operations LLC are exchangeable (together with the cancellation of a corresponding number of shares of the Issuer's Class B Common Stock) into shares of the Issuer's Class A Common Stock on a one-for-one basis or, at the Issuer's election, cash, and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"For each Class A Unit of Net Power Operations LLC, NPEH owns one corresponding share of Class B Common Stock of the Issuer.  The Class A Units of NET Power Operations LLC are exchangeable (together with the cancellation of a corresponding number of shares of the Issuer's Class B Common Stock) into shares of the Issuer's Class A Common Stock on a one-for-one basis or, at the Issuer's election, cash, and have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The securities reported in this Form 4 are directly held by NPEH, LLC (\"NPEH\"), a limited liability company of which the Reporting Person was the indirect majority owner.  On July 30, 2025, the Reporting Person sold 100% of the equity interests of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedoria\").  Tillandsia, Areca and Chamaedorea own approximately 18.6%, 25.77% and 24.11%, respectively, of the voting units of 8 Rivers Capital, LLC (\"8 Rivers\").  8 Rivers is the manager and owns approximately 91.4% of NPEH."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"For each Class A Unit of Net Power Operations LLC, NPEH owns one corresponding share of Class B Common Stock of the Issuer.  The Class A Units of NET Power Operations LLC are exchangeable (together with the cancellation of a corresponding number of shares of the Issuer's Class B Common Stock) into shares of the Issuer's Class A Common Stock on a one-for-one basis or, at the Issuer's election, cash, and have no expiration date."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":26729880},"source":{"system":"sec-edgar","filing":"0001104659-25-072811","document":"tm2522100-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925072811/tm2522100-2_4seq1.xml","form_type":"4"}},{"id":1078121,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2025-07-31T23:06:37.000Z","date":"2025-07-30","kind":"other","planned":false,"acquired":false,"shares":26729880,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The securities reported in this Form 4 are directly held by NPEH, LLC (\"NPEH\"), a limited liability company of which the Reporting Person was the indirect majority owner.  On July 30, 2025, the Reporting Person sold 100% of the equity interests of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedoria\").  Tillandsia, Areca and Chamaedorea own approximately 18.6%, 25.77% and 24.11%, respectively, of the voting units of 8 Rivers Capital, LLC (\"8 Rivers\").  8 Rivers is the manager and owns approximately 91.4% of NPEH."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The securities reported in this Form 4 are directly held by NPEH, LLC (\"NPEH\"), a limited liability company of which the Reporting Person was the indirect majority owner.  On July 30, 2025, the Reporting Person sold 100% of the equity interests of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedoria\").  Tillandsia, Areca and Chamaedorea own approximately 18.6%, 25.77% and 24.11%, respectively, of the voting units of 8 Rivers Capital, LLC (\"8 Rivers\").  8 Rivers is the manager and owns approximately 91.4% of NPEH."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The securities reported in this Form 4 are directly held by NPEH, LLC (\"NPEH\"), a limited liability company of which the Reporting Person was the indirect majority owner.  On July 30, 2025, the Reporting Person sold 100% of the equity interests of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedoria\").  Tillandsia, Areca and Chamaedorea own approximately 18.6%, 25.77% and 24.11%, respectively, of the voting units of 8 Rivers Capital, LLC (\"8 Rivers\").  8 Rivers is the manager and owns approximately 91.4% of NPEH."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"For each Class A Unit of Net Power Operations LLC, NPEH owns one corresponding share of Class B Common Stock of the Issuer.  The Class A Units of NET Power Operations LLC are exchangeable (together with the cancellation of a corresponding number of shares of the Issuer's Class B Common Stock) into shares of the Issuer's Class A Common Stock on a one-for-one basis or, at the Issuer's election, cash, and have no expiration date."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001104659-25-072811","document":"tm2522100-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465925072811/tm2522100-2_4seq1.xml","form_type":"4"}},{"id":1085206,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2025-07-17T10:34:38.000Z","date":"2025-07-15","kind":"sale","planned":false,"acquired":false,"shares":2500000,"price":2.61,"value":6525000.0,"ownership":{"direct":false,"nature":"By: Tillandsia"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On July 15, 2025, Tillandsia, Inc. (\"Tillandsia\") sold 2,500,000 shares of Class A Common Stock pursuant to a block trade through its placement manager, Citigroup Global Markets Inc., at a price of $2.61 per share."},{"field":"shares","element":"transactionShares","label":"F2","text":"As holder of 100.0% of the outstanding equity in Tillandsia, SK Inc. (\"SK\") may be deemed to be a beneficial owner of the securities directly owned by Tillandsia. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"As holder of 100.0% of the outstanding equity in Tillandsia, SK Inc. (\"SK\") may be deemed to be a beneficial owner of the securities directly owned by Tillandsia. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-25-096435","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000095017025096435/ownership.xml","form_type":"4"}},{"id":1325481,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-12-19T21:15:04.000Z","date":"2024-12-18","kind":"sale","planned":false,"acquired":false,"shares":400000,"price":0.42,"value":168000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.4130 to $0.4279, inclusive."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":31843210,"source":{"system":"sec-edgar","filing":"0000950170-24-138459","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024138459/ownership.xml","form_type":"4"}},{"id":1325480,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-12-19T21:15:04.000Z","date":"2024-12-17","kind":"sale","planned":false,"acquired":false,"shares":326460,"price":0.38,"value":124054.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.3837 to $0.3844, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":32243210,"source":{"system":"sec-edgar","filing":"0000950170-24-138459","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024138459/ownership.xml","form_type":"4"}},{"id":1328997,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-12-17T22:34:08.000Z","date":"2024-12-16","kind":"sale","planned":false,"acquired":false,"shares":500000,"price":0.4,"value":200000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.3993 to $0.4056, inclusive."