{"schema_version":"alpha-governance-record-v2","alpha_id":"alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b","record_version":"public-1:ro-d751713988987e9331980363e24189ce","ontology_version":"alpha-governance-ontology-v1","as_of":"2026-10-16T04:45:18.541654+00:00","published_at":"2026-10-16T04:45:18.541654+00:00","section":"events","data":{"state":"PUBLISHED","derivation_version":"alpha-governance-event-derivation-v2","events":[{"event_id":"alpha:event:transition:1kx45c71h88997","event_type":"EXECUTIVE_APPOINTED","effective_at":"2026-02-24","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:eugene-m-noel","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:20"],"evidence_ids":["alpha:projection-evidence:document:fdcf911667255b84145184aa14f0948a9293a8657053584aed2e1d9a1686b464"],"summary":"Eugene M. Noel executive of American Tower, effective 2026-02-24.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:b9d48v1sqc00d","event_type":"CEO_CHANGED","effective_at":"2026-02-24","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:juan-a-font","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:21"],"evidence_ids":["alpha:projection-evidence:document:1f41a7a4c735ae2a3e35e33ea5515ce913f502084f22230bb18297a955ac0876"],"summary":"Juan A. Font executive of American Tower, effective 2026-02-24.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:tkxaxdc8db83","event_type":"EXECUTIVE_APPOINTED","effective_at":"2026-02-24","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:richard-c-rossi","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:22"],"evidence_ids":["alpha:projection-evidence:document:a64aed3ad82866f130e200b59f5d2c2bfb5e943815efb6e469f5f3bbfa2ae786"],"summary":"Richard C. Rossi executive of American Tower, effective 2026-02-24.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1kj2tmgsgoq30","event_type":"EXECUTIVE_APPOINTED","effective_at":"2026-02-24","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:robert-j-meyer","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:23"],"evidence_ids":["alpha:projection-evidence:document:3381db6ccb9cc8b259dec05fb66556413c97839cc7e1c4fa54bbb1bfe7aca6cd"],"summary":"Robert J. Meyer executive of American Tower, effective 2026-02-24.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1p2vocqlyp8ra","event_type":"CFO_CHANGED","effective_at":"2026-02-24","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:rodney-m-smith","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:24"],"evidence_ids":["alpha:projection-evidence:document:662cff43594d119c5de6f25aa51a5d9854e282c3bcfd31432686bd24b7229f06"],"summary":"Rodney M. Smith executive of American Tower, effective 2026-02-24.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1m9cfn81q835la","event_type":"GC_CHANGED","effective_at":"2026-02-24","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:ruth-t-dowling","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:25"],"evidence_ids":["alpha:projection-evidence:document:4fc20972af5e4a952d1fdda246330c16c371c81d5043b7fe26f5aec02c6297d1"],"summary":"Ruth T. Dowling executive of American Tower, effective 2026-02-24.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1pbrscf5c67ij","event_type":"CEO_CHANGED","effective_at":"2026-02-24","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:steven-o-vondran","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:26"],"evidence_ids":["alpha:projection-evidence:document:1698ce1c43dc02c302f2e9de0bdf1f49e3bff97d669f12d0155256bb368f7431"],"summary":"Steven O. Vondran executive of American Tower, effective 2026-02-24.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1040jwr1i2njlb","event_type":"DIRECTOR_APPOINTED","effective_at":"2025-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:eugene-f-reilly","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:11"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Eugene F. Reilly seat on American Tower, effective 2025-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:18bzos51wvhfc9","event_type":"DIRECTOR_APPOINTED","effective_at":"2025-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:rajesh-kalathur","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:17"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Rajesh Kalathur seat on American Tower, effective 2025-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:nxrzvutm1fr6","event_type":"DIRECTOR_APPOINTED","effective_at":"2024-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:neville-r-ray","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:15"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Neville R. Ray seat on American Tower, effective 2024-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1rmqea7rlkro7","event_type":"DIRECTOR_APPOINTED","effective_at":"2024-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:steven-o-vondran","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:18"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Steven O. Vondran seat on American Tower, effective 2024-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1suqasw11gw07a","event_type":"DIRECTOR_APPOINTED","effective_at":"2022-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:kelly-c-chambliss","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:13"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Kelly C. Chambliss seat on American Tower, effective 2022-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1mo94wyfs7dlq","event_type":"DIRECTOR_APPOINTED","effective_at":"2021-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:kenneth-r-frank","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:14"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Kenneth