{"schema_version":"alpha-governance-record-v2","alpha_id":"alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce","ontology_version":"alpha-governance-ontology-v1","as_of":"2026-10-20T04:06:41.25143+00:00","published_at":"2026-10-19T14:43:55.136812+00:00","section":"events","data":{"state":"PUBLISHED","derivation_version":"alpha-governance-event-derivation-v2","events":[{"event_id":"alpha:event:transition:1i4cdf03clozy","event_type":"DIRECTOR_APPOINTED","effective_at":"2026-03-13","detected_at":"2026-10-19T14:43:55.136812+00:00","subject_ids":["alpha:person:alisa-belew-wabc","alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8"],"caused_claim_ids":["alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:6"],"evidence_ids":["alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3"],"summary":"Alisa Belew seat on WESTAMERICA BANCORPORATION, effective 2026-03-13.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1oyp17617j77mw","event_type":"DIRECTOR_APPOINTED","effective_at":"2026-03-13","detected_at":"2026-10-19T14:43:55.136812+00:00","subject_ids":["alpha:person:e-joseph-bowler-wabc","alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8"],"caused_claim_ids":["alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:8"],"evidence_ids":["alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3"],"summary":"E. Joseph Bowler seat on WESTAMERICA BANCORPORATION, effective 2026-03-13.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1ga5oq5bxrhwd","event_type":"DIRECTOR_APPOINTED","effective_at":"2026-03-13","detected_at":"2026-10-19T14:43:55.136812+00:00","subject_ids":["alpha:person:edward-b-sylvester-wabc","alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8"],"caused_claim_ids":["alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:9"],"evidence_ids":["alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3"],"summary":"Edward B. Sylvester seat on WESTAMERICA BANCORPORATION, effective 2026-03-13.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1ubgwfvbmijxd","event_type":"DIRECTOR_APPOINTED","effective_at":"2026-03-13","detected_at":"2026-10-19T14:43:55.136812+00:00","subject_ids":["alpha:person:inez-wondeh-wabc","alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8"],"caused_claim_ids":["alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:10"],"evidence_ids":["alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3"],"summary":"Inez Wondeh seat on WESTAMERICA BANCORPORATION, effective 2026-03-13.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:c5yzp91ms2at7","event_type":"DIRECTOR_APPOINTED","effective_at":"2026-03-13","detected_at":"2026-10-19T14:43:55.136812+00:00","subject_ids":["alpha:person:martin-camsey-wabc","alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8"],"caused_claim_ids":["alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:12"],"evidence_ids":["alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3"],"summary":"Martin Camsey seat on WESTAMERICA BANCORPORATION, effective 2026-03-13.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:pst9yn1tt4g2l","event_type":"DIRECTOR_APPOINTED","effective_at":"2026-03-13","detected_at":"2026-10-19T14:43:55.136812+00:00","subject_ids":["alpha:person:melanie-martella-chiesa-wabc","alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8"],"caused_claim_ids":["alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:14"],"evidence_ids":["alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3"],"summary":"Melanie Martella Chiesa seat on WESTAMERICA BANCORPORATION, effective 2026-03-13.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:19znov8140c3pk","event_type":"DIRECTOR_APPOINTED","effective_at":"2026-03-13","detected_at":"2026-10-19T14:43:55.136812+00:00","subject_ids":["alpha:person:michele-hassid-wabc","alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8"],"caused_claim_ids":["alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:15"],"evidence_ids":["alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3"],"summary":"Michele Hassid seat on WESTAMERICA BANCORPORATION, effective 2026-03-13.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1rtzsbm1w81c1w","event_type":"DIRECTOR_APPOINTED","effective_at":"2023-01-01","detected_at":"2026-10-19T14:43:55.136812+00:00","subject_ids":["alpha:person:insider-trading-wabc","alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8"],"caused_claim_ids":["alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:11"],"evidence_ids":["alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3"],"summary":"Insider Trading seat on WESTAMERICA BANCORPORATION, effective 2023-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1p466lz1x7puzn","event_type":"DIRECTOR_APPOINTED","effective_at":"2019-01-01","detected_at":"2026-10-19T14:43:55.136812+00:00","subject_ids":["alpha:person:martin-melanie-michele-wabc","alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8"],"caused_claim_ids":["alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:13"],"evidence_ids":["alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3"],"summary":"Martin Melanie Michele seat on WESTAMERICA BANCORPORATION, effective 2019-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1gseji6d3xhtg","event_type":"DIRECTOR_APPOINTED","effective_at":"1984-01-01","detected_at":"2026-10-19T14:43:55.136812+00:00","subject_ids":["alpha:person:san-francisco-wabc","alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8"],"caused_claim_ids":["alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:16"],"evidence_ids":["alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3"],"summary":"San Francisco seat on WESTAMERICA BANCORPORATION, effective 1984-01-01.","derivation":"temporal_relationship_change"}]},"claims":[{"id":"alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:6","subject_id":"alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:alisa-belew-wabc","object_label":"Alisa Belew","object_source_name_forms":[],"value":"Alisa Belew: 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:alisa-belew-wabc","name":"Alisa