{"transactions":[{"id":4626935,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":37647,"kind":"person","name":"Woods Keith","position":1,"cik":"0001996804","reported_name":"Woods Keith","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2026-09-25T20:12:23.000Z","date":"2026-09-24","kind":"gift","planned":false,"acquired":false,"shares":48034,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On September 24, 2026, the reporting person transferred 48,034 shares of the Issuer's Common Stock to the RKW Irrevocable Trust for no consideration. The reporting person's spouse serves as trustee of the RKW Irrevocable Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 0 shares of common stock, 122,021 RSUs subject to time-based vesting conditions and 450,000 RSUs subject to performance- and time-based vesting conditions."}],"balance_after":572021,"source":{"system":"sec-edgar","filing":"0001104659-26-110976","document":"tm2626188-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1996804/000110465926110976/tm2626188-1_4seq1.xml","form_type":"4"}},{"id":4625490,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":41362,"kind":"person","name":"Hallal David","position":1,"cik":"0001457477","reported_name":"Hallal David","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-09-23T20:36:12.000Z","date":"2026-09-21","kind":"gift","planned":false,"acquired":false,"shares":36652,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On September 21, 2026, the reporting person transferred 36,652 shares of the Issuer's Common Stock to The Hallal Family Irrevocable Trust-2021 (the \"Hallal 2021 Trust\") for no consideration. The reporting person and his spouse serve as trustees of the Hallal 2021 Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 161,878 shares of common stock, 315,504 RSUs subject to time-based vesting conditions and 1,125,000 RSUs subject to performance- and time-based vesting conditions."}],"balance_after":1602382,"source":{"system":"sec-edgar","filing":"0001104659-26-110006","document":"tm2626025-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926110006/tm2626025-1_4seq1.xml","form_type":"4"}},{"id":715315,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32140,"kind":"person","name":"FLIER JEFFREY S.","position":1,"cik":"0001740266","reported_name":"FLIER JEFFREY S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-06T20:30:30.000Z","date":"2026-07-01","kind":"sale","planned":true,"acquired":false,"shares":15,"price":54.8757,"value":823.1355,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 31, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs)."},{"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 $54.805 to $55.010, 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 21,017 shares of common stock and 6,839 RSUs."}],"balance_after":27856,"source":{"system":"sec-edgar","filing":"0001193125-26-296252","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000119312526296252/ownership.xml","form_type":"4"}},{"id":715314,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32140,"kind":"person","name":"FLIER JEFFREY S.","position":1,"cik":"0001740266","reported_name":"FLIER JEFFREY S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-06T20:30:30.000Z","date":"2026-07-01","kind":"sale","planned":true,"acquired":false,"shares":1470,"price":54.2365,"value":79727.655,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 31, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs)."},{"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 $53.950 to $54.800, 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 21,032 shares of common stock and 6,839 RSUs."}],"balance_after":27871,"source":{"system":"sec-edgar","filing":"0001193125-26-296252","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000119312526296252/ownership.xml","form_type":"4"}},{"id":715313,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32140,"kind":"person","name":"FLIER JEFFREY S.","position":1,"cik":"0001740266","reported_name":"FLIER JEFFREY S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-06T20:30:30.000Z","date":"2026-07-01","kind":"sale","planned":true,"acquired":false,"shares":1568,"price":53.5328,"value":83939.4304,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 31, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs)."},{"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 $52.960 to $53.944, 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 22,502 shares of common stock and 6,839 RSUs."}],"balance_after":29341,"source":{"system":"sec-edgar","filing":"0001193125-26-296252","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000119312526296252/ownership.xml","form_type":"4"}},{"id":715312,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32139,"kind":"person","name":"Gilman Michael","position":1,"cik":"0001291144","reported_name":"Gilman Michael","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-06T20:30:29.000Z","date":"2026-07-01","kind":"sale","planned":true,"acquired":false,"shares":43,"price":54.8145,"value":2357.0235,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 31, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs)."},{"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 $54.790 to $55.010, 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 52,672 shares of common stock and 6,839 RSUs."}],"balance_after":59511,"source":{"system":"sec-edgar","filing":"0001193125-26-296251","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000119312526296251/ownership.xml","form_type":"4"}},{"id":715311,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32139,"kind":"person","name":"Gilman Michael","position":1,"cik":"0001291144","reported_name":"Gilman Michael","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-06T20:30:29.000Z","date":"2026-07-01","kind":"sale","planned":true,"acquired":false,"shares":1155,"price":54.2257,"value":62630.6835,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 31, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs)."},{"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 $53.960 to $54.750, 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  52,715 shares of common stock and 6,839 RSUs."}],"balance_after":59554,"source":{"system":"sec-edgar","filing":"0001193125-26-296251","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000119312526296251/ownership.xml","form_type":"4"}},{"id":715310,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32139,"kind":"person","name":"Gilman Michael","position":1,"cik":"0001291144","reported_name":"Gilman Michael","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-06T20:30:29.000Z","date":"2026-07-01","kind":"sale","planned":true,"acquired":false,"shares":1346,"price":53.544,"value":72070.224,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 31, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs)."