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":32569670,"source":{"system":"sec-edgar","filing":"0000950170-24-137420","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024137420/ownership.xml","form_type":"4"}},{"id":1328996,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-12-17T22:34:08.000Z","date":"2024-12-13","kind":"sale","planned":false,"acquired":false,"shares":417857,"price":0.39,"value":162964.23,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.3922 to $0.4104, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":33069670,"source":{"system":"sec-edgar","filing":"0000950170-24-137420","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024137420/ownership.xml","form_type":"4"}},{"id":1332449,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-12-13T21:15:22.000Z","date":"2024-12-12","kind":"sale","planned":false,"acquired":false,"shares":115508,"price":0.42,"value":48513.36,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":33487527,"source":{"system":"sec-edgar","filing":"0000950170-24-136205","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024136205/ownership.xml","form_type":"4"}},{"id":1332448,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-12-13T21:15:22.000Z","date":"2024-12-11","kind":"sale","planned":false,"acquired":false,"shares":300000,"price":0.44,"value":132000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.4439 to $0.4470, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":33603035,"source":{"system":"sec-edgar","filing":"0000950170-24-136205","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024136205/ownership.xml","form_type":"4"}},{"id":1335806,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-12-11T21:15:06.000Z","date":"2024-12-10","kind":"sale","planned":false,"acquired":false,"shares":16120,"price":0.45,"value":7254.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":33903035,"source":{"system":"sec-edgar","filing":"0000950170-24-135378","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024135378/ownership.xml","form_type":"4"}},{"id":1335805,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-12-11T21:15:06.000Z","date":"2024-12-09","kind":"sale","planned":false,"acquired":false,"shares":400000,"price":0.48,"value":192000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.4829 to $0.4840, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":33919155,"source":{"system":"sec-edgar","filing":"0000950170-24-135378","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024135378/ownership.xml","form_type":"4"}},{"id":1350483,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-27T02:00:29.000Z","date":"2024-11-22","kind":"sale","planned":false,"acquired":false,"shares":431009,"price":12.759,"value":5499243.831,"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 $12.50 to $13.46. 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":"F2","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":"F3","text":"SK Inc. (\"SK\") directly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001104659-24-123261","document":"tm2429528-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924123261/tm2429528-2_4seq1.xml","form_type":"4"}},{"id":1355481,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Units of NET Power Operations LLC","published_at":"2024-11-22T01:37:38.000Z","date":"2024-11-19","kind":"exercise","planned":false,"acquired":false,"shares":1260420,"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 November 19, 2024, NPEH, LLC (\"NPEH\") exchanged 1,260,420 Class A Units of NET Power Operations LLC for 1,260,420 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 November 19, 2024, NPEH, LLC (\"NPEH\") exchanged 1,260,420 Class A Units of NET Power Operations LLC for 1,260,420 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 November 19, 2024, NPEH, LLC (\"NPEH\") exchanged 1,260,420 Class A Units of NET Power Operations LLC for 1,260,420 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 November 19, 2024, NPEH, LLC (\"NPEH\") exchanged 1,260,420 Class A Units of NET Power Operations LLC for 1,260,420 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":"SK Inc. (\"SK\") directly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":26729880,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1260420},"source":{"system":"sec-edgar","filing":"0001104659-24-121693","document":"tm2429117-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924121693/tm2429117-2_4seq1.xml","form_type":"4"}},{"id":1355480,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-22T01:37:38.000Z","date":"2024-11-21","kind":"sale","planned":false,"acquired":false,"shares":509040,"price":12.7163,"value":6473105.352,"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 $12.55 to $13.04. 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":"SK Inc. (\"SK\") directly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":431009,"source":{"system":"sec-edgar","filing":"0001104659-24-121693","document":"tm2429117-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924121693/tm2429117-2_4seq1.xml","form_type":"4"}},{"id":1355479,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-22T01:37:38.000Z","date":"2024-11-20","kind":"sale","planned":false,"acquired":false,"shares":320371,"price":12.5968,"value":4035649.4128,"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 $12.315 to $12.93. 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":"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":"SK Inc. (\"SK\") directly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":940049,"source":{"system":"sec-edgar","filing":"0001104659-24-121693","document":"tm2429117-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924121693/tm2429117-2_4seq1.xml","form_type":"4"}},{"id":1355478,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2024-11-22T01:37:38.000Z","date":"2024-11-19","kind":"other","planned":false,"acquired":false,"shares":1260420,"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 1,260,420 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":"SK Inc. (\"SK\") directly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":26729880,"source":{"system":"sec-edgar","filing":"0001104659-24-121693","document":"tm2429117-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924121693/tm2429117-2_4seq1.xml","form_type":"4"}},{"id":1355477,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-22T01:37:38.000Z","date":"2024-11-19","kind":"exercise","planned":false,"acquired":true,"shares":1260420,"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 November 19, 2024, NPEH, LLC (\"NPEH\") exchanged 1,260,420 Class A Units of NET Power Operations LLC for 1,260,420 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":"SK Inc. (\"SK\") directly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1260420,"source":{"system":"sec-edgar","filing":"0001104659-24-121693","document":"tm2429117-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924121693/tm2429117-2_4seq1.xml","form_type":"4"}},{"id":1363894,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-15T21:15:03.000Z","date":"2024-11-14","kind":"sale","planned":false,"acquired":false,"shares":300000,"price":0.3,"value":90000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.3009 to $0.3010, inclusive."