{"transactions":[{"id":882057,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2026-02-25T22:55:24.000Z","date":"2026-02-23","kind":"sale","planned":true,"acquired":false,"shares":200,"price":48.48,"value":9696.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $48.30 to $48.66, inclusive.  Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Consists of 98,445 RSUs."}],"balance_after":98445,"source":{"system":"sec-edgar","filing":"0001104659-26-019789","document":"tm267344-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926019789/tm267344-1_4seq1.xml","form_type":"4"}},{"id":882056,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2026-02-25T22:55:24.000Z","date":"2026-02-23","kind":"sale","planned":true,"acquired":false,"shares":857,"price":47.8588,"value":41014.9916,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $47.55 to $48.19, inclusive.  Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Consists of 200 shares of common stock and 98,445 RSUs."}],"balance_after":98645,"source":{"system":"sec-edgar","filing":"0001104659-26-019789","document":"tm267344-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926019789/tm267344-1_4seq1.xml","form_type":"4"}},{"id":882055,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2026-02-25T22:55:24.000Z","date":"2026-02-23","kind":"sale","planned":true,"acquired":false,"shares":7427,"price":46.9422,"value":348639.7194,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $46.52 to $47.48, inclusive.  Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 1,057 shares of common stock and 98,445 RSUs."}],"balance_after":99502,"source":{"system":"sec-edgar","filing":"0001104659-26-019789","document":"tm267344-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926019789/tm267344-1_4seq1.xml","form_type":"4"}},{"id":893426,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2026-02-19T21:30:05.000Z","date":"2026-02-17","kind":"sale","planned":false,"acquired":false,"shares":7989,"price":46.5282,"value":371713.7898,"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, 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 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 8,484 shares of common stock and 98,445 RSUs."}],"balance_after":106929,"source":{"system":"sec-edgar","filing":"0001980298-26-000009","document":"form4-02192026_040201.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029826000009/form4-02192026_040201.xml","form_type":"4"}},{"id":909981,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Common Stock","published_at":"2026-02-11T23:11:20.000Z","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 114,918 RSUs."}],"balance_after":114918,"source":{"system":"sec-edgar","filing":"0001104659-26-013585","document":"tm266077-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926013585/tm266077-6_4seq1.xml","form_type":"4"}},{"id":932342,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2026-01-23T21:30:19.000Z","date":"2026-01-22","kind":"sale","planned":true,"acquired":false,"shares":12779,"price":46.8541,"value":598748.5439,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price.  The shares were sold in multiple transactions at prices ranging from $46.43 to $47.31, inclusive.  Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Consists of 85,660 RSUs."}],"balance_after":85660,"source":{"system":"sec-edgar","filing":"0001980298-26-000007","document":"form4-01232026_040101.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029826000007/form4-01232026_040101.xml","form_type":"4"}},{"id":932341,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2026-01-23T21:30:19.000Z","date":"2026-01-22","kind":"sale","planned":true,"acquired":false,"shares":2119,"price":45.8655,"value":97188.9945,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  The shares were sold in multiple transactions at prices ranging from $45.43 to $46.42, inclusive.  Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 12,779 shares of common stock and 85,660 RSUs."}],"balance_after":98439,"source":{"system":"sec-edgar","filing":"0001980298-26-000007","document":"form4-01232026_040101.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029826000007/form4-01232026_040101.xml","form_type":"4"}},{"id":934243,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2026-01-22T00:52:06.000Z","date":"2026-01-16","kind":"sale","planned":false,"acquired":false,"shares":8406,"price":44.4777,"value":373879.5462,"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 14,898 shares of common stock and 85,660 RSUs."}],"balance_after":100558,"source":{"system":"sec-edgar","filing":"0001980298-26-000004","document":"form4-01222026_120155.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029826000004/form4-01222026_120155.xml","form_type":"4"}},{"id":937269,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-01-16T23:37:18.000Z","date":"2026-01-14","kind":"exercise","planned":true,"acquired":false,"shares":2678,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F13","text":"32,142 shares remain unvested under this stock option. The first vesting event occurred on April 1, 2025 and the remainder vests in fifteen quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":32142,"derivative":{"exercise_price":35.15,"expiration_date":"2035-03-10","underlying":"Common Stock","underlying_shares":2678},"source":{"system":"sec-edgar","filing":"0001980298-26-000002","document":"form4-01162026_110114.