},{"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 $52.970 to $53.955, 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 53,870 shares of common stock and 6,839 RSUs."}],"balance_after":60709,"source":{"system":"sec-edgar","filing":"0001193125-26-296251","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000119312526296251/ownership.xml","form_type":"4"}},{"id":715309,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32075,"kind":"person","name":"Burow Kristina","position":1,"cik":"0001569248","reported_name":"Burow Kristina","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-06T20:30:25.000Z","date":"2026-07-01","kind":"sale","planned":true,"acquired":false,"shares":948,"price":54.2816,"value":51458.9568,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 31, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs)."},{"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 $54.040 to $54.795, 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 107,818 shares of common stock and 6,839 RSUs."}],"balance_after":114657,"source":{"system":"sec-edgar","filing":"0001193125-26-296248","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000119312526296248/ownership.xml","form_type":"4"}},{"id":715308,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32075,"kind":"person","name":"Burow Kristina","position":1,"cik":"0001569248","reported_name":"Burow Kristina","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-06T20:30:25.000Z","date":"2026-07-01","kind":"sale","planned":true,"acquired":false,"shares":2105,"price":53.494,"value":112604.87,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 31, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs)."},{"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 $53.050 to $54.030, 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 108,766 shares of common stock and 6,839 RSUs."}],"balance_after":115605,"source":{"system":"sec-edgar","filing":"0001193125-26-296248","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000119312526296248/ownership.xml","form_type":"4"}},{"id":715347,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32144,"kind":"person","name":"Reed Joshua","position":1,"cik":"0001746541","reported_name":"Reed Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-06T20:30:24.000Z","date":"2026-07-01","kind":"sale","planned":true,"acquired":false,"shares":948,"price":54.2814,"value":51458.7672,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 21, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs)."},{"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 $54.040 to $54.795, 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 12,679 shares of common stock and 6,839 RSUs."}],"balance_after":19518,"source":{"system":"sec-edgar","filing":"0001193125-26-296247","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1746541/000119312526296247/ownership.xml","form_type":"4"}},{"id":715346,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32144,"kind":"person","name":"Reed Joshua","position":1,"cik":"0001746541","reported_name":"Reed Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-06T20:30:24.000Z","date":"2026-07-01","kind":"sale","planned":true,"acquired":false,"shares":2105,"price":53.4958,"value":112608.659,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 21, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs)."},{"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 $53.050 to $54.030, 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 13,627 shares of common stock and 6,839 RSUs."}],"balance_after":20466,"source":{"system":"sec-edgar","filing":"0001193125-26-296247","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1746541/000119312526296247/ownership.xml","form_type":"4"}},{"id":715683,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32211,"kind":"person","name":"Peng Katie","position":1,"cik":"0001983850","reported_name":"Peng Katie","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-06T20:30:19.000Z","date":"2026-07-01","kind":"sale","planned":true,"acquired":false,"shares":21,"price":54.9641,"value":1154.2461,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 20, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs)."},{"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 $54.860 to $55.016, 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 21,500 shares of common stock and 12,801 RSUs."}],"balance_after":34301,"source":{"system":"sec-edgar","filing":"0001193125-26-296245","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1983850/000119312526296245/ownership.xml","form_type":"4"}},{"id":715682,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32211,"kind":"person","name":"Peng Katie","position":1,"cik":"0001983850","reported_name":"Peng Katie","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-06T20:30:19.000Z","date":"2026-07-01","kind":"sale","planned":true,"acquired":false,"shares":2437,"price":54.2526,"value":132213.5862,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 20, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs)."},{"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 $53.967 to $54.815, 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 21,521 shares of common stock and 12,801 RSUs."}],"balance_after":34322,"source":{"system":"sec-edgar","filing":"0001193125-26-296245","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1983850/000119312526296245/ownership.xml","form_type":"4"}},{"id":715681,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32211,"kind":"person","name":"Peng Katie","position":1,"cik":"0001983850","reported_name":"Peng Katie","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-06T20:30:19.000Z","date":"2026-07-01","kind":"sale","planned":true,"acquired":false,"shares":2988,"price":53.5598,"value":160036.6824,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on March 20, 2026 to cover tax obligations upon the vesting and settlement of restricted stock units (RSUs)."},{"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 $52.970 to $53.965, 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 23,958 shares of common stock and 12,801 RSUs."}],"balance_after":36759,"source":{"system":"sec-edgar","filing":"0001193125-26-296245","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1983850/000119312526296245/ownership.xml","form_type":"4"}},{"id":746229,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32140,"kind":"person","name":"FLIER JEFFREY S.","position":1,"cik":"0001740266","reported_name":"FLIER JEFFREY S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2026-06-08T20:56:40.000Z","date":"2026-06-04","kind":"grant","planned":false,"acquired":true,"shares":4310,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Options to vest and become fully exercisable on the earlier of the first anniversary following the date of grant or on the date of the Issuer's next Annual Meeting, subject to continued service to the Issuer through such date."