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":34319155,"source":{"system":"sec-edgar","filing":"0000950170-24-127590","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024127590/ownership.xml","form_type":"4"}},{"id":1363893,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-15T21:15:03.000Z","date":"2024-11-13","kind":"sale","planned":false,"acquired":false,"shares":250000,"price":0.28,"value":70000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.2773 to $0.2901, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":34619155,"source":{"system":"sec-edgar","filing":"0000950170-24-127590","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024127590/ownership.xml","form_type":"4"}},{"id":1366719,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-13T21:15:03.000Z","date":"2024-11-11","kind":"sale","planned":false,"acquired":false,"shares":170248,"price":0.36,"value":61289.28,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.3587 to $0.3633, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":34869155,"source":{"system":"sec-edgar","filing":"0000950170-24-126331","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024126331/ownership.xml","form_type":"4"}},{"id":1369139,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-12T11:05:49.000Z","date":"2024-11-08","kind":"sale","planned":false,"acquired":false,"shares":103115,"price":0.37,"value":38152.55,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.37 to $0.3826, inclusive."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":35039403,"source":{"system":"sec-edgar","filing":"0000950170-24-124473","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024124473/ownership.xml","form_type":"4"}},{"id":1369138,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-12T11:05:49.000Z","date":"2024-11-07","kind":"sale","planned":false,"acquired":false,"shares":154105,"price":0.39,"value":60100.95,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.3883 to $0.4077, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":35142518,"source":{"system":"sec-edgar","filing":"0000950170-24-124473","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024124473/ownership.xml","form_type":"4"}},{"id":1373000,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-07T21:15:06.000Z","date":"2024-11-06","kind":"sale","planned":false,"acquired":false,"shares":4461,"price":0.42,"value":1873.62,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":35296623,"source":{"system":"sec-edgar","filing":"0000950170-24-123361","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024123361/ownership.xml","form_type":"4"}},{"id":1372999,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-07T21:15:06.000Z","date":"2024-11-05","kind":"sale","planned":false,"acquired":false,"shares":200000,"price":0.43,"value":86000.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":35301084,"source":{"system":"sec-edgar","filing":"0000950170-24-123361","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024123361/ownership.xml","form_type":"4"}},{"id":1375591,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-05T21:15:12.000Z","date":"2024-11-04","kind":"sale","planned":false,"acquired":false,"shares":200000,"price":0.45,"value":90000.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":35501084,"source":{"system":"sec-edgar","filing":"0000950170-24-121483","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024121483/ownership.xml","form_type":"4"}},{"id":1375590,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-05T21:15:12.000Z","date":"2024-11-01","kind":"sale","planned":false,"acquired":false,"shares":147794,"price":0.45,"value":66507.3,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.4538 to $0.4735, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":35701084,"source":{"system":"sec-edgar","filing":"0000950170-24-121483","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024121483/ownership.xml","form_type":"4"}},{"id":1378281,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-01T20:15:03.000Z","date":"2024-10-31","kind":"sale","planned":false,"acquired":false,"shares":2200,"price":0.5,"value":1100.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":35848878,"source":{"system":"sec-edgar","filing":"0000950170-24-120076","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024120076/ownership.xml","form_type":"4"}},{"id":1378280,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-11-01T20:15:03.000Z","date":"2024-10-30","kind":"sale","planned":false,"acquired":false,"shares":19250,"price":0.56,"value":10780.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":35851078,"source":{"system":"sec-edgar","filing":"0000950170-24-120076","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024120076/ownership.xml","form_type":"4"}},{"id":1379436,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-30T20:15:06.000Z","date":"2024-10-29","kind":"sale","planned":false,"acquired":false,"shares":235327,"price":0.57,"value":134136.39,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.5718 to $0.5752, inclusive."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":35870328,"source":{"system":"sec-edgar","filing":"0000950170-24-118998","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024118998/ownership.xml","form_type":"4"}},{"id":1379435,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-30T20:15:06.000Z","date":"2024-10-28","kind":"sale","planned":false,"acquired":false,"shares":217655,"price":0.58,"value":126239.9,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.5787 to $0.5948, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":36105655,"source":{"system":"sec-edgar","filing":"0000950170-24-118998","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024118998/ownership.xml","form_type":"4"}},{"id":1380716,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-28T20:15:07.000Z","date":"2024-10-25","kind":"sale","planned":false,"acquired":false,"shares":250000,"price":0.58,"value":145000.