{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-100523","form_type":"8-K","ticker":"MX","cik":"0001325702","company_name":"MAGNACHIP SEMICONDUCTOR Corp","filed_at":"2023-04-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:38.386242+00:00","generated_at":"2026-06-17T02:25:03.607254+00:00","sec_items":["1.01","8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Magnachip to appoint shareholder Gilbert Nathan to Board of Directors under agreement","bullets":["Gilbert Nathan will join as board observer immediately, then as director after 2023 Annual Meeting.","Board size will increase to seven directors upon Nathan's appointment.","Stockholders agree to vote for company nominees at 2023 Annual Meeting and observe standstill.","Nathan will serve on the ad hoc Strategic Review Committee of the Board."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-100523","json":"https://secwatch.observer/filing/0001193125-23-100523.json","markdown":"https://secwatch.observer/filing/0001193125-23-100523.md","text":"https://secwatch.observer/filing/0001193125-23-100523.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1325702/000119312523100523/0001193125-23-100523-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1325702/000119312523100523/d482271d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T02:25:03.607254+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"f0e6bfd2052eecafa431326c9cc7c10693245098","claim":"MAGNACHIP SEMICONDUCTOR Corp entered into Agreement with Jackson Square Advisors LLC, GT Investments II Corp and Gilbert Nathan (collectively, the Stockholders) (effective 2023-04-11).","evidence_excerpt":"On April 11, 2023, Magnachip Semiconductor Corporation (the “Company”) entered into an Agreement (the “Agreement”) with Jackson Square Advisors LLC (“Jackson”), GT Investments II Corp (“GTI”) and Gilbert Nathan (in his capacity as a stockholder of the Company and together with Jackson and GTI, collectively, the “Stockholders”)","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1325702/000119312523100523/0001193125-23-100523-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Counterparty","value":"Jackson Square Advisors LLC, GT Investments II Corp and Gilbert Nathan (collectively, the Stockholders)"},{"label":"Effective","value":"2023-04-11"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}