}],"balance_after":4310,"derivative":{"exercise_price":45.33,"expiration_date":"2036-06-04","underlying":"Common Stock","underlying_shares":4310},"source":{"system":"sec-edgar","filing":"0001104659-26-071432","document":"tm2617049-7_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926071432/tm2617049-7_4seq1.xml","form_type":"4"}},{"id":746228,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32140,"kind":"person","name":"FLIER JEFFREY S.","position":1,"cik":"0001740266","reported_name":"FLIER JEFFREY S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-08T20:56:40.000Z","date":"2026-06-04","kind":"grant","planned":false,"acquired":true,"shares":6839,"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. 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The shares subject to this RSU vest on the earlier of June 15, 2027 or on the date of the Issuer's next Annual Meeting subject to continued service to the Issuer through such date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 15,057 shares of common stock and 6,839 RSUs."}],"balance_after":21896,"source":{"system":"sec-edgar","filing":"0001104659-26-071429","document":"tm2617049-5_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926071429/tm2617049-5_4seq1.xml","form_type":"4"}},{"id":746225,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32075,"kind":"person","name":"Burow Kristina","position":1,"cik":"0001569248","reported_name":"Burow Kristina","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2026-06-08T20:52:52.000Z","date":"2026-06-04","kind":"grant","planned":false,"acquired":true,"shares":4310,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Options to vest and become fully exercisable on the earlier of the first anniversary following the date of grant or on the date of the Issuer's next Annual Meeting, subject to continued service to the Issuer through such date."}],"balance_after":4310,"derivative":{"exercise_price":45.33,"expiration_date":"2036-06-04","underlying":"Common Stock","underlying_shares":4310},"source":{"system":"sec-edgar","filing":"0001104659-26-071428","document":"tm2617049-4_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926071428/tm2617049-4_4seq1.xml","form_type":"4"}},{"id":746224,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32075,"kind":"person","name":"Burow Kristina","position":1,"cik":"0001569248","reported_name":"Burow Kristina","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-08T20:52:52.000Z","date":"2026-06-04","kind":"grant","planned":false,"acquired":true,"shares":6839,"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. 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Kristina","position":1,"cik":"0001569248","reported_name":"Burow Kristina","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-24T20:05:11.000Z","date":"2026-04-23","kind":"exercise","planned":false,"acquired":true,"shares":28000,"price":4.75,"value":133000.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 49,239 shares of common stock and 7,632 RSUs.."}],"balance_after":56871,"source":{"system":"sec-edgar","filing":"0001104659-26-048551","document":"tm2612694-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926048551/tm2612694-1_4seq1.xml","form_type":"4"}},{"id":800973,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32075,"kind":"person","name":"Burow Kristina","position":1,"cik":"0001569248","reported_name":"Burow Kristina","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-24T20:05:11.000Z","date":"2026-04-23","kind":"exercise","planned":false,"acquired":true,"shares":7800,"price":26.78,"value":208884.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Consists of 21,239 shares of common stock and 7,632 RSUs."}],"balance_after":28871,"source":{"system":"sec-edgar","filing":"0001104659-26-048551","document":"tm2612694-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926048551/tm2612694-1_4seq1.xml","form_type":"4"}},{"id":804509,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":37647,"kind":"person","name":"Woods Keith","position":1,"cik":"0001996804","reported_name":"Woods Keith","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2026-04-20T22:12:15.000Z","date":"2026-04-16","kind":"sale","planned":false,"acquired":false,"shares":10220,"price":49.5745,"value":506651.39,"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 April 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 April 27, 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 48,034 shares of common stock, 122,021 RSUs subject to time-based vesting conditions and 450,000 RSUs subject to performance- and time-based vesting conditions."}],"balance_after":620055,"source":{"system":"sec-edgar","filing":"0001104659-26-045584","document":"tm2612274-4_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926045584/tm2612274-4_4seq1.xml","form_type":"4"}},{"id":804508,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":50572,"kind":"person","name":"Vaishnaw Akshay","position":1,"cik":"0001458494","reported_name":"Vaishnaw Akshay","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of R&D"}}],"security":"Common Stock","published_at":"2026-04-20T22:10:16.000Z","date":"2026-04-16","kind":"sale","planned":false,"acquired":false,"shares":12246,"price":49.5745,"value":607089.327,"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 April 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 April 27, 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 58,521 shares of common stock, 122,021 RSUs subject to time-based vesting conditions and 450,000 RSUs subject to performance- and time-based vesting conditions."}],"balance_after":630542,"source":{"system":"sec-edgar","filing":"0001104659-26-045583","document":"tm2612274-3_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926045583/tm2612274-3_4seq1.xml","form_type":"4"}},{"id":804506,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":51945,"kind":"person","name":"Sinha Vikas","position":1,"cik":"0001337845","reported_name":"Sinha Vikas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-04-20T22:09:35.000Z","date":"2026-04-16","kind":"sale","planned":false,"acquired":false,"shares":10410,"price":49.5745,"value":516070.545,"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 April 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 April 27, 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 47,835 shares of common stock, 122,021 RSUs subject to time-based vesting conditions and 450,000 RSUs subject to performance- and time-based vesting conditions."