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This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a \"sell to cover\" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the Reporting Person. The shares vested pursuant to awards that were granted on February 13, 2023 and March 10, 2025. Each RSU represents the contingent right to receive upon vesting of the RSU, one share of the Issuer's common stock.  The shares subject to these RSU awards vest annually over four years, subject to a continued service relationship with the Issuer on the applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"(2) Consists of 86,859 shares of common stock and 82,228 RSUs."}],"balance_after":169087,"source":{"system":"sec-edgar","filing":"0001922346-26-000004","document":"form4-02192026_040204.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000192234626000004/form4-02192026_040204.xml","form_type":"4"}},{"id":910157,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2026-02-11T18:10:07.000Z","date":"2026-02-09","kind":"grant","planned":false,"acquired":true,"shares":29258,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (\"RSUs\") subject to time-based vesting conditions. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest in four annual installments over four years, with the first annual installment to vest on January 15, 2027 and each additional installment to vest annually thereafter; provided the reporting person continues to have a service relationship with the Issuer on each such vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 78,283 shares of common stock and 99,839 RSUs."}],"balance_after":178122,"source":{"system":"sec-edgar","filing":"0001104659-26-013584","document":"tm266077-5_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000110465926013584/tm266077-5_4seq1.xml","form_type":"4"}},{"id":934386,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2026-01-21T19:51:26.000Z","date":"2026-01-16","kind":"sale","planned":false,"acquired":false,"shares":6600,"price":44.4777,"value":293552.82,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the vesting of restricted stock units (\"RSU\") on January 15, 2026. This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a \"sell to cover\" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the Reporting Person. The shares vested pursuant to awards that were granted on February 14, 2022 and February 12, 2024. Each RSU represents the contingent right to receive upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to these RSU awards are fully vested."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 78,283 shares of common stock and 70,581 RSUs."}],"balance_after":148864,"source":{"system":"sec-edgar","filing":"0001922346-26-000002","document":"form4-01222026_120123.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000192234626000002/form4-01222026_120123.xml","form_type":"4"}},{"id":1062074,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2025-08-19T16:30:21.000Z","date":"2025-08-18","kind":"sale","planned":false,"acquired":false,"shares":2178,"price":31.1663,"value":67880.2014,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of restricted stock units (\"RSU\") on August 15, 2025. This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a \"sell to cover\" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the reporting person. The shares vested pursuant to awards that were granted on October 26, 2021. Each RSU represents the contingent right to receive upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to these RSU awards are fully vested."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 66,222 shares of common stock and 89,242 RSUs."}],"balance_after":155464,"source":{"system":"sec-edgar","filing":"0001415889-25-022310","document":"form4-08192025_040803.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000141588925022310/form4-08192025_040803.xml","form_type":"4"}},{"id":1108269,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2025-06-17T16:30:12.000Z","date":"2025-06-16","kind":"sale","planned":false,"acquired":false,"shares":6186,"price":32.0014,"value":197960.6604,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the vesting of restricted stock units (\"RSUs\") on June 15, 2025. This sale is mandated by the Issuer's election under its equity incentive plans to require the Reporting Person to fund this tax withholding obligation by completing a \"sell to cover\" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the Reporting Person. The shares vested pursuant to awards that were granted on June 16, 2022. Each RSU represents the contingent right to receive upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to these RSU awards are fully vested."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 64,200 shares of common stock and 93,442 RSUs."}],"balance_after":157642,"source":{"system":"sec-edgar","filing":"0001415889-25-017538","document":"form4-06172025_040608.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000141588925017538/form4-06172025_040608.xml","form_type":"4"}},{"id":1210102,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-03-12T17:00:19.000Z","date":"2025-03-10","kind":"grant","planned":false,"acquired":true,"shares":31430,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Options to vest in sixteen quarterly installments over four years, with the first quarterly installment to vest on April 1, 2025 and each additional installment to vest quarterly thereafter; provided the individual continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":31430,"derivative":{"exercise_price":35.15,"expiration_date":"2035-03-10","underlying":"Common Stock","underlying_shares":31430},"source":{"system":"sec-edgar","filing":"0001415889-25-007841","document":"form4-03122025_050316.