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Ion Yadigaroglu disclaims beneficial ownership of such holdings, except to the extent of his pecuniary interest in the shares."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":8173141},"source":{"system":"sec-edgar","filing":"0001628280-26-035968","document":"wk-form4_1779136247.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1853868/000162828026035968/wk-form4_1779136247.xml","form_type":"4"}},{"id":775222,"issuer":{"id":3806,"kind":"organization","name":"Fervo Energy Co"},"owners":[{"id":46485,"kind":"person","name":"Yadigaroglu Ion","position":1,"cik":"0001607971","reported_name":"Yadigaroglu Ion","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series D-1 Preferred Stock","published_at":"2026-05-18T20:30:50.000Z","date":"2026-05-14","kind":"exercise","planned":false,"acquired":false,"shares":4261341,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Following the transactions reported herein, consists of (i) 12,055,467 shares of Class A Common Stock held by Technology Impact Fund, LP, (ii) 14,962,430 shares of Class A Common Stock held by Technology Impact Growth Fund, II, L.P., (iii) 5,448,761 shares of Class A Common Stock held by TIGF II Direct Strategies LLC - Series 5 and (iv) 1,760,732 shares of Class A Common Stock held by TIGF II Direct Strategies LLC - Series 7."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"TIF Partners, LLC is the general partner of Technology Impact Fund, LP and TIGF Partners II, LLC is the general partner of Technology Impact Growth Fund, II, L.P. and the manager of (i) TIGF II Direct Strategies LLC - Series 5 and (ii) TIGF II Direct Strategies LLC - Series 7. Ion Yadigaroglu, as a manager of TIF Partners, LLC and TIGF Partners II, LLC, shares the power to vote and dispose of the shares held by Technology Impact Fund, LP, Technology Impact Growth Fund, II, L.P., TIGF II Direct Strategies LLC - Series 5 and TIGF II Direct Strategies LLC - Series 7. Ion Yadigaroglu disclaims beneficial ownership of such holdings, except to the extent of his pecuniary interest in the shares."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":4261341},"source":{"system":"sec-edgar","filing":"0001628280-26-035968","document":"wk-form4_1779136247.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1853868/000162828026035968/wk-form4_1779136247.xml","form_type":"4"}},{"id":775221,"issuer":{"id":3806,"kind":"organization","name":"Fervo Energy Co"},"owners":[{"id":46485,"kind":"person","name":"Yadigaroglu Ion","position":1,"cik":"0001607971","reported_name":"Yadigaroglu Ion","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series C-3 Preferred Stock","published_at":"2026-05-18T20:30:50.000Z","date":"2026-05-14","kind":"exercise","planned":false,"acquired":false,"shares":4266992,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Following the transactions reported herein, consists of (i) 12,055,467 shares of Class A Common Stock held by Technology Impact Fund, LP, (ii) 14,962,430 shares of Class A Common Stock held by Technology Impact Growth Fund, II, L.P., (iii) 5,448,761 shares of Class A Common Stock held by TIGF II Direct Strategies LLC - Series 5 and (iv) 1,760,732 shares of Class A Common Stock held by TIGF II Direct Strategies LLC - Series 7."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"TIF Partners, LLC is the general partner of Technology Impact Fund, LP and TIGF Partners II, LLC is the general partner of Technology Impact Growth Fund, II, L.P. and the manager of (i) TIGF II Direct Strategies LLC - Series 5 and (ii) TIGF II Direct Strategies LLC - Series 7. Ion Yadigaroglu, as a manager of TIF Partners, LLC and TIGF Partners II, LLC, shares the power to vote and dispose of the shares held by Technology Impact Fund, LP, Technology Impact Growth Fund, II, L.P., TIGF II Direct Strategies LLC - Series 5 and TIGF II Direct Strategies LLC - Series 7. Ion Yadigaroglu disclaims beneficial ownership of such holdings, except to the extent of his pecuniary interest in the shares."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":4266992},"source":{"system":"sec-edgar","filing":"0001628280-26-035968","document":"wk-form4_1779136247.