}],"balance_after":619856,"source":{"system":"sec-edgar","filing":"0001104659-26-045582","document":"tm2612274-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926045582/tm2612274-2_4seq1.xml","form_type":"4"}},{"id":804507,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":41362,"kind":"person","name":"Hallal David","position":1,"cik":"0001457477","reported_name":"Hallal David","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-04-20T22:08:37.000Z","date":"2026-04-16","kind":"sale","planned":false,"acquired":false,"shares":30615,"price":49.5745,"value":1517723.3175,"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 April 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 April 27, 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 198,530 shares of common stock, 315,504 RSUs subject to time-based vesting conditions and 1,125,000 RSUs subject to performance- and time-based vesting conditions."}],"balance_after":1639034,"source":{"system":"sec-edgar","filing":"0001104659-26-045581","document":"tm2612274-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926045581/tm2612274-1_4seq1.xml","form_type":"4"}},{"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":893428,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":38014,"kind":"person","name":"Marantz Jing L.","position":1,"cik":"0001834528","reported_name":"Marantz Jing L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2026-02-19T21:30:14.000Z","date":"2026-02-17","kind":"sale","planned":false,"acquired":false,"shares":4157,"price":46.5282,"value":193417.7274,"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 29,388 shares of common stock and 96,624 RSUs."}],"balance_after":126012,"source":{"system":"sec-edgar","filing":"0001834528-26-000005","document":"form4-02192026_040209.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000183452826000005/form4-02192026_040209.xml","form_type":"4"}},{"id":893427,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2026-02-19T21:30:12.000Z","date":"2026-02-17","kind":"sale","planned":false,"acquired":false,"shares":9580,"price":46.5282,"value":445740.156,"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 131,646 shares of common stock and 109,899 RSUs."}],"balance_after":241545,"source":{"system":"sec-edgar","filing":"0001868114-26-000004","document":"form4-02192026_040206.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000186811426000004/form4-02192026_040206.xml","form_type":"4"}},{"id":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":893653,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2026-02-19T16:30:07.000Z","date":"2026-02-17","kind":"sale","planned":false,"acquired":false,"shares":9035,"price":46.5282,"value":420382.287,"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":"(2) Consists of 86,859 shares of common stock and 82,228 RSUs."}],"balance_after":169087,"source":{"system":"sec-edgar","filing":"0001922346-26-000004","document":"form4-02192026_040204.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000192234626000004/form4-02192026_040204.xml","form_type":"4"}},{"id":909982,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":50572,"kind":"person","name":"Vaishnaw Akshay","position":1,"cik":"0001458494","reported_name":"Vaishnaw Akshay","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of R&D"}}],"security":"Common Stock","published_at":"2026-02-11T23:13:09.000Z","date":"2026-02-09","kind":"grant","planned":false,"acquired":true,"shares":47021,"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 45,767 shares of common stock, 147,021 RSUs subject to time-based vesting conditions and 450,000 RSUs subject to performance- and time-based vesting conditions."}],"balance_after":642788,"source":{"system":"sec-edgar","filing":"0001104659-26-013588","document":"tm266077-8_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926013588/tm266077-8_4seq1.xml","form_type":"4"}},{"id":909983,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":51945,"kind":"person","name":"Sinha Vikas","position":1,"cik":"0001337845","reported_name":"Sinha Vikas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-02-11T23:12:17.000Z","date":"2026-02-09","kind":"grant","planned":false,"acquired":true,"shares":47021,"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 33,245 shares of common stock, 147,021 RSUs subject to time-based vesting conditions and 450,000 RSUs subject to performance- and time-based vesting conditions."}],"balance_after":630266,"source":{"system":"sec-edgar","filing":"0001104659-26-013586","document":"tm266077-7_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926013586/tm266077-7_4seq1.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":909980,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":38014,"kind":"person","name":"Marantz Jing L.","position":1,"cik":"0001834528","reported_name":"Marantz Jing L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2026-02-11T23:09:07.000Z","date":"2026-02-09","kind":"grant","planned":false,"acquired":true,"shares":34482,"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 24,974 shares of common stock and 105,195 RSUs."}],"balance_after":130169,"source":{"system":"sec-edgar","filing":"0001104659-26-013582","document":"tm266077-4_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926013582/tm266077-4_4seq1.xml","form_type":"4"}},{"id":909979,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Common Stock","published_at":"2026-02-11T23:08:09.000Z","date":"2026-02-09","kind":"grant","planned":false,"acquired":true,"shares":36572,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (\"RSUs\") subject to time-based vesting conditions. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest in four annual installments over four years, with the first annual installment to vest on January 15, 2027 and each additional installment to vest annually thereafter; provided the reporting person continues to have a service relationship with the Issuer on each such vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 121,471 shares of common stock and 129,654 RSUs."}],"balance_after":251125,"source":{"system":"sec-edgar","filing":"0001104659-26-013581","document":"tm266077-3_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926013581/tm266077-3_4seq1.xml","form_type":"4"}},{"id":909978,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":41362,"kind":"person","name":"Hallal David","position":1,"cik":"0001457477","reported_name":"Hallal David","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-02-11T23:06:59.000Z","date":"2026-02-09","kind":"grant","planned":false,"acquired":true,"shares":128004,"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 166,645 shares of common stock, 378,004 RSUs subject to time-based vesting conditions and 1,125,000 RSUs subject to performance- and time-based vesting conditions."