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The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":183650,"source":{"system":"sec-edgar","filing":"0001127602-23-021561","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760223021561/form4.xml","form_type":"4"}},{"id":1820225,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2023-07-31T20:01:34.000Z","date":"2023-07-27","kind":"sale","planned":true,"acquired":false,"shares":1373,"price":0.53,"value":727.69,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.502 to $0.543. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":184994,"source":{"system":"sec-edgar","filing":"0001127602-23-021561","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760223021561/form4.xml","form_type":"4"}},{"id":1822030,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2023-07-27T20:16:37.000Z","date":"2023-07-26","kind":"sale","planned":true,"acquired":false,"shares":1329,"price":0.51,"value":677.79,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.511 to $0.515. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":186367,"source":{"system":"sec-edgar","filing":"0000950170-23-035163","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000095017023035163/ownership.xml","form_type":"4"}},{"id":1822029,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2023-07-27T20:16:37.000Z","date":"2023-07-25","kind":"sale","planned":true,"acquired":false,"shares":1390,"price":0.5,"value":695.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.491 to $0.513. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":187696,"source":{"system":"sec-edgar","filing":"0000950170-23-035163","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000095017023035163/ownership.xml","form_type":"4"}},{"id":1823380,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2023-07-25T20:56:20.000Z","date":"2023-07-24","kind":"sale","planned":true,"acquired":false,"shares":1438,"price":0.54,"value":776.52,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.53 to $0.561. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":189086,"source":{"system":"sec-edgar","filing":"0000950170-23-034475","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000095017023034475/ownership.xml","form_type":"4"}},{"id":1823379,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2023-07-25T20:56:20.000Z","date":"2023-07-21","kind":"sale","planned":true,"acquired":false,"shares":1333,"price":0.61,"value":813.13,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.611 to $0.619. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":190524,"source":{"system":"sec-edgar","filing":"0000950170-23-034475","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000095017023034475/ownership.xml","form_type":"4"}},{"id":1824650,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2023-07-21T20:07:03.000Z","date":"2023-07-20","kind":"sale","planned":true,"acquired":false,"shares":1361,"price":0.64,"value":871.04,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.63 to $0.64. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":191857,"source":{"system":"sec-edgar","filing":"0001127602-23-021133","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760223021133/form4.xml","form_type":"4"}},{"id":1824649,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2023-07-21T20:07:03.000Z","date":"2023-07-19","kind":"sale","planned":true,"acquired":false,"shares":1335,"price":0.65,"value":867.75,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.62 to $0.65. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":193218,"source":{"system":"sec-edgar","filing":"0001127602-23-021133","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760223021133/form4.xml","form_type":"4"}},{"id":1826601,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2023-07-19T20:13:17.000Z","date":"2023-07-18","kind":"sale","planned":true,"acquired":false,"shares":1484,"price":0.56,"value":831.04,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.55 to $0.56. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":194553,"source":{"system":"sec-edgar","filing":"0001127602-23-020997","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760223020997/form4.xml","form_type":"4"}},{"id":1826600,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2023-07-19T20:13:17.000Z","date":"2023-07-17","kind":"sale","planned":true,"acquired":false,"shares":1415,"price":0.67,"value":948.05,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.60 to $0.71. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":196037,"source":{"system":"sec-edgar","filing":"0001127602-23-020997","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760223020997/form4.xml","form_type":"4"}},{"id":1828430,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2023-07-17T20:23:36.000Z","date":"2023-07-14","kind":"sale","planned":true,"acquired":false,"shares":906,"price":0.59,"value":534.54,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.58 to $0.63. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":197452,"source":{"system":"sec-edgar","filing":"0001127602-23-020819","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760223020819/form4.xml","form_type":"4"}},{"id":1828429,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2023-07-17T20:23:36.000Z","date":"2023-07-13","kind":"sale","planned":true,"acquired":false,"shares":1329,"price":0.39,"value":518.31,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.38 to $0.40. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":198358,"source":{"system":"sec-edgar","filing":"0001127602-23-020819","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760223020819/form4.xml","form_type":"4"}},{"id":1830017,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2023-07-13T20:42:20.000Z","date":"2023-07-12","kind":"sale","planned":true,"acquired":false,"shares":1335,"price":0.39,"value":520.65,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.38 to $0.40. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":199687,"source":{"system":"sec-edgar","filing":"0001127602-23-020671","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760223020671/form4.xml","form_type":"4"}},{"id":1830016,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2023-07-13T20:42:20.000Z","date":"2023-07-11","kind":"sale","planned":true,"acquired":false,"shares":1363,"price":0.37,"value":504.31,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.37 to $0.38. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":201022,"source":{"system":"sec-edgar","filing":"0001127602-23-020671","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760223020671/form4.xml","form_type":"4"}},{"id":1830748,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2023-07-13T01:20:29.000Z","date":"2023-07-10","kind":"sale","planned":true,"acquired":false,"shares":1304,"price":0.37,"value":482.48,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.37 to $0.38. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":202385,"source":{"system":"sec-edgar","filing":"0000950170-23-032734","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000095017023032734/ownership.xml","form_type":"4/A","original_submission_date":"2023-07-11"}},{"id":1830747,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2023-07-13T01:20:29.000Z","date":"2023-07-07","kind":"sale","planned":true,"acquired":false,"shares":1306,"price":0.36,"value":470.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.34 to $0.36. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 6,329 shares acquired under the Issuer's Employee Stock Purchase Plan on June 30, 2023."}],"balance_after":203689,"source":{"system":"sec-edgar","filing":"0000950170-23-032734","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000095017023032734/ownership.xml","form_type":"4/A","original_submission_date":"2023-07-11"}},{"id":1830738,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Restricted Stock Unit","published_at":"2023-07-13T01:15:14.000Z","date":"2023-07-04","kind":"exercise","planned":true,"acquired":false,"shares":150000,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit represents a contingent right to receive one share of Issuer common stock."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit represents a contingent right to receive one share of Issuer common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The Restricted Stock Units fully vested on July 4, 2023 and do not have an expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The Restricted Stock Units fully vested on July 4, 2023 and do not have an expiration date."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":150000},"source":{"system":"sec-edgar","filing":"0000950170-23-032730","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000095017023032730/ownership.xml","form_type":"4/A","original_submission_date":"2023-07-07"}},{"id":1830737,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2023-07-13T01:15:14.000Z","date":"2023-07-06","kind":"sale","planned":true,"acquired":false,"shares":1384,"price":0.34,"value":470.56,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the Restricted Stock Units pursuant to a Rule 10b5-1 trading plan entered into on March 22, 2022 and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $0.33 to $0.35. The price reported in this column reflects the weighted average sales price. 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There have been no other changes to the terms of these options."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option vests and becomes exercisable in equal monthly installments over a four year period commencing on February 1, 2020, and will be fully vested and exercisable on January 1, 2024."}],"balance_after":57500,"derivative":{"exercise_price":2.14,"expiration_date":"2030-02-11","underlying":"Common Stock","underlying_shares":57500},"source":{"system":"sec-edgar","filing":"0001127602-22-021375","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760222021375/form4.xml","form_type":"4"}},{"id":2177885,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Stock Option","published_at":"2022-08-19T20:04:12.000Z","date":"2022-08-17","kind":"disposition_to_issuer","acquired":false,"shares":146826,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction reported herein reflects a one-time stock option repricing that became effective on August 17, 2022 and is being reported in this manner solely to comply with the technical reporting requirements under Section 16(a) of the Securities Exchange Act of 1934, as amended. There have been no other changes to the terms of these options."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests and becomes exercisable in equal monthly installments over a four year period commencing on November 2, 2019, and will be fully vested and exercisable on October 2, 2023."}],"balance_after":0,"derivative":{"exercise_price":14,"expiration_date":"2029-10-01","underlying":"Common Stock","underlying_shares":146826},"source":{"system":"sec-edgar","filing":"0001127602-22-021375","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760222021375/form4.xml","form_type":"4"}},{"id":2177884,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Stock Option","published_at":"2022-08-19T20:04:12.000Z","date":"2022-08-17","kind":"grant","acquired":true,"shares":146826,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The transaction reported herein reflects a one-time stock option repricing that became effective on August 17, 2022 and is being reported in this manner solely to comply with the technical reporting requirements under Section 16(a) of the Securities Exchange Act of 1934, as amended. There have been no other changes to the terms of these options."