{"schema_version":"alpha-governance-record-v2","alpha_id":"alpha:company:bee12477-9858-4107-8779-4e9347bf356a","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce","ontology_version":"alpha-governance-ontology-v1","as_of":"2026-10-17T09:59:43.849044+00:00","published_at":"2026-10-17T04:45:14.05764+00:00","section":"events","data":{"state":"PUBLISHED","derivation_version":"alpha-governance-event-derivation-v2","events":[{"event_id":"alpha:event:transition:1vmvcnsy6fc0k","event_type":"CEO_CHANGED","effective_at":"2026-02-04","detected_at":"2026-10-17T04:45:14.05764+00:00","subject_ids":["alpha:person:leonard-s-schleifer","alpha:company:bee12477-9858-4107-8779-4e9347bf356a"],"caused_claim_ids":["alpha:claim:company:bee12477-9858-4107-8779-4e9347bf356a:leadership_role:26"],"evidence_ids":["alpha:projection-evidence:document:d1265880b1e2ef08d82c9a445c87fe66862069e264638236b86548dd48aa0a99"],"summary":"Leonard S. 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Yancopoulos seat on Regeneron Pharmaceuticals, effective 2001-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:kwhco611tdgfk","event_type":"DIRECTOR_APPOINTED","effective_at":"1991-01-01","detected_at":"2026-10-17T04:45:14.05764+00:00","subject_ids":["alpha:person:joseph-l-goldstein","alpha:company:bee12477-9858-4107-8779-4e9347bf356a"],"caused_claim_ids":["alpha:claim:company:bee12477-9858-4107-8779-4e9347bf356a:leadership_role:17"],"evidence_ids":["alpha:projection-evidence:document:6e9bd9d2b15eb2753d0fde483cdcf45b0d19938579315e42b24582ad7f75faf3"],"summary":"Joseph L. 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