{"transactions":[{"id":818667,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Restricted Stock Units","published_at":"2026-04-02T16:50:13.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":54773,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"On March 31, 2026, the Reporting Person was granted 54,773 RSUs pursuant to the terms of the Issuer's 2022 Omnibus Equity Incentive Plan. The RSUs are scheduled to vest on March 31, 2027,\nprovided that the Reporting Person continues to provide services to the Issuer through the applicable vesting date. Each restricted stock unit represents the right to receive, at settlement, one share of\nClass A common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On March 31, 2026, the Reporting Person was granted 54,773 RSUs pursuant to the terms of the Issuer's 2022 Omnibus Equity Incentive Plan. The RSUs are scheduled to vest on March 31, 2027,\nprovided that the Reporting Person continues to provide services to the Issuer through the applicable vesting date. Each restricted stock unit represents the right to receive, at settlement, one share of\nClass A common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On March 31, 2026, the Reporting Person was granted 54,773 RSUs pursuant to the terms of the Issuer's 2022 Omnibus Equity Incentive Plan. The RSUs are scheduled to vest on March 31, 2027,\nprovided that the Reporting Person continues to provide services to the Issuer through the applicable vesting date. Each restricted stock unit represents the right to receive, at settlement, one share of\nClass A common stock."}],"balance_after":54773,"derivative":{"underlying":"Class A common stock","underlying_shares":54773},"source":{"system":"sec-edgar","filing":"0001628280-26-023272","document":"wk-form4_1775163010.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000162828026023272/wk-form4_1775163010.xml","form_type":"4"}},{"id":818666,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Restricted Stock Units","published_at":"2026-04-02T16:50:13.000Z","date":"2026-03-31","kind":"exercise","planned":false,"acquired":false,"shares":66073,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A\ncommon stock on their scheduled vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A\ncommon stock on their scheduled vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A\ncommon stock on their scheduled vesting date."}],"balance_after":0,"derivative":{"underlying":"Class A common stock","underlying_shares":66073},"source":{"system":"sec-edgar","filing":"0001628280-26-023272","document":"wk-form4_1775163010.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000162828026023272/wk-form4_1775163010.xml","form_type":"4"}},{"id":818665,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A common stock","published_at":"2026-04-02T16:50:13.000Z","date":"2026-03-31","kind":"exercise","planned":false,"acquired":true,"shares":66073,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A\ncommon stock on their scheduled vesting date."}],"balance_after":122785,"source":{"system":"sec-edgar","filing":"0001628280-26-023272","document":"wk-form4_1775163010.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000162828026023272/wk-form4_1775163010.xml","form_type":"4"}},{"id":852905,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Warrants (right to buy)","published_at":"2026-03-09T17:25:21.000Z","date":"2026-03-06","kind":"purchase","planned":false,"acquired":true,"shares":3000000,"ownership":{"direct":false,"nature":"Through Fortistar LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On March 6 2026, OPAL Fuels LLC, a subsidiary of OPAL Fuels Inc., entered into a transaction with an affiliate of Fortistar LLC (the Investor).  In connection with the underlying documentation, the Company issued the Investor a warrant (the Warrant) to purchase up to 3,000,000 shares of Class A Common Stock (the Warrant Shares) of OPAL Fuels Inc., issuable in multiple tranches and subject to forfeiture under certain conditions.  For more details, refer to the Form 8-K filed by OPAL Fuels Inc. on March 9, 2026."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On March 6 2026, OPAL Fuels LLC, a subsidiary of OPAL Fuels Inc., entered into a transaction with an affiliate of Fortistar LLC (the Investor).  In connection with the underlying documentation, the Company issued the Investor a warrant (the Warrant) to purchase up to 3,000,000 shares of Class A Common Stock (the Warrant Shares) of OPAL Fuels Inc., issuable in multiple tranches and subject to forfeiture under certain conditions.  For more details, refer to the Form 8-K filed by OPAL Fuels Inc. on March 9, 2026."}],"balance_after":3000000,"derivative":{"exercise_price":2.67,"expiration_date":"2034-03-06","underlying":"Class A common stock","underlying_shares":3000000},"source":{"system":"sec-edgar","filing":"0001628280-26-016134","document":"wk-form4_1773091518.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000162828026016134/wk-form4_1773091518.xml","form_type":"4"}},{"id":1166957,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B common stock","published_at":"2025-04-23T16:37:54.000Z","date":"2025-04-22","kind":"exercise","planned":false,"acquired":true,"shares":50000000,"ownership":{"direct":false,"nature":"Through OPAL HoldCo LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to the Certificate of Incorporation of OPAL Fuels Inc. (the \"Company\"),  each share of Class D Common Stock is convertible into one share of Class B Common Stock at the option of the holder thereof. No conversion price is required to be paid in connection with such conversion."