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029826000002/form4-01162026_110114.xml","form_type":"4"}},{"id":937268,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-01-16T23:37:18.000Z","date":"2026-01-14","kind":"exercise","planned":true,"acquired":false,"shares":5893,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"47,143 shares remain unvested under this stock option. The first vesting event occurred on April 1, 2024 and the remainder vests in fifteen quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":47143,"derivative":{"exercise_price":15.75,"expiration_date":"2034-02-12","underlying":"Common Stock","underlying_shares":5893},"source":{"system":"sec-edgar","filing":"0001980298-26-000002","document":"form4-01162026_110114.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029826000002/form4-01162026_110114.xml","form_type":"4"}},{"id":937267,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-01-16T23:37:18.000Z","date":"2026-01-14","kind":"exercise","planned":true,"acquired":false,"shares":2813,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F11","text":"11,250 shares remain unvested under this stock option. The first vesting event occurred on April 1, 2023 and the remainder vests in fifteen quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":11250,"derivative":{"exercise_price":10,"expiration_date":"2033-02-13","underlying":"Common Stock","underlying_shares":2813},"source":{"system":"sec-edgar","filing":"0001980298-26-000002","document":"form4-01162026_110114.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029826000002/form4-01162026_110114.xml","form_type":"4"}},{"id":937266,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-01-16T23:37:18.000Z","date":"2026-01-14","kind":"exercise","planned":true,"acquired":false,"shares":321,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"961 shares remain unvested under this stock option. The first vesting event occurred on January 5, 2023 and the remainder vests in fifteen quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":961,"derivative":{"exercise_price":7.62,"expiration_date":"2032-10-10","underlying":"Common Stock","underlying_shares":321},"source":{"system":"sec-edgar","filing":"0001980298-26-000002","document":"form4-01162026_110114.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029826000002/form4-01162026_110114.xml","form_type":"4"}},{"id":937265,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-01-16T23:37:18.000Z","date":"2026-01-14","kind":"exercise","planned":true,"acquired":false,"shares":1407,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"No shares remain unvested under this stock option."}],"balance_after":0,"derivative":{"exercise_price":18.08,"expiration_date":"2032-02-14","underlying":"Common Stock","underlying_shares":1407},"source":{"system":"sec-edgar","filing":"0001980298-26-000002","document":"form4-01162026_110114.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029826000002/form4-01162026_110114.xml","form_type":"4"}},{"id":937264,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2026-01-16T23:37:18.000Z","date":"2026-01-14","kind":"sale","planned":true,"acquired":false,"shares":13112,"price":45.1961,"value":592611.2632,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price.  The shares were sold in multiple transactions at prices ranging from $45.00 to $45.45, inclusive.  Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"Consists of 108,964 RSUs."}],"balance_after":108964,"source":{"system":"sec-edgar","filing":"0001980298-26-000002","document":"form4-01162026_110114.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029826000002/form4-01162026_110114.xml","form_type":"4"}},{"id":937263,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2026-01-16T23:37:18.000Z","date":"2026-01-14","kind":"exercise","planned":true,"acquired":true,"shares":2678,"price":35.15,"value":94131.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Consists of 13,112 shares of common stock and 108,964 RSUs."}],"balance_after":122076,"source":{"system":"sec-edgar","filing":"0001980298-26-000002","document":"form4-01162026_110114.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029826000002/form4-01162026_110114.xml","form_type":"4"}},{"id":937262,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2026-01-16T23:37:18.000Z","date":"2026-01-14","kind":"exercise","planned":true,"acquired":true,"shares":5893,"price":15.75,"value":92814.75,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Consists of 10,434 shares of common stock and 108,964 RSUs."}],"balance_after":119398,"source":{"system":"sec-edgar","filing":"0001980298-26-000002","document":"form4-01162026_110114.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029826000002/form4-01162026_110114.xml","form_type":"4"}},{"id":937261,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2026-01-16T23:37:18.000Z","date":"2026-01-14","kind":"exercise","planned":true,"acquired":true,"shares":2813,"price":10,"value":28130.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Consists of 4,541 shares of common stock and 108,964 RSUs."}],"balance_after":113505,"source":{"system":"sec-edgar","filing":"0001980298-26-000002","document":"form4-01162026_110114.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029826000002/form4-01162026_110114.xml","form_type":"4"}},{"id":937260,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common 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RSUs."