Greenwich LifeSciences, Inc. Share Price
NASDAQ: GLSI | Micro CapGreenwich LifeSciences, Inc. Stock Performance
Greenwich LifeSciences, Inc. Share Price Today
As of 29 October 2026, Greenwich LifeSciences, Inc.'s share price is $18.36. The stock opened at $17.38, compared to its previous close of $17.20. During today's trading session, Greenwich LifeSciences, Inc.'s share price traded between $17.29 and $18.31, with an average price of $17.80. Over the past 52 weeks, the stock has recorded a high of $33.91 and a low of $7.83. In terms of performance, Greenwich LifeSciences, Inc.'s share price has declined by 21.27% over the last six months and is up 99.78% on a year-on-year basis.
Greenwich LifeSciences, Inc. Share Price Chart
Greenwich LifeSciences, Inc. Quarterly Profit & Loss
All figures in USD
Greenwich LifeSciences, Inc. Annual Profit & Loss
All figures in USD
About Greenwich LifeSciences, Inc.
Greenwich LifeSciences Inc a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, Flamingo-01, which is evaluating GLSI-100, an immunotherapy to prevent breast cancer recurrences. GP2 is a 9-amino-acid transmembrane peptide of the HER2/neu protein, a cell surface receptor protein that is expressed in a variety of common cancers, including breast cancers at low (1+), intermediate (2+), and high (3+ or overexpressing) levels.
Greenwich LifeSciences, Inc. Historical Returns
| Month | Open | Close | Change % |
|---|---|---|---|
Oct 2026 | $18.13 | $18.31 | -0.05% |
Sep 2026 | $14.59 | $18.32 | -0.65% |
Aug 2026 | $13.75 | $18.44 | +39.27% |
Jul 2026 | $24.27 | $13.24 | -43.95% |
Jun 2026 | $28.11 | $23.62 | -10.67% |
May 2026 | $24.32 | $26.44 | +13.38% |
Apr 2026 | $24.38 | $23.32 | -2.91% |
Mar 2026 | $27.99 | $24.02 | -14.12% |
Feb 2026 | $30.65 | $27.97 | -5.44% |
Jan 2026 | $20.55 | $29.58 | +39.27% |
Dec 2025 | $8.60 | $21.24 | +144.14% |
Nov 2025 | $8.91 | $8.70 | -5.33% |
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