{"schema_version":"alpha-governance-record-v2","alpha_id":"alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50","record_version":"public-1:ro-d751713988987e9331980363e24189ce","ontology_version":"alpha-governance-ontology-v1","as_of":"2026-10-15T04:45:42.419704+00:00","published_at":"2026-10-15T04:45:42.419704+00:00","section":"events","data":{"state":"PUBLISHED","derivation_version":"alpha-governance-event-derivation-v2","events":[{"event_id":"alpha:event:transition:161x1e0hsmkvs","event_type":"CFO_CHANGED","effective_at":"2026-02-20","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:josh-hirsberg-byd","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:13"],"evidence_ids":["alpha:projection-evidence:document:540b9c31c30ff949aefb02ee397852f132a64e1de4b5af393fe31ef0669581e4"],"summary":"Josh Hirsberg executive of BOYD GAMING CORP, effective 2026-02-20.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:pkejl86qfw3m","event_type":"EXECUTIVE_APPOINTED","effective_at":"2026-02-20","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:lisa-m-nelson","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:14"],"evidence_ids":["alpha:projection-evidence:document:e9ff4e25fdf6f7880a8c403856d4b03ddb88647adc9599ac4862f64a976f004c"],"summary":"Lori M. Nelson executive of BOYD GAMING CORP, effective 2026-02-20.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:jq4d9w1i0ywfu","event_type":"EXECUTIVE_APPOINTED","effective_at":"2026-02-20","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:stephen-s-thompson-byd","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:15"],"evidence_ids":["alpha:projection-evidence:document:0a47fc792fe2b4603182e1f13781d7e2e5bcb5227a3692f2b32ae3e0efa00eff"],"summary":"Stephen S. Thompson executive of BOYD GAMING CORP, effective 2026-02-20.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:mpq2t810b8cvi","event_type":"EXECUTIVE_APPOINTED","effective_at":"2026-02-20","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:steven-schutte-byd","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:16"],"evidence_ids":["alpha:projection-evidence:document:2c6d77d8a3d11236ade21f0de7289562748903ec3850b081fae81125dc2940d7"],"summary":"Steven Schutte executive of BOYD GAMING CORP, effective 2026-02-20.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1w0i341p3cg8f","event_type":"GC_CHANGED","effective_at":"2026-02-20","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:uri-clinton-byd","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:17"],"evidence_ids":["alpha:projection-evidence:document:ed52682a5e056693f0dc0d38fbf7ae47927cbe6ef00ff405b28f71a35c869994"],"summary":"Uri Clinton executive of BOYD GAMING CORP, effective 2026-02-20.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:171xm70kye9vg","event_type":"EXECUTIVE_APPOINTED","effective_at":"2026-02-20","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:william-j-shaw","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:19"],"evidence_ids":["alpha:projection-evidence:document:b04dd3033c47f753c57bc54b6d3e98a6497f95d554096b760945f16308a114c1"],"summary":"William J. Shaw executive of BOYD GAMING CORP, effective 2026-02-20.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:f91o8652ysnu","event_type":"DIRECTOR_APPOINTED","effective_at":"2024-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:michael-hartmeier","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:10"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"Michael Hartmeier seat on BOYD GAMING CORP, effective 2024-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:7ndbk2y8mxmi","event_type":"COMMITTEE_CREATED","effective_at":"2024-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:committee:boyd-gaming-corp:audit-compensation","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:10"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"Audit; Compensation committee of BOYD GAMING CORP, effective 2024-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:pbfo9xyh59d","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"2024-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:michael-hartmeier","alpha:committee:boyd-gaming-corp:audit-compensation"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:10"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"Michael Hartmeier member of Audit; Compensation, effective 2024-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:15jytcw1cewi0","event_type":"DIRECTOR_APPOINTED","effective_at":"2019-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:a-randall-thoman","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:5"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"A. Randall Thoman seat on BOYD GAMING CORP, effective 2019-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:vg7xos17ma22g","event_type":"COMMITTEE_CREATED","effective_at":"2019-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:committee:boyd-gaming-corp:audit-chair","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:5"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"Audit · Chair committee of BOYD GAMING CORP, effective 2019-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:eufxy417tdyci","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"2019-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:a-randall-thoman","alpha:committee:boyd-gaming-corp:audit-chair"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:5"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"A. Randall Thoman member of Audit · Chair, effective 2019-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:3s2p9c7q0h2a","event_type":"DIRECTOR_APPOINTED","effective_at":"2015-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:john-bailey","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:7"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"John Bailey seat on BOYD GAMING CORP, effective 