{"transactions":[{"id":4635940,"issuer":{"id":4828,"kind":"organization","name":"Monte Rosa Therapeutics, Inc.","symbol":"GLUE"},"owners":[{"id":53362,"kind":"person","name":"Bowen Matthew","position":1,"cik":"0002115025","reported_name":"Bowen Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2026-10-06T20:05:05.000Z","date":"2026-10-05","kind":"sale","planned":false,"acquired":false,"shares":13,"price":10.56,"value":137.28,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. These sales were automatic and not in the discretion of the Reporting Person."}],"balance_after":25891,"source":{"system":"sec-edgar","filing":"0001193125-26-415540","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2115025/000119312526415540/ownership.xml","form_type":"4"}},{"id":813085,"issuer":{"id":4828,"kind":"organization","name":"Monte Rosa Therapeutics, Inc.","symbol":"GLUE"},"owners":[{"id":53362,"kind":"person","name":"Bowen Matthew","position":1,"cik":"0002115025","reported_name":"Bowen Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-04-07T20:10:03.000Z","date":"2026-04-06","kind":"grant","planned":false,"acquired":true,"shares":19500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"25% of this option shall vest and become exercisable on April 6, 2027, with the remainder vesting in 36 substantially equal monthly installments thereafter, subject to the Reporting Person's continued service on each such vesting date."}],"balance_after":19500,"derivative":{"exercise_price":16.93,"expiration_date":"2036-04-05","underlying":"Common Stock","underlying_shares":19500},"source":{"system":"sec-edgar","filing":"0001193125-26-145545","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1826457/000119312526145545/ownership.xml","form_type":"4"}},{"id":813084,"issuer":{"id":4828,"kind":"organization","name":"Monte Rosa Therapeutics, Inc.","symbol":"GLUE"},"owners":[{"id":53362,"kind":"person","name":"Bowen Matthew","position":1,"cik":"0002115025","reported_name":"Bowen Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2026-04-07T20:10:03.000Z","date":"2026-04-06","kind":"grant","planned":false,"acquired":true,"shares":4300,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted under the Issuer's 2021 Stock Option and Incentive Plan. Each RSU represents the contingent right to receive one share of the Issuer's Common Stock upon vesting and settlement. 25% of the RSUs shall vest on April 6, 2027, with the remainder vesting in 3 equal annual installments thereafter, subject to the Reporting Person's continued service on each such vesting date."}],"balance_after":25904,"source":{"system":"sec-edgar","filing":"0001193125-26-145545","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1826457/000119312526145545/ownership.xml","form_type":"4"}}]}