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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":"Consists of 131,646 shares of common stock and 109,899 RSUs."}],"balance_after":241545,"source":{"system":"sec-edgar","filing":"0001868114-26-000004","document":"form4-02192026_040206.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000186811426000004/form4-02192026_040206.xml","form_type":"4"}},{"id":909979,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Common Stock","published_at":"2026-02-11T23:08:09.000Z","date":"2026-02-09","kind":"grant","planned":false,"acquired":true,"shares":36572,"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 121,471 shares of common stock and 129,654 RSUs."}],"balance_after":251125,"source":{"system":"sec-edgar","filing":"0001104659-26-013581","document":"tm266077-3_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926013581/tm266077-3_4seq1.xml","form_type":"4"}},{"id":934237,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2026-01-22T00:50:02.000Z","date":"2026-01-16","kind":"sale","planned":false,"acquired":false,"shares":8016,"price":44.4777,"value":356533.2432,"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 121,471 shares of common stock and 93,082 RSUs."}],"balance_after":214553,"source":{"system":"sec-edgar","filing":"0001868114-26-000002","document":"form4-01222026_120158.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000186811426000002/form4-01222026_120158.xml","form_type":"4"}},{"id":1108040,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2025-06-17T20:30:10.000Z","date":"2025-06-16","kind":"sale","planned":false,"acquired":false,"shares":7442,"price":32.0014,"value":238154.4188,"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 105,648 shares of common stock and 116,921 RSUs."}],"balance_after":222569,"source":{"system":"sec-edgar","filing":"0001415889-25-017537","document":"form4-06172025_040606.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925017537/form4-06172025_040606.xml","form_type":"4"}},{"id":1115028,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-06-11T20:30:15.000Z","date":"2025-06-09","kind":"grant","planned":false,"acquired":true,"shares":11429,"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 August 12, 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":11429,"derivative":{"exercise_price":34.07,"expiration_date":"2035-06-09","underlying":"Common Stock","underlying_shares":11429},"source":{"system":"sec-edgar","filing":"0001415889-25-016671","document":"form4-06112025_040601.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925016671/form4-06112025_040601.xml","form_type":"4"}},{"id":1115027,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2025-06-11T20:30:15.000Z","date":"2025-06-09","kind":"grant","planned":false,"acquired":true,"shares":8571,"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 the RSU vest in four annual installments over four years, with the first annual installment to vest on May 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 97,923 shares of common stock and 132,088 RSUs."}],"balance_after":230011,"source":{"system":"sec-edgar","filing":"0001415889-25-016671","document":"form4-06112025_040601.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925016671/form4-06112025_040601.xml","form_type":"4"}},{"id":1209687,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-03-12T21:00:12.000Z","date":"2025-03-10","kind":"grant","planned":false,"acquired":true,"shares":42855,"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":42855,"derivative":{"exercise_price":35.15,"expiration_date":"2035-03-10","underlying":"Common Stock","underlying_shares":42855},"source":{"system":"sec-edgar","filing":"0001415889-25-007838","document":"form4-03122025_050309.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925007838/form4-03122025_050309.xml","form_type":"4"}},{"id":1209686,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2025-03-12T21:00:12.000Z","date":"2025-03-10","kind":"grant","planned":false,"acquired":true,"shares":32145,"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 97,923 shares of common stock and 123,517 RSUs"}],"balance_after":221440,"source":{"system":"sec-edgar","filing":"0001415889-25-007838","document":"form4-03122025_050309.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925007838/form4-03122025_050309.xml","form_type":"4"}},{"id":1255842,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2025-02-20T22:53:19.000Z","date":"2025-02-18","kind":"sale","planned":false,"acquired":false,"shares":5742,"price":36.829,"value":211472.118,"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 97,923 shares of common stock and 91,372 RSUs."}],"balance_after":189295,"source":{"system":"sec-edgar","filing":"0001415889-25-004919","document":"form4-02202025_100215.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925004919/form4-02202025_100215.xml","form_type":"4"}},{"id":1298822,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2025-01-21T21:35:05.000Z","date":"2025-01-16","kind":"sale","planned":false,"acquired":false,"shares":9039,"price":44.1972,"value":399498.4908,"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 1, 2021, 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 91,946 shares of common stock and 103,091 RSUs."}],"balance_after":195037,"source":{"system":"sec-edgar","filing":"0001415889-25-001789","document":"form4-01212025_040101.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925001789/form4-01212025_040101.xml","form_type":"4"}},{"id":1475413,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2024-06-18T21:53:00.000Z","date":"2024-06-17","kind":"sale","planned":false,"acquired":false,"shares":4695,"price":8.9846,"value":42182.697,"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 74,259 shares of common stock and 129,817 RSUs."}],"balance_after":204076,"source":{"system":"sec-edgar","filing":"0001415889-24-017479","document":"form4-06182024_090656.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588924017479/form4-06182024_090656.xml","form_type":"4"}},{"id":1633862,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2024-02-20T21:48:18.000Z","date":"2024-02-16","kind":"sale","planned":false,"acquired":false,"shares":3489,"price":15.7432,"value":54928.0248,"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 63,787 shares of common stock and 144,984 RSUs."}],"balance_after":208771,"source":{"system":"sec-edgar","filing":"0001415889-24-004385","document":"form4-02202024_090209.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588924004385/form4-02202024_090209.xml","form_type":"4"}},{"id":1646291,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Stock Option (Right to Buy)","published_at":"2024-02-14T00:07:07.000Z","date":"2024-02-12","kind":"grant","planned":false,"acquired":true,"shares":77145,"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":77145,"derivative":{"exercise_price":15.75,"expiration_date":"2034-02-12","underlying":"Common Stock","underlying_shares":77145},"source":{"system":"sec-edgar","filing":"0001415889-24-003624","document":"form4-02142024_120248.