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The closing price per share of Issuer common stock on the Nasdaq Global Select Market on September 30, 2024, the day prior to the Closing was $7.11."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001104659-24-105141","document":"tm2425389-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/7332/000110465924105141/tm2425389-1_4seq1.xml","form_type":"4"}},{"id":1397709,"issuer":{"id":87196,"kind":"organization","name":"SOUTHWESTERN ENERGY CO","symbol":"SWN"},"owners":[{"id":60839,"kind":"person","name":"Lacy Christopher W","position":1,"cik":"0001815099","reported_name":"Lacy Christopher W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Common Stock","published_at":"2024-10-01T21:56:30.000Z","date":"2024-10-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":25677,"price":7.11,"value":182563.47,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents net share settlement of common stock award to satisfy withholding taxes."}],"balance_after":147129,"source":{"system":"sec-edgar","filing":"0001104659-24-105141","document":"tm2425389-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/7332/000110465924105141/tm2425389-1_4seq1.xml","form_type":"4"}},{"id":1397708,"issuer":{"id":87196,"kind":"organization","name":"SOUTHWESTERN ENERGY CO","symbol":"SWN"},"owners":[{"id":60839,"kind":"person","name":"Lacy Christopher W","position":1,"cik":"0001815099","reported_name":"Lacy Christopher W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Common Stock","published_at":"2024-10-01T21:56:30.000Z","date":"2024-10-01","kind":"exercise","planned":false,"acquired":true,"shares":65250,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":172806,"source":{"system":"sec-edgar","filing":"0001104659-24-105141","document":"tm2425389-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7332/000110465924105141/tm2425389-1_4seq1.xml","form_type":"4"}},{"id":1397707,"issuer":{"id":87196,"kind":"organization","name":"SOUTHWESTERN ENERGY CO","symbol":"SWN"},"owners":[{"id":60839,"kind":"person","name":"Lacy Christopher W","position":1,"cik":"0001815099","reported_name":"Lacy Christopher W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Common Stock","published_at":"2024-10-01T21:56:30.000Z","date":"2024-10-01","kind":"gift","planned":false,"acquired":false,"shares":14064,"price":7.11,"value":99995.04,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction involved the reporting person's gift of 14,064 shares of common stock."}],"balance_after":107556,"source":{"system":"sec-edgar","filing":"0001104659-24-105141","document":"tm2425389-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7332/000110465924105141/tm2425389-1_4seq1.xml","form_type":"4"}},{"id":1618471,"issuer":{"id":87196,"kind":"organization","name":"SOUTHWESTERN ENERGY CO","symbol":"SWN"},"owners":[{"id":60839,"kind":"person","name":"Lacy Christopher W","position":1,"cik":"0001815099","reported_name":"Lacy Christopher W","relationship":{"officer":true,"officer_title":"SVP - General Counsel"}}],"security":"Restricted Stock Unit","published_at":"2024-02-27T16:31:18.000Z","date":"2024-02-23","kind":"exercise","planned":false,"acquired":false,"shares":19087,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each RSU represents a contingent right to receive one share of SWN common stock or an amount in cash equal to the Fair Market Value of one share of SWN common stock."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") has the economic equivalent of one share of Southwestern Energy Company (\"SWN\") common stock. The RSUs vesting on February 23, 2024 and February 26, 2024 were settled in SWN common stock based on the closing price of SWN common stock on the vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"On February 23, 2021, the reporting person was granted restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date, or immediately upon death, disability, retirement at age 65 with required years of service, or a change in control. Vesting units will be settled in shares of SWN common stock, cash, or a combination of shares of SWN common stock and cash."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"On February 23, 2021, the reporting person was granted restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date, or immediately upon death, disability, retirement at age 65 with required years of service, or a change in control. Vesting units will be settled in shares of SWN common stock, cash, or a combination of shares of SWN common stock and cash."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":19087},"source":{"system":"sec-edgar","filing":"0001127602-24-007211","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/7332/000112760224007211/form4.xml","form_type":"4"}},{"id":1618470,"issuer":{"id":87196,"kind":"organization","name":"SOUTHWESTERN ENERGY CO","symbol":"SWN"},"owners":[{"id":60839,"kind":"person","name":"Lacy Christopher W","position":1,"cik":"0001815099","reported_name":"Lacy Christopher W","relationship":{"officer":true,"officer_title":"SVP - General Counsel"}}],"security":"Common Stock","published_at":"2024-02-27T16:31:18.000Z","date":"2024-02-23","kind":"tax_withholding","planned":false,"acquired":false,"shares":4648,"price":6.91,"value":32117.68,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents net share settlement of common stock award to satisfy withholding taxes."}],"balance_after":121620,"source":{"system":"sec-edgar","filing":"0001127602-24-007211","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7332/000112760224007211/form4.xml","form_type":"4"}},{"id":1618469,"issuer":{"id":87196,"kind":"organization","name":"SOUTHWESTERN ENERGY CO","symbol":"SWN"},"owners":[{"id":60839,"kind":"person","name":"Lacy Christopher W","position":1,"cik":"0001815099","reported_name":"Lacy Christopher W","relationship":{"officer":true,"officer_title":"SVP - General Counsel"}}],"security":"Common Stock","published_at":"2024-02-27T16:31:18.000Z","date":"2024-02-23","kind":"exercise","planned":false,"acquired":true,"shares":19087,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") has the economic equivalent of one share of Southwestern Energy Company (\"SWN\") common stock. The RSUs vesting on February 23, 2024 and February 26, 2024 were settled in SWN common stock based on the closing price of SWN common stock on the vesting date."