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":36323310,"source":{"system":"sec-edgar","filing":"0000950170-24-117733","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024117733/ownership.xml","form_type":"4"}},{"id":1380715,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-28T20:15:07.000Z","date":"2024-10-24","kind":"sale","planned":false,"acquired":false,"shares":290703,"price":0.62,"value":180235.86,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.6212 to $0.6444, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":36573310,"source":{"system":"sec-edgar","filing":"0000950170-24-117733","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024117733/ownership.xml","form_type":"4"}},{"id":1381993,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-24T20:15:03.000Z","date":"2024-10-23","kind":"sale","planned":false,"acquired":false,"shares":350505,"price":0.67,"value":234838.35,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.6680 to $0.6836, inclusive."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":36864013,"source":{"system":"sec-edgar","filing":"0000950170-24-117061","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024117061/ownership.xml","form_type":"4"}},{"id":1381992,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-24T20:15:03.000Z","date":"2024-10-22","kind":"sale","planned":false,"acquired":false,"shares":437785,"price":0.67,"value":293315.95,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.6735 to $0.6904, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":37214518,"source":{"system":"sec-edgar","filing":"0000950170-24-117061","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024117061/ownership.xml","form_type":"4"}},{"id":1383011,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-22T20:15:03.000Z","date":"2024-10-21","kind":"sale","planned":false,"acquired":false,"shares":500000,"price":0.69,"value":345000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.6839 to $0.6938, inclusive."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":37652303,"source":{"system":"sec-edgar","filing":"0000950170-24-116262","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024116262/ownership.xml","form_type":"4"}},{"id":1383010,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-22T20:15:03.000Z","date":"2024-10-18","kind":"sale","planned":false,"acquired":false,"shares":400000,"price":0.61,"value":244000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.6073 to $0.6151, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":38152803,"source":{"system":"sec-edgar","filing":"0000950170-24-116262","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024116262/ownership.xml","form_type":"4"}},{"id":1383921,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-19T00:00:18.000Z","date":"2024-10-17","kind":"sale","planned":false,"acquired":false,"shares":199369,"price":7.3268,"value":1460736.7892,"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 $7.10 to $7.555. 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001104659-24-109959","document":"tm2426503-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924109959/tm2426503-1_4seq1.xml","form_type":"4"}},{"id":1383920,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-19T00:00:18.000Z","date":"2024-10-16","kind":"sale","planned":false,"acquired":false,"shares":517618,"price":7.1203,"value":3685595.4454,"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 $7.00 to $7.175. 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":199369,"source":{"system":"sec-edgar","filing":"0001104659-24-109959","document":"tm2426503-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924109959/tm2426503-1_4seq1.xml","form_type":"4"}},{"id":1384177,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-18T20:15:06.000Z","date":"2024-10-17","kind":"sale","planned":false,"acquired":false,"shares":210500,"price":0.59,"value":124195.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.5890 to $0.6016, inclusive."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":38552303,"source":{"system":"sec-edgar","filing":"0000950170-24-115608","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024115608/ownership.xml","form_type":"4"}},{"id":1384176,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-18T20:15:06.000Z","date":"2024-10-16","kind":"sale","planned":false,"acquired":false,"shares":400000,"price":0.6,"value":240000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.5959 to $0.6058, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":38762803,"source":{"system":"sec-edgar","filing":"0000950170-24-115608","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024115608/ownership.xml","form_type":"4"}},{"id":1385929,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-16T20:15:03.000Z","date":"2024-10-15","kind":"sale","planned":false,"acquired":false,"shares":364898,"price":0.61,"value":222587.78,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.6058 to $0.6101, inclusive."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":39162803,"source":{"system":"sec-edgar","filing":"0000950170-24-115001","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024115001/ownership.xml","form_type":"4"}},{"id":1385928,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-16T20:15:03.000Z","date":"2024-10-14","kind":"sale","planned":false,"acquired":false,"shares":400000,"price":0.62,"value":248000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.6163 to $0.6184, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":39527701,"source":{"system":"sec-edgar","filing":"0000950170-24-115001","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024115001/ownership.xml","form_type":"4"}},{"id":1386739,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-15T20:15:03.000Z","date":"2024-10-11","kind":"sale","planned":false,"acquired":false,"shares":400000,"price":0.61,"value":244000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.5995 to $0.6179, inclusive."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":39927701,"source":{"system":"sec-edgar","filing":"0000950170-24-114679","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024114679/ownership.xml","form_type":"4"}},{"id":1386738,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-15T20:15:03.000Z","date":"2024-10-10","kind":"sale","planned":false,"acquired":false,"shares":200000,"price":0.57,"value":114000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.5669 to $0.5675, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":40327701,"source":{"system":"sec-edgar","filing":"0000950170-24-114679","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024114679/ownership.xml","form_type":"4"}},{"id":1387414,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-11T22:32:28.000Z","date":"2024-10-11","kind":"sale","planned":false,"acquired":false,"shares":120500,"price":6.9163,"value":833414.15,"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 $6.90 to $7.00. 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":716987,"source":{"system":"sec-edgar","filing":"0001104659-24-108148","document":"tm2426102-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924108148/tm2426102-1_4seq1.xml","form_type":"4"}},{"id":1387413,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-11T22:32:28.000Z","date":"2024-10-09","kind":"sale","planned":false,"acquired":false,"shares":122591,"price":6.9477,"value":851725.4907,"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 $6.90 to $7.04. 