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000141588925007841/form4-03122025_050316.xml","form_type":"4"}},{"id":1210101,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2025-03-12T17:00:19.000Z","date":"2025-03-10","kind":"grant","planned":false,"acquired":true,"shares":23570,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Each restricted stock unit (\"RSU\") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest in four annual installments over four years, with the first annual installment to vest on February 15, 2026 and each additional installment to vest annually thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 58,469 shares of common stock and 105,359 RSUs"}],"balance_after":163828,"source":{"system":"sec-edgar","filing":"0001415889-25-007841","document":"form4-03122025_050316.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000141588925007841/form4-03122025_050316.xml","form_type":"4"}},{"id":1256172,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2025-02-20T18:30:43.000Z","date":"2025-02-18","kind":"sale","planned":false,"acquired":false,"shares":5296,"price":36.829,"value":195046.384,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of restricted stock units (\"RSU\") on February 15, 2025.  This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a \"sell to cover\" transaction with a brokerage firm designated by the Issuer.  This sale does not represent a discretionary trade by the reporting person.  The shares vested pursuant to awards that were granted on February 13, 2023.  Each RSU represents the contingent right to receive upon vesting of the RSU, one share of the Issuer's common stock.  The shares subject to these RSU awards vest annually over four years, subject to a continued service relationship with the Issuer on the applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 58,469 shares of common stock and 81,789 RSUs."}],"balance_after":140258,"source":{"system":"sec-edgar","filing":"0001415889-25-004943","document":"form4-02202025_110239.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000141588925004943/form4-02202025_110239.xml","form_type":"4"}},{"id":1298897,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2025-01-21T16:35:10.000Z","date":"2025-01-16","kind":"sale","planned":false,"acquired":false,"shares":6434,"price":44.1972,"value":284364.7848,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of restricted stock units (\"RSU\") on January 15, 2025.  This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a \"sell to cover\" transaction with a brokerage firm designated by the Issuer.  This sale does not represent a discretionary trade by the reporting person.  The shares vested pursuant to awards that were granted on February 14, 2022 and February 12, 2024.  Each RSU represents the contingent right to receive upon vesting of the RSU, one share of the Issuer's common stock.  The shares subject to these RSU awards vest annually over four years, subject to a continued service relationship with the Issuer on the applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 52,046 shares of common stock and 93,508 RSUs."}],"balance_after":145554,"source":{"system":"sec-edgar","filing":"0001415889-25-001791","document":"form4-01212025_040106.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000141588925001791/form4-01212025_040106.xml","form_type":"4"}},{"id":1429590,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2024-08-19T17:00:18.000Z","date":"2024-08-16","kind":"sale","planned":false,"acquired":false,"shares":1451,"price":9.33,"value":13537.83,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of restricted stock units (\"RSU\") on August 15, 2024. This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a \"sell to cover\" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the reporting person. The shares vested pursuant to awards that were granted on October 26, 2021. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to these RSU awards vest annually over four years, subject to a continued service relationship with the Issuer on the applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 39,819 shares of common stock and 112,169 RSUs."}],"balance_after":151988,"source":{"system":"sec-edgar","filing":"0001104659-24-090887","document":"tm2422053-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000110465924090887/tm2422053-1_4seq1.xml","form_type":"4"}},{"id":1475749,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2024-06-18T17:55:09.000Z","date":"2024-06-17","kind":"sale","planned":false,"acquired":false,"shares":4305,"price":8.9849,"value":38679.9945,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of restricted stock units (\"RSU\") on June 17, 2024. This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a \"sell to cover\" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the reporting person. The shares vested pursuant to awards that were granted on June 16, 2022. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to these RSU awards vest annually over three years, subject to a continued service relationship with the Issuer on the applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 37,070 shares of common stock and 116,369 RSUs."}],"balance_after":153439,"source":{"system":"sec-edgar","filing":"0001415889-24-017483","document":"form4-06182024_090605.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000141588924017483/form4-06182024_090605.xml","form_type":"4"}},{"id":1634306,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2024-02-20T16:52:55.000Z","date":"2024-02-16","kind":"sale","planned":false,"acquired":false,"shares":3751,"price":15.7432,"value":59052.7432,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of restricted stock units (\"RSU\") on February 15, 2024.  This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a \"sell to cover\" transaction with a brokerage firm designated by the Issuer.  