{"schema_version":"alpha-governance-record-v2","alpha_id":"alpha:company:fccbee49-deff-4b94-b996-365c6fc44629","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce","ontology_version":"alpha-governance-ontology-v1","as_of":"2026-10-17T00:15:37.90964+00:00","published_at":"2026-10-16T13:52:46.314178+00:00","section":"events","data":{"state":"PUBLISHED","derivation_version":"alpha-governance-event-derivation-v2","events":[{"event_id":"alpha:event:transition:ms6wq2czml8","event_type":"CEO_CHANGED","effective_at":"2026-04-29","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:person:andrew-j-hirsch","alpha:company:fccbee49-deff-4b94-b996-365c6fc44629"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:14"],"evidence_ids":["alpha:projection-evidence:document:9fdd4ea91185550ae039b2ac4365651891245545d2c6115dba1c1ed28747f2ab"],"summary":"Andrew Hirsch executive of C4 Therapeutics, Inc., effective 2026-04-29.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:mf3h5s1c4ghd4","event_type":"CFO_CHANGED","effective_at":"2026-04-29","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:person:kendra-r-adams","alpha:company:fccbee49-deff-4b94-b996-365c6fc44629"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:15"],"evidence_ids":["alpha:projection-evidence:document:193548c83e08bdff466f5ffbf3596988d6eb1421a5d74f621b0ab13cc7be122f"],"summary":"Kendra R. Adams executive of C4 Therapeutics, Inc., effective 2026-04-29.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:rx1atz1hz3gc9","event_type":"EXECUTIVE_APPOINTED","effective_at":"2026-04-29","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:person:leonard-reyno-m-d","alpha:company:fccbee49-deff-4b94-b996-365c6fc44629"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:16"],"evidence_ids":["alpha:projection-evidence:document:07af05ef69d714322b9b6ec321f7fd0d8f72ccff3f884ccca90c005d2ec43ab2"],"summary":"Leonard Reyno, M.D. executive of C4 Therapeutics, Inc., effective 2026-04-29.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:17um0411mj0sch","event_type":"DIRECTOR_APPOINTED","effective_at":"2024-01-01","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:person:ronald-harold-wilfred-cooper","alpha:company:fccbee49-deff-4b94-b996-365c6fc44629"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:10"],"evidence_ids":["alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137"],"summary":"Ronald Harold Wilfred Cooper seat on C4 Therapeutics, Inc., effective 2024-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:gcoty81cy2mw8","event_type":"DIRECTOR_APPOINTED","effective_at":"2024-01-01","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:person:stephen-fawell-ph-d","alpha:company:fccbee49-deff-4b94-b996-365c6fc44629"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:11"],"evidence_ids":["alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137"],"summary":"Stephen Fawell, Ph.D. seat on C4 Therapeutics, Inc., effective 2024-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1xj4fwb3kc5fn","event_type":"DIRECTOR_APPOINTED","effective_at":"2024-01-01","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:person:steven-hoerter","alpha:company:fccbee49-deff-4b94-b996-365c6fc44629"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:12"],"evidence_ids":["alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137"],"summary":"Steven Hoerter seat on C4 Therapeutics, Inc., effective 2024-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:eft1br5qa4ab","event_type":"COMMITTEE_CREATED","effective_at":"2024-01-01","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:committee:c4-therapeutics-inc:audit-compensation-chair","alpha:company:fccbee49-deff-4b94-b996-365c6fc44629"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:12"],"evidence_ids":["alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137"],"summary":"Audit; Compensation · Chair committee of C4 Therapeutics, Inc., effective 2024-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:153f3c910flaz9","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"2024-01-01","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:person:steven-hoerter","alpha:committee:c4-therapeutics-inc:audit-compensation-chair"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:12"],"evidence_ids":["alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137"],"summary":"Steven Hoerter member of Audit; Compensation · Chair, effective 