}],"balance_after":110371,"source":{"system":"sec-edgar","filing":"0001980298-26-000002","document":"form4-01162026_110114.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029826000002/form4-01162026_110114.xml","form_type":"4"}},{"id":979115,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-12-05T21:53:27.000Z","date":"2025-12-04","kind":"exercise","planned":true,"acquired":false,"shares":8035,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F15","text":"34,820 shares remain unvested under this stock option. The first vesting event occurred on April 1, 2025 and the remainder vests in fifteen quarterly installments thereafter; provided the Reporting Person continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":34820,"derivative":{"exercise_price":35.15,"expiration_date":"2035-03-10","underlying":"Common Stock","underlying_shares":8035},"source":{"system":"sec-edgar","filing":"0001980298-25-000007","document":"form4-12052025_091222.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000007/form4-12052025_091222.xml","form_type":"4"}},{"id":979114,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-12-05T21:53:27.000Z","date":"2025-12-04","kind":"exercise","planned":true,"acquired":false,"shares":23571,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F14","text":"53,036 shares remain unvested under this stock option. The first vesting event occurred on April 1, 2024 and the remainder vests in fifteen quarterly installments thereafter; provided the Reporting Person continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":53036,"derivative":{"exercise_price":15.75,"expiration_date":"2034-12-12","underlying":"Common Stock","underlying_shares":23571},"source":{"system":"sec-edgar","filing":"0001980298-25-000007","document":"form4-12052025_091222.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000007/form4-12052025_091222.xml","form_type":"4"}},{"id":979113,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-12-05T21:53:27.000Z","date":"2025-12-04","kind":"exercise","planned":true,"acquired":false,"shares":11250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F13","text":"14,063 shares remain unvested under this stock option. The first vesting event occurred on April 1, 2023 and the remainder vests in fifteen quarterly installments thereafter; provided the Reporting Person continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":14063,"derivative":{"exercise_price":10,"expiration_date":"2033-02-13","underlying":"Common Stock","underlying_shares":11250},"source":{"system":"sec-edgar","filing":"0001980298-25-000007","document":"form4-12052025_091222.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000007/form4-12052025_091222.xml","form_type":"4"}},{"id":979112,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-12-05T21:53:27.000Z","date":"2025-12-04","kind":"exercise","planned":true,"acquired":false,"shares":1281,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F11","text":"1,282 shares remain unvested under this stock option. The first vesting event occurred on January 5, 2023 and the remainder vest in fifteen quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":1282,"derivative":{"exercise_price":7.62,"expiration_date":"2032-10-10","underlying":"Common Stock","underlying_shares":1281},"source":{"system":"sec-edgar","filing":"0001980298-25-000007","document":"form4-12052025_091222.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000007/form4-12052025_091222.xml","form_type":"4"}},{"id":979111,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-12-05T21:53:27.000Z","date":"2025-12-04","kind":"exercise","planned":true,"acquired":false,"shares":5607,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F11","text":"1,282 shares remain unvested under this stock option. The first vesting event occurred on January 5, 2023 and the remainder vest in fifteen quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":0,"derivative":{"exercise_price":4.86,"expiration_date":"2032-06-16","underlying":"Common Stock","underlying_shares":5607},"source":{"system":"sec-edgar","filing":"0001980298-25-000007","document":"form4-12052025_091222.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000007/form4-12052025_091222.xml","form_type":"4"}},{"id":979110,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-12-05T21:53:27.000Z","date":"2025-12-04","kind":"exercise","planned":true,"acquired":false,"shares":21093,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"1,407 shares remain unvested under this stock option. The first vesting event occurred on April 1, 2022 and the remainder vests in fifteen quarterly installments thereafter; provided the Reporting Person continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":1407,"derivative":{"exercise_price":18.08,"expiration_date":"2032-02-14","underlying":"Common Stock","underlying_shares":21093},"source":{"system":"sec-edgar","filing":"0001980298-25-000007","document":"form4-12052025_091222.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000007/form4-12052025_091222.xml","form_type":"4"}},{"id":979109,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-12-05T21:53:27.000Z","date":"2025-12-04","kind":"exercise","planned":true,"acquired":false,"shares":65625,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F11","text":"1,282 shares remain unvested under this stock option. The first vesting event occurred on January 5, 2023 and the remainder vest in fifteen quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":4375,"derivative":{"exercise_price":26.05,"expiration_date":"2031-10-26","underlying":"Common Stock","underlying_shares":65625},"source":{"system":"sec-edgar","filing":"0001980298-25-000007","document":"form4-12052025_091222.