This sale does not represent a discretionary trade by the reporting person.  The shares vested pursuant to awards that were granted on February 13, 2023.  Each RSU represents the contingent right to receive upon vesting of the RSU, one share of the Issuer's common stock.  The shares subject to these RSU awards vest annually over four years, subject to a continued service relationship with the Issuer on the applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 29,458 shares of common stock and 128,286 RSUs."}],"balance_after":157744,"source":{"system":"sec-edgar","filing":"0001415889-24-004393","document":"form4-02202024_090233.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000141588924004393/form4-02202024_090233.xml","form_type":"4"}},{"id":1646618,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Stock Option (Right to Buy)","published_at":"2024-02-13T19:09:27.000Z","date":"2024-02-12","kind":"grant","planned":false,"acquired":true,"shares":62855,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Options to vest in sixteen quarterly installments over four years, with the first quarterly installment to vest on April 1, 2024 and each additional installment to vest quarterly thereafter; provided the individual continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":62855,"derivative":{"exercise_price":15.75,"expiration_date":"2034-02-12","underlying":"Common Stock","underlying_shares":62855},"source":{"system":"sec-edgar","filing":"0001415889-24-003626","document":"form4-02142024_120209.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000141588924003626/form4-02142024_120209.xml","form_type":"4"}},{"id":1646617,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2024-02-13T19:09:27.000Z","date":"2024-02-12","kind":"grant","planned":false,"acquired":true,"shares":47145,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Each restricted stock unit (\"RSU\") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest in four annual installments over four years, with the first annual installment to vest on January 15, 2025 and each additional installment to vest annually thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 21,491 shares of common stock and 140,004 RSUs."}],"balance_after":161495,"source":{"system":"sec-edgar","filing":"0001415889-24-003626","document":"form4-02142024_120209.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000141588924003626/form4-02142024_120209.xml","form_type":"4"}},{"id":1676660,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2024-01-18T16:08:59.000Z","date":"2024-01-16","kind":"sale","planned":false,"acquired":false,"shares":2849,"price":15.9289,"value":45381.4361,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of restricted stock units (\"RSU\") on January 15, 2024.  This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a \"sell to cover\" transaction with a brokerage firm designated by the Issuer.  This sale does not represent a discretionary trade by the reporting person.  The shares vested pursuant to awards that were granted on February 14, 2022.  Each RSU represents the contingent right to receive upon vesting of the RSU, one share of the Issuer's common stock.  The shares subject to these RSU awards vest annually over four years, subject to a continued service relationship with the Issuer on the applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 21,491 shares of common stock and 92,859 RSUs."}],"balance_after":114350,"source":{"system":"sec-edgar","filing":"0001415889-24-001522","document":"form4-01182024_090154.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000141588924001522/form4-01182024_090154.xml","form_type":"4"}},{"id":1802101,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2023-08-18T16:05:11.000Z","date":"2023-08-16","kind":"sale","planned":false,"acquired":false,"shares":1353,"price":6.8303,"value":9241.3959,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of restricted stock units (\"RSU\") on August 15, 2023. This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a \"sell to cover\" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the reporting person. The shares vested pursuant to an award that was granted on October 26, 2021. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU award vest annually over four years, subject to a continued service relationship with the Issuer on such vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 17,465 shares of common stock and 99,734 RSUs."}],"balance_after":117199,"source":{"system":"sec-edgar","filing":"0001104659-23-093476","document":"tm2324047-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000110465923093476/tm2324047-1_4seq1.xml","form_type":"4"}},{"id":1846761,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2023-06-22T18:35:14.000Z","date":"2023-06-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":4038,"price":8.7498,"value":35331.6924,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of restricted stock units (\"RSU\") on June 15, 2023. This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a \"sell to cover\" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the reporting person. The shares vested pursuant to awards that were granted on June 16, 2022. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to these RSU awards vest annually over three years, subject to a continued service relationship with the Issuer on the applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 14,618 shares of common stock and 103,934 RSUs."}],"balance_after":118552,"source":{"system":"sec-edgar","filing":"0001415889-23-010188","document":"form4-06222023_100610.