2024-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:6yv3l31l5s2ot","event_type":"COMMITTEE_CREATED","effective_at":"2024-01-01","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:committee:c4-therapeutics-inc:nominating-and-governance-chair","alpha:company:fccbee49-deff-4b94-b996-365c6fc44629"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:10"],"evidence_ids":["alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137"],"summary":"Nominating and Governance · Chair committee of C4 Therapeutics, Inc., effective 2024-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:11ytyxqqayu10","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"2024-01-01","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:person:ronald-harold-wilfred-cooper","alpha:committee:c4-therapeutics-inc:nominating-and-governance-chair"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:10"],"evidence_ids":["alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137"],"summary":"Ronald Harold Wilfred Cooper member of Nominating and Governance · Chair, effective 2024-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:46j27eqfes6e","event_type":"DIRECTOR_APPOINTED","effective_at":"2023-01-01","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:person:owen-hughes","alpha:company:fccbee49-deff-4b94-b996-365c6fc44629"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:9"],"evidence_ids":["alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137"],"summary":"Owen Hughes seat on C4 Therapeutics, Inc., effective 2023-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:9795iu407y","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"2023-01-01","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:person:owen-hughes","alpha:committee:c4-therapeutics-inc:audit"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:committee_record:17"],"evidence_ids":["alpha:projection-evidence:68c39db9da956b6785ae568e73fcb9e7bd743e76d7556918aac82ef2a81b1722"],"summary":"Owen Hughes member of Audit, effective 2023-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:3z50w4nssdmg","event_type":"DIRECTOR_APPOINTED","effective_at":"2022-01-01","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:person:donna-grogan-m-d","alpha:company:fccbee49-deff-4b94-b996-365c6fc44629"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:6"],"evidence_ids":["alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137"],"summary":"Donna Grogan, M.D. seat on C4 Therapeutics, Inc., effective 2022-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1ioddx26jo39i","event_type":"DIRECTOR_APPOINTED","effective_at":"2022-01-01","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:person:laura-bessen-m-d","alpha:company:fccbee49-deff-4b94-b996-365c6fc44629"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:8"],"evidence_ids":["alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137"],"summary":"Laura Bessen, M.D. seat on C4 Therapeutics, Inc., effective 2022-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:rvyuva6mbkqg","event_type":"DIRECTOR_APPOINTED","effective_at":"2022-01-01","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:person:utpal-koppikar","alpha:company:fccbee49-deff-4b94-b996-365c6fc44629"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:13"],"evidence_ids":["alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137"],"summary":"Utpal Koppikar seat on C4 Therapeutics, Inc., effective 2022-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1inz9lgvp7f6k","event_type":"COMMITTEE_CREATED","effective_at":"2022-01-01","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:committee:c4-therapeutics-inc:audit-chair-compensation","alpha:company:fccbee49-deff-4b94-b996-365c6fc44629"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:13"],"evidence_ids":["alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137"],"summary":"Audit · Chair; Compensation committee of C4 Therapeutics, Inc., effective 2022-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1aezf00pisnlq","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"2022-01-01","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:person:utpal-koppikar","alpha:committee:c4-therapeutics-inc:audit-chair-compensation"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:13"],"evidence_ids":["alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137"],"summary":"Utpal Koppikar member of Audit · Chair; Compensation, effective 