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":837487,"source":{"system":"sec-edgar","filing":"0001104659-24-108148","document":"tm2426102-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924108148/tm2426102-1_4seq1.xml","form_type":"4"}},{"id":1388149,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-10T20:15:03.000Z","date":"2024-10-09","kind":"sale","planned":false,"acquired":false,"shares":2481,"price":0.6,"value":1488.6,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":40527701,"source":{"system":"sec-edgar","filing":"0000950170-24-114062","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024114062/ownership.xml","form_type":"4"}},{"id":1388148,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-10T20:15:03.000Z","date":"2024-10-08","kind":"sale","planned":false,"acquired":false,"shares":71256,"price":0.6,"value":42753.6,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.6020 to $0.6023, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":40530182,"source":{"system":"sec-edgar","filing":"0000950170-24-114062","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024114062/ownership.xml","form_type":"4"}},{"id":1389396,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-08T20:15:04.000Z","date":"2024-10-07","kind":"sale","planned":false,"acquired":false,"shares":82429,"price":0.6,"value":49457.4,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.6044 to $0.6051, inclusive."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":40601438,"source":{"system":"sec-edgar","filing":"0000950170-24-113538","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024113538/ownership.xml","form_type":"4"}},{"id":1389395,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-08T20:15:04.000Z","date":"2024-10-04","kind":"sale","planned":false,"acquired":false,"shares":100000,"price":0.61,"value":61000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.6130 to $0.6131, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":40683867,"source":{"system":"sec-edgar","filing":"0000950170-24-113538","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024113538/ownership.xml","form_type":"4"}},{"id":1389841,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Units of Net Power Operations LLC","published_at":"2024-10-07T22:47:16.000Z","date":"2024-09-25","kind":"exercise","planned":false,"acquired":false,"shares":1015000,"price":0,"value":0.0,"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 September 25, 2024, NPEH, LLC (\"NPEH\") exchanged 1,015,000 Class A Units of NET Power Operations LLC for 1,015,000 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 September 25, 2024, NPEH, LLC (\"NPEH\") exchanged 1,015,000 Class A Units of NET Power Operations LLC for 1,015,000 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 September 25, 2024, NPEH, LLC (\"NPEH\") exchanged 1,015,000 Class A Units of NET Power Operations LLC for 1,015,000 shares of the Issuer's Class A Common Stock."},{"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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":27990300,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1015000},"source":{"system":"sec-edgar","filing":"0001104659-24-106772","document":"tm2425771-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924106772/tm2425771-2_4seq1.xml","form_type":"4"}},{"id":1389840,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-07T22:47:16.000Z","date":"2024-10-07","kind":"sale","planned":false,"acquired":false,"shares":54922,"price":7.0015,"value":384536.383,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F8","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 $7.00 to $7.02. 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":960078,"source":{"system":"sec-edgar","filing":"0001104659-24-106772","document":"tm2425771-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924106772/tm2425771-2_4seq1.xml","form_type":"4"}},{"id":1389839,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-07T22:47:16.000Z","date":"2024-10-07","kind":"sale","planned":false,"acquired":false,"shares":8871,"price":7.0057,"value":62147.5647,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","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 $7.00 to $7.04. The Reporting Person 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":0,"source":{"system":"sec-edgar","filing":"0001104659-24-106772","document":"tm2425771-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924106772/tm2425771-2_4seq1.xml","form_type":"4"}},{"id":1389838,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-07T22:47:16.000Z","date":"2024-10-04","kind":"sale","planned":false,"acquired":false,"shares":5419,"price":7.0062,"value":37966.5978,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","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 $7.00 to $7.04. The Reporting Person 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":8871,"source":{"system":"sec-edgar","filing":"0001104659-24-106772","document":"tm2425771-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924106772/tm2425771-2_4seq1.xml","form_type":"4"}},{"id":1389837,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-07T22:47:16.000Z","date":"2024-10-03","kind":"sale","planned":false,"acquired":false,"shares":10433,"price":7.0021,"value":73052.9093,"ownership":{"direct":true},"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 $7.00 to $7.03. The Reporting Person 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":14290,"source":{"system":"sec-edgar","filing":"0001104659-24-106772","document":"tm2425771-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924106772/tm2425771-2_4seq1.xml","form_type":"4"}},{"id":1389836,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2024-10-07T22:47:16.000Z","date":"2024-09-25","kind":"other","planned":false,"acquired":false,"shares":1015000,"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 1,015,000 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 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":27990300,"source":{"system":"sec-edgar","filing":"0001104659-24-106772","document":"tm2425771-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924106772/tm2425771-2_4seq1.xml","form_type":"4"}},{"id":1389835,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-07T22:47:16.000Z","date":"2024-09-25","kind":"exercise","planned":false,"acquired":true,"shares":1015000,"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 September 25, 2024, NPEH, LLC (\"NPEH\") exchanged 1,015,000 Class A Units of NET Power Operations LLC for 1,015,000 shares of the Issuer's Class A Common Stock."