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000007/form4-12052025_091222.xml","form_type":"4"}},{"id":979108,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-12-05T21:53:27.000Z","date":"2025-12-04","kind":"sale","planned":true,"acquired":false,"shares":136462,"price":45.2125,"value":6169788.175,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $45.00 to $45.46, inclusive.  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RSUs."}],"balance_after":237391,"source":{"system":"sec-edgar","filing":"0001980298-25-000007","document":"form4-12052025_091222.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000007/form4-12052025_091222.xml","form_type":"4"}},{"id":979105,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-12-05T21:53:27.000Z","date":"2025-12-04","kind":"exercise","planned":true,"acquired":true,"shares":11250,"price":10,"value":112500.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Consists of 104,856 shares of common stock and 108,964 RSUs."}],"balance_after":213820,"source":{"system":"sec-edgar","filing":"0001980298-25-000007","document":"form4-12052025_091222.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000007/form4-12052025_091222.xml","form_type":"4"}},{"id":979104,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common 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RSUs"}],"balance_after":201289,"source":{"system":"sec-edgar","filing":"0001980298-25-000007","document":"form4-12052025_091222.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000007/form4-12052025_091222.xml","form_type":"4"}},{"id":979102,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-12-05T21:53:27.000Z","date":"2025-12-04","kind":"exercise","planned":true,"acquired":true,"shares":21093,"price":18.08,"value":381361.44,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 86,718 shares of common stock and 108,964 RSUs."}],"balance_after":195682,"source":{"system":"sec-edgar","filing":"0001980298-25-000007","document":"form4-12052025_091222.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000007/form4-12052025_091222.xml","form_type":"4"}},{"id":979101,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-12-05T21:53:27.000Z","date":"2025-12-04","kind":"exercise","planned":true,"acquired":true,"shares":65625,"price":26.05,"value":1709531.25,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 65,625 shares of common stock and 108,964 RSUs."}],"balance_after":174589,"source":{"system":"sec-edgar","filing":"0001980298-25-000007","document":"form4-12052025_091222.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000007/form4-12052025_091222.xml","form_type":"4"}},{"id":1033089,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-09-24T20:30:08.000Z","date":"2025-09-22","kind":"sale","planned":false,"acquired":false,"shares":3353,"price":30.6729,"value":102846.2337,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $30.33 to $30.85, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 108,964 RSUs."}],"balance_after":108964,"source":{"system":"sec-edgar","filing":"0001980298-25-000005","document":"form4-09242025_040903.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000005/form4-09242025_040903.xml","form_type":"4"}},{"id":1037793,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-09-17T20:30:07.000Z","date":"2025-09-16","kind":"sale","planned":false,"acquired":false,"shares":3178,"price":33.52,"value":106526.56,"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 September 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 and October 10, 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 3,353 shares of common stock and 108,964 RSUs."}],"balance_after":112317,"source":{"system":"sec-edgar","filing":"0001980298-25-000003","document":"form4-09172025_040901.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000003/form4-09172025_040901.xml","form_type":"4"}},{"id":1089399,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-07-11T01:46:38.000Z","date":"2025-07-08","kind":"sale","planned":true,"acquired":false,"shares":24066,"price":34.4427,"value":828898.0182,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 31, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $32.45 to $44.32, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 0 shares of common stock and 115,495 RSUs."}],"balance_after":115495,"source":{"system":"sec-edgar","filing":"0001104659-25-067088","document":"tm2520599-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465925067088/tm2520599-1_4seq1.xml","form_type":"4"}},{"id":1108041,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-06-17T20:30:18.000Z","date":"2025-06-16","kind":"sale","planned":false,"acquired":false,"shares":3668,"price":32.0014,"value":117381.1352,"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 24,066 shares of common stock and 115,495 RSUs."}],"balance_after":139561,"source":{"system":"sec-edgar","filing":"0001415889-25-017539","document":"form4-06172025_040610.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925017539/form4-06172025_040610.xml","form_type":"4"}},{"id":1209693,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-03-12T21:00:21.000Z","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":"0001415889-25-007842","document":"form4-03122025_050318.