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On April 22, 2025, OPAL HoldCo LLC delivered notice to the Company of its election to convert 50,000,000 shares of Class D Shares into a corresponding number of shares of Class B common stock. The reporting person is the Chairman of the Board of Directors of the Company and the President of Fortistar Renewables LLC, which is the Manager of OPAL HoldCo LLC. The reporting person is also the President of OPAL HoldCo LLC. Through Fortistar LLC and various other subsidiaries of Fortistar LLC, the reporting person controls OPAL Holdco LLC. The reporting person disclaims beneficial ownership of all securities reported in this Form 4 except to the extent of his pecuniary interest therein, other than those securities reported herein as being held directly by such reporting person."}],"balance_after":121500000,"source":{"system":"sec-edgar","filing":"0001628280-25-019380","document":"wk-form4_1745440659.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000162828025019380/wk-form4_1745440659.xml","form_type":"4"}},{"id":1166956,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class D common stock","published_at":"2025-04-23T16:37:54.000Z","date":"2025-04-22","kind":"exercise","planned":false,"acquired":false,"shares":50000000,"ownership":{"direct":false,"nature":"Through OPAL HoldCo LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to the Certificate of Incorporation of OPAL Fuels Inc. (the \"Company\"),  each share of Class D Common Stock is convertible into one share of Class B Common Stock at the option of the holder thereof. No conversion price is required to be paid in connection with such conversion."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On April 22, 2025, OPAL HoldCo LLC delivered notice to the Company of its election to convert 50,000,000 shares of Class D Shares into a corresponding number of shares of Class B common stock. The reporting person is the Chairman of the Board of Directors of the Company and the President of Fortistar Renewables LLC, which is the Manager of OPAL HoldCo LLC. The reporting person is also the President of OPAL HoldCo LLC. Through Fortistar LLC and various other subsidiaries of Fortistar LLC, the reporting person controls OPAL Holdco LLC. The reporting person disclaims beneficial ownership of all securities reported in this Form 4 except to the extent of his pecuniary interest therein, other than those securities reported herein as being held directly by such reporting person."}],"balance_after":20877450,"source":{"system":"sec-edgar","filing":"0001628280-25-019380","document":"wk-form4_1745440659.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000162828025019380/wk-form4_1745440659.xml","form_type":"4"}},{"id":1182306,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-04-02T17:53:34.000Z","date":"2025-03-31","kind":"grant","planned":false,"acquired":true,"shares":66073,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"On March 31, 2025, the Reporting Person was granted 66,073 RSUs pursuant to the terms of the Issuer's 2022 Omnibus Equity Incentive Plan. The RSUs are scheduled to vest on March 31, 2026, provided that the Reporting Person continues to provide services to the Issuer through the applicable vesting date. Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On March 31, 2025, the Reporting Person was granted 66,073 RSUs pursuant to the terms of the Issuer's 2022 Omnibus Equity Incentive Plan. The RSUs are scheduled to vest on March 31, 2026, provided that the Reporting Person continues to provide services to the Issuer through the applicable vesting date. Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On March 31, 2025, the Reporting Person was granted 66,073 RSUs pursuant to the terms of the Issuer's 2022 Omnibus Equity Incentive Plan. The RSUs are scheduled to vest on March 31, 2026, provided that the Reporting Person continues to provide services to the Issuer through the applicable vesting date. Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock."}],"balance_after":66073,"derivative":{"underlying":"Class A common stock","underlying_shares":66073},"source":{"system":"sec-edgar","filing":"0001628280-25-016302","document":"wk-form4_1743630808.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000162828025016302/wk-form4_1743630808.xml","form_type":"4"}},{"id":1182305,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-04-02T17:53:34.000Z","date":"2025-03-31","kind":"exercise","planned":false,"acquired":false,"shares":27218,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date."}],"balance_after":0,"derivative":{"underlying":"Class A common stock","underlying_shares":27218},"source":{"system":"sec-edgar","filing":"0001628280-25-016302","document":"wk-form4_1743630808.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000162828025016302/wk-form4_1743630808.xml","form_type":"4"}},{"id":1182304,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A common stock","published_at":"2025-04-02T17:53:34.000Z","date":"2025-03-31","kind":"exercise","planned":false,"acquired":true,"shares":27218,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date."}],"balance_after":56712,"source":{"system":"sec-edgar","filing":"0001628280-25-016302","document":"wk-form4_1743630808.