Health score, price, valuation, risk signals, and key metrics at a glance.
Greenwich LifeSciences, Inc., a clinical-stage biopharmaceutical company, develops novel cancer immunotherapies for breast cancer and other HER2/neu-expressing cancers in the United States. Its lead product candidate is GP2, a HER2/neu transmembrane peptide, which is in Phase III clinical trial to prevent breast cancer recurrences in patients. The company also develops FLAMINGO-01, which is in Phase IIb and 3 Phase I clinical trial designed to evaluate the safety and efficacy of GLSI-100 in HER2 positive breast cancer patients. Greenwich LifeSciences, Inc. was formerly known as Norwell, Inc. and changed its name to Greenwich LifeSciences, Inc. in March 2018. The company was incorporated in 2006 and is headquartered in Stafford, Texas.
Strongest: Balance Sheet & Red Flags (15/25); weakest: Cash & Earnings Quality (4/25).
Today's multiple positioned against its own trailing range — a visual premium/discount check.
Currently above its 20-quarter median.
Data-driven signals worth keeping an eye on across the last 8 quarters
The company posted negative operating margins in recent quarters — core operations are unprofitable.
Free cash flow has been negative in 8 of the last 8 quarters — earnings are not translating to cash.
as of June 2026
Revenue, EBITDA, operating income, net income, EPS, and shares
Gross, EBITDA, operating, and net margin trends
P/E, P/S, P/B, EV/EBITDA, FCF yield, and earnings yield
Total assets, cash, debt, book value, and leverage
Operating cash flow, free cash flow, FCF margin, and earnings quality
The last 8 consecutive quarters had negative FCF — the company is burning cash and may need external funding.
Shares outstanding increased 11.3% — significant dilution, likely from stock compensation or capital raises.