{"schema_version":"alpha-governance-record-v2","alpha_id":"alpha:company:f9e9278c-2b4c-4671-a578-9030cdd86af3","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce","ontology_version":"alpha-governance-ontology-v1","as_of":"2026-10-16T10:46:39.497111+00:00","published_at":"2026-10-16T04:48:50.713249+00:00","section":"events","data":{"state":"PUBLISHED","derivation_version":"alpha-governance-event-derivation-v2","events":[{"event_id":"alpha:event:transition:1n6v0q9zk9bo1","event_type":"CFO_CHANGED","effective_at":"2026-02-27","detected_at":"2026-10-16T04:48:50.713249+00:00","subject_ids":["alpha:person:bernie-blegen-mpwr","alpha:company:f9e9278c-2b4c-4671-a578-9030cdd86af3"],"caused_claim_ids":["alpha:claim:company:f9e9278c-2b4c-4671-a578-9030cdd86af3:leadership_role:16"],"evidence_ids":["alpha:projection-evidence:document:723575b4358e9b80e533b4cfde1fdf6147e9723f929de2845e0133bbd975b6ff"],"summary":"Bernie Blegen executive of MONOLITHIC POWER 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2026-02-27.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1q4utkl16jckdv","event_type":"EXECUTIVE_APPOINTED","effective_at":"2026-02-27","detected_at":"2026-10-16T04:48:50.713249+00:00","subject_ids":["alpha:person:maurice-sciammas-mpwr","alpha:company:f9e9278c-2b4c-4671-a578-9030cdd86af3"],"caused_claim_ids":["alpha:claim:company:f9e9278c-2b4c-4671-a578-9030cdd86af3:leadership_role:18"],"evidence_ids":["alpha:projection-evidence:document:b8958456cfcebefb3e3d18dfd585353acc308300ebc74e30a91dfd2b84d35792"],"summary":"Maurice Sciammas executive of MONOLITHIC POWER SYSTEMS INC, effective 2026-02-27.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:7n7eriztf7ty","event_type":"CEO_CHANGED","effective_at":"2026-02-27","detected_at":"2026-10-16T04:48:50.713249+00:00","subject_ids":["alpha:person:michael-hsing","alpha:company:f9e9278c-2b4c-4671-a578-9030cdd86af3"],"caused_claim_ids":["alpha:claim:company:f9e9278c-2b4c-4671-a578-9030cdd86af3:leadership_role:19"],"evidence_ids":["alpha:projection-evidence:document:63096657fb09d933f265b95274b1892c69e4dac63fb7f662a0a6039cc7be31a7"],"summary":"Michael Hsing executive of MONOLITHIC POWER SYSTEMS INC, effective 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2021-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:f06aq19viqnq","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"2021-01-01","detected_at":"2026-10-16T04:48:50.713249+00:00","subject_ids":["alpha:person:carintia-martinez","alpha:committee:monolithic-power-systems-inc:ncg-nominating-and-governance-chair"],"caused_claim_ids":["alpha:claim:company:f9e9278c-2b4c-4671-a578-9030cdd86af3:leadership_role:10"],"evidence_ids":["alpha:projection-evidence:document:5ec4b4be59b25e22310ec4685de93eb649d3f608aaf5f1344f39e29ff3032402"],"summary":"Carolina Martinez member of NCG; Nominating and Governance · Chair, effective 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2012-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:lunuta1w351fu","event_type":"COMMITTEE_CREATED","effective_at":"2012-01-01","detected_at":"2026-10-16T04:48:50.713249+00:00","subject_ids":["alpha:committee:monolithic-power-systems-inc:compensation-chair-ncg-nominating-and-governance","alpha:company:f9e9278c-2b4c-4671-a578-9030cdd86af3"],"caused_claim_ids":["alpha:claim:company:f9e9278c-2b4c-4671-a578-9030cdd86af3:leadership_role:12"],"evidence_ids":["alpha:projection-evidence:document:5ec4b4be59b25e22310ec4685de93eb649d3f608aaf5f1344f39e29ff3032402"],"summary":"Compensation · Chair; NCG; Nominating and Governance committee of MONOLITHIC POWER SYSTEMS INC, effective 2012-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:10kfcfxc93m05","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"2012-01-01","detected_at":"2026-10-16T04:48:50.713249+00:00","subject_ids":["alpha:person:eugen-elmiger","alpha:committee:monolithic-power-systems-inc:compensation-chair-ncg-nominating-and-governance"],"caused_claim_ids":["alpha:claim:company:f9e9278c-2b4c-4671-a578-9030cdd86af3:leadership_role:12"],"evidence_ids":["alpha:projection-evidence:document:5ec4b4be59b25e22310ec4685de93eb649d3f608aaf5f1344f39e29ff3032402"],"summary":"Eugen Elmiger member of Compensation · Chair; NCG; Nominating and Governance, effective 2012-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1fjtllip7p22m","event_type":"DIRECTOR_APPOINTED","effective_at":"2010-01-01","detected_at":"2026-10-16T04:48:50.713249+00:00","subject_ids":["alpha:person:jeff-zhou","alpha:company:f9e9278c-2b4c-4671-a578-9030cdd86af3"],"caused_claim_ids":["alpha:claim:company:f9e9278c-2b4c-4671-a578-9030cdd86af3:leadership_role:14"],"evidence_ids":["alpha:projection-evidence:document:5ec4b4be59b25e22310ec4685de93eb649d3f608aaf5f1344f39e29ff3032402"],"summary":"Jianbo Zhou seat on MONOLITHIC POWER SYSTEMS INC, effective 2010-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:pf2k9o149ycfg","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"2010-01-01","detected_at":"2026-10-16T04:48:50.713249+00:00","subject_ids":["alpha:person:jeff-zhou","alpha:committee:monolithic-power-systems-inc:audit-compensation"],"caused_claim_ids":["alpha:claim:company:f9e9278c-2b4c-4671-a578-9030cdd86af3:leadership_role:14"],"evidence_ids":["alpha:projection-evidence:document:5ec4b4be59b25e22310ec4685de93eb649d3f608aaf5f1344f39e29ff3032402"],"summary":"Jianbo Zhou member of Audit; Compensation, effective 2010-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:y5unw29jt6y4","event_type":"DIRECTOR_APPOINTED","effective_at":"2006-01-01","detected_at":"2026-10-16T04:48:50.713249+00:00","subject_ids":["alpha:person:victor-k-lee","alpha:company:f9e9278c-2b4c-4671-a578-9030cdd86af3"],"caused_claim_ids":["alpha:claim:company:f9e9278c-2b4c-4671-a578-9030cdd86af3:leadership_role:15"],"evidence_ids":["alpha:projection-evidence:document:5ec4b4be59b25e22310ec4685de93eb649d3f608aaf5f1344f39e29ff3032402"],"summary":"Vivian S. Lee seat on MONOLITHIC POWER SYSTEMS INC, effective 2006-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1c6uctg8sz3mm","event_type":"DIRECTOR_APPOINTED","effective_at":"1999-01-01","detected_at":"2026-10-16T04:48:50.713249+00:00","subject_ids":["alpha:person:herbert-chang","alpha:company:f9e9278c-2b4c-4671-a578-9030cdd86af3"],"caused_claim_ids":["alpha:claim:company:f9e9278c-2b4c-4671-a578-9030cdd86af3:leadership_role:13"],"evidence_ids":["alpha:projection-evidence:document:5ec4b4be59b25e22310ec4685de93eb649d3f608aaf5f1344f39e29ff3032402"],"summary":"Herbert Chang seat on MONOLITHIC POWER SYSTEMS INC, effective 1999-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:pwkwocgrx6ae","event_type":"LEAD_DIRECTOR_CHANGED","effective_at":"1999-01-01","detected_at":"2026-10-16T04:48:50.713249+00:00","subject_ids":["alpha:person:herbert-chang","alpha:company:f9e9278c-2b4c-4671-a578-9030cdd86af3"],"caused_claim_ids":["alpha:claim:company:f9e9278c-2b4c-4671-a578-9030cdd86af3:leadership_role:13"],"evidence_ids":["alpha:projection-evidence:document:5ec4b4be59b25e22310ec4685de93eb649d3f608aaf5f1344f39e29ff3032402"],"summary":"Herbert