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests and becomes exercisable in equal monthly installments over a four year period commencing on November 2, 2019, and will be fully vested and exercisable on October 2, 2023."}],"balance_after":146826,"derivative":{"exercise_price":2.14,"expiration_date":"2029-10-01","underlying":"Common Stock","underlying_shares":146826},"source":{"system":"sec-edgar","filing":"0001127602-22-021375","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760222021375/form4.xml","form_type":"4"}},{"id":2210482,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Restricted Stock Unit","published_at":"2022-07-07T20:51:45.000Z","date":"2022-07-05","kind":"exercise","acquired":false,"shares":15000,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Issuer common stock."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Issuer common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The restricted stock units will vest as to 50% on February 14, 2022 and 50% on July 4, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Issuer common stock."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":15000},"source":{"system":"sec-edgar","filing":"0001127602-22-019051","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760222019051/form4.xml","form_type":"4"}},{"id":2210481,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2022-07-07T20:51:45.000Z","date":"2022-07-06","kind":"sale","acquired":false,"shares":4415,"price":1.53,"value":6754.95,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $1.49 to $1.56. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":50050,"source":{"system":"sec-edgar","filing":"0001127602-22-019051","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760222019051/form4.xml","form_type":"4"}},{"id":2210480,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2022-07-07T20:51:45.000Z","date":"2022-07-05","kind":"exercise","acquired":true,"shares":15000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Issuer common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 4638 shares acquired under the Issuer's Employee Stock Purchase Plan on June 30, 2022."}],"balance_after":54465,"source":{"system":"sec-edgar","filing":"0001127602-22-019051","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760222019051/form4.xml","form_type":"4"}},{"id":2377180,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2022-02-23T21:41:37.000Z","date":"2022-02-22","kind":"sale","acquired":false,"shares":1069,"price":3.53,"value":3773.57,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $3.40 to $3.73. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":34827,"source":{"system":"sec-edgar","filing":"0001127602-22-006339","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760222006339/form4.xml","form_type":"4"}},{"id":2377179,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2022-02-23T21:41:37.000Z","date":"2022-02-18","kind":"sale","acquired":false,"shares":974,"price":3.873,"value":3772.302,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $3.80 to $3.95. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":35896,"source":{"system":"sec-edgar","filing":"0001127602-22-006339","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760222006339/form4.xml","form_type":"4"}},{"id":2384697,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Restricted Stock Unit","published_at":"2022-02-18T21:13:09.000Z","date":"2022-02-17","kind":"grant","acquired":true,"shares":150000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each restricted stock unit represents a contingent right to receive one share of Issuer common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The restricted stock units will fully vest on July 4, 2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The restricted stock units will fully vest on July 4, 2023."}],"balance_after":150000,"derivative":{"underlying":"Common Stock","underlying_shares":150000},"source":{"system":"sec-edgar","filing":"0001127602-22-005752","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760222005752/form4.xml","form_type":"4"}},{"id":2384696,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2022-02-18T21:13:09.000Z","date":"2022-02-17","kind":"sale","acquired":false,"shares":900,"price":4.193,"value":3773.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $4.00 to $4.48. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":36870,"source":{"system":"sec-edgar","filing":"0001127602-22-005752","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760222005752/form4.xml","form_type":"4"}},{"id":2384695,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2022-02-18T21:13:09.000Z","date":"2022-02-16","kind":"sale","acquired":false,"shares":851,"price":4.429,"value":3769.079,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $4.29 to $4.54. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":37770,"source":{"system":"sec-edgar","filing":"0001127602-22-005752","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760222005752/form4.xml","form_type":"4"}},{"id":2391228,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Restricted Stock Unit","published_at":"2022-02-16T22:02:31.000Z","date":"2022-02-14","kind":"exercise","acquired":false,"shares":15000,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Issuer common stock."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Issuer common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The restricted stock units will vest as to 50% on February 14, 2022 and 50% on July 4, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Issuer common stock."}],"balance_after":15000,"derivative":{"underlying":"Common Stock","underlying_shares":15000},"source":{"system":"sec-edgar","filing":"0001127602-22-005331","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760222005331/form4.xml","form_type":"4"}},{"id":2391227,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2022-02-16T22:02:31.