{"entity":{"type":"insider","cik":"0001855643","url":"/insider/0001855643","json_url":"/insider/0001855643.json","name":"Warmuth Markus","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":10,"n_filings":7,"first":"2026-01-05","last":"2026-07-17","span_basis":"filed_date"},"name_variants":[{"name":"Warmuth Markus","source":"filing","n_filings":7,"first_seen":"2026-01-05","last_seen":"2026-07-17"}],"transactions":[{"id":5850519,"accession":"0001193125-26-307791","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001193125-26-307791","line_url":"/filing/0001193125-26-307791#line-1","is_derivative":false,"issuer_cik":"0001826457","issuer_name":"Monte Rosa Therapeutics, Inc.","issuer_ticker":"GLUE","issuer_name_source":null,"issuer_url":"/issuer/0001826457","owner_cik":"0001855643","owner_name":"Warmuth Markus","owner_display_name":"Warmuth Markus","owner_url":"/insider/0001855643","role":"Director, Officer (President & CEO)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"President & CEO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9500.0,"shares_display":"9,500","price_per_share":23.1809,"price_display":"23.18","price_state":"stated","total_value":220218.55,"total_display":"220,218.55","total_whole":"220,219","shares_owned_after":585038.0,"shares_owned_after_display":"585,038","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-07-16","filed_date":"2026-07-17","scope":"insider"},{"id":5773673,"accession":"0001193125-26-253472","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001193125-26-253472","line_url":"/filing/0001193125-26-253472","is_derivative":false,"issuer_cik":"0001826457","issuer_name":"Monte Rosa Therapeutics, Inc.","issuer_ticker":"GLUE","issuer_name_source":null,"issuer_url":"/issuer/0001826457","owner_cik":"0001855643","owner_name":"Warmuth Markus","owner_display_name":"Warmuth Markus","owner_url":"/insider/0001855643","role":"Director, Officer (President & CEO)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"President & CEO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5466.0,"shares_display":"5,466","price_per_share":19.43890186608123,"price_display":"19.44","price_state":"stated","total_value":106253.0376,"total_display":"106,253.04","total_whole":"106,253","shares_owned_after":595006.0,"shares_owned_after_display":"595,006","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-06-01","filed_date":"2026-06-02","scope":"insider","n_lines":2},{"id":6062501,"accession":"0001193125-26-206344","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001193125-26-206344","line_url":"/filing/0001193125-26-206344#line-1","is_derivative":false,"issuer_cik":"0001826457","issuer_name":"Monte Rosa Therapeutics, Inc.","issuer_ticker":"GLUE","issuer_name_source":null,"issuer_url":"/issuer/0001826457","owner_cik":"0001855643","owner_name":"Warmuth Markus","owner_display_name":"Warmuth Markus","owner_url":"/insider/0001855643","role":"Director, Officer (President & CEO)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"President & CEO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5467.0,"shares_display":"5,467","price_per_share":18.922,"price_display":"18.92","price_state":"stated","total_value":103446.574,"total_display":"103,446.57","total_whole":"103,447","shares_owned_after":600004.0,"shares_owned_after_display":"600,004","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-05-01","filed_date":"2026-05-05","scope":"insider"},{"id":5785088,"accession":"0001193125-26-156981","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001193125-26-156981","line_url":"/filing/0001193125-26-156981#line-1","is_derivative":false,"issuer_cik":"0001826457","issuer_name":"Monte Rosa Therapeutics, Inc.","issuer_ticker":"GLUE","issuer_name_source":null,"issuer_url":"/issuer/0001826457","owner_cik":"0001855643","owner_name":"Warmuth Markus","owner_display_name":"Warmuth Markus","owner_url":"/insider/0001855643","role":"Director, Officer (President & CEO)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"President & CEO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":8000.0,"shares_display":"8,000","price_per_share":17.6406,"price_display":"17.64","price_state":"stated","total_value":141124.8,"total_display":"141,124.80","total_whole":"141,125","shares_owned_after":605471.0,"shares_owned_after_display":"605,471","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-04-14","filed_date":"2026-04-15","scope":"insider"},{"id":5782521,"accession":"0001193125-26-091733","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001193125-26-091733","line_url":"/filing/0001193125-26-091733#line-1","is_derivative":false,"issuer_cik":"0001826457","issuer_name":"Monte Rosa Therapeutics, Inc.","issuer_ticker":"GLUE","issuer_name_source":null,"issuer_url":"/issuer/0001826457","owner_cik":"0001855643","owner_name":"Warmuth Markus","owner_display_name":"Warmuth Markus","owner_url":"/insider/0001855643","role":"Director, Officer (President & CEO)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"President & CEO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5466.0,"shares_display":"5,466","price_per_share":17.9243,"price_display":"17.92","price_state":"stated","total_value":97974.2238,"total_display":"97,974.22","total_whole":"97,974","shares_owned_after":613471.0,"shares_owned_after_display":"613,471","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-03-02","filed_date":"2026-03-04","scope":"insider"},{"id":5943196,"accession":"0001193125-26-008902","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001193125-26-008902","line_url":"/filing/0001193125-26-008902","is_derivative":false,"issuer_cik":"0001826457","issuer_name":"Monte Rosa Therapeutics, Inc.","issuer_ticker":"GLUE","issuer_name_source":null,"issuer_url":"/issuer/0001826457","owner_cik":"0001855643","owner_name":"Warmuth Markus","owner_display_name":"Warmuth Markus","owner_url":"/insider/0001855643","role":"Director, Officer (President & CEO)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"President & CEO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5466.0,"shares_display":"5,466","price_per_share":23.485650896450785,"price_display":"23.49","price_state":"stated","total_value":128372.5678,"total_display":"128,372.57","total_whole":"128,373","shares_owned_after":620696.0,"shares_owned_after_display":"620,696","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-01-07","filed_date":"2026-01-09","scope":"insider","n_lines":3},{"id":5929287,"accession":"0001193125-26-002389","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001193125-26-002389","line_url":"/filing/0001193125-26-002389#line-2","is_derivative":false,"issuer_cik":"0001826457","issuer_name":"Monte Rosa Therapeutics, Inc.","issuer_ticker":"GLUE","issuer_name_source":null,"issuer_url":"/issuer/0001826457","owner_cik":"0001855643","owner_name":"Warmuth Markus","owner_display_name":"Warmuth Markus","owner_url":"/insider/0001855643","role":"Director, Officer (President & CEO)","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"President & CEO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10135.0,"shares_display":"10,135","price_per_share":15.17,"price_display":"15.17","price_state":"stated","total_value":153747.95,"total_display":"153,747.95","total_whole":"153,748","shares_owned_after":624403.0,"shares_owned_after_display":"624,403","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-01-05","filed_date":"2026-01-05","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":10,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":0,"open_market":true},{"code":"S","label":"Open-market sale","n":10,"open_market":true},{"code":"M","label":"Option exercise","n":0,"open_market":false},{"code":"A","label":"Grant or award","n":0,"open_market":false},{"code":"F","label":"Tax withholding","n":0,"open_market":false},{"code":"D","label":"Disposition to the issuer","n":0,"open_market":false},{"code":"X","label":"In-the-money option exercise","n":0,"open_market":false}],"total":10},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001826457","name":"Monte Rosa Therapeutics, Inc.","url":"/issuer/0001826457","role":"Director, Officer (President & CEO)","n_filings":7,"first_seen":"2026-01-05","last_seen":"2026-07-17"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001855643","retrieved_at":"2026-08-26T18:46:03+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-25","last_ingest":"2026-08-26T05:24:25.741053+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}