---
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"
generated_at: "2026-06-21T03:08:56.841889+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# MacroGenics extends office lease to 2035, with options to 2045

## Summary
- 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.

## SEC filing metadata
- 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
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001125345-22-000111
- JSON: https://secwatch.observer/filing/0001125345-22-000111.json
- Plain text: https://secwatch.observer/filing/0001125345-22-000111.txt

## Key facts
- Material Agreements
  MACROGENICS INC amended Fifth Amendment with ARE-Maryland No. 45, LLC (effective 2022-12-14).
  - Action: amendment
  - Agreement: lease
  - Counterparty: ARE-Maryland No. 45, LLC
  - Effective: 2022-12-14
  source text: 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_url: https://www.sec.gov/Archives/edgar/data/1125345/000112534522000111/0001125345-22-000111-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.