secwatch.observer — SEC 8-K summary
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Issuer:     Cogent Biosciences, Inc. (COGT)
CIK:        0001622229
Form:       8-K
Filed at:   2025-09-11T23:59:59+00:00
Accession:  0001193125-25-201353
Event type: other_material
Sentiment:  neutral
Materiality: 0.50
Item codes: 1.01, 2.03, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

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

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1622229/000119312525201353/0001193125-25-201353-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1622229/000119312525201353/d947118d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-25-201353

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer