
Certain stocks are such poor bets that they are likely to lose ground even in bull markets.
Greenwich LifeSciences, Inc., a clinical-stage biopharmaceutical company, focuses on the development of new cancer immunotherapies for breast and other HER2 / neu-expressing cancers. The company is headquartered in Stafford, Texas.
| Revenue (TTM) | 0 |
| Gross Profit (TTM) | 0 |
| EBITDA | $-22.66M |
| Operating Margin | 0.00% |
| Return on Equity | -986.00% |
| Return on Assets | -236.00% |
| Revenue/Share (TTM) | $0.00 |
| Book Value | $0.21 |
| Price-to-Book | 73.09 |
| Price-to-Sales (TTM) | — |
| EV/Revenue | - |
| EV/EBITDA | -21.23 |
| Quarterly Earnings Growth (YoY) | 0.00% |
| Quarterly Revenue Growth (YoY) | 0.00% |
| Shares Outstanding | $14.68M |
| Float | $7.65M |
| % Insiders | 47.91% |
| % Institutions | 12.24% |
Volatility is currently expanding

Certain stocks are such poor bets that they are likely to lose ground even in bull markets.

STAFFORD, Texas, Aug. 10, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLAMINGO-01, which is evaluating Fast Track designated GLSI-100, an immunotherapy to prevent breast cancer recurrences, today announced that its Board of Directors has extended the lock-up of the shares owned by the Company's directors, officers, and existing pre-IPO investors to January 31, 2027 which is approximately 76 months from the date of the Company's IPO. During this period, current officers, directors and certain shareholders will not be able to sell their shares of the Company's common stock unless otherwise modified by the Board of Directors. After January 31, 2027, the quantity of these locked-up shares that can be sold daily and over various periods of time will be restricted under a leak-out plan unless otherwise modified by the Board of Directors.

STAFFORD, Texas, July 22, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), 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, today announced the regulatory approval to expand FLAMINGO-01 into the United Kingdom.

STAFFORD, Texas, July 20, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), 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, today provided the following clinical updates on FLAMINGO-01.

STAFFORD, Texas, July 16, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), 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, today provided the following update on the combination of both HLA-A*02 and non-HLA-A*02 patients in FLAMINGO-01 in Europe.

Greenwich LifeSciences is a single-asset biotech focused on GLSI-100, an immunotherapy for HER2-positive breast cancer, currently in Phase 3 trials. GLSI-100 demonstrated a 70-80% reduction in cancer recurrence in Phase 2b, outperforming approved therapies, with no serious adverse events reported. GLSI trades at a ~$279M market cap, below recent M&A comps, despite advanced clinical progress and a large addressable market in HER2/neu-positive breast cancer.

STAFFORD, Texas, July 09, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), 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, today provided the following update on the use of commercially manufactured GP2 in FLAMINGO-01 in Europe.

STAFFORD, Texas, June 01, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLAMINGO-01, which is evaluating Fast Track designated GLSI-100, an immunotherapy to prevent breast cancer recurrences, today presents the published abstract and poster from the ASCO Annual Meeting 2026.

STAFFORD, Texas, June 01, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLAMINGO-01, which is evaluating Fast Track designated GLSI-100, an immunotherapy to prevent breast cancer recurrences, today provided an update on its Form 10-K filing for the fiscal year ending December 31, 2025.

STAFFORD, Texas, May 22, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) ("Greenwich" or the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLAMINGO-01, which is evaluating Fast Track designated GLSI-100, an immunotherapy to prevent breast cancer recurrences, today announced that on May 20, 2026, the Company received notification from the Listing Qualifications Department of The Nasdaq Stock Market LLC notifying the Company that, because it has not yet filed its Quarterly Report on Form 10-Q for the three months ended March 31, 2026, the Company is not currently in compliance with Nasdaq Listing Rule 5250(c)(1), which requires timely filing of periodic financial reports with the Securities and Exchange Commission. The notice has no immediate effect on the listing or trading of the Company's common stock, which continues to trade on the Nasdaq Capital Market under the symbol "GLSI."
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