}],"balance_after":1669649,"source":{"system":"sec-edgar","filing":"0001104659-26-013580","document":"tm266077-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926013580/tm266077-2_4seq1.xml","form_type":"4"}},{"id":909976,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":37647,"kind":"person","name":"Woods Keith","position":1,"cik":"0001996804","reported_name":"Woods Keith","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2026-02-11T23:05:42.000Z","date":"2026-02-09","kind":"grant","planned":false,"acquired":true,"shares":47021,"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 33,254 shares of common stock, 147,021 RSUs subject to time-based vesting conditions and 450,000 RSUs subject to performance- and time-based vesting conditions."}],"balance_after":630275,"source":{"system":"sec-edgar","filing":"0001104659-26-013578","document":"tm266077-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926013578/tm266077-1_4seq1.xml","form_type":"4"}},{"id":910157,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2026-02-11T18:10:07.000Z","date":"2026-02-09","kind":"grant","planned":false,"acquired":true,"shares":29258,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (\"RSUs\") subject to time-based vesting conditions. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to this RSU vest in four annual installments over four years, with the first annual installment to vest on January 15, 2027 and each additional installment to vest annually thereafter; provided the reporting person continues to have a service relationship with the Issuer on each such vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 78,283 shares of common stock and 99,839 RSUs."}],"balance_after":178122,"source":{"system":"sec-edgar","filing":"0001104659-26-013584","document":"tm266077-5_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000110465926013584/tm266077-5_4seq1.xml","form_type":"4"}},{"id":916461,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":67456,"kind":"organization","name":"Invus Global Management, LLC","position":1,"cik":"0002005369","reported_name":"Invus Global Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":67457,"kind":"organization","name":"Siren, L.L.C.","position":2,"cik":"0002005245","reported_name":"Siren, L.L.C.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":41450,"kind":"person","name":"DEBBANE RAYMOND","position":3,"cik":"0001053890","reported_name":"DEBBANE RAYMOND","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Warrant (right to buy)","published_at":"2026-02-06T22:35:54.000Z","date":"2025-12-11","kind":"other","planned":false,"acquired":false,"shares":1575008,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The general partner of Invus Public Equities, L.P. is Invus Public Equities Advisors, LLC. The managing member of Invus Public Equities Advisors, LLC is Invus Global Management, LLC. The managing member of Invus Global Management, LLC is Siren, L.L.C. The managing member of Siren, L.L.C. is Mr. Raymond Debbane."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each of the reporting persons (other than to the extent it directly holds securities reported herein), disclaims beneficial ownership of the securities held by the other reporting persons, except to the extent of such reporting person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Exchange Act, each of the reporting persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 of the Exchange Act or for any other purpose."}],"balance_after":0,"derivative":{"exercise_price":7.35,"exercise_date":"2022-06-22","expiration_date":"2025-12-31","underlying":"Common Stock","underlying_shares":1575008},"source":{"system":"sec-edgar","filing":"0001193125-26-041456","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1053890/000119312526041456/ownership.xml","form_type":"4"}},{"id":916460,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":67456,"kind":"organization","name":"Invus Global Management, LLC","position":1,"cik":"0002005369","reported_name":"Invus Global Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":67457,"kind":"organization","name":"Siren, L.L.C.","position":2,"cik":"0002005245","reported_name":"Siren, L.L.C.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":41450,"kind":"person","name":"DEBBANE RAYMOND","position":3,"cik":"0001053890","reported_name":"DEBBANE RAYMOND","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-02-06T22:35:54.000Z","date":"2025-12-11","kind":"other","planned":false,"acquired":true,"shares":1575008,"price":7.35,"value":11576308.8,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The general partner of Invus Public Equities, L.P. is Invus Public Equities Advisors, LLC. The managing member of Invus Public Equities Advisors, LLC is Invus Global Management, LLC. The managing member of Invus Global Management, LLC is Siren, L.L.C. The managing member of Siren, L.L.C. is Mr. Raymond Debbane."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each of the reporting persons (other than to the extent it directly holds securities reported herein), disclaims beneficial ownership of the securities held by the other reporting persons, except to the extent of such reporting person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Exchange Act, each of the reporting persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 of the Exchange Act or for any other purpose."}],"balance_after":10825013,"source":{"system":"sec-edgar","filing":"0001193125-26-041456","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1053890/000119312526041456/ownership.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":934242,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":38014,"kind":"person","name":"Marantz Jing L.","position":1,"cik":"0001834528","reported_name":"Marantz Jing L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF MEDICAL OFFICER"}}],"security":"Common Stock","published_at":"2026-01-22T00:50:56.000Z","date":"2026-01-16","kind":"sale","planned":false,"acquired":false,"shares":5798,"price":44.4777,"value":257881.7046,"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 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 24,974 shares of common stock and 70,713 RSUs."}],"balance_after":95687,"source":{"system":"sec-edgar","filing":"0001834528-26-000003","document":"form4-01222026_120152.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000183452826000003/form4-01222026_120152.xml","form_type":"4"}},{"id":934237,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65669,"kind":"person","name":"Ho Junlin","position":1,"cik":"0001868114","reported_name":"Ho Junlin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2026-01-22T00:50:02.000Z","date":"2026-01-16","kind":"sale","planned":false,"acquired":false,"shares":8016,"price":44.4777,"value":356533.2432,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the vesting of restricted stock units (\"RSU\") on January 15, 2026. This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a \"sell to cover\" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the Reporting Person. The shares vested pursuant to awards that were granted on February 14, 2022 and February 12, 2024. Each RSU represents the contingent right to receive upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to these RSU awards are fully vested."