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925007842/form4-03122025_050318.xml","form_type":"4"}},{"id":1209692,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-03-12T21:00:21.000Z","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 20,259 shares of common stock and 122,970 RSUs"}],"balance_after":143229,"source":{"system":"sec-edgar","filing":"0001415889-25-007842","document":"form4-03122025_050318.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925007842/form4-03122025_050318.xml","form_type":"4"}},{"id":1255855,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-02-21T00:55:01.000Z","date":"2025-02-19","kind":"exercise","planned":true,"acquired":false,"shares":17678,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on October 17, 2024."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F17","text":"70,714 shares remain unvested under this stock option. The first vesting event occurred on April 1, 2024 and the remainder vest in fifteen quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":76607,"derivative":{"exercise_price":15.75,"expiration_date":"2034-02-12","underlying":"Common Stock","underlying_shares":17678},"source":{"system":"sec-edgar","filing":"0001415889-25-004975","document":"form4-02212025_120256.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925004975/form4-02212025_120256.xml","form_type":"4"}},{"id":1255854,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-02-21T00:55:01.000Z","date":"2025-02-19","kind":"exercise","planned":true,"acquired":false,"shares":11250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on October 17, 2024."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F16","text":"22,500 shares remain unvested under this stock option. The first vesting event occurred on April 1, 2023 and the remainder vest in fifteen quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":25313,"derivative":{"exercise_price":10,"expiration_date":"2033-02-13","underlying":"Common Stock","underlying_shares":11250},"source":{"system":"sec-edgar","filing":"0001415889-25-004975","document":"form4-02212025_120256.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925004975/form4-02212025_120256.xml","form_type":"4"}},{"id":1255853,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-02-21T00:55:01.000Z","date":"2025-02-19","kind":"exercise","planned":true,"acquired":false,"shares":2562,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on October 17, 2024."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F15","text":"2,243 shares remain unvested under this stock option. The first vesting event occurred on January 5, 2023 and the remainder vest in fifteen quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":2563,"derivative":{"exercise_price":7.62,"expiration_date":"2032-10-10","underlying":"Common Stock","underlying_shares":2562},"source":{"system":"sec-edgar","filing":"0001415889-25-004975","document":"form4-02212025_120256.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925004975/form4-02212025_120256.xml","form_type":"4"}},{"id":1255852,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-02-21T00:55:01.000Z","date":"2025-02-19","kind":"exercise","planned":true,"acquired":false,"shares":16818,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on October 17, 2024."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F14","text":"3,738 shares remain unvested under this stock option. The first vesting event occurred on September 16, 2022 and the remainder vest in eleven quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":5607,"derivative":{"exercise_price":4.86,"expiration_date":"2032-06-16","underlying":"Common Stock","underlying_shares":16818},"source":{"system":"sec-edgar","filing":"0001415889-25-004975","document":"form4-02212025_120256.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925004975/form4-02212025_120256.xml","form_type":"4"}},{"id":1255851,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-02-21T00:55:01.000Z","date":"2025-02-19","kind":"sale","planned":true,"acquired":false,"shares":20202,"price":37.7437,"value":762498.2274,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on October 17, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F12","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $37.61 to $38.2, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F13","text":"Consists of 20,259 shares of common stock and 90,825 RSUs."}],"balance_after":111084,"source":{"system":"sec-edgar","filing":"0001415889-25-004975","document":"form4-02212025_120256.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925004975/form4-02212025_120256.xml","form_type":"4"}},{"id":1255850,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-02-21T00:55:01.000Z","date":"2025-02-19","kind":"sale","planned":true,"acquired":false,"shares":8341,"price":37.5601,"value":313288.7941,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on October 17, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $37.52 to $37.6097, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F11","text":"Consists of 40,461 shares of common stock and 90,825 RSUs."}],"balance_after":131286,"source":{"system":"sec-edgar","filing":"0001415889-25-004975","document":"form4-02212025_120256.