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000141588923010188/form4-06222023_100610.xml","form_type":"4"}},{"id":2013825,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Stock Option (Right to Buy)","published_at":"2023-02-15T16:39:22.000Z","date":"2023-02-13","kind":"grant","acquired":true,"shares":62500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Options to vest in sixteen quarterly installments over four years, with the first quarterly installment to vest on April 1, 2023 and each additional installment to vest quarterly thereafter; provided the individual continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":62500,"derivative":{"exercise_price":10,"expiration_date":"2033-02-13","underlying":"Common Stock","underlying_shares":62500},"source":{"system":"sec-edgar","filing":"0001415889-23-002612","document":"form4-02152023_090255.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000141588923002612/form4-02152023_090255.xml","form_type":"4"}},{"id":2013824,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2023-02-15T16:39:22.000Z","date":"2023-02-13","kind":"grant","acquired":true,"shares":46875,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Each restricted stock unit (\"RSU\") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest in four annual installments over four years, with the first annual installment to vest on February 15, 2024 and each additional installment to vest annually thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 6,740 shares of common stock and 115,850 RSUs."}],"balance_after":122590,"source":{"system":"sec-edgar","filing":"0001415889-23-002612","document":"form4-02152023_090255.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000141588923002612/form4-02152023_090255.xml","form_type":"4"}},{"id":2051067,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2023-01-19T18:18:47.000Z","date":"2023-01-17","kind":"tax_withholding","acquired":false,"shares":2934,"price":11.2802,"value":33096.1068,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of restricted stock units (\"RSU\") on January 15, 2023. This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a \"sell to cover\" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the reporting person. The shares vested pursuant to an award that was granted on February 14, 2022. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU award vest annually over four years, subject to a continued service relationship with the Issuer on such applicable vesting date."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This price reported above represents the weighted average selling price, as the transaction was executed in multiple trades. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions were effected to the SEC staff upon request."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 6,740 shares of common stock and 68,975 RSUs."}],"balance_after":75715,"source":{"system":"sec-edgar","filing":"0001415889-23-001216","document":"form4-01192023_110138.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000141588923001216/form4-01192023_110138.xml","form_type":"4"}},{"id":2182283,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2022-08-17T17:00:44.000Z","date":"2022-08-16","kind":"tax_withholding","acquired":false,"shares":1401,"price":11.34,"value":15887.34,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of\nrestricted stock units (\"RSU\") on August 15, 2022. This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a \"sell to cover\" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the reporting person. The shares vested pursuant to an award that was granted on October 26, 2021. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU award will vest annually over four years, with the first annual installment to vest on August 15, 2022 and each additional installment to vest annually thereafter, subject to a continued service relationship with the Issuer on such vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 2,799 shares of common stock and 75,850 RSUs."}],"balance_after":78649,"source":{"system":"sec-edgar","filing":"0001104659-22-092230","document":"tm2223683-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000110465922092230/tm2223683-1_4seq1.xml","form_type":"4"}},{"id":2225774,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Stock Option (Right to Buy)","published_at":"2022-06-21T17:04:10.000Z","date":"2022-06-16","kind":"grant","acquired":true,"shares":35750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Options shall vest and become exercisable in twelve quarterly installments over three years, with the first quarterly installment to vest on September\n16, 2022 and each additional installment to vest quarterly thereafter, provided the individual continues to have a service relationship with the Company on such\nvesting date."}],"balance_after":35750,"derivative":{"exercise_price":4.86,"expiration_date":"2032-06-16","underlying":"Common Stock","underlying_shares":35750},"source":{"system":"sec-edgar","filing":"0001104659-22-073037","document":"tm2218901-7_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000110465922073037/tm2218901-7_4seq1.xml","form_type":"4"}},{"id":2225773,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2022-06-21T17:04:10.000Z","date":"2022-06-16","kind":"grant","acquired":true,"shares":35750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Each restricted stock unit (\"RSU\") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The\nshares subject to this RSU vest in three annual installments over three years, with the first annual installment to vest on June 15, 2023 and each additional\ninstallment to vest annually thereafter; provided the individual continues to have a service relationship with the Company on such vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 80,050 RSUs."}],"balance_after":80050,"source":{"system":"sec-edgar","filing":"0001104659-22-073037","document":"tm2218901-7_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000110465922073037/tm2218901-7_4seq1.xml","form_type":"4"}}]}