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1853868/000162828026035968/wk-form4_1779136247.xml","form_type":"4"}},{"id":775220,"issuer":{"id":3806,"kind":"organization","name":"Fervo Energy Co"},"owners":[{"id":46485,"kind":"person","name":"Yadigaroglu Ion","position":1,"cik":"0001607971","reported_name":"Yadigaroglu Ion","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series C-1 Preferred Stock","published_at":"2026-05-18T20:30:50.000Z","date":"2026-05-14","kind":"exercise","planned":false,"acquired":false,"shares":8523393,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Following the transactions reported herein, consists of (i) 12,055,467 shares of Class A Common Stock held by Technology Impact Fund, LP, (ii) 14,962,430 shares of Class A Common Stock held by Technology Impact Growth Fund, II, L.P., (iii) 5,448,761 shares of Class A Common Stock held by TIGF II Direct Strategies LLC - Series 5 and (iv) 1,760,732 shares of Class A Common Stock held by TIGF II Direct Strategies LLC - Series 7."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"TIF Partners, LLC is the general partner of Technology Impact Fund, LP and TIGF Partners II, LLC is the general partner of Technology Impact Growth Fund, II, L.P. and the manager of (i) TIGF II Direct Strategies LLC - Series 5 and (ii) TIGF II Direct Strategies LLC - Series 7. Ion Yadigaroglu, as a manager of TIF Partners, LLC and TIGF Partners II, LLC, shares the power to vote and dispose of the shares held by Technology Impact Fund, LP, Technology Impact Growth Fund, II, L.P., TIGF II Direct Strategies LLC - Series 5 and TIGF II Direct Strategies LLC - Series 7. Ion Yadigaroglu disclaims beneficial ownership of such holdings, except to the extent of his pecuniary interest in the shares."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":8523393},"source":{"system":"sec-edgar","filing":"0001628280-26-035968","document":"wk-form4_1779136247.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1853868/000162828026035968/wk-form4_1779136247.xml","form_type":"4"}},{"id":775219,"issuer":{"id":3806,"kind":"organization","name":"Fervo Energy Co"},"owners":[{"id":46485,"kind":"person","name":"Yadigaroglu Ion","position":1,"cik":"0001607971","reported_name":"Yadigaroglu Ion","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series B Preferred Stock","published_at":"2026-05-18T20:30:50.000Z","date":"2026-05-14","kind":"exercise","planned":false,"acquired":false,"shares":6368028,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Following the transactions reported herein, consists of (i) 12,055,467 shares of Class A Common Stock held by Technology Impact Fund, LP, (ii) 14,962,430 shares of Class A Common Stock held by Technology Impact Growth Fund, II, L.P., (iii) 5,448,761 shares of Class A Common Stock held by TIGF II Direct Strategies LLC - Series 5 and (iv) 1,760,732 shares of Class A Common Stock held by TIGF II Direct Strategies LLC - Series 7."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"TIF Partners, LLC is the general partner of Technology Impact Fund, LP and TIGF Partners II, LLC is the general partner of Technology Impact Growth Fund, II, L.P. and the manager of (i) TIGF II Direct Strategies LLC - Series 5 and (ii) TIGF II Direct Strategies LLC - Series 7. Ion Yadigaroglu, as a manager of TIF Partners, LLC and TIGF Partners II, LLC, shares the power to vote and dispose of the shares held by Technology Impact Fund, LP, Technology Impact Growth Fund, II, L.P., TIGF II Direct Strategies LLC - Series 5 and TIGF II Direct Strategies LLC - Series 7. Ion Yadigaroglu disclaims beneficial ownership of such holdings, except to the extent of his pecuniary interest in the shares."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":6368028},"source":{"system":"sec-edgar","filing":"0001628280-26-035968","document":"wk-form4_1779136247.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1853868/000162828026035968/wk-form4_1779136247.xml","form_type":"4"}},{"id":775218,"issuer":{"id":3806,"kind":"organization","name":"Fervo Energy Co"},"owners":[{"id":46485,"kind":"person","name":"Yadigaroglu Ion","position":1,"cik":"0001607971","reported_name":"Yadigaroglu Ion","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Restricted Stock Units","published_at":"2026-05-18T20:30:50.000Z","date":"2026-05-14","kind":"grant","planned":false,"acquired":true,"shares":9259,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Issuer's Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The RSUs will vest in full on the earlier of the Issuer's 2027 Annual Meeting or May 14, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"The RSUs will vest in full on the earlier of the Issuer's 2027 Annual Meeting or May 14, 2027."