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 121,471 shares of common stock and 93,082 RSUs."}],"balance_after":214553,"source":{"system":"sec-edgar","filing":"0001868114-26-000002","document":"form4-01222026_120158.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000186811426000002/form4-01222026_120158.xml","form_type":"4"}},{"id":934386,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":65681,"kind":"person","name":"Parlavecchio Caryn","position":1,"cik":"0001922346","reported_name":"Parlavecchio Caryn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHRO"}}],"security":"Common Stock","published_at":"2026-01-21T19:51:26.000Z","date":"2026-01-16","kind":"sale","planned":false,"acquired":false,"shares":6600,"price":44.4777,"value":293552.82,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares required to be sold by the Reporting Person to cover the tax withholding obligation in connection with the vesting of restricted stock units (\"RSU\") on January 15, 2026. This sale is mandated by the Issuer's election under its equity incentive plans to require the reporting person to fund this tax withholding obligation by completing a \"sell to cover\" transaction with a brokerage firm designated by the Issuer. This sale does not represent a discretionary trade by the Reporting Person. The shares vested pursuant to awards that were granted on February 14, 2022 and February 12, 2024. Each RSU represents the contingent right to receive upon vesting of the RSU, one share of the Issuer's common stock. The shares subject to these RSU awards are fully vested."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 78,283 shares of common stock and 70,581 RSUs."}],"balance_after":148864,"source":{"system":"sec-edgar","filing":"0001922346-26-000002","document":"form4-01222026_120123.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1922346/000192234626000002/form4-01222026_120123.xml","form_type":"4"}},{"id":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 Stock","published_at":"2026-01-16T23:37:18.000Z","date":"2026-01-14","kind":"exercise","planned":true,"acquired":true,"shares":321,"price":7.62,"value":2446.02,"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 1,728 shares of common stock and 108,964 RSUs."}],"balance_after":110692,"source":{"system":"sec-edgar","filing":"0001980298-26-000002","document":"form4-01162026_110114.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029826000002/form4-01162026_110114.xml","form_type":"4"}},{"id":937259,"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":1407,"price":18.08,"value":25438.56,"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 1,407 shares of common stock and 108,964 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":938518,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":51945,"kind":"person","name":"Sinha Vikas","position":1,"cik":"0001337845","reported_name":"Sinha Vikas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-01-16T00:58:31.000Z","date":"2026-01-13","kind":"sale","planned":false,"acquired":false,"shares":16755,"price":42.7,"value":715438.5,"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 subject to performance-and time-based vesting conditions (\"PSUs\"). The 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. Each PSU represents the contingent right to receive upon vesting of the PSU, one share of the Issuer's common stock."},{"field":"shares","element":"transactionShares","label":"F2","text":"(continued) The shares vested pursuant to awards that were granted on April 27, 2025. 50,000 shares subject to this PSU vested on January 12, 2026, with an additional 50,000 shares scheduled to vest on April 27, 2027 and the remaining shares vesting in tranches of a combination of performance-based vesting tied to the Issuer's common stock achieving certain price targets and time-based vesting over four year, provided the Reporting Person continues to have a service relationship with the Issuer on each such vesting date. Any PSUs that have not vested on or prior to April 27, 2029 will be forfeited for no consideration."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"33,245 shares of common stock, 100,000 restricted stock units and 450,000 PSUs."}],"balance_after":583245,"source":{"system":"sec-edgar","filing":"0001104659-26-004224","document":"tm263352-4_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926004224/tm263352-4_4seq1.xml","form_type":"4"}},{"id":938517,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":37647,"kind":"person","name":"Woods Keith","position":1,"cik":"0001996804","reported_name":"Woods Keith","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2026-01-16T00:57:26.000Z","date":"2026-01-13","kind":"sale","planned":false,"acquired":false,"shares":16746,"price":42.7,"value":715054.2,"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 subject to performance- and time-based vesting conditions (\"PSUs\"). 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. Each PSU represents the contingent right to receive upon vesting of the PSU, one share of the Issuer's common stock."},{"field":"shares","element":"transactionShares","label":"F2","text":"(continued) The shares vested pursuant to awards that were granted on April 27, 2025. 50,000 shares subject to this PSU vested on January 12, 2026, with an additional 50,000 shares scheduled to vest on April 27, 2027 and the remaining shares vesting in tranches of a combination of performance-based vesting tied to the Issuer's common stock achieving certain price targets and time-based vesting over four years, provided the reporting person continues to have a service relationship with the Issuer on each such vesting date. Any PSUs that have not vested on or prior to April 27, 2029 will be forfeited for no consideration."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 33,254 shares of common stock, 100,000 restricted stock units subject to time-based vesting conditions and 450,000 PSUs."}],"balance_after":583254,"source":{"system":"sec-edgar","filing":"0001104659-26-004223","document":"tm263352-3_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926004223/tm263352-3_4seq1.xml","form_type":"4"}},{"id":938516,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":50572,"kind":"person","name":"Vaishnaw Akshay","position":1,"cik":"0001458494","reported_name":"Vaishnaw Akshay","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of R&D"}}],"security":"Common Stock","published_at":"2026-01-16T00:56:13.000Z","date":"2026-01-13","kind":"sale","planned":false,"acquired":false,"shares":20438,"price":42.7,"value":872702.6,"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 subject to performance-and time-based vesting conditions (\"PSUs\"). The 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. Each PSU represents the contingent right to receive upon vesting of the PSU, one share of the Issuer's common stock."