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000162828025016302/wk-form4_1743630808.xml","form_type":"4"}},{"id":1552510,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Restricted Stock Units","published_at":"2024-04-02T07:25:26.000Z","date":"2024-03-31","kind":"exercise","planned":false,"acquired":false,"shares":19369,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock.  This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock.  This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock.  This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date."}],"balance_after":27218,"derivative":{"underlying":"Class A common stock","underlying_shares":19369},"source":{"system":"sec-edgar","filing":"0001827111-24-000006","document":"wk-form4_1712057118.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000182711124000006/wk-form4_1712057118.xml","form_type":"4"}},{"id":1552509,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Restricted Stock Units","published_at":"2024-04-02T07:25:26.000Z","date":"2024-03-31","kind":"grant","planned":false,"acquired":true,"shares":27218,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The Reporting Person was granted 27,218 restricted stock units (\"RSUs\"), on March 31, 2024, which represent a contingent right to receive one share of common stock for each RSU.  These RSUs are scheduled to vest  on March 31, 2025, provided that the Reporting Person remains in continuous service on the vesting date.  Additionally, 19,369 RSUs which were previously granted to the Reporting Person vested on March 31, 2024."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The Reporting Person was granted 27,218 restricted stock units (\"RSUs\"), on March 31, 2024, which represent a contingent right to receive one share of common stock for each RSU.  These RSUs are scheduled to vest  on March 31, 2025, provided that the Reporting Person remains in continuous service on the vesting date.  Additionally, 19,369 RSUs which were previously granted to the Reporting Person vested on March 31, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The Reporting Person was granted 27,218 restricted stock units (\"RSUs\"), on March 31, 2024, which represent a contingent right to receive one share of common stock for each RSU.  These RSUs are scheduled to vest  on March 31, 2025, provided that the Reporting Person remains in continuous service on the vesting date.  Additionally, 19,369 RSUs which were previously granted to the Reporting Person vested on March 31, 2024."}],"balance_after":46587,"derivative":{"underlying":"Class A common stock","underlying_shares":27218},"source":{"system":"sec-edgar","filing":"0001827111-24-000006","document":"wk-form4_1712057118.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000182711124000006/wk-form4_1712057118.xml","form_type":"4"}},{"id":1552508,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A common stock","published_at":"2024-04-02T07:25:26.000Z","date":"2024-03-31","kind":"exercise","planned":false,"acquired":true,"shares":19369,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock.  This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date."}],"balance_after":29494,"source":{"system":"sec-edgar","filing":"0001827111-24-000006","document":"wk-form4_1712057118.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000182711124000006/wk-form4_1712057118.xml","form_type":"4"}},{"id":1576113,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B common stock","published_at":"2024-03-14T19:30:57.000Z","date":"2024-03-12","kind":"exercise","planned":false,"acquired":true,"shares":71500000,"ownership":{"direct":false,"nature":"Through OPAL Holdco LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to the Certificate of Incorporation of OPAL Fuels Inc. (the \"Company\"), each share of Class D common stock of the Company is convertible into one share of Class B common stock of the Company at the option of the holder thereof at any time upon written notice to the Company. No conversion price is required to be paid in connection with such conversion."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On March 12, 2024, OPAL HoldCo LLC delivered notice to the Company of its election to convert 71,500,000 shares of Class D common stock into a corresponding number of shares of Class B common stock. The reporting person is the Chairman of the Board of Directors of the Company and the President of Fortistar Renewables LLC, which is the Manager of OPAL HoldCo LLC. The reporting person is also the President of OPAL HoldCo LLC. Through Fortistar LLC and various other subsidiaries of Fortistar LLC, the reporting person controls OPAL Holdco LLC. The reporting person disclaims beneficial ownership of all securities reported in this Form 4 except to the extent of his pecuniary interest therein, other than those securities reported herein as being held directly by such reporting person."}],"balance_after":71500000,"source":{"system":"sec-edgar","filing":"0001827111-24-000004","document":"wk-form4_1710459049.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000182711124000004/wk-form4_1710459049.xml","form_type":"4"}},{"id":1576112,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class D common stock","published_at":"2024-03-14T19:30:57.000Z","date":"2024-03-12","kind":"exercise","planned":false,"acquired":false,"shares":71500000,"ownership":{"direct":false,"nature":"Through OPAL Holdco LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to the Certificate of Incorporation of OPAL Fuels Inc. (the \"Company\"), each share of Class D common stock of the Company is convertible into one share of Class B common stock of the Company at the option of the holder thereof at any time upon written notice to the Company. No conversion price is required to be paid in connection with such conversion."