{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-009816","form_type":"8-K","ticker":"TMDX","cik":"0001756262","company_name":"TransMedics Group, Inc.","filed_at":"2026-01-12T23:59:59+00:00","discovered_at":"2026-05-14T18:02:36.084941+00:00","generated_at":"2026-05-16T10:54:39.398687+00:00","sec_items":["1.01","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"TransMedics signs 498,286 sq ft HQ lease in Somerville, MA; buys two adjacent parcels for $30M","bullets":["Lease for ~498,286 sq ft at 188 Assembly Park Drive, Somerville, MA; initial annual base rent of ~$23.9M with 2% annual escalations.","Initial term of 192 months (16 years) from Rent Commencement Date (no later than Feb 1, 2028); two 10-year renewal options.","Landlord provided $18M letter of credit as security deposit; Tenant responsible for 100% of operating and tax expenses.","Acquired two adjacent parcels for $15M each on Jan 8, 2026; parcels total $30M.","New headquarters expected by Jan 1, 2028, replacing current Andover facility."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-009816","json":"https://secwatch.observer/filing/0001193125-26-009816.json","markdown":"https://secwatch.observer/filing/0001193125-26-009816.md","text":"https://secwatch.observer/filing/0001193125-26-009816.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1756262/000119312526009816/0001193125-26-009816-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1756262/000119312526009816/d25695d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T10:54:39.398687+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":"876453fef24e7b560802d8caf9184d1656c5057c","claim":"TransMedics Group, Inc. entered into Lease with BioMed Realty valued at approximately $23.9 million (effective 2026-01-08).","evidence_excerpt":"On January 8, 2026, TransMedics Group, Inc. (the “Company”) entered into a lease agreement (the “Lease”) with BioMed Realty (the “Landlord”) for the lease of approximately 498,286 square feet of space located at 188 Assembly Park Drive, Somerville, MA 02145 (the “Premises”)","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1756262/000119312526009816/0001193125-26-009816-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"lease"},{"label":"Counterparty","value":"BioMed Realty"},{"label":"Value","value":"approximately $23.9 million"},{"label":"Effective","value":"2026-01-08"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}