},{"field":"shares","element":"transactionShares","label":"F2","text":"(continued) The shares vested pursuant to awards that were granted on April 27, 2025. 50,000 shares subject to this PSU vested on January 12, 2026, with an additional 50,000 shares scheduled to vest on April 27, 2027 and the remaining shares vesting in tranches of a combination of performance-based vesting tied to the Issuer's common stock achieving certain price targets and time-based vesting over four year, provided the reporting person continues to have a service relationship with the Issuer on each such vesting date. Any PSUs that have not vested on or prior to April 27, 2029 will be forfeited for no consideration."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"45,767 shares of common stock, 100,000 restricted stock units and 450,000 PSUs."}],"balance_after":595767,"source":{"system":"sec-edgar","filing":"0001104659-26-004222","document":"tm263352-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926004222/tm263352-2_4seq1.xml","form_type":"4"}},{"id":938515,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":41362,"kind":"person","name":"Hallal David","position":1,"cik":"0001457477","reported_name":"Hallal David","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-01-16T00:54:11.000Z","date":"2026-01-13","kind":"sale","planned":false,"acquired":false,"shares":57450,"price":42.7,"value":2453115.0,"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 subject to performance-and time-based vesting conditions (\"PSUs\"). The 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. Each PSU represents the contingent right to receive upon vesting of the PSU, one share of the Issuer's common stock."},{"field":"shares","element":"transactionShares","label":"F2","text":"(continued) The shares vested pursuant to awards that were granted on April 27, 2025. 125,000 shares subject to this PSU vested on January 12, 2026, with an additional 125,000 shares scheduled to vest on April 27, 2027 and the remaining shares vesting in tranches of a combination of performance-based vesting tied to the Issuer's common stock achieving certain price targets and time-based vesting over four year, provided the Reporting Person continues to have a service relationship with the Issuer on each such vesting date. Any PSUs that have not vested on or prior to April 27, 2029 will be forfeited for no consideration."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"166,645 shares of common stock, 250,000 restricted stock units and 1,125,000 PSUs."}],"balance_after":1541645,"source":{"system":"sec-edgar","filing":"0001104659-26-004221","document":"tm263352-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000110465926004221/tm263352-1_4seq1.xml","form_type":"4"}},{"id":963316,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32211,"kind":"person","name":"Peng Katie","position":1,"cik":"0001983850","reported_name":"Peng Katie","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-18T21:30:24.000Z","date":"2025-12-16","kind":"sale","planned":true,"acquired":false,"shares":280,"price":44.6344,"value":12497.632,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on November 20, 2024 to cover tax obligations upon the vesting and settlement of restricted stock units."},{"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 $44.39 to $45.23, 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 14,844 shares of common stock and 18,064 RSUs."}],"balance_after":32908,"source":{"system":"sec-edgar","filing":"0001983850-25-000005","document":"form4-12182025_041201.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1983850/000198385025000005/form4-12182025_041201.xml","form_type":"4"}},{"id":963315,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32211,"kind":"person","name":"Peng Katie","position":1,"cik":"0001983850","reported_name":"Peng Katie","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-18T21:30:24.000Z","date":"2025-12-16","kind":"sale","planned":true,"acquired":false,"shares":726,"price":43.8761,"value":31854.0486,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b-5-1 trading plan adopted on November 20, 2024 to cover tax obligations upon the vesting and settlement of restricted stock units."},{"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 $43.39 to $44.38, 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 15,124 shares of common stock and 18,064 RSUs."}],"balance_after":33188,"source":{"system":"sec-edgar","filing":"0001983850-25-000005","document":"form4-12182025_041201.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1983850/000198385025000005/form4-12182025_041201.xml","form_type":"4"}},{"id":967636,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32933,"kind":"person","name":"AKKARAJU SRINIVAS","position":1,"cik":"0001253170","reported_name":"AKKARAJU SRINIVAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Warrants to Purchase Common Stock","published_at":"2025-12-17T02:07:57.000Z","date":"2025-12-12","kind":"other","planned":false,"acquired":false,"shares":1064804,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Samsara BioCapital LP"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Securities are directly held by Samsara BioCapital LP (\"Samsara LP\"). Samsara BioCapital GP, LLC (\"Samsara LLC\") is the general partner of Samsara LP and may be deemed to beneficially own the securities held by Samsara LP. The Reporting Person has voting and investment power over the securities held by Samsara LP and, accordingly, may be deemed to beneficially own the securities held by Samsara LP. The Reporting Person disclaims beneficial ownership in these securities except to the extent of his pecuniary interest therein."}],"balance_after":0,"derivative":{"exercise_price":7.35,"exercise_date":"2022-06-22","expiration_date":"2025-12-31","underlying":"Common Stock","underlying_shares":1064804},"source":{"system":"sec-edgar","filing":"0001253170-25-000025","document":"form4-12172025_021252.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000125317025000025/form4-12172025_021252.xml","form_type":"4"}},{"id":967635,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32933,"kind":"person","name":"AKKARAJU SRINIVAS","position":1,"cik":"0001253170","reported_name":"AKKARAJU SRINIVAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-17T02:07:57.000Z","date":"2025-12-12","kind":"other","planned":false,"acquired":true,"shares":1064804,"price":7.35,"value":7826309.4,"ownership":{"direct":false,"nature":"By Samsara BioCapital, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Securities are directly held by Samsara BioCapital LP (\"Samsara LP\"). Samsara BioCapital GP, LLC (\"Samsara LLC\") is the general partner of Samsara LP and may be deemed to beneficially own the securities held by Samsara LP. The Reporting Person has voting and investment power over the securities held by Samsara LP and, accordingly, may be deemed to beneficially own the securities held by Samsara LP. The Reporting Person disclaims beneficial ownership in these securities except to the extent of his pecuniary interest therein."