}],"balance_after":126268,"source":{"system":"sec-edgar","filing":"0001127602-24-007211","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7332/000112760224007211/form4.xml","form_type":"4"}},{"id":1624404,"issuer":{"id":87196,"kind":"organization","name":"SOUTHWESTERN ENERGY CO","symbol":"SWN"},"owners":[{"id":60839,"kind":"person","name":"Lacy Christopher W","position":1,"cik":"0001815099","reported_name":"Lacy Christopher W","relationship":{"officer":true,"officer_title":"SVP - General Counsel"}}],"security":"Restricted Stock Unit","published_at":"2024-02-23T16:18:04.000Z","date":"2024-02-22","kind":"exercise","planned":false,"acquired":false,"shares":26100,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each RSU represents a contingent right to receive one share of SWN common stock or an amount in cash equal to the Fair Market Value of one share of SWN common stock."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") has the economic equivalent of one share of Southwestern Energy Company (\"SWN\") common stock. The RSUs vesting on February 21, 2024 and February 22, 2024 were settled in common stock based on the closing price of SWN common stock on the vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"On February 22, 2022, the reporting person was granted restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date, or immediately upon death, disability, retirement at age 65 with required years of service, or a change in control. Vesting units will be settled in shares of SWN common stock, cash, or a combination of shares of SWN common stock and cash."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"On February 22, 2022, the reporting person was granted restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date, or immediately upon death, disability, retirement at age 65 with required years of service, or a change in control. Vesting units will be settled in shares of SWN common stock, cash, or a combination of shares of SWN common stock and cash."}],"balance_after":26100,"derivative":{"underlying":"Common Stock","underlying_shares":26100},"source":{"system":"sec-edgar","filing":"0001127602-24-006603","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/7332/000112760224006603/form4.xml","form_type":"4"}},{"id":1624403,"issuer":{"id":87196,"kind":"organization","name":"SOUTHWESTERN ENERGY CO","symbol":"SWN"},"owners":[{"id":60839,"kind":"person","name":"Lacy Christopher W","position":1,"cik":"0001815099","reported_name":"Lacy Christopher W","relationship":{"officer":true,"officer_title":"SVP - General Counsel"}}],"security":"Restricted Stock Unit","published_at":"2024-02-23T16:18:04.000Z","date":"2024-02-21","kind":"exercise","planned":false,"acquired":false,"shares":38736,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each RSU represents a contingent right to receive one share of SWN common stock or an amount in cash equal to the Fair Market Value of one share of SWN common stock."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") has the economic equivalent of one share of Southwestern Energy Company (\"SWN\") common stock. The RSUs vesting on February 21, 2024 and February 22, 2024 were settled in common stock based on the closing price of SWN common stock on the vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"On February 21, 2023, the reporting person was granted restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date, or immediately upon death, disability, retirement at age 65 with required years of service, or a change in control. Vesting units will be settled in shares of SWN common stock, cash, or a combination of shares of SWN common stock and cash."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"On February 21, 2023, the reporting person was granted restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date, or immediately upon death, disability, retirement at age 65 with required years of service, or a change in control. Vesting units will be settled in shares of SWN common stock, cash, or a combination of shares of SWN common stock and cash."}],"balance_after":77474,"derivative":{"underlying":"Common Stock","underlying_shares":38736},"source":{"system":"sec-edgar","filing":"0001127602-24-006603","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/7332/000112760224006603/form4.xml","form_type":"4"}},{"id":1624402,"issuer":{"id":87196,"kind":"organization","name":"SOUTHWESTERN ENERGY CO","symbol":"SWN"},"owners":[{"id":60839,"kind":"person","name":"Lacy Christopher W","position":1,"cik":"0001815099","reported_name":"Lacy Christopher W","relationship":{"officer":true,"officer_title":"SVP - General Counsel"}}],"security":"Restricted Stock Units","published_at":"2024-02-23T16:18:04.000Z","date":"2024-02-21","kind":"grant","planned":false,"acquired":true,"shares":240840,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each RSU represents a contingent right to receive one share of SWN common stock or an amount in cash equal to the Fair Market Value of one share of SWN common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"On February 21, 2024 the reporting person was granted Restricted Stock Units (RSUs), vesting in three equal installments beginning on the first anniversary of the grant date, or immediately upon death, disability, retirement at age 65 with the required years of service, or a change in control.  Vesting units will be settled in shares of SWN common stock, cash, or a combination of shares of SWN common stock and cash."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"On February 21, 2024 the reporting person was granted Restricted Stock Units (RSUs), vesting in three equal installments beginning on the first anniversary of the grant date, or immediately upon death, disability, retirement at age 65 with the required years of service, or a change in control.  