Belew"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-03-13","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2026-03-13","valid_to":null,"recorded_at":"2026-10-19T14:43:55.136812+00:00","sources":[{"id":"alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"DEF 14A wabc-20260313.htm","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/311094/000117494726000355/wabc-20260313.htm","source_date":"2026-03-13T00:00:00+00:00","retrieved_at":"2026-09-02T02:10:15.218897+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":"2026-03-13T00:00:00+00:00","effective_from":"2026-03-13","effective_until":null,"observed_at":"2026-10-19T14:43:55.136812+00:00","reviewed_at":"2026-10-19T14:43:55.136812+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.88,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:8","subject_id":"alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:e-joseph-bowler-wabc","object_label":"E. Joseph Bowler","object_source_name_forms":[],"value":"E. Joseph Bowler: 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:e-joseph-bowler-wabc","name":"E. Joseph Bowler"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-03-13","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2026-03-13","valid_to":null,"recorded_at":"2026-10-19T14:43:55.136812+00:00","sources":[{"id":"alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"DEF 14A wabc-20260313.htm","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/311094/000117494726000355/wabc-20260313.htm","source_date":"2026-03-13T00:00:00+00:00","retrieved_at":"2026-09-02T02:10:15.218897+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":"2026-03-13T00:00:00+00:00","effective_from":"2026-03-13","effective_until":null,"observed_at":"2026-10-19T14:43:55.136812+00:00","reviewed_at":"2026-10-19T14:43:55.136812+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.88,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:9","subject_id":"alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:edward-b-sylvester-wabc","object_label":"Edward B. Sylvester","object_source_name_forms":[],"value":"Edward B. Sylvester: 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:edward-b-sylvester-wabc","name":"Edward B. Sylvester"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-03-13","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2026-03-13","valid_to":null,"recorded_at":"2026-10-19T14:43:55.136812+00:00","sources":[{"id":"alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"DEF 14A wabc-20260313.htm","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/311094/000117494726000355/wabc-20260313.htm","source_date":"2026-03-13T00:00:00+00:00","retrieved_at":"2026-09-02T02:10:15.218897+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":"2026-03-13T00:00:00+00:00","effective_from":"2026-03-13","effective_until":null,"observed_at":"2026-10-19T14:43:55.136812+00:00","reviewed_at":"2026-10-19T14:43:55.136812+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.88,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:10","subject_id":"alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:inez-wondeh-wabc","object_label":"Inez Wondeh","object_source_name_forms":[],"value":"Inez Wondeh: 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:inez-wondeh-wabc","name":"Inez Wondeh"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-03-13","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2026-03-13","valid_to":null,"recorded_at":"2026-10-19T14:43:55.136812+00:00","sources":[{"id":"alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"DEF 14A wabc-20260313.htm","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/311094/000117494726000355/wabc-20260313.htm","source_date":"2026-03-13T00:00:00+00:00","retrieved_at":"2026-09-02T02:10:15.218897+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":"2026-03-13T00:00:00+00:00","effective_from":"2026-03-13","effective_until":null,"observed_at":"2026-10-19T14:43:55.136812+00:00","reviewed_at":"2026-10-19T14:43:55.136812+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.88,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:11","subject_id":"alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:insider-trading-wabc","object_label":"Insider Trading","object_source_name_forms":[],"value":"Insider Trading: 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:insider-trading-wabc","name":"Insider Trading"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":null,"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":"2026-10-19T14:43:55.136812+00:00","sources":[{"id":"alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"DEF 14A wabc-20260313.htm","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/311094/000117494726000355/wabc-20260313.htm","source_date":"2026-03-13T00:00:00+00:00","retrieved_at":"2026-09-02T02:10:15.218897+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":"2026-03-13T00:00:00+00:00","effective_from":"2023-01-01","effective_until":null,"observed_at":"2026-10-19T14:43:55.136812+00:00","reviewed_at":"2026-10-19T14:43:55.136812+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.88,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:12","subject_id":"alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:martin-camsey-wabc","object_label":"Martin Camsey","object_source_name_forms":[],"value":"Martin Camsey: 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:martin-camsey-wabc","name":"Martin Camsey"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-03-13","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2026-03-13","valid_to":null,"recorded_at":"2026-10-19T14:43:55.136812+00:00","sources":[{"id":"alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"DEF 14A wabc-20260313.htm","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/311094/000117494726000355/wabc-20260313.htm","source_date":"2026-03-13T00:00:00+00:00","retrieved_at":"2026-09-02T02:10:15.218897+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":"2026-03-13T00:00:00+00:00","effective_from":"2026-03-13","effective_until":null,"observed_at":"2026-10-19T14:43:55.136812+00:00","reviewed_at":"2026-10-19T14:43:55.136812+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.88,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:13","subject_id":"alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:martin-melanie-michele-wabc","object_label":"Martin