2022-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1v5pn5b3iybx1","event_type":"DIRECTOR_APPOINTED","effective_at":"2020-01-01","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:person:andrew-j-hirsch","alpha:company:fccbee49-deff-4b94-b996-365c6fc44629"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:5"],"evidence_ids":["alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137"],"summary":"Andrew Hirsch seat on C4 Therapeutics, Inc., effective 2020-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1tds4u1j4e72t","event_type":"DIRECTOR_APPOINTED","effective_at":"2015-01-01","detected_at":"2026-10-16T13:52:46.314178+00:00","subject_ids":["alpha:person:kenneth-c-anderson-m-d","alpha:company:fccbee49-deff-4b94-b996-365c6fc44629"],"caused_claim_ids":["alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:7"],"evidence_ids":["alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137"],"summary":"Kenneth C. Anderson, M.D. seat on C4 Therapeutics, Inc., effective 2015-01-01.","derivation":"temporal_relationship_change"}]},"claims":[{"id":"alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:5","subject_id":"alpha:company:fccbee49-deff-4b94-b996-365c6fc44629","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:andrew-j-hirsch","object_label":"Andrew Hirsch","object_source_name_forms":[],"value":"Andrew Hirsch: Director","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:andrew-j-hirsch","name":"Andrew Hirsch"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":false,"start_date":"2020-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2020-01-01","valid_to":null,"recorded_at":"2026-10-16T13:52:46.314178+00:00","sources":[{"id":"alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"C4 Therapeutics, Inc. DEF 14A 2025-04-29","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828025020466/cccc-20250429.htm","source_date":"2025-04-29","retrieved_at":"2026-04-28T23:35:02.947+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2025-04-29","effective_from":"2020-01-01","effective_until":null,"observed_at":"2026-10-16T13:52:46.314178+00:00","reviewed_at":"2026-10-16T13:52:46.314178+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:6","subject_id":"alpha:company:fccbee49-deff-4b94-b996-365c6fc44629","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:donna-grogan-m-d","object_label":"Donna Grogan, M.D.","object_source_name_forms":[],"value":"Donna Grogan, M.D.: Director","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:donna-grogan-m-d","name":"Donna Grogan, M.D."},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2022-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2022-01-01","valid_to":null,"recorded_at":"2026-10-16T13:52:46.314178+00:00","sources":[{"id":"alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"C4 Therapeutics, Inc. DEF 14A 2025-04-29","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828025020466/cccc-20250429.htm","source_date":"2025-04-29","retrieved_at":"2026-04-28T23:35:02.947+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2025-04-29","effective_from":"2022-01-01","effective_until":null,"observed_at":"2026-10-16T13:52:46.314178+00:00","reviewed_at":"2026-10-16T13:52:46.314178+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:7","subject_id":"alpha:company:fccbee49-deff-4b94-b996-365c6fc44629","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:kenneth-c-anderson-m-d","object_label":"Kenneth C. Anderson, M.D.","object_source_name_forms":[],"value":"Kenneth C. Anderson, M.D.: Director","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:kenneth-c-anderson-m-d","name":"Kenneth C. Anderson, M.D."},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2015-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2015-01-01","valid_to":null,"recorded_at":"2026-10-16T13:52:46.314178+00:00","sources":[{"id":"alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"C4 Therapeutics, Inc. DEF 14A 2025-04-29","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828025020466/cccc-20250429.htm","source_date":"2025-04-29","retrieved_at":"2026-04-28T23:35:02.947+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2025-04-29","effective_from":"2015-01-01","effective_until":null,"observed_at":"2026-10-16T13:52:46.314178+00:00","reviewed_at":"2026-10-16T13:52:46.314178+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:8","subject_id":"alpha:company:fccbee49-deff-4b94-b996-365c6fc44629","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:laura-bessen-m-d","object_label":"Laura Bessen, M.D.","object_source_name_forms":[],"value":"Laura Bessen, M.D.: Director","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:laura-bessen-m-d","name":"Laura Bessen, M.D."},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2022-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2022-01-01","valid_to":null,"recorded_at":"2026-10-16T13:52:46.314178+00:00","sources":[{"id":"alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"C4 Therapeutics, Inc. DEF 14A 2025-04-29","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828025020466/cccc-20250429.htm","source_date":"2025-04-29","retrieved_at":"2026-04-28T23:35:02.947+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2025-04-29","effective_from":"2022-01-01","effective_until":null,"observed_at":"2026-10-16T13:52:46.314178+00:00","reviewed_at":"2026-10-16T13:52:46.314178+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:9","subject_id":"alpha:company:fccbee49-deff-4b94-b996-365c6fc44629","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:owen-hughes","object_label":"Owen Hughes","object_source_name_forms":[],"value":"Owen Hughes: Director, Audit","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:owen-hughes","name":"Owen Hughes"},"title":"Director","role_category":"director","committee":"Audit","is_board_chair":false,"is_independent":true,"start_date":"2023-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2023-01-01","valid_to":null,"recorded_at":"2026-10-16T13:52:46.314178+00:00","sources":[{"id":"alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"C4 Therapeutics, Inc. DEF 14A 2025-04-29","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828025020466/cccc-20250429.htm","source_date":"2025-04-29","retrieved_at":"2026-04-28T23:35:02.947+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2025-04-29","effective_from":"2023-01-01","effective_until":null,"observed_at":"2026-10-16T13:52:46.314178+00:00","reviewed_at":"2026-10-16T13:52:46.314178+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:10","subject_id":"alpha:company:fccbee49-deff-4b94-b996-365c6fc44629","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:ronald-harold-wilfred-cooper","object_label":"Ronald Harold Wilfred Cooper","object_source_name_forms":[],"value":"Ronald Harold Wilfred Cooper: Director, Nominating and Governance · Chair","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:ronald-harold-wilfred-cooper","name":"Ronald Harold Wilfred Cooper"},"title":"Director","role_category":"director","committee":"Nominating and Governance · Chair","is_board_chair":false,"is_independent":true,"start_date":"2024-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2024-01-01","valid_to":null,"recorded_at":"2026-10-16T13:52:46.314178+00:00","sources":[{"id":"alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"C4 Therapeutics, Inc. DEF 14A 2025-04-29","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828025020466/cccc-20250429.htm","source_date":"2025-04-29","retrieved_at":"2026-04-28T23:35:02.947+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2025-04-29","effective_from":"2024-01-01","effective_until":null,"observed_at":"2026-10-16T13:52:46.314178+00:00","reviewed_at":"2026-10-16T13:52:46.314178+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:11","subject_id":"alpha:company:fccbee49-deff-4b94-b996-365c6fc44629","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:stephen-fawell-ph-d","object_label":"Stephen Fawell, Ph.D.","object_source_name_forms":[],"value":"Stephen Fawell, Ph.D.: Director","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:stephen-fawell-ph-d","name":"Stephen Fawell, Ph.D."},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2024-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2024-01-01","valid_to":null,"recorded_at":"2026-10-16T13:52:46.314178+00:00","sources":[{"id":"alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"C4 Therapeutics, Inc. DEF 14A 2025-04-29","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828025020466/cccc-20250429.htm","source_date":"2025-04-29","retrieved_at":"2026-04-28T23:35:02.947+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2025-04-29","effective_from":"2024-01-01","effective_until":null,"observed_at":"2026-10-16T13:52:46.314178+00:00","reviewed_at":"2026-10-16T13:52:46.314178+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:12","subject_id":"alpha:company:fccbee49-deff-4b94-b996-365c6fc44629","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:steven-hoerter","object_label":"Steven