},{"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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":1015000,"source":{"system":"sec-edgar","filing":"0001104659-24-106772","document":"tm2425771-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924106772/tm2425771-2_4seq1.xml","form_type":"4"}},{"id":1390832,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-04T21:52:53.000Z","date":"2024-10-03","kind":"sale","planned":false,"acquired":false,"shares":587,"price":0.6,"value":352.2,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":40783867,"source":{"system":"sec-edgar","filing":"0000950170-24-112990","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024112990/ownership.xml","form_type":"4"}},{"id":1390831,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-04T21:52:53.000Z","date":"2024-10-02","kind":"sale","planned":false,"acquired":false,"shares":243951,"price":0.6,"value":146370.6,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.6018 to $0.6023, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":40784454,"source":{"system":"sec-edgar","filing":"0000950170-24-112990","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024112990/ownership.xml","form_type":"4"}},{"id":1393587,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-02T21:28:41.000Z","date":"2024-09-30","kind":"sale","planned":false,"acquired":false,"shares":46585,"price":7.0685,"value":329286.0725,"ownership":{"direct":true},"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 $7.00 to $7.20. The Reporting Person 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":24723,"source":{"system":"sec-edgar","filing":"0001104659-24-105501","document":"tm2425478-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924105501/tm2425478-1_4seq1.xml","form_type":"4"}},{"id":1393586,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-02T21:27:35.000Z","date":"2024-09-23","kind":"sale","planned":false,"acquired":false,"shares":1764,"price":7.002,"value":12351.528,"ownership":{"direct":true},"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 $7.00 to $7.05. The Reporting Person 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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"This amendment is being filed to correct an administrative error in reporting the number of shares of Class A Common Stock sold by the Reporting Person on September 20, 2024 and the resulting errors in the number of shares of Class A Common Stock beneficially owned following the reported transactions."}],"balance_after":71308,"source":{"system":"sec-edgar","filing":"0001104659-24-105497","document":"tm2425478-2_4aseq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924105497/tm2425478-2_4aseq1.xml","form_type":"4/A","original_submission_date":"2024-09-24"}},{"id":1393585,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-02T21:27:35.000Z","date":"2024-09-20","kind":"sale","planned":false,"acquired":false,"shares":26928,"price":7.0036,"value":188592.9408,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This amendment is being filed to correct an administrative error in reporting the number of shares of Class A Common Stock sold by the Reporting Person on September 20, 2024 and the resulting errors in the number of shares of Class A Common Stock beneficially owned following the reported transactions."},{"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 $7.00 to $7.03. The Reporting Person 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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"This amendment is being filed to correct an administrative error in reporting the number of shares of Class A Common Stock sold by the Reporting Person on September 20, 2024 and the resulting errors in the number of shares of Class A Common Stock beneficially owned following the reported transactions."}],"balance_after":73072,"source":{"system":"sec-edgar","filing":"0001104659-24-105497","document":"tm2425478-2_4aseq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924105497/tm2425478-2_4aseq1.xml","form_type":"4/A","original_submission_date":"2024-09-24"}},{"id":1394661,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-02T21:09:14.000Z","date":"2024-10-01","kind":"sale","planned":false,"acquired":false,"shares":908178,"price":0.61,"value":553988.58,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.6076 to $0.6083, inclusive."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":41028405,"source":{"system":"sec-edgar","filing":"0000950170-24-111637","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024111637/ownership.xml","form_type":"4"}},{"id":1394660,"issuer":{"id":2220,"kind":"organization","name":"SES AI Corp","symbol":"SES"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-10-02T21:09:14.000Z","date":"2024-09-30","kind":"sale","planned":false,"acquired":false,"shares":71176,"price":0.7,"value":49823.2,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.7014 to $0.7056, inclusive. The Reporting Person undertakes to provide to SES AI Corp., any security holder of SES AI Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,829,028 Earn-Out Shares."}],"balance_after":41936583,"source":{"system":"sec-edgar","filing":"0000950170-24-111637","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819142/000095017024111637/ownership.xml","form_type":"4"}},{"id":1399842,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-24T21:58:53.000Z","date":"2024-09-23","kind":"sale","planned":false,"acquired":false,"shares":1764,"price":7.002,"value":12351.528,"ownership":{"direct":true},"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 $7.00 to $7.05. The Reporting Person 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":71310,"source":{"system":"sec-edgar","filing":"0001104659-24-102501","document":"tm2424666-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924102501/tm2424666-1_4seq1.xml","form_type":"4"}},{"id":1399841,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-24T21:58:53.000Z","date":"2024-09-20","kind":"sale","planned":false,"acquired":false,"shares":26926,"price":7.0036,"value":188578.9336,"ownership":{"direct":true},"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 $7.00 to $7.03. The Reporting Person 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":73074,"source":{"system":"sec-edgar","filing":"0001104659-24-102501","document":"tm2424666-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924102501/tm2424666-1_4seq1.xml","form_type":"4"}},{"id":1402106,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-19T23:15:14.000Z","date":"2024-09-19","kind":"sale","planned":false,"acquired":false,"shares":400000,"price":7.0509,"value":2820360.0,"ownership":{"direct":true},"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 $7.005 to $7.16. The Reporting Persons 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":100000,"source":{"system":"sec-edgar","filing":"0001104659-24-101442","document":"tm2424426-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924101442/tm2424426-2_4seq1.xml","form_type":"4"}},{"id":1402105,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-19T23:15:14.000Z","date":"2024-09-19","kind":"sale","planned":false,"acquired":false,"shares":342364,"price":7.0568,"value":2415994.2752,"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 $7.00 to $7.11. 