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":863,"price":4.331,"value":3737.653,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents a portion of the shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the restricted stock units and does not represent discretionary trades by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $4.28 to $4.40. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of shares sold at each price."}],"balance_after":38621,"source":{"system":"sec-edgar","filing":"0001127602-22-005331","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760222005331/form4.xml","form_type":"4"}},{"id":2391226,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2022-02-16T22:02:31.000Z","date":"2022-02-14","kind":"exercise","acquired":true,"shares":15000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Issuer common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 2,702 shares acquired under the Issuer's Employee Stock Purchase Plan on December 31, 2021."}],"balance_after":39484,"source":{"system":"sec-edgar","filing":"0001127602-22-005331","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760222005331/form4.xml","form_type":"4"}},{"id":2741519,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Restricted Stock Unit","published_at":"2021-04-22T20:14:05.000Z","date":"2021-04-20","kind":"grant","acquired":true,"shares":30000,"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 one share of Issuer common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units will vest as to 50% on February 14, 2022 and 50% on July 4, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Issuer common stock."}],"balance_after":30000,"derivative":{"underlying":"Common Stock","underlying_shares":30000},"source":{"system":"sec-edgar","filing":"0001127602-21-014280","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760221014280/form4.xml","form_type":"4"}},{"id":2880631,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2021-02-03T22:58:38.000Z","date":"2021-02-03","kind":"sale","acquired":false,"shares":2000,"price":47.19,"value":94380.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 11, 2020."}],"balance_after":21782,"source":{"system":"sec-edgar","filing":"0001127602-21-003789","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760221003789/form4.xml","form_type":"4"}},{"id":2880630,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2021-02-03T22:58:38.000Z","date":"2021-02-02","kind":"sale","acquired":false,"shares":8000,"price":45.0245,"value":360196.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 11, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $45 to $45.42. The price reported in this column reflects the weighted average sales price. 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The price reported in this column reflects the weighted average sales price. 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reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $21.25 to $22.19. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":143806,"source":{"system":"sec-edgar","filing":"0001127602-20-025709","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760220025709/form4.xml","form_type":"4"}},{"id":3022130,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-09-25T12:55:01.000Z","date":"2020-09-23","kind":"sale","acquired":false,"shares":1870,"price":20.5121,"value":38357.627,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $20.15 to $20.96. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":146412,"source":{"system":"sec-edgar","filing":"0001127602-20-025709","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760220025709/form4.xml","form_type":"4"}},{"id":3034019,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-09-10T20:56:12.000Z","date":"2020-09-09","kind":"sale","acquired":false,"shares":776,"price":19.2576,"value":14943.8976,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $19.16 to $19.39. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":148282,"source":{"system":"sec-edgar","filing":"0001127602-20-024908","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760220024908/form4.xml","form_type":"4"}},{"id":3034018,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-09-10T20:56:12.000Z","date":"2020-09-09","kind":"sale","acquired":false,"shares":3724,"price":18.9111,"value":70424.9364,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $18.14 to $19.14. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":149058,"source":{"system":"sec-edgar","filing":"0001127602-20-024908","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760220024908/form4.xml","form_type":"4"}},{"id":3050637,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-08-20T20:29:46.000Z","date":"2020-08-19","kind":"sale","acquired":false,"shares":4500,"price":22.9666,"value":103349.7,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $22.77 to $23.24. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":152782,"source":{"system":"sec-edgar","filing":"0001127602-20-023991","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760220023991/form4.xml","form_type":"4"}},{"id":3065543,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-08-06T21:15:37.000Z","date":"2020-08-05","kind":"sale","acquired":false,"shares":58,"price":21.9086,"value":1270.6988,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $21.85 to $21.95. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":157282,"source":{"system":"sec-edgar","filing":"0001127602-20-023081","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760220023081/form4.xml","form_type":"4"}},{"id":3065542,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-08-06T21:15:37.000Z","date":"2020-08-05","kind":"sale","acquired":false,"shares":4442,"price":21.2051,"value":94193.0542,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $20.72 to $21.66. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":157340,"source":{"system":"sec-edgar","filing":"0001127602-20-023081","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760220023081/form4.xml","form_type":"4"}},{"id":3076727,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-07-23T21:10:00.000Z","date":"2020-07-22","kind":"sale","acquired":false,"shares":4500,"price":21.509,"value":96790.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $21.31 to $21.70. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":161782,"source":{"system":"sec-edgar","filing":"0001127602-20-022045","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760220022045/form4.xml","form_type":"4"}},{"id":3084732,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-07-10T20:30:31.000Z","date":"2020-07-08","kind":"sale","acquired":false,"shares":779,"price":22.967,"value":17891.293,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $22.92 to $23.02. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":166282,"source":{"system":"sec-edgar","filing":"0000899243-20-018925","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000089924320018925/doc4.xml","form_type":"4"}},{"id":3084731,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-07-10T20:30:31.000Z","date":"2020-07-08","kind":"sale","acquired":false,"shares":3721,"price":22.1843,"value":82547.7803,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $21.87 to $22.80. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":167061,"source":{"system":"sec-edgar","filing":"0000899243-20-018925","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000089924320018925/doc4.xml","form_type":"4"}},{"id":3099515,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-06-25T22:18:42.000Z","date":"2020-06-24","kind":"sale","acquired":false,"shares":4500,"price":22.7971,"value":102586.95,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $22.33 to $23.12. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":170782,"source":{"system":"sec-edgar","filing":"0001127602-20-020363","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760220020363/form4.xml","form_type":"4"}},{"id":3111375,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-06-12T21:13:06.000Z","date":"2020-06-10","kind":"sale","acquired":false,"shares":4500,"price":19.962,"value":89829.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $19.72 to $20.26. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":175282,"source":{"system":"sec-edgar","filing":"0001127602-20-019507","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760220019507/form4.xml","form_type":"4"}},{"id":3136446,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-05-22T21:56:34.000Z","date":"2020-05-20","kind":"sale","acquired":false,"shares":1832,"price":19.3277,"value":35408.3464,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $19.23 to $19.42. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":187282,"source":{"system":"sec-edgar","filing":"0001127602-20-017821","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760220017821/form4.xml","form_type":"4"}},{"id":3136445,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-05-22T21:56:34.000Z","date":"2020-05-20","kind":"sale","acquired":false,"shares":2668,"price":18.8164,"value":50202.1552,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $18.23 to $19.22. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":189114,"source":{"system":"sec-edgar","filing":"0001127602-20-017821","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760220017821/form4.xml","form_type":"4"}},{"id":3157716,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-05-07T21:05:37.000Z","date":"2020-05-06","kind":"sale","acquired":false,"shares":554,"price":16.6791,"value":9240.2214,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $16.61 to $16.79. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":191782,"source":{"system":"sec-edgar","filing":"0001127602-20-015786","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760220015786/form4.xml","form_type":"4"}},{"id":3157715,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-05-07T21:05:37.000Z","date":"2020-05-06","kind":"sale","acquired":false,"shares":3946,"price":16.2261,"value":64028.1906,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $15.59 to $16.58. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":192336,"source":{"system":"sec-edgar","filing":"0001127602-20-015786","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760220015786/form4.xml","form_type":"4"}},{"id":3169905,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-04-24T20:52:14.000Z","date":"2020-04-22","kind":"sale","acquired":false,"shares":4500,"price":14.8432,"value":66794.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $14.51 to $15.1. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":196282,"source":{"system":"sec-edgar","filing":"0001127602-20-014478","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760220014478/form4.xml","form_type":"4"}},{"id":3178373,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2020-04-10T19:17:28.000Z","date":"2020-04-08","kind":"sale","acquired":false,"shares":4500,"price":14.993,"value":67468.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades through a broker-dealer at prices ranging from $14.71 to $15.68. The price reported in this column reflects the weighted average sales price.\nUpon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price."}],"balance_after":200782,"source":{"system":"sec-edgar","filing":"0001127602-20-013565","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1703647/000112760220013565/form4.xml","form_type":"4"}},{"id":3269812,"issuer":{"id":6388,"kind":"organization","name":"Korro Bio, Inc.","symbol":"KRRO"},"owners":[{"id":111017,"kind":"person","name":"Loose Christopher R.","position":1,"cik":"0001785299","reported_name":"Loose Christopher R.","relationship":{"officer":true,"officer_title":"Chief Scientific Officer"}}],"security":"Stock 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