secwatch.observer — SEC 8-K summary
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Issuer:     TransMedics Group, Inc. (TMDX)
CIK:        0001756262
Form:       8-K
Filed at:   2026-01-12T23:59:59+00:00
Accession:  0001193125-26-009816
Event type: other_material
Sentiment:  neutral
Materiality: 0.60
Item codes: 1.01, 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

TransMedics signs 498,286 sq ft HQ lease in Somerville, MA; buys two adjacent parcels for $30M
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- 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.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1756262/000119312526009816/0001193125-26-009816-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1756262/000119312526009816/d25695d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-009816

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