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These sales were automatic and not in the discretion of the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $8.07 to $8.32. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, on request, full information regarding the number of shares sold at each separate price within the range set forth above."}],"balance_after":126854,"source":{"system":"sec-edgar","filing":"0001193125-26-421835","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2016144/000119312526421835/ownership.xml","form_type":"4"}},{"id":673958,"issuer":{"id":5594,"kind":"organization","name":"Q32 Bio Inc.","symbol":"QTTB"},"owners":[{"id":19135,"kind":"person","name":"Violette Shelia M.","position":1,"cik":"0002016144","reported_name":"Violette Shelia M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2026-08-27T20:10:03.000Z","date":"2026-08-25","kind":"sale","planned":false,"acquired":false,"shares":2798,"price":16.56,"value":46334.88,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. These sales were automatic and not in the discretion of the Reporting Person."}],"balance_after":127771,"source":{"system":"sec-edgar","filing":"0001193125-26-371291","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2016144/000119312526371291/ownership.xml","form_type":"4"}},{"id":705867,"issuer":{"id":5594,"kind":"organization","name":"Q32 Bio Inc.","symbol":"QTTB"},"owners":[{"id":19135,"kind":"person","name":"Violette Shelia M.","position":1,"cik":"0002016144","reported_name":"Violette Shelia M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2026-07-21T01:31:18.000Z","date":"2026-07-16","kind":"grant","planned":false,"acquired":true,"shares":37500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of Issuer common stock underlying performance-based restricted stock units (\"PSUs\") granted on July 6, 2026, which vested on July 16, 2026 with respect to a performance-based condition, upon achievement of the closing of a financing of at least $100,000,000 in gross proceeds on or before December 31, 2026. Such PSUs are also subject to a time-based condition, which provides that the PSUs shall vest in equal quarterly installments over three years from July 1, 2026, subject to the Reporting Person's continued service to the Issuer through each applicable vesting date. Each PSU represents a contingent right to receive one share of Issuer common stock."}],"balance_after":130569,"source":{"system":"sec-edgar","filing":"0001193125-26-309331","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2016144/000119312526309331/ownership.xml","form_type":"4"}},{"id":832528,"issuer":{"id":5594,"kind":"organization","name":"Q32 Bio Inc.","symbol":"QTTB"},"owners":[{"id":19135,"kind":"person","name":"Violette Shelia M.","position":1,"cik":"0002016144","reported_name":"Violette Shelia M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2026-03-20T23:00:05.000Z","date":"2026-02-24","kind":"grant","planned":false,"acquired":true,"shares":37500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The restricted stock units (\"RSUs\") vest in four equal installments, 25% shall vest 6 months from February 24, 2026 (the \"Grant Date\"), 25% shall vest 12 months from the Grant Date, 25% shall vest 24 months from the Grant Date, and 25% shall vest 36 months from Grant Date. 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These sales were automatic and not in the discretion of the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $4.35 to $4.69. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, on request, full information regarding the number of shares sold at each separate price within the range set forth above."}],"balance_after":55569,"source":{"system":"sec-edgar","filing":"0001193125-26-083584","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2016144/000119312526083584/ownership.xml","form_type":"4"}},{"id":1053773,"issuer":{"id":5594,"kind":"organization","name":"Q32 Bio Inc.","symbol":"QTTB"},"owners":[{"id":19135,"kind":"person","name":"Violette Shelia M.","position":1,"cik":"0002016144","reported_name":"Violette Shelia M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2025-08-28T23:28:26.000Z","date":"2025-08-26","kind":"sale","planned":false,"acquired":false,"shares":2990,"price":1.801,"value":5384.99,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. These sales were automatic and not in the discretion of the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported is a weighted average price. The securities were sold in multiple transactions over two consecutive trading days, at per share prices ranging from $1.81 to $1.96 and $1.73 to $1.83, respectively. The Reporting Person undertakes to provide upon request the SEC staff, the Issuer, or any shareholder of the Issuer, full information regarding the number of securities sold at each separate price within the ranges set forth in this footnote 2."}],"balance_after":58384,"source":{"system":"sec-edgar","filing":"0001193125-25-191447","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2016144/000119312525191447/ownership.xml","form_type":"4"}},{"id":1243647,"issuer":{"id":5594,"kind":"organization","name":"Q32 Bio Inc.","symbol":"QTTB"},"owners":[{"id":19135,"kind":"person","name":"Violette Shelia M.","position":1,"cik":"0002016144","reported_name":"Violette Shelia M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-02-27T02:54:58.000Z","date":"2025-02-24","kind":"grant","planned":false,"acquired":true,"shares":56413,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"The exercise price of the option is $2.54 per share, representing the fair market value per share of the Issuer's Common Stock on the Repricing Date; provided that in the event (i) the option is exercised prior to the one-year anniversary of the Repricing Date, (ii) the Reporting Person's employment is terminated by the Company prior to the one-year anniversary of the Repricing Date due to Cause (as defined in the 2024 Plan) or (iii) the Reporting Person resigns for any reason prior to the one-year anniversary of the Repricing Date, the exercise price will be increased to the exercise price of the cancelled option in exchange for which this option was granted."