CAMP4 Therapeutics moves to larger Watertown lab; terminates Cambridge lease early with ~$2.1M fee

Camp4 Therapeutics Corp

New 44,000 sq ft Watertown lease (100 Talcott Ave) through June 2030; base rent $40/sq ft with 3% annual escalations.
Cambridge lease (30,760 sq ft, One Kendall Square) terminated 30 days after Watertown commencement; rent abated from Oct 1, 2025.
Lease modification fee of ~$2.1M paid to landlord over additional rent abatement period.
Watertown rent commencement 120 days after target commencement (~180 days from Dec 22, 2025); further abated for 14 months.
Five-year extension option at market rent ≥$85/sq ft.

Key facts

Extracted from this filing and checked against the source text.

Material Agreements SEC 8-K Item 1.01/1.02 confidence 0.95

Camp4 Therapeutics Corp entered into Lease Agreement with ARE-MA Region No. 75, LLC valued at annual base rent $40.00 per rentable square foot, subject to annual increases of 3%; initial term en (effective 2025-12-22).

Action: entry
Agreement: lease
Counterparty: ARE-MA Region No. 75, LLC
Value: annual base rent $40.00 per rentable square foot, subject to annual increases of 3%; initial term en
Effective: 2025-12-22

Exact text from the filing

Also on the Effective Date, the Company entered into a Lease Agreement (the “Watertown Lease”) with ARE-MA Region No. 75, LLC (“ARE 75”), an affiliate of ARE 59, for approximately 44,000 rentable square feet of laboratory and office space located at 100 Talcott Avenue, Watertown, Massachusetts (the “Watertown Premises”).

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Material Agreements SEC 8-K Item 1.01/1.02 confidence 0.95

Camp4 Therapeutics Corp amended First Amendment to Lease Agreement with ARE-MA Region No. 59, LLC valued at accelerates termination date to 30 days after Watertown Lease Commencement Date; base rent abated fr (effective 2025-12-22).

Action: amendment
Agreement: lease
Counterparty: ARE-MA Region No. 59, LLC
Value: accelerates termination date to 30 days after Watertown Lease Commencement Date; base rent abated fr
Effective: 2025-12-22

Exact text from the filing

On December 22, 2025 (the “Effective Date”), CAMP4 Therapeutics Corporation (the “Company”) and ARE-MA Region No. 59, LLC (“ARE 59”) entered into the First Amendment (the “Lease Amendment”) to the Lease Agreement (the “Cambridge Lease”), dated October 3, 2019, by and between the Company and ARE 59.

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Material Agreements SEC 8-K Item 1.01/1.02 confidence 0.95

Camp4 Therapeutics Corp terminated Cambridge Lease with ARE-MA Region No. 59, LLC valued at termination date accelerated to 30 days after Watertown Lease Commencement Date (effective 2025-12-22).

Action: termination
Agreement: lease
Counterparty: ARE-MA Region No. 59, LLC
Value: termination date accelerated to 30 days after Watertown Lease Commencement Date
Effective: 2025-12-22

Exact text from the filing

The Lease Amendment will accelerate the termination date of the Cambridge Lease to the date (the “Early Termination Date”) thirty days after the Commencement Date of the Watertown Lease (as such terms are defined below).

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Camp4 Therapeutics Corp filing history →

Source: SEC EDGAR

accession 0001736730-25-000116

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