Hoerter","object_source_name_forms":[],"value":"Steven Hoerter: Director, Audit; Compensation · Chair","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:steven-hoerter","name":"Steven Hoerter"},"title":"Director","role_category":"director","committee":"Audit; Compensation · Chair","is_board_chair":false,"is_independent":true,"start_date":"2024-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2024-01-01","valid_to":null,"recorded_at":"2026-10-16T13:52:46.314178+00:00","sources":[{"id":"alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"C4 Therapeutics, Inc. DEF 14A 2025-04-29","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828025020466/cccc-20250429.htm","source_date":"2025-04-29","retrieved_at":"2026-04-28T23:35:02.947+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2025-04-29","effective_from":"2024-01-01","effective_until":null,"observed_at":"2026-10-16T13:52:46.314178+00:00","reviewed_at":"2026-10-16T13:52:46.314178+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:13","subject_id":"alpha:company:fccbee49-deff-4b94-b996-365c6fc44629","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:utpal-koppikar","object_label":"Utpal Koppikar","object_source_name_forms":[],"value":"Utpal Koppikar: Director, Audit · Chair; Compensation","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:utpal-koppikar","name":"Utpal Koppikar"},"title":"Director","role_category":"director","committee":"Audit · Chair; Compensation","is_board_chair":false,"is_independent":true,"start_date":"2022-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2022-01-01","valid_to":null,"recorded_at":"2026-10-16T13:52:46.314178+00:00","sources":[{"id":"alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"C4 Therapeutics, Inc. DEF 14A 2025-04-29","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828025020466/cccc-20250429.htm","source_date":"2025-04-29","retrieved_at":"2026-04-28T23:35:02.947+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2025-04-29","effective_from":"2022-01-01","effective_until":null,"observed_at":"2026-10-16T13:52:46.314178+00:00","reviewed_at":"2026-10-16T13:52:46.314178+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:14","subject_id":"alpha:company:fccbee49-deff-4b94-b996-365c6fc44629","predicate":"alpha:hasExecutiveRole","object_id":"alpha:person:andrew-j-hirsch","object_label":"Andrew Hirsch","object_source_name_forms":[],"value":"Andrew Hirsch: President and Chief Executive Officer","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"executive_role","person":{"alpha_id":"alpha:person:andrew-j-hirsch","name":"Andrew Hirsch"},"title":"President and Chief Executive Officer","role_category":"executive","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-04-29","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2026-04-29","valid_to":null,"recorded_at":"2026-10-16T13:52:46.314178+00:00","sources":[{"id":"alpha:projection-evidence:document:9fdd4ea91185550ae039b2ac4365651891245545d2c6115dba1c1ed28747f2ab","identity_scope":"source_document_reference","source_type":"sec_filing","title":"CCCC DEF 14A executive officers","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828026028104/cccc-20260429.htm","source_date":"2026-04-29T00:00:00+00:00","retrieved_at":"2026-05-16T00:13:53.865862+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2026-04-29T00:00:00+00:00","effective_from":"2026-04-29","effective_until":null,"observed_at":"2026-10-16T13:52:46.314178+00:00","reviewed_at":"2026-10-16T13:52:46.314178+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.94,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:15","subject_id":"alpha:company:fccbee49-deff-4b94-b996-365c6fc44629","predicate":"alpha:hasExecutiveRole","object_id":"alpha:person:kendra-r-adams","object_label":"Kendra R. Adams","object_source_name_forms":[],"value":"Kendra R. Adams: Chief Financial Officer, Head of Corporate Affairs","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"executive_role","person":{"alpha_id":"alpha:person:kendra-r-adams","name":"Kendra R. Adams"},"title":"Chief Financial Officer, Head of Corporate