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001104659-24-101442","document":"tm2424426-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924101442/tm2424426-2_4seq1.xml","form_type":"4"}},{"id":1402104,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-19T23:15:14.000Z","date":"2024-09-18","kind":"sale","planned":false,"acquired":false,"shares":80122,"price":7.0211,"value":562544.5742,"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 $7.00 to $7.06. 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":"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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":342364,"source":{"system":"sec-edgar","filing":"0001104659-24-101442","document":"tm2424426-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924101442/tm2424426-2_4seq1.xml","form_type":"4"}},{"id":1402103,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-19T23:15:14.000Z","date":"2024-09-17","kind":"sale","planned":false,"acquired":false,"shares":144959,"price":7.0392,"value":1020395.3928,"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 $7.00 to $7.115. 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":"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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":422486,"source":{"system":"sec-edgar","filing":"0001104659-24-101442","document":"tm2424426-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924101442/tm2424426-2_4seq1.xml","form_type":"4"}},{"id":1406274,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Units of Net Power Operations LLC","published_at":"2024-09-17T01:57:58.000Z","date":"2024-09-16","kind":"exercise","planned":false,"acquired":false,"shares":500000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","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 September 16, 2024, NPEH exchanged 500,000 Class A Units of NET Power Operations LLC for 500,000 shares of the Issuer's Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","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 September 16, 2024, NPEH exchanged 500,000 Class A Units of NET Power Operations LLC for 500,000 shares of the Issuer's Class A Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","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 September 16, 2024, NPEH exchanged 500,000 Class A Units of NET Power Operations LLC for 500,000 shares of the Issuer's Class A Common Stock."},{"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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":29005300,"derivative":{"underlying":"Class A Common Stock","underlying_shares":500000},"source":{"system":"sec-edgar","filing":"0001104659-24-100354","document":"tm2424151-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924100354/tm2424151-2_4seq1.xml","form_type":"4"}},{"id":1406273,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2024-09-17T01:57:58.000Z","date":"2024-09-16","kind":"other","planned":false,"acquired":false,"shares":500000,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","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 500,000 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":"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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":29005300,"source":{"system":"sec-edgar","filing":"0001104659-24-100354","document":"tm2424151-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924100354/tm2424151-2_4seq1.xml","form_type":"4"}},{"id":1406272,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-17T01:57:58.000Z","date":"2024-09-16","kind":"exercise","planned":false,"acquired":true,"shares":500000,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","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 September 16, 2024, NPEH exchanged 500,000 Class A Units of NET Power Operations LLC for 500,000 shares of the Issuer's Class A Common Stock."},{"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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":567445,"source":{"system":"sec-edgar","filing":"0001104659-24-100354","document":"tm2424151-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924100354/tm2424151-2_4seq1.xml","form_type":"4"}},{"id":1406271,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-17T01:57:58.000Z","date":"2024-09-16","kind":"sale","planned":false,"acquired":false,"shares":36752,"price":7.0506,"value":259123.6512,"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 $7.00 to $7.11. 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":67445,"source":{"system":"sec-edgar","filing":"0001104659-24-100354","document":"tm2424151-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924100354/tm2424151-2_4seq1.xml","form_type":"4"}},{"id":1406270,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-17T01:57:58.000Z","date":"2024-09-13","kind":"sale","planned":false,"acquired":false,"shares":1340,"price":7.2596,"value":9727.864,"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 $7.25 to $7.30. 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":104197,"source":{"system":"sec-edgar","filing":"0001104659-24-100354","document":"tm2424151-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924100354/tm2424151-2_4seq1.xml","form_type":"4"}},{"id":1406269,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-17T01:57:58.000Z","date":"2024-09-12","kind":"sale","planned":false,"acquired":false,"shares":2315,"price":7.2635,"value":16815.0025,"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 $7.25 to $7.29. 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":105537,"source":{"system":"sec-edgar","filing":"0001104659-24-100354","document":"tm2424151-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924100354/tm2424151-2_4seq1.xml","form_type":"4"}},{"id":1409331,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-12T00:07:49.000Z","date":"2024-09-11","kind":"sale","planned":false,"acquired":false,"shares":21155,"price":7.2844,"value":154101.482,"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 $7.25 to $7.32. 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":107852,"source":{"system":"sec-edgar","filing":"0001104659-24-099026","document":"tm2423838-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924099026/tm2423838-1_4seq1.xml","form_type":"4"}},{"id":1409330,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-12T00:07:49.000Z","date":"2024-09-10","kind":"sale","planned":false,"acquired":false,"shares":300,"price":7.31,"value":2193.0,"ownership":{"direct":false,"nature":"By: NPEH, LLC"},"footnotes":[{"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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":129007,"source":{"system":"sec-edgar","filing":"0001104659-24-099026","document":"tm2423838-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924099026/tm2423838-1_4seq1.xml","form_type":"4"}},{"id":1409329,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-12T00:07:49.000Z","date":"2024-09-09","kind":"sale","planned":false,"acquired":false,"shares":60022,"price":7.6045,"value":456437.299,"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 $7.400 to $7.905. 