R. Frank seat on American Tower, effective 2021-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1tatdv39lt8k3","event_type":"DIRECTOR_APPOINTED","effective_at":"2021-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:teresa-h-clarke","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:19"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Teresa H. Clarke seat on American Tower, effective 2021-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1c2ki78lkfz4a","event_type":"COMMITTEE_CREATED","effective_at":"2021-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:committee:american-tower-corp-ma:audit-nominating-and-corporate-governance-chair","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:14"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Audit; Nominating and Corporate Governance · Chair committee of American Tower, effective 2021-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:rozc721ugpdtq","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"2021-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:kenneth-r-frank","alpha:committee:american-tower-corp-ma:audit-nominating-and-corporate-governance-chair"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:14"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Kenneth R. Frank member of Audit; Nominating and Corporate Governance · Chair, effective 2021-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:18a8lsv15h3igt","event_type":"DIRECTOR_APPOINTED","effective_at":"2019-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:bruce-l-tanner","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:9"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Bruce L. Tanner seat on American Tower, effective 2019-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:ajia03qtptad","event_type":"COMMITTEE_CREATED","effective_at":"2019-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:committee:american-tower-corp-ma:audit-chair","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:9"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Audit · Chair committee of American Tower, effective 2019-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:w9deannft4y5","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"2019-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:bruce-l-tanner","alpha:committee:american-tower-corp-ma:audit-chair"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:9"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Bruce L. Tanner member of Audit · Chair, effective 2019-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:qv2vk711g9v95","event_type":"DIRECTOR_APPOINTED","effective_at":"2017-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:grace-d-lieblein","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:12"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Grace D. Lieblein seat on American Tower, effective 2017-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1lmdl8hgwy4gl","event_type":"COMMITTEE_CREATED","effective_at":"2017-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:committee:american-tower-corp-ma:compensation-and-human-capital-chair","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:12"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Compensation and Human Capital · Chair committee of American Tower, effective 2017-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1ryfrsf1pueahz","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"2017-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:grace-d-lieblein","alpha:committee:american-tower-corp-ma:compensation-and-human-capital-chair"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:12"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Grace D. Lieblein member of Compensation and Human Capital · Chair, effective 2017-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:13ik92y1j47pso","event_type":"DIRECTOR_APPOINTED","effective_at":"2014-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:craig-macnab","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:10"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Craig Macnab seat on American Tower, effective 2014-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:2cpjrw1qhws8s","event_type":"COMMITTEE_CREATED","effective_at":"2014-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:committee:american-tower-corp-ma:audit-compensation-and-human-capital","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:10"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Audit; Compensation and Human Capital committee of American Tower, effective 2014-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:qly79y86w85m","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"2014-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:craig-macnab","alpha:committee:american-tower-corp-ma:audit-compensation-and-human-capital"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:10"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Craig Macnab member of Audit; Compensation and Human Capital, effective 2014-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:kzrwh1bxal91","event_type":"DIRECTOR_APPOINTED","effective_at":"2002-01-01","detected_at":"2026-10-16T04:45:18.541654+00:00","subject_ids":["alpha:person:pamela-d-a-reeve","alpha:company:b0b8be76-e417-44c6-841c-3b8c0055d50b"],"caused_claim_ids":["alpha:claim:company:b0b8be76-e417-44c6-841c-3b8c0055d50b:leadership_role:16"],"evidence_ids":["alpha:projection-evidence:document:7aee206c411df5ac7963d61d587d4e52d59fc6feb52499acddda26b8ad9bd09e"],"summary":"Pamela D. 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