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On March 12, 2024, OPAL HoldCo LLC delivered notice to the Company of its election to convert 71,500,000 shares of Class D common stock into a corresponding number of shares of Class B common stock. The reporting person is the Chairman of the Board of Directors of the Company and the President of Fortistar Renewables LLC, which is the Manager of OPAL HoldCo LLC. The reporting person is also the President of OPAL HoldCo LLC. Through Fortistar LLC and various other subsidiaries of Fortistar LLC, the reporting person controls OPAL Holdco LLC. The reporting person disclaims beneficial ownership of all securities reported in this Form 4 except to the extent of his pecuniary interest therein, other than those securities reported herein as being held directly by such reporting person."}],"balance_after":70877450,"source":{"system":"sec-edgar","filing":"0001827111-24-000004","document":"wk-form4_1710459049.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000182711124000004/wk-form4_1710459049.xml","form_type":"4"}},{"id":1764168,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Restricted Stock Units","published_at":"2023-10-05T16:05:37.000Z","date":"2023-10-03","kind":"exercise","planned":false,"acquired":false,"shares":10125,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive, at settlement, one share of Class A common stock.  This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"10,125 restricted stock units were awarded on October 4, 2022.  This award vested in full on October 3, 2023. 19,369 restricted stock units are scheduled to vest on March 31, 2024, provided the Reporting Person remains in continuous service on the vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"10,125 restricted stock units were awarded on October 4, 2022.  This award vested in full on October 3, 2023. 19,369 restricted stock units are scheduled to vest on March 31, 2024, provided the Reporting Person remains in continuous service on the vesting date."}],"balance_after":19369,"derivative":{"underlying":"Class A common stock","underlying_shares":10125},"source":{"system":"sec-edgar","filing":"0001827111-23-000004","document":"wk-form4_1696536326.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000182711123000004/wk-form4_1696536326.xml","form_type":"4"}},{"id":1764167,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A common stock","published_at":"2023-10-05T16:05:37.000Z","date":"2023-10-03","kind":"exercise","planned":false,"acquired":true,"shares":10125,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive, at settlement, one share of Class A common stock.  This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date."}],"balance_after":10125,"source":{"system":"sec-edgar","filing":"0001827111-23-000004","document":"wk-form4_1696536326.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000182711123000004/wk-form4_1696536326.xml","form_type":"4"}},{"id":1926422,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Restricted Stock Units","published_at":"2023-04-04T16:39:19.000Z","date":"2023-03-31","kind":"grant","planned":false,"acquired":true,"shares":19369,"price":6.97,"value":135001.93,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The Reporting Person was granted restricted stock units (\"RSUs\"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs vest 100% on March 31, 2024, provided that the Reporting Person remains in continuous service on the vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The Reporting Person was granted restricted stock units (\"RSUs\"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs vest 100% on March 31, 2024, provided that the Reporting Person remains in continuous service on the vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The Reporting Person was granted restricted stock units (\"RSUs\"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs vest 100% on March 31, 2024, provided that the Reporting Person remains in continuous service on the vesting date."}],"balance_after":29494,"derivative":{"underlying":"Class A common stock","underlying_shares":19369},"source":{"system":"sec-edgar","filing":"0001827111-23-000002","document":"wf-form4_168064074594998.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000182711123000002/wf-form4_168064074594998.xml","form_type":"4"}},{"id":2143455,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Restricted Stock Units","published_at":"2022-10-04T18:56:42.000Z","date":"2022-10-04","kind":"grant","acquired":true,"shares":10125,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The Reporting Person was granted restricted stock units (\"RSUs\"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs vest 100% on October 3, 2023 provided that the Reporting Person remains in continuous service on the vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The Reporting Person was granted restricted stock units (\"RSUs\"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs vest 100% on October 3, 2023 provided that the Reporting Person remains in continuous service on the vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The Reporting Person was granted restricted stock units (\"RSUs\"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs vest 100% on October 3, 2023 provided that the Reporting Person remains in continuous service on the vesting date."