{"schema_version":"secwatch.filing_event.v1","accession":"0001408198-23-000047","form_type":"8-K","ticker":"MSCI","cik":"0001408198","company_name":"MSCI Inc.","filed_at":"2023-08-24T23:59:59+00:00","discovered_at":"2026-05-14T18:03:33.821046+00:00","generated_at":"2026-06-11T04:04:17.814188+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"MSCI controller Jennifer H. Mak resigns; CFO Wiechmann assumes interim principal accounting officer role","bullets":["Jennifer H. Mak notified MSCI on August 18, 2023 of her resignation as Global Controller and principal accounting officer.","Resignation is not due to any disagreement with the Company regarding financial statements, internal controls, or policies.","Mak will remain with MSCI through September 7, 2023 to facilitate transition.","CFO Andrew C. Wiechmann will serve as interim principal accounting officer effective August 24, 2023.","No new compensatory arrangements for Mr. Wiechmann in connection with the interim role."],"urls":{"canonical":"https://secwatch.observer/filing/0001408198-23-000047","json":"https://secwatch.observer/filing/0001408198-23-000047.json","markdown":"https://secwatch.observer/filing/0001408198-23-000047.md","text":"https://secwatch.observer/filing/0001408198-23-000047.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1408198/000140819823000047/0001408198-23-000047-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1408198/000140819823000047/msci-20230818.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-11T04:04:17.814188+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":"7e80c03bf5","claim":"Jennifer H. Mak resigned as Global Controller, Head of Finance Operations and principal accounting officer at MSCI Inc..","evidence_excerpt":"On August 18, 2023, Jennifer H. Mak informed MSCI Inc. (“MSCI” or the “Company”) of her intention to resign as Global Controller, Head of Finance Operations and principal accounting officer of the Company, to pursue another opportunity.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1408198/000140819823000047/0001408198-23-000047-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Global Controller, Head of Finance Operations and principal accounting officer"}],"fact_type":"executive_change"},{"claim_id":"a5db8d7c84","claim":"Andrew C. Wiechmann was appointed as interim principal accounting officer at MSCI Inc..","evidence_excerpt":"In connection with Ms. Mak’s resignation, Andrew C. Wiechmann, the Company’s Chief Financial Officer, will assume the responsibilities of principal accounting officer on an interim basis, effective August 24, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1408198/000140819823000047/0001408198-23-000047-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"interim principal accounting officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}