Cogent Biosciences signs 7yr10mo lease for new Waltham HQ at $32/sq ft

Cogent Biosciences, Inc.

Leases 31,518 sq ft at 180 Third Avenue, Waltham, MA as new corporate headquarters, replacing existing HQ.
Term of 7 years 10 months starting expected May 2026; initial rent $32/sq ft with $1/sq ft annual increases.
Rent abatement for first 5 months; security deposit of ~$336,000 via letter of credit.
One option to extend lease for an additional 5 years.
Landlord performing turnkey buildout; no material tenant improvement costs for Cogent.

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