Greenwich LifeSciences, Inc. (GLSI)

Greenwich LifeSciences, Inc. is a clinical-stage biopharmaceutical company focused on developing GLSI-100, an immunotherapy vaccine that combines a HER2-derived peptide with GM-CSF to prevent breast cancer recurrences in HER2-positive patients. The company is advancing the candidate through a global Phase III clinical trial and has received Fast Track designation from the U.S. FDA.

Market
Nasdaq
Sector
Healthcare
Trend
Downtrend
Last close
15.95 (+2.05% on the day)
MA50
16.79
MA200
21.11
52-week range
7.85–33.56
Market cap
219.4M USD
Dividend yield
0%
Data as of
2026-09-04
Quarterly revenue and earnings, millions of USD
QuarterRevenueYoY %EarningsYoY %
Q1 20250-2.7
Q2 20250-4
Q3 20250-4.2
Q4 20250-7.9
Q1 20260-5.7

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