{"schema_version":"secwatch.filing_event.v1","accession":"0001125345-22-000111","form_type":"8-K","ticker":"MGNX","cik":"0001125345","company_name":"MACROGENICS INC","filed_at":"2022-12-16T23:59:59+00:00","discovered_at":"2026-05-14T18:03:49.680144+00:00","generated_at":"2026-06-21T03:08:56.841889+00:00","sec_items":["1.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"MacroGenics extends office lease to 2035, with options to 2045","bullets":["Amended lease for 122,600 sq ft at Rockville, MD headquarters; term now ends Dec 31, 2035.","Base rent starts at $46.37/sq ft, escalating 3% annually; two 5-year extension options to 2045.","Landlord grants 50% rent abatement for first 24 months of the modified term.","Lease originally ran to Aug 2027; amendment executed Dec 14, 2022."],"urls":{"canonical":"https://secwatch.observer/filing/0001125345-22-000111","json":"https://secwatch.observer/filing/0001125345-22-000111.json","markdown":"https://secwatch.observer/filing/0001125345-22-000111.md","text":"https://secwatch.observer/filing/0001125345-22-000111.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1125345/000112534522000111/0001125345-22-000111-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1125345/000112534522000111/mgnx-20221214.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T03:08:56.841889+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":"34a572d67b02269c6a9f1d56b07e7268c95f433e","claim":"MACROGENICS INC amended Fifth Amendment with ARE-Maryland No. 45, LLC (effective 2022-12-14).","evidence_excerpt":"On December 14 , 2022 (the “Execution Date”) MacroGenics, Inc. (the “Company”) entered into a Fifth Amendment (the “Amendment”) to its existing lease agreement (the “Lease”) with ARE-Maryland No. 45, LLC (the “Landlord”), for 122,600 square feet located at 9704 Medical Center Drive in Rockville, Maryland (the “Premises”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1125345/000112534522000111/0001125345-22-000111-index.htm","confidence":1.0,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Agreement","value":"lease"},{"label":"Counterparty","value":"ARE-Maryland No. 45, LLC"},{"label":"Effective","value":"2022-12-14"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}