Affairs","role_category":"executive","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-04-29","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2026-04-29","valid_to":null,"recorded_at":"2026-10-16T13:52:46.314178+00:00","sources":[{"id":"alpha:projection-evidence:document:193548c83e08bdff466f5ffbf3596988d6eb1421a5d74f621b0ab13cc7be122f","identity_scope":"source_document_reference","source_type":"sec_filing","title":"CCCC DEF 14A executive officers","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828026028104/cccc-20260429.htm","source_date":"2026-04-29T00:00:00+00:00","retrieved_at":"2026-05-16T00:13:54.310323+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2026-04-29T00:00:00+00:00","effective_from":"2026-04-29","effective_until":null,"observed_at":"2026-10-16T13:52:46.314178+00:00","reviewed_at":"2026-10-16T13:52:46.314178+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.94,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:leadership_role:16","subject_id":"alpha:company:fccbee49-deff-4b94-b996-365c6fc44629","predicate":"alpha:hasExecutiveRole","object_id":"alpha:person:leonard-reyno-m-d","object_label":"Leonard Reyno, M.D.","object_source_name_forms":[],"value":"Leonard Reyno, M.D.: Chief Medical Officer","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"executive_role","person":{"alpha_id":"alpha:person:leonard-reyno-m-d","name":"Leonard Reyno, M.D."},"title":"Chief Medical Officer","role_category":"executive","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-04-29","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2026-04-29","valid_to":null,"recorded_at":"2026-10-16T13:52:46.314178+00:00","sources":[{"id":"alpha:projection-evidence:document:07af05ef69d714322b9b6ec321f7fd0d8f72ccff3f884ccca90c005d2ec43ab2","identity_scope":"source_document_reference","source_type":"sec_filing","title":"CCCC DEF 14A executive officers","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828026028104/cccc-20260429.htm","source_date":"2026-04-29T00:00:00+00:00","retrieved_at":"2026-05-16T00:13:54.748688+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2026-04-29T00:00:00+00:00","effective_from":"2026-04-29","effective_until":null,"observed_at":"2026-10-16T13:52:46.314178+00:00","reviewed_at":"2026-10-16T13:52:46.314178+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.94,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:fccbee49-deff-4b94-b996-365c6fc44629:committee_record:17","subject_id":"alpha:company:fccbee49-deff-4b94-b996-365c6fc44629","predicate":"alpha:hasBoardCommittee","object_id":null,"object_label":null,"object_source_name_forms":[],"value":"Audit: Chair Utpal Koppikar; Members Utpal Koppikar (Chair); Owen Hughes; Steven Hoerter","claim_type":"committee_record","predicate_id":"alpha:predicate:committee_record","predicate_version":1,"machine_key":"committee_record","human_label":"Committee Record","governed_predicate":true,"machine_value":{"name":"Audit","canonical_type":"audit","chair":"Utpal Koppikar","members":[{"display_name":"Utpal Koppikar","person_slug":"utpal-koppikar","is_chair":true},{"display_name":"Owen Hughes","person_slug":"owen-hughes","is_chair":false},{"display_name":"Steven Hoerter","person_slug":"steven-hoerter","is_chair":false}],"source_id":"board_seats"},"corroboration_count":1,"source_claim_count":1,"valid_from":null,"valid_to":null,"recorded_at":"2026-10-16T13:52:46.314178+00:00","sources":[{"id":"alpha:projection-evidence:68c39db9da956b6785ae568e73fcb9e7bd743e76d7556918aac82ef2a81b1722","identity_scope":"representation_reference","source_type":"board_seats","title":"Audit","publisher":"board_seats","url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828025020466/cccc-20250429.htm","source_date":null,"retrieved_at":null,"locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":null,"effective_from":null,"effective_until":null,"observed_at":"2026-10-16T13:52:46.314178+00:00","reviewed_at":"2026-10-16T13:52:46.314178+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"source_reported","review_state":"none","confidence":null,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"}],"evidence":[{"id":"alpha:projection-evidence:document:c02b3b0f6f28618081e8839efe8912de20b1bdfe14e474e3a271ccb6439c2137","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"C4 Therapeutics, Inc. DEF 14A 2025-04-29","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828025020466/cccc-20250429.htm","source_date":"2025-04-29","retrieved_at":"2026-04-28T23:35:02.947+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}},{"id":"alpha:projection-evidence:document:9fdd4ea91185550ae039b2ac4365651891245545d2c6115dba1c1ed28747f2ab","identity_scope":"source_document_reference","source_type":"sec_filing","title":"CCCC