}],"balance_after":10125,"derivative":{"underlying":"Class A common stock","underlying_shares":10125},"source":{"system":"sec-edgar","filing":"0001827111-22-000003","document":"wf-form4_166492417825039.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000182711122000003/wf-form4_166492417825039.xml","form_type":"4"}},{"id":2202546,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Units of OPAL Fuels LLC","published_at":"2022-07-25T17:07:18.000Z","date":"2022-07-21","kind":"grant","acquired":true,"shares":2021587,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Through Hillman RNG Investments, LLC"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"The Class B Common Units of OPAL Fuels LLC are redeemable at any time by the Reporting Person for, at the election of the Issuer, newly-issued Class C common stock on a one-for-one basis or a cash payment equal to the volume weighted average market price of one Class C common stock for each Class B Common Unit redeemed. Upon the redemption of any Class B Common Units, a number of Class D common stock equal to the number of Class B Common Units that are redeemed will be cancelled by the Issuer for no consideration."},{"field":"kind","element":"transactionCoding","label":"F6","text":"Represents Class B Common Units received as consideration for common units of OPAL Fuels LLC in connection with the Business Combination Agreement."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The Class B Common Units of OPAL Fuels LLC are redeemable at any time by the Reporting Person for, at the election of the Issuer, newly-issued Class C common stock on a one-for-one basis or a cash payment equal to the volume weighted average market price of one Class C common stock for each Class B Common Unit redeemed. Upon the redemption of any Class B Common Units, a number of Class D common stock equal to the number of Class B Common Units that are redeemed will be cancelled by the Issuer for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The Class B Common Units of OPAL Fuels LLC are redeemable at any time by the Reporting Person for, at the election of the Issuer, newly-issued Class C common stock on a one-for-one basis or a cash payment equal to the volume weighted average market price of one Class C common stock for each Class B Common Unit redeemed. Upon the redemption of any Class B Common Units, a number of Class D common stock equal to the number of Class B Common Units that are redeemed will be cancelled by the Issuer for no consideration."}],"balance_after":2021587,"derivative":{"underlying":"Class C Common Stock","underlying_shares":2021587},"source":{"system":"sec-edgar","filing":"0001213900-22-041365","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000121390022041365/ownership.xml","form_type":"4"}},{"id":2202545,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Units of OPAL Fuels LLC","published_at":"2022-07-25T17:07:18.000Z","date":"2022-07-21","kind":"grant","acquired":true,"shares":142377450,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Through OPAL HoldCo LLC"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"The Class B Common Units of OPAL Fuels LLC are redeemable at any time by the Reporting Person for, at the election of the Issuer, newly-issued Class C common stock on a one-for-one basis or a cash payment equal to the volume weighted average market price of one Class C common stock for each Class B Common Unit redeemed. Upon the redemption of any Class B Common Units, a number of Class D common stock equal to the number of Class B Common Units that are redeemed will be cancelled by the Issuer for no consideration."},{"field":"kind","element":"transactionCoding","label":"F6","text":"Represents Class B Common Units received as consideration for common units of OPAL Fuels LLC in connection with the Business Combination Agreement."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The Class B Common Units of OPAL Fuels LLC are redeemable at any time by the Reporting Person for, at the election of the Issuer, newly-issued Class C common stock on a one-for-one basis or a cash payment equal to the volume weighted average market price of one Class C common stock for each Class B Common Unit redeemed. Upon the redemption of any Class B Common Units, a number of Class D common stock equal to the number of Class B Common Units that are redeemed will be cancelled by the Issuer for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The Class B Common Units of OPAL Fuels LLC are redeemable at any time by the Reporting Person for, at the election of the Issuer, newly-issued Class C common stock on a one-for-one basis or a cash payment equal to the volume weighted average market price of one Class C common stock for each Class B Common Unit redeemed. Upon the redemption of any Class B Common Units, a number of Class D common stock equal to the number of Class B Common Units that are redeemed will be cancelled by the Issuer for no consideration."