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925004975/form4-02212025_120256.xml","form_type":"4"}},{"id":1255849,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-02-21T00:55:01.000Z","date":"2025-02-19","kind":"sale","planned":true,"acquired":false,"shares":39967,"price":37.198,"value":1486692.466,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on October 17, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $36.52 to $37.515, inclusive. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F9","text":"Consists of 48,802 shares of common stock and 90,825 RSUs."}],"balance_after":139627,"source":{"system":"sec-edgar","filing":"0001415889-25-004975","document":"form4-02212025_120256.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925004975/form4-02212025_120256.xml","form_type":"4"}},{"id":1255848,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-02-21T00:55:01.000Z","date":"2025-02-19","kind":"exercise","planned":true,"acquired":true,"shares":17678,"price":15.75,"value":278428.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on October 17, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Consists of 88,769 shares of common stock and 90,825 RSUs."}],"balance_after":179594,"source":{"system":"sec-edgar","filing":"0001415889-25-004975","document":"form4-02212025_120256.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925004975/form4-02212025_120256.xml","form_type":"4"}},{"id":1255847,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-02-21T00:55:01.000Z","date":"2025-02-19","kind":"exercise","planned":true,"acquired":true,"shares":11250,"price":10,"value":112500.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on October 17, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Consists of 71,091 shares of common stock and 90,825 RSUs."}],"balance_after":161916,"source":{"system":"sec-edgar","filing":"0001415889-25-004975","document":"form4-02212025_120256.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925004975/form4-02212025_120256.xml","form_type":"4"}},{"id":1255846,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-02-21T00:55:01.000Z","date":"2025-02-19","kind":"exercise","planned":true,"acquired":true,"shares":2562,"price":7.62,"value":19522.44,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on October 17, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Consists of 59,841 shares of common stock and 90,825 RSUs."}],"balance_after":150666,"source":{"system":"sec-edgar","filing":"0001415889-25-004975","document":"form4-02212025_120256.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925004975/form4-02212025_120256.xml","form_type":"4"}},{"id":1255845,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-02-21T00:55:01.000Z","date":"2025-02-19","kind":"exercise","planned":true,"acquired":true,"shares":16818,"price":4.86,"value":81735.48,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on October 17, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Consists of 57,279 shares of common stock and 90,825 RSUs."}],"balance_after":148104,"source":{"system":"sec-edgar","filing":"0001415889-25-004975","document":"form4-02212025_120256.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925004975/form4-02212025_120256.xml","form_type":"4"}},{"id":1255844,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-02-21T00:55:01.000Z","date":"2025-02-18","kind":"sale","planned":true,"acquired":false,"shares":4135,"price":36.829,"value":152287.915,"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 40,461 shares of common stock and 90,825 RSUs."}],"balance_after":131286,"source":{"system":"sec-edgar","filing":"0001415889-25-004975","document":"form4-02212025_120256.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925004975/form4-02212025_120256.xml","form_type":"4"}},{"id":1298824,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2025-01-21T21:35:14.000Z","date":"2025-01-16","kind":"sale","planned":false,"acquired":false,"shares":7347,"price":44.1972,"value":324716.8284,"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 36,158 shares of common stock and 99,263 RSUs."}],"balance_after":135421,"source":{"system":"sec-edgar","filing":"0001415889-25-001792","document":"form4-01212025_040109.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588925001792/form4-01212025_040109.xml","form_type":"4"}},{"id":1402453,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2024-09-19T12:15:39.000Z","date":"2024-09-16","kind":"sale","planned":false,"acquired":false,"shares":1936,"price":8.58,"value":16610.88,"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 September 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 and October 10, 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 20,202 shares of common stock and 122,566 RSUs."}],"balance_after":142768,"source":{"system":"sec-edgar","filing":"0001415889-24-023672","document":"form4-09192024_120935.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588924023672/form4-09192024_120935.xml","form_type":"4"}},{"id":1475415,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2024-06-18T21:56:30.000Z","date":"2024-06-17","kind":"sale","planned":false,"acquired":false,"shares":2315,"price":8.985,"value":20800.275,"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 15,607 shares of common stock and 129,097 RSUs."}],"balance_after":144704,"source":{"system":"sec-edgar","filing":"0001415889-24-017485","document":"form4-06182024_090627.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588924017485/form4-06182024_090627.xml","form_type":"4"}},{"id":1633863,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2024-02-20T21:58:00.000Z","date":"2024-02-16","kind":"sale","planned":false,"acquired":false,"shares":2512,"price":15.7432,"value":39546.9184,"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 10,447 shares of common stock and 136,572 RSUs."