Melanie Michele","object_source_name_forms":[],"value":"Martin Melanie Michele: 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:martin-melanie-michele-wabc","name":"Martin Melanie Michele"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2019-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2019-01-01","valid_to":null,"recorded_at":"2026-10-19T14:43:55.136812+00:00","sources":[{"id":"alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"DEF 14A wabc-20260313.htm","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/311094/000117494726000355/wabc-20260313.htm","source_date":"2026-03-13T00:00:00+00:00","retrieved_at":"2026-09-02T02:10:15.218897+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":"2026-03-13T00:00:00+00:00","effective_from":"2019-01-01","effective_until":null,"observed_at":"2026-10-19T14:43:55.136812+00:00","reviewed_at":"2026-10-19T14:43:55.136812+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.88,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:14","subject_id":"alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:melanie-martella-chiesa-wabc","object_label":"Melanie Martella Chiesa","object_source_name_forms":[],"value":"Melanie Martella Chiesa: 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:melanie-martella-chiesa-wabc","name":"Melanie Martella Chiesa"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-03-13","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2026-03-13","valid_to":null,"recorded_at":"2026-10-19T14:43:55.136812+00:00","sources":[{"id":"alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"DEF 14A wabc-20260313.htm","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/311094/000117494726000355/wabc-20260313.htm","source_date":"2026-03-13T00:00:00+00:00","retrieved_at":"2026-09-02T02:10:15.218897+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":"2026-03-13T00:00:00+00:00","effective_from":"2026-03-13","effective_until":null,"observed_at":"2026-10-19T14:43:55.136812+00:00","reviewed_at":"2026-10-19T14:43:55.136812+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.88,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:15","subject_id":"alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:michele-hassid-wabc","object_label":"Michele Hassid","object_source_name_forms":[],"value":"Michele Hassid: 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:michele-hassid-wabc","name":"Michele Hassid"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"2026-03-13","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2026-03-13","valid_to":null,"recorded_at":"2026-10-19T14:43:55.136812+00:00","sources":[{"id":"alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"DEF 14A wabc-20260313.htm","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/311094/000117494726000355/wabc-20260313.htm","source_date":"2026-03-13T00:00:00+00:00","retrieved_at":"2026-09-02T02:10:15.218897+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":"2026-03-13T00:00:00+00:00","effective_from":"2026-03-13","effective_until":null,"observed_at":"2026-10-19T14:43:55.136812+00:00","reviewed_at":"2026-10-19T14:43:55.136812+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.88,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8:leadership_role:16","subject_id":"alpha:company:20a1046c-67cf-4b1f-8a29-bc447f4d26b8","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:san-francisco-wabc","object_label":"San Francisco","object_source_name_forms":[],"value":"San Francisco: 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:san-francisco-wabc","name":"San Francisco"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":null,"start_date":"1984-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"1984-01-01","valid_to":null,"recorded_at":"2026-10-19T14:43:55.136812+00:00","sources":[{"id":"alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"DEF 14A wabc-20260313.htm","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/311094/000117494726000355/wabc-20260313.htm","source_date":"2026-03-13T00:00:00+00:00","retrieved_at":"2026-09-02T02:10:15.218897+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":"2026-03-13T00:00:00+00:00","effective_from":"1984-01-01","effective_until":null,"observed_at":"2026-10-19T14:43:55.136812+00:00","reviewed_at":"2026-10-19T14:43:55.136812+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.88,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"}],"evidence":[{"id":"alpha:projection-evidence:document:0dc122c6fe61a9bfe3ab254ebbda88f3a492025b96c65af71b1682cae6d27df3","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"DEF 14A wabc-20260313.htm","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/311094/000117494726000355/wabc-20260313.htm","source_date":"2026-03-13T00:00:00+00:00","retrieved_at":"2026-09-02T02:10:15.218897+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"}}],"coverage_state":"PUBLISHED","quality":{"schema_version":"alpha-record-quality-v2","overall":0.83,"status":"strong","publication_readiness":"ready","dimensions":{"identity":1,"coverage":0.5,"freshness":1,"evidence_completeness":1,"source_authority":0.938,"cross_source_agreement":0.75,"temporal_completeness":0.294},"diagnostics":{"published_claims":42,"factual_claims":42,"claims_with_linked_evidence":42,"disputed_claims":0,"conflicts":0,"stale_claims":0,"stale_claim_ids":[],"temporal_claims":34,"temporal_claims_with_valid_from":10,"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":"2026-10-19T14:43:55.136812+00:00","observed_at":"2026-10-19T14:43:55.136812+00:00","reviewed_at":"2026-10-19T14:43:55.136812+00:00","verified_at":"2026-10-19T14:43:55.136812+00:00"},"verification":{"schema_version":"alpha-verification-states-v1","state":"source_reported","identity_ownership":"unclaimed","assurance_level":null,"claim_state_counts":{"source_reported":42,"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/westamerica-bancorporation/events","section":"events","href":"https://registry.alpha.ac/api/public/companies/westamerica-bancorporation?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."]}