{"schema_version":"secwatch.filing_event.v1","accession":"0001125345-21-000107","form_type":"8-K","ticker":"MGNX","cik":"0001125345","company_name":"MACROGENICS INC","filed_at":"2021-09-27T23:59:59+00:00","discovered_at":"2026-05-14T18:04:17.220190+00:00","generated_at":"2026-06-29T01:12:04.444088+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"MacroGenics board chair Paulo Costa to not stand for reelection at 2022 annual meeting","bullets":["Paulo Costa notified Board he will not stand for reelection at the 2022 annual meeting.","Costa currently serves as Chair of the Board and Chair of the Nominating and Governance Committee.","He will remain in his current roles until the conclusion of the 2022 annual meeting.","Costa's decision is for personal reasons and not due to any disagreement with the Company.","Costa has served on the Board since June 2009."],"urls":{"canonical":"https://secwatch.observer/filing/0001125345-21-000107","json":"https://secwatch.observer/filing/0001125345-21-000107.json","markdown":"https://secwatch.observer/filing/0001125345-21-000107.md","text":"https://secwatch.observer/filing/0001125345-21-000107.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1125345/000112534521000107/0001125345-21-000107-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1125345/000112534521000107/mgnx-20210923.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T01:12:04.444088+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":"2e62822976","claim":"Paulo Costa departed as Chair of the Board at MACROGENICS INC.","evidence_excerpt":"On September 23, 2021, Mr. Paulo Costa, a member of the board of directors (the “Board”) of MacroGenics, Inc. (the “Company”), notified the Board that he will not stand for reelection as a director of the Company upon expiration of his current term.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1125345/000112534521000107/0001125345-21-000107-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"not stand for reelection"},{"label":"Role","value":"Chair of the Board"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}