},{"field":"kind","element":"transactionCoding","label":"F3","text":"On February 24, 2025, the Issuer's board of directors approved an option repricing (\"Repricing Date\"). All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On February 24, 2025, the Issuer's board of directors approved an option repricing (\"Repricing Date\"). All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This stock option award was issued pursuant to the Q32 Bio Inc. 2017 Stock Option and Grant Plan (the \"2017 Plan\") or the Q32 Bio Inc. 2024 Stock Option and Incentive Plan (the \"2024 Plan\"), as applicable, and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date."}],"balance_after":56413,"derivative":{"exercise_price":2.54,"expiration_date":"2034-03-24","underlying":"Common Stock","underlying_shares":56413},"source":{"system":"sec-edgar","filing":"0000950170-25-028245","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/2016144/000095017025028245/ownership.xml","form_type":"4"}},{"id":1243646,"issuer":{"id":5594,"kind":"organization","name":"Q32 Bio Inc.","symbol":"QTTB"},"owners":[{"id":19135,"kind":"person","name":"Violette Shelia M.","position":1,"cik":"0002016144","reported_name":"Violette Shelia M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-02-27T02:54:58.000Z","date":"2025-02-24","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":56413,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"On February 24, 2025, the Issuer's board of directors approved an option repricing (\"Repricing Date\"). All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On February 24, 2025, the Issuer's board of directors approved an option repricing (\"Repricing Date\"). All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This stock option award was issued pursuant to the Q32 Bio Inc. 2017 Stock Option and Grant Plan (the \"2017 Plan\") or the Q32 Bio Inc. 2024 Stock Option and Incentive Plan (the \"2024 Plan\"), as applicable, and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date."}],"balance_after":0,"derivative":{"exercise_price":16.82,"expiration_date":"2034-03-24","underlying":"Common Stock","underlying_shares":56413},"source":{"system":"sec-edgar","filing":"0000950170-25-028245","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/2016144/000095017025028245/ownership.xml","form_type":"4"}},{"id":1243645,"issuer":{"id":5594,"kind":"organization","name":"Q32 Bio Inc.","symbol":"QTTB"},"owners":[{"id":19135,"kind":"person","name":"Violette Shelia M.","position":1,"cik":"0002016144","reported_name":"Violette Shelia M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-02-27T02:54:58.000Z","date":"2025-02-24","kind":"grant","planned":false,"acquired":true,"shares":17506,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"The exercise price of the option is $2.54 per share, representing the fair market value per share of the Issuer's Common Stock on the Repricing Date; provided that in the event (i) the option is exercised prior to the one-year anniversary of the Repricing Date, (ii) the Reporting Person's employment is terminated by the Company prior to the one-year anniversary of the Repricing Date due to Cause (as defined in the 2024 Plan) or (iii) the Reporting Person resigns for any reason prior to the one-year anniversary of the Repricing Date, the exercise price will be increased to the exercise price of the cancelled option in exchange for which this option was granted."},{"field":"kind","element":"transactionCoding","label":"F3","text":"On February 24, 2025, the Issuer's board of directors approved an option repricing (\"Repricing Date\"). All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On February 24, 2025, the Issuer's board of directors approved an option repricing (\"Repricing Date\"). All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This stock option award was issued pursuant to the Q32 Bio Inc. 2017 Stock Option and Grant Plan (the \"2017 Plan\") or the Q32 Bio Inc. 2024 Stock Option and Incentive Plan (the \"2024 Plan\"), as applicable, and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date."}],"balance_after":17506,"derivative":{"exercise_price":2.54,"expiration_date":"2033-04-26","underlying":"Common Stock","underlying_shares":17506},"source":{"system":"sec-edgar","filing":"0000950170-25-028245","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/2016144/000095017025028245/ownership.xml","form_type":"4"}},{"id":1243644,"issuer":{"id":5594,"kind":"organization","name":"Q32 Bio Inc.","symbol":"QTTB"},"owners":[{"id":19135,"kind":"person","name":"Violette Shelia M.","position":1,"cik":"0002016144","reported_name":"Violette Shelia M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-02-27T02:54:58.000Z","date":"2025-02-24","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":17506,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"On February 24, 2025, the Issuer's board of directors approved an option repricing (\"Repricing Date\"). 