DEF 14A executive officers","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828026028104/cccc-20260429.htm","source_date":"2026-04-29T00:00:00+00:00","retrieved_at":"2026-05-16T00:13:53.865862+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}},{"id":"alpha:projection-evidence:document:193548c83e08bdff466f5ffbf3596988d6eb1421a5d74f621b0ab13cc7be122f","identity_scope":"source_document_reference","source_type":"sec_filing","title":"CCCC DEF 14A executive officers","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828026028104/cccc-20260429.htm","source_date":"2026-04-29T00:00:00+00:00","retrieved_at":"2026-05-16T00:13:54.310323+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}},{"id":"alpha:projection-evidence:document:07af05ef69d714322b9b6ec321f7fd0d8f72ccff3f884ccca90c005d2ec43ab2","identity_scope":"source_document_reference","source_type":"sec_filing","title":"CCCC DEF 14A executive officers","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828026028104/cccc-20260429.htm","source_date":"2026-04-29T00:00:00+00:00","retrieved_at":"2026-05-16T00:13:54.748688+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}},{"id":"alpha:projection-evidence:68c39db9da956b6785ae568e73fcb9e7bd743e76d7556918aac82ef2a81b1722","identity_scope":"representation_reference","source_type":"board_seats","title":"Audit","publisher":"board_seats","url":"https://www.sec.gov/Archives/edgar/data/1662579/000162828025020466/cccc-20250429.htm","source_date":null,"retrieved_at":null,"locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"coverage_state":"PUBLISHED","quality":{"schema_version":"alpha-record-quality-v2","overall":0.843,"status":"strong","publication_readiness":"ready","dimensions":{"identity":1,"coverage":0.5,"freshness":1,"evidence_completeness":1,"source_authority":0.896,"cross_source_agreement":0.75,"temporal_completeness":0.667},"diagnostics":{"published_claims":25,"factual_claims":25,"claims_with_linked_evidence":25,"disputed_claims":0,"conflicts":0,"stale_claims":0,"stale_claim_ids":[],"temporal_claims":18,"temporal_claims_with_valid_from":12,"missing_coverage_sections":["governance","financials","workforce","ownership","ratings"],"missing_expected_claims":["headquarters","official_website","financial_metric","governance_document","ownership","auditor","legal_matter","risk","ai_governance"]},"derivation":"deterministic_record_projection"},"publication":{"state":"PUBLISHED","published_at":"2026-10-16T13:52:46.314178+00:00","observed_at":"2026-10-16T13:52:46.314178+00:00","reviewed_at":"2026-10-16T13:52:46.314178+00:00","verified_at":"2026-10-16T13:52:46.314178+00:00"},"verification":{"schema_version":"alpha-verification-states-v1","state":"source_reported","identity_ownership":"unclaimed","assurance_level":null,"claim_state_counts":{"source_reported":25,"corroborated":0,"alpha_verified":0,"disputed":0,"superseded":0},"derivation":"claim_states+identity_ownership","summary":"Published claims are reported by public sources; none is Alpha verified. Profile ownership is unclaimed.","facets":[{"facet":"identity","state":"unclaimed"},{"facet":"evidence","state":"source_reported"},{"facet":"evaluation","state":"not_evaluated"},{"facet":"monitoring","state":null},{"facet":"authority","state":null},{"facet":"freshness","state":"current"}]},"rights":{"public_retrieval":"allowed","agent_retrieval":"allowed","redistribution":"not_granted","model_training":"not_granted","commercial_use":"not_specified","relationship_pathfinding":"not_granted","direct_contact":"not_granted"},"resource":{"uri":"alpha://company/c4-therapeutics-inc/events","section":"events","href":"https://registry.alpha.ac/api/public/companies/c4-therapeutics-inc?format=record&section=events","media_type":"application/json","availability":"contract"},"limitations":["Absence of a leadership role, committee, or disclosure is not evidence that it does not exist.","Only explicitly published canonical company identity and current confirmed public roles are included.","Absence of a board, committee, executive, listing, or claim is not evidence that it does not exist.","Public retrieval does not grant redistribution, model-training, direct-contact, or relationship-pathfinding rights.","This Company Profile is an identity and evidence record, not an Alpha rating."]}