}],"balance_after":9259,"derivative":{"underlying":"Class A Common Stock","underlying_shares":9259},"source":{"system":"sec-edgar","filing":"0001628280-26-035968","document":"wk-form4_1779136247.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1853868/000162828026035968/wk-form4_1779136247.xml","form_type":"4"}},{"id":775217,"issuer":{"id":3806,"kind":"organization","name":"Fervo Energy Co"},"owners":[{"id":46485,"kind":"person","name":"Yadigaroglu Ion","position":1,"cik":"0001607971","reported_name":"Yadigaroglu Ion","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series E-1 Preferred Stock","published_at":"2026-05-18T20:30:50.000Z","date":"2025-12-04","kind":"grant","planned":false,"acquired":true,"shares":2634495,"price":11.36,"value":29927863.2,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"date","element":"transactionDate","label":"F4","text":"This transaction occurred prior to the Issuer's registration of a class of equity securities under Section 12 of the Securities Exchange Act of 1934, as amended, in connection with the Issuer's initial public offering, and is reported herein pursuant to Rule 16a-2(a)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Following the transactions reported herein, consists of (i) 12,055,467 shares of Class A Common Stock held by Technology Impact Fund, LP, (ii) 14,962,430 shares of Class A Common Stock held by Technology Impact Growth Fund, II, L.P., (iii) 5,448,761 shares of Class A Common Stock held by TIGF II Direct Strategies LLC - Series 5 and (iv) 1,760,732 shares of Class A Common Stock held by TIGF II Direct Strategies LLC - Series 7."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"TIF Partners, LLC is the general partner of Technology Impact Fund, LP and TIGF Partners II, LLC is the general partner of Technology Impact Growth Fund, II, L.P. and the manager of (i) TIGF II Direct Strategies LLC - Series 5 and (ii) TIGF II Direct Strategies LLC - Series 7. Ion Yadigaroglu, as a manager of TIF Partners, LLC and TIGF Partners II, LLC, shares the power to vote and dispose of the shares held by Technology Impact Fund, LP, Technology Impact Growth Fund, II, L.P., TIGF II Direct Strategies LLC - Series 5 and TIGF II Direct Strategies LLC - Series 7. Ion Yadigaroglu disclaims beneficial ownership of such holdings, except to the extent of his pecuniary interest in the shares."}],"balance_after":2634495,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2634495},"source":{"system":"sec-edgar","filing":"0001628280-26-035968","document":"wk-form4_1779136247.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1853868/000162828026035968/wk-form4_1779136247.xml","form_type":"4"}},{"id":775216,"issuer":{"id":3806,"kind":"organization","name":"Fervo Energy Co"},"owners":[{"id":46485,"kind":"person","name":"Yadigaroglu Ion","position":1,"cik":"0001607971","reported_name":"Yadigaroglu Ion","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-05-18T20:30:50.000Z","date":"2026-05-14","kind":"exercise","planned":false,"acquired":true,"shares":34227390,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of the Series B, Series C-1, Series C-3, Series D-1, Series D-3 and Series E-1 Preferred Stock converted into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms and has no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Following the transactions reported herein, consists of (i) 12,055,467 shares of Class A Common Stock held by Technology Impact Fund, LP, (ii) 14,962,430 shares of Class A Common Stock held by Technology Impact Growth Fund, II, L.P., (iii) 5,448,761 shares of Class A Common Stock held by TIGF II Direct Strategies LLC - Series 5 and (iv) 1,760,732 shares of Class A Common Stock held by TIGF II Direct Strategies LLC - Series 7."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"TIF Partners, LLC is the general partner of Technology Impact Fund, LP and TIGF Partners II, LLC is the general partner of Technology Impact Growth Fund, II, L.P. and the manager of (i) TIGF II Direct Strategies LLC - Series 5 and (ii) TIGF II Direct Strategies LLC - Series 7. 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