2015-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:c01dt1o7p0q1","event_type":"DIRECTOR_APPOINTED","effective_at":"2015-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:paul-whetsell","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:11"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"Paul Whetsell seat on BOYD GAMING CORP, effective 2015-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:9zdumn1mjll7p","event_type":"COMMITTEE_CREATED","effective_at":"2015-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:committee:boyd-gaming-corp:compensation-chair-nominating-and-governance","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:11"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"Compensation · Chair; Nominating and Governance committee of BOYD GAMING CORP, effective 2015-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:9x6lu8dvhg3s","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"2015-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:paul-whetsell","alpha:committee:boyd-gaming-corp:compensation-chair-nominating-and-governance"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:11"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"Paul Whetsell member of Compensation · Chair; Nominating and Governance, effective 2015-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1j4lbbihvp10m","event_type":"COMMITTEE_CREATED","effective_at":"2015-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:committee:boyd-gaming-corp:compensation-nominating-and-governance","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:7"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"Compensation; Nominating and Governance committee of BOYD GAMING CORP, effective 2015-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:105jcjt1rkl0rj","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"2015-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:john-bailey","alpha:committee:boyd-gaming-corp:compensation-nominating-and-governance"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:7"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"John Bailey member of Compensation; Nominating and Governance, effective 2015-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:7ll27m1txxlq2","event_type":"DIRECTOR_APPOINTED","effective_at":"2009-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:christine-spadafor","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:6"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"Christine Spadafor seat on BOYD GAMING CORP, effective 2009-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:9yht8q1fewc3e","event_type":"COMMITTEE_CREATED","effective_at":"2009-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:committee:boyd-gaming-corp:audit-nominating-and-governance-chair","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:6"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"Audit; Nominating and Governance · Chair committee of BOYD GAMING CORP, effective 2009-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:hkkhlg12i3x8u","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"2009-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:christine-spadafor","alpha:committee:boyd-gaming-corp:audit-nominating-and-governance-chair"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:6"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"Christine Spadafor member of Audit; Nominating and Governance · Chair, effective 2009-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1lkfnti4yb8vo","event_type":"DIRECTOR_APPOINTED","effective_at":"2005-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:keith-smith","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:8"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"Keith Smith seat on BOYD GAMING CORP, effective 2005-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:6stgyvaq60qf","event_type":"DIRECTOR_APPOINTED","effective_at":"1992-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:william-r-boyd","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:12"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"William R. Boyd seat on BOYD GAMING CORP, effective 1992-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1sktucb1r7pe0v","event_type":"COMMITTEE_CREATED","effective_at":"1992-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:committee:boyd-gaming-corp:risk-chair","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:12"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"Risk · Chair committee of BOYD GAMING CORP, effective 1992-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:4bvsln1cbx6an","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"1992-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:william-r-boyd","alpha:committee:boyd-gaming-corp:risk-chair"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:12"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"William R. Boyd member of Risk · Chair, effective 1992-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:15m25ad1xnjqnn","event_type":"DIRECTOR_APPOINTED","effective_at":"1990-01-01","detected_at":"2026-10-15T04:45:42.419704+00:00","subject_ids":["alpha:person:marianne-boyd-johnson","alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50"],"caused_claim_ids":["alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:9"],"evidence_ids":["alpha:projection-evidence:document:289f0c7f2a39d5b44d18c693d766c0cd0c9d615db90b9c8185125f75b1e2b9c6"],"summary":"Marianne Boyd Johnson seat on BOYD GAMING CORP, effective 1990-01-01.","derivation":"temporal_relationship_change"}]},"claims":[{"id":"alpha:claim:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50:leadership_role:5","subject_id":"alpha:company:333cf0bf-59e9-4f5d-943b-ac5f44071e50","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:a-randall-thoman","object_label":"A. Randall Thoman","object_source_name_forms":[],"value":"A. Randall Thoman: Director, Audit · 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:a-randall-thoman","name":"A. 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