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Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This stock option award was issued pursuant to the Q32 Bio Inc. 2017 Stock Option and Grant Plan (the \"2017 Plan\") or the Q32 Bio Inc. 2024 Stock Option and Incentive Plan (the \"2024 Plan\"), as applicable, and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date."}],"balance_after":0,"derivative":{"exercise_price":7.5,"expiration_date":"2033-04-26","underlying":"Common Stock","underlying_shares":17506},"source":{"system":"sec-edgar","filing":"0000950170-25-028245","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/2016144/000095017025028245/ownership.xml","form_type":"4"}},{"id":1243643,"issuer":{"id":5594,"kind":"organization","name":"Q32 Bio Inc.","symbol":"QTTB"},"owners":[{"id":19135,"kind":"person","name":"Violette Shelia M.","position":1,"cik":"0002016144","reported_name":"Violette Shelia M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-02-27T02:54:58.000Z","date":"2025-02-24","kind":"grant","planned":false,"acquired":true,"shares":13305,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"The exercise price of the option is $2.54 per share, representing the fair market value per share of the Issuer's Common Stock on the Repricing Date; provided that in the event (i) the option is exercised prior to the one-year anniversary of the Repricing Date, (ii) the Reporting Person's employment is terminated by the Company prior to the one-year anniversary of the Repricing Date due to Cause (as defined in the 2024 Plan) or (iii) the Reporting Person resigns for any reason prior to the one-year anniversary of the Repricing Date, the exercise price will be increased to the exercise price of the cancelled option in exchange for which this option was granted."},{"field":"kind","element":"transactionCoding","label":"F3","text":"On February 24, 2025, the Issuer's board of directors approved an option repricing (\"Repricing Date\"). All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On February 24, 2025, the Issuer's board of directors approved an option repricing (\"Repricing Date\"). All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This stock option award was issued pursuant to the Q32 Bio Inc. 2017 Stock Option and Grant Plan (the \"2017 Plan\") or the Q32 Bio Inc. 2024 Stock Option and Incentive Plan (the \"2024 Plan\"), as applicable, and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date."}],"balance_after":13305,"derivative":{"exercise_price":2.54,"expiration_date":"2031-03-24","underlying":"Common Stock","underlying_shares":13305},"source":{"system":"sec-edgar","filing":"0000950170-25-028245","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/2016144/000095017025028245/ownership.xml","form_type":"4"}},{"id":1243642,"issuer":{"id":5594,"kind":"organization","name":"Q32 Bio Inc.","symbol":"QTTB"},"owners":[{"id":19135,"kind":"person","name":"Violette Shelia M.","position":1,"cik":"0002016144","reported_name":"Violette Shelia M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-02-27T02:54:58.000Z","date":"2025-02-24","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":13305,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"On February 24, 2025, the Issuer's board of directors approved an option repricing (\"Repricing Date\"). All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On February 24, 2025, the Issuer's board of directors approved an option repricing (\"Repricing Date\"). All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This stock option award was issued pursuant to the Q32 Bio Inc. 2017 Stock Option and Grant Plan (the \"2017 Plan\") or the Q32 Bio Inc. 2024 Stock Option and Incentive Plan (the \"2024 Plan\"), as applicable, and becomes exercisable in accordance with the vesting schedule specified in the award agreement and as previously reported on applicable Form 4, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date."}],"balance_after":0,"derivative":{"exercise_price":7.29,"expiration_date":"2031-03-24","underlying":"Common Stock","underlying_shares":13305},"source":{"system":"sec-edgar","filing":"0000950170-25-028245","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/2016144/000095017025028245/ownership.xml","form_type":"4"}},{"id":1243641,"issuer":{"id":5594,"kind":"organization","name":"Q32 Bio Inc.","symbol":"QTTB"},"owners":[{"id":19135,"kind":"person","name":"Violette Shelia M.","position":1,"cik":"0002016144","reported_name":"Violette Shelia M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-02-27T02:54:58.000Z","date":"2025-02-24","kind":"grant","planned":false,"acquired":true,"shares":32891,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"The exercise price of the option is $2.54 per share, representing the fair market value per share of the Issuer's Common Stock on the Repricing Date; provided that in the event (i) the option is exercised prior to the one-year anniversary of the Repricing Date, (ii) the Reporting Person's employment is terminated by the Company prior to the one-year anniversary of the Repricing Date due to Cause (as defined in the 2024 Plan) or (iii) the Reporting Person resigns for any reason prior to the one-year anniversary of the Repricing Date, the exercise price will be increased to the exercise price of the cancelled option in exchange for which this option was granted."},{"field":"kind","element":"transactionCoding","label":"F3","text":"On February 24, 2025, the Issuer's board of directors approved an option repricing (\"Repricing Date\"). All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On February 24, 2025, the Issuer's board of directors approved an option repricing (\"Repricing Date\"). All of the other terms of the options remain unchanged. 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