Chang lead independent director of MONOLITHIC POWER SYSTEMS INC, effective 1999-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:17tb8noomoeh2","event_type":"COMMITTEE_CREATED","effective_at":"1999-01-01","detected_at":"2026-10-16T04:48:50.713249+00:00","subject_ids":["alpha:committee:monolithic-power-systems-inc:audit-compensation","alpha:company:f9e9278c-2b4c-4671-a578-9030cdd86af3"],"caused_claim_ids":["alpha:claim:company:f9e9278c-2b4c-4671-a578-9030cdd86af3:leadership_role:13"],"evidence_ids":["alpha:projection-evidence:document:5ec4b4be59b25e22310ec4685de93eb649d3f608aaf5f1344f39e29ff3032402"],"summary":"Audit; Compensation committee of MONOLITHIC POWER SYSTEMS INC, effective 1999-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:h69td218nf2u4","event_type":"COMMITTEE_MEMBER_ADDED","effective_at":"1999-01-01","detected_at":"2026-10-16T04:48:50.713249+00:00","subject_ids":["alpha:person:herbert-chang","alpha:committee:monolithic-power-systems-inc:audit-compensation"],"caused_claim_ids":["alpha:claim:company:f9e9278c-2b4c-4671-a578-9030cdd86af3:leadership_role:13"],"evidence_ids":["alpha:projection-evidence:document:5ec4b4be59b25e22310ec4685de93eb649d3f608aaf5f1344f39e29ff3032402"],"summary":"Herbert Chang member of Audit; Compensation, effective 1999-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:6ta6yz6c2ho7","event_type":"DIRECTOR_APPOINTED","effective_at":"1997-01-01","detected_at":"2026-10-16T04:48:50.713249+00:00","subject_ids":["alpha:person:michael-hsing","alpha:company:f9e9278c-2b4c-4671-a578-9030cdd86af3"],"caused_claim_ids":["alpha:claim:company:f9e9278c-2b4c-4671-a578-9030cdd86af3:leadership_role:9"],"evidence_ids":["alpha:projection-evidence:document:5ec4b4be59b25e22310ec4685de93eb649d3f608aaf5f1344f39e29ff3032402"],"summary":"Michael Hsing seat on MONOLITHIC POWER SYSTEMS INC, effective 1997-01-01.","derivation":"temporal_relationship_change"},{"event_id":"alpha:event:transition:1pri0mx1hin5v","event_type":"BOARD_CHAIR_CHANGED","effective_at":"1997-01-01","detected_at":"2026-10-16T04:48:50.713249+00:00","subject_ids":["alpha:person:michael-hsing","alpha:company:f9e9278c-2b4c-4671-a578-9030cdd86af3"],"caused_claim_ids":["alpha:claim:company:f9e9278c-2b4c-4671-a578-9030cdd86af3:leadership_role:9"],"evidence_ids":["alpha:projection-evidence:document:5ec4b4be59b25e22310ec4685de93eb649d3f608aaf5f1344f39e29ff3032402"],"summary":"Michael Hsing chairs board MONOLITHIC POWER SYSTEMS INC, effective 1997-01-01.","derivation":"temporal_relationship_change"}]},"claims":[{"id":"alpha:claim:company:f9e9278c-2b4c-4671-a578-9030cdd86af3:leadership_role:9","subject_id":"alpha:company:f9e9278c-2b4c-4671-a578-9030cdd86af3","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:michael-hsing","object_label":"Michael Hsing","object_source_name_forms":[],"value":"Michael Hsing: 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:michael-hsing","name":"Michael Hsing"},"title":"Chair","role_category":"director","committee":null,"is_board_chair":true,"is_independent":false,"start_date":"1997-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"1997-01-01","valid_to":null,"recorded_at":"2026-10-16T04:48:50.713249+00:00","sources":[{"id":"alpha:projection-evidence:document:5ec4b4be59b25e22310ec4685de93eb649d3f608aaf5f1344f39e29ff3032402","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"Monolithic Power Systems, Inc. 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