}],"balance_after":147019,"source":{"system":"sec-edgar","filing":"0001415889-24-004401","document":"form4-02202024_090235.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588924004401/form4-02202024_090235.xml","form_type":"4"}},{"id":1646295,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Stock Option (Right to Buy)","published_at":"2024-02-14T00:11:24.000Z","date":"2024-02-12","kind":"grant","planned":false,"acquired":true,"shares":94285,"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":94285,"derivative":{"exercise_price":15.75,"expiration_date":"2034-02-12","underlying":"Common Stock","underlying_shares":94285},"source":{"system":"sec-edgar","filing":"0001415889-24-003627","document":"form4-02142024_120210.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588924003627/form4-02142024_120210.xml","form_type":"4"}},{"id":1646294,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF SCIENTIFIC OFFICER"}}],"security":"Common Stock","published_at":"2024-02-14T00:11:24.000Z","date":"2024-02-12","kind":"grant","planned":false,"acquired":true,"shares":70715,"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 4,522 shares of common stock and 145,009 RSUs."}],"balance_after":149531,"source":{"system":"sec-edgar","filing":"0001415889-24-003627","document":"form4-02142024_120210.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588924003627/form4-02142024_120210.xml","form_type":"4"}},{"id":1676452,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND HEAD OF RESEARCH"}}],"security":"Common Stock","published_at":"2024-01-18T21:11:10.000Z","date":"2024-01-16","kind":"sale","planned":false,"acquired":false,"shares":2002,"price":15.9287,"value":31889.2574,"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 4,522 shares of common stock and 74,294 RSUs."}],"balance_after":78816,"source":{"system":"sec-edgar","filing":"0001415889-24-001524","document":"form4-01182024_090104.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588924001524/form4-01182024_090104.xml","form_type":"4"}},{"id":1709331,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND HEAD OF RESEARCH"}}],"security":"Stock Option (Right to Buy)","published_at":"2023-12-15T21:13:43.000Z","date":"2023-12-14","kind":"exercise","planned":false,"acquired":false,"shares":8437,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"36,563 shares remain unvested under this stock option. The first vesting event occurred on April 1, 2023 and the remainder will vest in fifteen quarterly installments thereafter; provided the reporting person continues to have a service relationship with the Issuer on such vesting date."}],"balance_after":36563,"derivative":{"exercise_price":10,"expiration_date":"2033-02-13","underlying":"Common Stock","underlying_shares":8437},"source":{"system":"sec-edgar","filing":"0001062993-23-022621","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000106299323022621/form4.xml","form_type":"4"}},{"id":1709330,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND HEAD OF RESEARCH"}}],"security":"Common Stock","published_at":"2023-12-15T21:13:43.000Z","date":"2023-12-14","kind":"sale","planned":false,"acquired":false,"shares":24662,"price":18.1836,"value":448443.9432,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $17.96 to $18.36. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 899 shares of common stock and 79,919 RSUs."}],"balance_after":80818,"source":{"system":"sec-edgar","filing":"0001062993-23-022621","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000106299323022621/form4.xml","form_type":"4"}},{"id":1709329,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND HEAD OF RESEARCH"}}],"security":"Common Stock","published_at":"2023-12-15T21:13:43.000Z","date":"2023-12-14","kind":"exercise","planned":false,"acquired":true,"shares":8437,"price":10,"value":84370.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Consists of 25,561 shares of common stock and 79,919 restricted stock units (\"RSUs\")."}],"balance_after":105480,"source":{"system":"sec-edgar","filing":"0001062993-23-022621","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000106299323022621/form4.xml","form_type":"4"}},{"id":1776257,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":64730,"kind":"person","name":"Qatanani Mo","position":1,"cik":"0001980298","reported_name":"Qatanani Mo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND HEAD OF RESEARCH"}}],"security":"Common Stock","published_at":"2023-09-20T23:28:29.000Z","date":"2023-09-18","kind":"sale","planned":false,"acquired":false,"shares":1945,"price":6.34,"value":12331.3,"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 September 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 October 26, 2021 and October 10, 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 17,124 shares of common stock and 79,919 RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The Form 3 filed by the reporting person on June 22, 2023 inadvertently overstated the number of securities beneficially owned by 5,812 shares in Table I, Column 2."}],"balance_after":97043,"source":{"system":"sec-edgar","filing":"0001415889-23-013467","document":"form4-09202023_110922.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000141588923013467/form4-09202023_110922.xml","form_type":"4"}}]}