Vesting units will be settled in shares of SWN common stock, cash, or a combination of shares of SWN common stock and cash."}],"balance_after":240840,"derivative":{"underlying":"Common Stock","underlying_shares":240840},"source":{"system":"sec-edgar","filing":"0001127602-24-006603","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/7332/000112760224006603/form4.xml","form_type":"4"}},{"id":1624401,"issuer":{"id":87196,"kind":"organization","name":"SOUTHWESTERN ENERGY CO","symbol":"SWN"},"owners":[{"id":60839,"kind":"person","name":"Lacy Christopher W","position":1,"cik":"0001815099","reported_name":"Lacy Christopher W","relationship":{"officer":true,"officer_title":"SVP - General Counsel"}}],"security":"Common Stock","published_at":"2024-02-23T16:18:04.000Z","date":"2024-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":6356,"price":7.02,"value":44619.12,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents net share settlement of common stock award to satisfy withholding taxes."}],"balance_after":107181,"source":{"system":"sec-edgar","filing":"0001127602-24-006603","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/7332/000112760224006603/form4.xml","form_type":"4"}},{"id":1624400,"issuer":{"id":87196,"kind":"organization","name":"SOUTHWESTERN ENERGY CO","symbol":"SWN"},"owners":[{"id":60839,"kind":"person","name":"Lacy Christopher W","position":1,"cik":"0001815099","reported_name":"Lacy Christopher W","relationship":{"officer":true,"officer_title":"SVP - General Counsel"}}],"security":"Common Stock","published_at":"2024-02-23T16:18:04.000Z","date":"2024-02-22","kind":"exercise","planned":false,"acquired":true,"shares":26100,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") has the economic equivalent of one share of Southwestern Energy Company (\"SWN\") common stock. 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The RSUs vesting on February 21, 2024 and February 22, 2024 were settled in common stock based on the closing price of SWN common stock on the vesting date."}],"balance_after":96870,"source":{"system":"sec-edgar","filing":"0001127602-24-006603","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7332/000112760224006603/form4.xml","form_type":"4"}},{"id":1989442,"issuer":{"id":87196,"kind":"organization","name":"SOUTHWESTERN ENERGY CO","symbol":"SWN"},"owners":[{"id":60839,"kind":"person","name":"Lacy Christopher W","position":1,"cik":"0001815099","reported_name":"Lacy Christopher W","relationship":{"officer":true,"officer_title":"VP-General Counsel & Secretary"}}],"security":"Restricted Stock Unit","published_at":"2023-02-28T16:09:48.000Z","date":"2023-02-26","kind":"exercise","acquired":false,"shares":10418,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of SWN common stock or an amount in cash equal to the Fair Market Value of one share of SWN common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"On February 26, 2019, the reporting person was granted restricted stock units, vesting in four equal installments beginning on the first anniversary of the grant date, or immediately upon death, disability, retirement at age 65 with the required years of service, or a change in control.  Vesting RSUs will be settled in shares of SWN common stock, cash, or a combination of shares of SWN common stock and cash."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"On February 26, 2019, the reporting person was granted restricted stock units, vesting in four equal installments beginning on the first anniversary of the grant date, or immediately upon death, disability, retirement at age 65 with the required years of service, or a change in control.  Vesting RSUs will be settled in shares of SWN common stock, cash, or a combination of shares of SWN common stock and cash."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":10418},"source":{"system":"sec-edgar","filing":"0001127602-23-007490","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/7332/000112760223007490/form4.xml","form_type":"4"}},{"id":1989441,"issuer":{"id":87196,"kind":"organization","name":"SOUTHWESTERN ENERGY CO","symbol":"SWN"},"owners":[{"id":60839,"kind":"person","name":"Lacy Christopher W","position":1,"cik":"0001815099","reported_name":"Lacy Christopher W","relationship":{"officer":true,"officer_title":"VP-General Counsel & Secretary"}}],"security":"Restricted Stock Unit","published_at":"2023-02-28T16:09:48.000Z","date":"2023-02-21","kind":"grant","acquired":true,"shares":116210,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of SWN common stock or an amount in cash equal to the Fair Market Value of one share of SWN common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"On February 21, 2023, the reporting person was granted restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date, or immediately upon death, disability, retirement at age 65 with required years of service, or a change in control. 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Vesting RSUs will be settled in shares of SWN common stock, cash, or a combination of shares of SWN common stock and cash."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"On February 27, 2018, the reporting person was granted RSUs, vesting in four equal installments beginning on the first anniversary of the grant date, or immediately upon death, disability, retirement at age 65 with required years of service, or a change in control.  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Vesting RSUs will be settled in shares of SWN common stock, cash, or a combination of shares of SWN common stock and cash."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"On February 26, 2019, the reporting person was granted restricted stock units, vesting in four equal installments beginning on the first anniversary of the grant date, or immediately upon death, disability, retirement at age 65 with the required years of service, or a change in control.  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