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588924003624/form4-02142024_120248.xml","form_type":"4"}},{"id":1646290,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2024-02-14T00:07:07.000Z","date":"2024-02-12","kind":"grant","planned":false,"acquired":true,"shares":57855,"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 55,558 shares of common stock and 156,702 RSUs."}],"balance_after":212260,"source":{"system":"sec-edgar","filing":"0001415889-24-003624","document":"form4-02142024_120248.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588924003624/form4-02142024_120248.xml","form_type":"4"}},{"id":1676450,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2024-01-18T21:05:44.000Z","date":"2024-01-16","kind":"sale","planned":false,"acquired":false,"shares":4186,"price":15.9286,"value":66677.1196,"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 1, 2021 and 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 55,558 shares of common stock and 98,847 RSUs."}],"balance_after":154405,"source":{"system":"sec-edgar","filing":"0001415889-24-001516","document":"form4-01182024_090132.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588924001516/form4-01182024_090132.xml","form_type":"4"}},{"id":1846578,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2023-06-22T22:31:36.000Z","date":"2023-06-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":4346,"price":8.7498,"value":38026.6308,"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 47,482 shares of common stock and 111,109 RSUs."}],"balance_after":158591,"source":{"system":"sec-edgar","filing":"0001415889-23-010184","document":"form4-06222023_100631.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588923010184/form4-06222023_100631.xml","form_type":"4"}},{"id":2013663,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Stock Option (Right to Buy)","published_at":"2023-02-15T21:35:55.000Z","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":"0001415889-23-002609","document":"form4-02152023_090241.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588923002609/form4-02152023_090241.xml","form_type":"4"}},{"id":2013662,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2023-02-15T21:35:55.000Z","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 36,662 shares of common stock and126,275 RSUs."}],"balance_after":162937,"source":{"system":"sec-edgar","filing":"0001415889-23-002609","document":"form4-02152023_090241.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588923002609/form4-02152023_090241.xml","form_type":"4"}},{"id":2050946,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2023-01-19T23:16:53.000Z","date":"2023-01-17","kind":"tax_withholding","acquired":false,"shares":4529,"price":11.2883,"value":51124.7107,"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 awards that were granted on February 1, 2021 and 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":"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 36,662 shares of common stock and 79,400 RSUs."}],"balance_after":116062,"source":{"system":"sec-edgar","filing":"0001415889-23-001215","document":"form4-01192023_110140.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588923001215/form4-01192023_110140.xml","form_type":"4"}},{"id":2225489,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2022-06-21T21:02:43.000Z","date":"2022-06-16","kind":"grant","acquired":true,"shares":45500,"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 16, 2022 and each additional installment to vest quarterly thereafter, provided the individual continues to have a service relationship with the Company on such vesting date."}],"balance_after":45500,"derivative":{"exercise_price":4.86,"expiration_date":"2032-06-16","underlying":"Common Stock","underlying_shares":45500},"source":{"system":"sec-edgar","filing":"0001104659-22-073032","document":"tm2218901-4_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465922073032/tm2218901-4_4seq1.xml","form_type":"4"}},{"id":2225488,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Common Stock","published_at":"2022-06-21T21:02:43.000Z","date":"2022-06-16","kind":"grant","acquired":true,"shares":45500,"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 three annual installments over three years, with the first annual installment to vest on June 15, 2023 and each additional installment 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 28,928 shares of common stock and 91,663 RSUs."}],"balance_after":120591,"source":{"system":"sec-edgar","filing":"0001104659-22-073032","document":"tm2218901-4_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465922073032/tm2218901-4_4seq1.xml","form_type":"4"}},{"id":2394631,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2022-02-15T22:16:54.000Z","date":"2022-02-14","kind":"grant","acquired":true,"shares":37500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Options vest and become exercisable in sixteen quarterly installments over four years. Vesting commenced on January 1, 2022 and the first vesting event shall occur three months thereafter; provided the reporting person continues to have a service relationship with the Company on such vesting date."}],"balance_after":37500,"derivative":{"exercise_price":18.08,"expiration_date":"2032-02-14","underlying":"Common Stock","underlying_shares":37500},"source":{"system":"sec-edgar","filing":"0001104659-22-023865","document":"tm226853-4_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465922023865/tm226853-4_4seq1.xml","form_type":"4"}},{"id":2394630,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Common Stock","published_at":"2022-02-15T22:16:54.000Z","date":"2022-02-14","kind":"grant","acquired":true,"shares":37500,"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, 2023 and each additional installment to vest annually thereafter; provided the reporting person continues to have a service relationship with the Company on such vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 28,928 shares of common stock and 46,163 RSUs."}],"balance_after":75091,"source":{"system":"sec-edgar","filing":"0001104659-22-023865","document":"tm226853-4_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465922023865/tm226853-4_4seq1.xml","form_type":"4"}},{"id":2432371,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Common Stock","published_at":"2022-01-20T00:02:33.000Z","date":"2022-01-18","kind":"tax_withholding","acquired":false,"shares":1042,"price":19.4629,"value":20280.3418,"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, 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 February 1, 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":"price","element":"transactionPricePerShare","label":"F2","text":"The 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 28,928 shares of common stock and 8,663 RSUs."}],"balance_after":37591,"source":{"system":"sec-edgar","filing":"0001104659-22-005568","document":"tm223899-4_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465922005568/tm223899-4_4seq1.xml","form_type":"4"}}]}