}],"balance_after":6367614,"source":{"system":"sec-edgar","filing":"0001253170-25-000025","document":"form4-12172025_021252.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000125317025000025/form4-12172025_021252.xml","form_type":"4"}},{"id":967634,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32933,"kind":"person","name":"AKKARAJU SRINIVAS","position":1,"cik":"0001253170","reported_name":"AKKARAJU SRINIVAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-17T02:07:57.000Z","date":"2025-10-07","kind":"purchase","planned":false,"acquired":true,"shares":4403,"price":40.97,"value":180390.91,"ownership":{"direct":false,"nature":"By Samsara Opportunity Fund, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $40.87 to $41.00 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Securities are directly held by Samsara Opportunity Fund, L.P. (\"Samsara Opportunity Fund\"). Samsara Opportunity Fund GP, LLC (\"Samsara Opportunity GP\") is the general partner of Samsara Opportunity Fund and may be deemed to beneficially own the securities held by Samsara Opportunity Fund. The Reporting Person has voting and investment power over the securities held by Samsara Opportunity Fund and, accordingly, may be deemed to beneficially own the securities held by Samsara Opportunity Fund. The Reporting Person disclaims beneficial ownership in these securities except to the extent of his pecuniary interest therein."}],"balance_after":530038,"source":{"system":"sec-edgar","filing":"0001253170-25-000025","document":"form4-12172025_021252.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000125317025000025/form4-12172025_021252.xml","form_type":"4"}},{"id":967633,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32933,"kind":"person","name":"AKKARAJU SRINIVAS","position":1,"cik":"0001253170","reported_name":"AKKARAJU SRINIVAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-17T02:07:57.000Z","date":"2025-10-07","kind":"purchase","planned":false,"acquired":true,"shares":12400,"price":40.18,"value":498232.0,"ownership":{"direct":false,"nature":"By Samsara Opportunity Fund, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $39.8512 to $40.85 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Securities are directly held by Samsara Opportunity Fund, L.P. (\"Samsara Opportunity Fund\"). Samsara Opportunity Fund GP, LLC (\"Samsara Opportunity GP\") is the general partner of Samsara Opportunity Fund and may be deemed to beneficially own the securities held by Samsara Opportunity Fund. The Reporting Person has voting and investment power over the securities held by Samsara Opportunity Fund and, accordingly, may be deemed to beneficially own the securities held by Samsara Opportunity Fund. The Reporting Person disclaims beneficial ownership in these securities except to the extent of his pecuniary interest therein."}],"balance_after":525635,"source":{"system":"sec-edgar","filing":"0001253170-25-000025","document":"form4-12172025_021252.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000125317025000025/form4-12172025_021252.xml","form_type":"4"}},{"id":967632,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding Corp","symbol":"SRRK"},"owners":[{"id":32933,"kind":"person","name":"AKKARAJU SRINIVAS","position":1,"cik":"0001253170","reported_name":"AKKARAJU SRINIVAS","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-17T02:07:57.000Z","date":"2025-10-07","kind":"purchase","planned":false,"acquired":true,"shares":12796,"price":39.31,"value":503010.76,"ownership":{"direct":false,"nature":"By Samsara Opportunity Fund, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These securities were purchased in multiple transactions at prices ranging from $38.85 to $39.849 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Securities are directly held by Samsara Opportunity Fund, L.P. (\"Samsara Opportunity Fund\"). Samsara Opportunity Fund GP, LLC (\"Samsara Opportunity GP\") is the general partner of Samsara Opportunity Fund and may be deemed to beneficially own the securities held by Samsara Opportunity Fund. The Reporting Person has voting and investment power over the securities held by Samsara Opportunity Fund and, accordingly, may be deemed to beneficially own the securities held by Samsara Opportunity Fund. The Reporting Person disclaims beneficial ownership in these securities except to the extent of his pecuniary interest therein."}],"balance_after":513235,"source":{"system":"sec-edgar","filing":"0001253170-25-000025","document":"form4-12172025_021252.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000125317025000025/form4-12172025_021252.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.  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":"F10","text":"Consists of 108,964 RSUs."}],"balance_after":108964,"source":{"system":"sec-edgar","filing":"0001980298-25-000007","document":"form4-12052025_091222.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000007/form4-12052025_091222.xml","form_type":"4"}},{"id":979107,"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":8035,"price":35.15,"value":282430.25,"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":"F8","text":"Consists of 136,462 shares of common stock and 108,964 RSUs."}],"balance_after":245426,"source":{"system":"sec-edgar","filing":"0001980298-25-000007","document":"form4-12052025_091222.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000007/form4-12052025_091222.xml","form_type":"4"}},{"id":979106,"issuer":{"id":3721,"kind":"organization","name":"Scholar Rock Holding 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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 Stock","published_at":"2025-12-05T21:53:27.000Z","date":"2025-12-04","kind":"exercise","planned":true,"acquired":true,"shares":1281,"price":7.62,"value":9761.22,"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 93,606 shares of common stock and 108,964 RSUs."}],"balance_after":202570,"source":{"system":"sec-edgar","filing":"0001980298-25-000007","document":"form4-12052025_091222.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1727196/000198029825000007/form4-12052025_091222.xml","form_type":"4"}},{"id":979103,"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":5607,"price":4.86,"value":27250.02,"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 92,325 shares of common stock and 108,964 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"}}],"next_cursor":"2025-12-05T21:53:27.000000Z,979102"}