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":129307,"source":{"system":"sec-edgar","filing":"0001104659-24-099026","document":"tm2423838-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924099026/tm2423838-1_4seq1.xml","form_type":"4"}},{"id":1412457,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Units of NET Power Operations LLC","published_at":"2024-09-07T01:28:36.000Z","date":"2024-09-03","kind":"exercise","planned":false,"acquired":false,"shares":500000,"price":0,"value":0.0,"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 September 3, 2024, NPEH, LLC (\"NPEH\") exchanged 500,000 Class A Units of NET Power Operations LLC for 500,000 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 September 3, 2024, NPEH, LLC (\"NPEH\") exchanged 500,000 Class A Units of NET Power Operations LLC for 500,000 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 September 3, 2024, NPEH, LLC (\"NPEH\") exchanged 500,000 Class A Units of NET Power Operations LLC for 500,000 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":29505300,"derivative":{"underlying":"Class A Common Stock","underlying_shares":500000},"source":{"system":"sec-edgar","filing":"0001104659-24-097889","document":"tm2423525-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924097889/tm2423525-1_4seq1.xml","form_type":"4"}},{"id":1412456,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-07T01:28:36.000Z","date":"2024-09-06","kind":"sale","planned":false,"acquired":false,"shares":66825,"price":7.8831,"value":526788.1575,"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 $7.77 to $7.96. 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":189329,"source":{"system":"sec-edgar","filing":"0001104659-24-097889","document":"tm2423525-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924097889/tm2423525-1_4seq1.xml","form_type":"4"}},{"id":1412455,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-07T01:28:36.000Z","date":"2024-09-05","kind":"sale","planned":false,"acquired":false,"shares":160521,"price":7.9367,"value":1274007.0207,"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 $7.86 to $8.05. 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":"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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":256154,"source":{"system":"sec-edgar","filing":"0001104659-24-097889","document":"tm2423525-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924097889/tm2423525-1_4seq1.xml","form_type":"4"}},{"id":1412454,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-07T01:28:36.000Z","date":"2024-09-04","kind":"sale","planned":false,"acquired":false,"shares":83325,"price":8.1043,"value":675290.7975,"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 $7.97 to $8.20. 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":416675,"source":{"system":"sec-edgar","filing":"0001104659-24-097889","document":"tm2423525-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924097889/tm2423525-1_4seq1.xml","form_type":"4"}},{"id":1412453,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2024-09-07T01:28:36.000Z","date":"2024-09-03","kind":"other","planned":false,"acquired":false,"shares":500000,"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 500,000 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":29505300,"source":{"system":"sec-edgar","filing":"0001104659-24-097889","document":"tm2423525-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924097889/tm2423525-1_4seq1.xml","form_type":"4"}},{"id":1412452,"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":77036,"kind":"organization","name":"SK INC.","position":2,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-09-07T01:28:36.000Z","date":"2024-09-03","kind":"exercise","planned":false,"acquired":true,"shares":500000,"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 September 3, 2024, NPEH, LLC (\"NPEH\") exchanged 500,000 Class A Units of NET Power Operations LLC for 500,000 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":"SK Inc. (\"SK\") indirectly beneficially owns 100.0% of each of Tillandsia, Inc. (\"Tillandsia\"), Areca, Inc. (\"Areca\") and Chamaedorea, Inc. (\"Chamaedorea\"). Each of Tillandsia, Areca and Chamaedorea beneficially owns approximately 18.06%, 25.02% and 23.41%, respectively, of the voting units of 8 Rivers and thus SK may be deemed to be a beneficial owner of the securities beneficially owned by 8 Rivers and NPEH. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":500000,"source":{"system":"sec-edgar","filing":"0001104659-24-097889","document":"tm2423525-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924097889/tm2423525-1_4seq1.xml","form_type":"4"}},{"id":1499855,"issuer":{"id":6500,"kind":"organization","name":"Net Power Inc.","symbol":"NPWR"},"owners":[{"id":77036,"kind":"organization","name":"SK INC.","position":1,"cik":"0001947998","reported_name":"SK INC.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2024-05-28T17:28:48.000Z","date":"2024-05-23","kind":"sale","planned":false,"acquired":false,"shares":2500000,"price":10.04,"value":25100000.0,"ownership":{"direct":false,"nature":"By: Tillandsia"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On May 23, 2024, Tillandsia, Inc (\"Tillandsia\") sold 2,500,000 shares of Class A Common Stock pursuant to a block trade through its placement manager, Citigroup Global Markets Limited, at a price of $10.04 per share."},{"field":"shares","element":"transactionShares","label":"F2","text":"As holder of 100.0% of the outstanding equity in Tillandsia, SK Inc. (\"SK\") may be deemed to be a beneficial owner of the securities directly owned by Tillandsia. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"As holder of 100.0% of the outstanding equity in Tillandsia, SK Inc. (\"SK\") may be deemed to be a beneficial owner of the securities directly owned by Tillandsia. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"As holder of 100.0% of the outstanding equity in Tillandsia, SK Inc. (\"SK\") may be deemed to be a beneficial owner of the securities directly owned by Tillandsia. SK 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 SK is the beneficial owner of such securities for purposes of Section 16 or otherwise."}],"balance_after":2500000,"source":{"system":"sec-edgar","filing":"0001104659-24-065503","document":"tm2415415-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1845437/000110465924065503/tm2415415-2_4seq1.xml","form_type":"4"}}]}