}],"balance_after":142377450,"derivative":{"underlying":"Class C Common Stock","underlying_shares":142377450},"source":{"system":"sec-edgar","filing":"0001213900-22-041365","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000121390022041365/ownership.xml","form_type":"4"}},{"id":2202544,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class D Common Stock","published_at":"2022-07-25T17:07:18.000Z","date":"2022-07-21","kind":"grant","acquired":true,"shares":2021587,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Through Hillman RNG Investments, LLC"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The reported amount of shares of Class D Common Stock were received as consideration in connection with the Business Combination Agreement, as defined in the Issuer's prospectus filed with the Securities and Exchange Commission on June 27, 2022 (the \"Business Combination Agreement\"), with the number of such shares of Class D common stock equal to the number of Class B Common Units of OPAL Fuels LLC received by the reporting person as consideration for common units of OPAL Fuels LLC in connection with the Business Combination Agreement. Shares of Class D Common Stock have no economic value but entitle the holder thereof to five votes per share for each share of Class D Common Stock held of record by such holder on all matters on which stockholders generally are entitled to vote. The Issuer is the managing member of OPAL Fuels LLC, a Delaware limited liability company, which directly or indirectly holds substantially all of the consolidated assets and business of the Issuer."},{"field":"shares","element":"transactionShares","label":"F4","text":"The reported amount of shares of Class D Common Stock consists of 2,021,587 shares of Class D Common Stock owned of record by Hillman RNG Investments, LLC (\"Hillman\"), but excludes an aggregate of 137,127 shares of Class D Common Stock potentially issuable to Hillman in connection with the First Earnout Tranche and Second Earnout Tranche. Mr. Comora controls Hillman through Fortistar and certain of its subsidiaries and affiliates. Accordingly, the reporting person is deemed to have beneficial ownership of the securities held by Hillman."}],"balance_after":145279637,"source":{"system":"sec-edgar","filing":"0001213900-22-041365","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000121390022041365/ownership.xml","form_type":"4"}},{"id":2202543,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class D Common Stock","published_at":"2022-07-25T17:07:18.000Z","date":"2022-07-21","kind":"grant","acquired":true,"shares":142377450,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Through OPAL HoldCo LLC"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The reported amount of shares of Class D Common Stock were received as consideration in connection with the Business Combination Agreement, as defined in the Issuer's prospectus filed with the Securities and Exchange Commission on June 27, 2022 (the \"Business Combination Agreement\"), with the number of such shares of Class D common stock equal to the number of Class B Common Units of OPAL Fuels LLC received by the reporting person as consideration for common units of OPAL Fuels LLC in connection with the Business Combination Agreement. Shares of Class D Common Stock have no economic value but entitle the holder thereof to five votes per share for each share of Class D Common Stock held of record by such holder on all matters on which stockholders generally are entitled to vote. The Issuer is the managing member of OPAL Fuels LLC, a Delaware limited liability company, which directly or indirectly holds substantially all of the consolidated assets and business of the Issuer."},{"field":"shares","element":"transactionShares","label":"F3","text":"The reported amount of shares of Class D Common Stock consists of 142,377,450 shares of Class D Common Stock owned of record by OPAL HoldCo LLC (\"OPAL HoldCo\"), but excludes an aggregate of 9,657,625 shares of Class D Common Stock potentially issuable to OPAL HoldCo in connection with the First Earnout Tranche and Second Earnout Tranche, as described in the Issuer's prospectus filed with the Securities and Exchange Commission on June 27, 2022 (File No. 333-262583) (the \"First Earnout Tranche\" and the \"Second Earnout Tranche\"). Mr. Comora controls OPAL HoldCo through Fortistar and certain of its subsidiaries and affiliates. Accordingly, the reporting person is deemed to have beneficial ownership of the securities held by OPAL Holdco."}],"balance_after":143258050,"source":{"system":"sec-edgar","filing":"0001213900-22-041365","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000121390022041365/ownership.xml","form_type":"4"}},{"id":2202542,"issuer":{"id":501,"kind":"organization","name":"OPAL Fuels Inc.","symbol":"OPAL"},"owners":[{"id":54158,"kind":"person","name":"Comora Mark S","position":1,"cik":"0001827111","reported_name":"Comora Mark S","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2022-07-25T17:07:18.000Z","date":"2022-07-21","kind":"grant","acquired":true,"shares":880600,"price":10,"value":8806000.0,"ownership":{"direct":false,"nature":"Through Fortistar LLC"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported amount of shares of Class A Common Stock were purchased by Fortistar LLC (\"Fortistar\") for a purchase price of $10.00 per share, pursuant to the terms of that certain Subscription Agreement, dated December 2, 2021, between ArcLight Clean Transition Corp. II and Fortistar. Each holder of Class A Common Stock will be entitled to one vote for each share of Class A Common Stock held of record by such holder on all matters on which stockholders generally are entitled to vote. Mr. Comora controls Fortistar as its President and Sole Member and he is deemed to have beneficial ownership of the securities held by Fortistar."}],"balance_after":880600,"source":{"system":"sec-edgar","filing":"0001213900-22-041365","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827111/000121390022041365/ownership.xml","form_type":"4"}}]}