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Greenwich Lifesciences Inc Stock Price, News & Analysis

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Welcome to our dedicated page for Greenwich Lifesciences news (Ticker: GLSI), a resource for investors and traders seeking the latest updates and insights on Greenwich Lifesciences stock.

Greenwich Lifesciences Inc (GLSI) is a clinical-stage biopharmaceutical company pioneering immunotherapy solutions to prevent cancer recurrence. This page serves as the definitive source for verified news about GP2 clinical trials, research partnerships, and therapeutic developments in targeted oncology treatments.

Access real-time updates on the company’s immunoadjuvant technologies and HER2/neu-targeted therapies. Investors and researchers will find essential information about clinical milestones, regulatory filings, and scientific publications – all critical for evaluating the company’s position in cancer immunotherapy innovation.

Our curated collection includes earnings reports, trial phase announcements, and strategic collaboration updates. Content is rigorously verified to ensure compliance with financial disclosure standards while maintaining scientific accuracy regarding peptide-based immunotherapies and immune response modulation.

Bookmark this page for streamlined access to GLSI’s latest developments in breast cancer immunotherapy and related oncology research. For comprehensive tracking of the company’s progress through clinical development stages, check back regularly for authoritative updates.

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Greenwich LifeSciences, Inc. (NASDAQ: GLSI) announced that the FDA has lifted the clinical hold on its Flamingo-01 Phase III clinical trial, allowing the company to proceed. The hold was previously imposed due to manufacturing and pharmacy process issues related to the candidate GP2. Following successful discussions and testing with the FDA, these concerns have been addressed. The trial is now moving forward with site initiation visits underway, and further updates on the trial's progress will be provided.

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Greenwich LifeSciences, Inc. (NASDAQ: GLSI) has announced the suspension of its share repurchase program. Previously, the Company repurchased around 520,000 shares for approximately $7.5 million. Following these transactions, GLSI has about 12.8 million shares of common stock outstanding. This decision comes amid considerations that may impact future financial strategies.

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Greenwich LifeSciences (GLSI) has announced the resumption of its Stock Repurchase Program, authorized by its board. The program allows the company to buy back shares in the open market or through private transactions, depending on market conditions. With approximately $4.5 million remaining under this program, Greenwich had 12,951,453 shares outstanding as of March 31, 2022. The company is also advancing its clinical trial for GLSI-100, an immunotherapy aimed at preventing breast cancer recurrences.

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Greenwich LifeSciences (NASDAQ: GLSI) is progressing towards initiating the FLAMINGO-01 Phase III trial focused on GLSI-100, an immunotherapy aimed at preventing breast cancer recurrences. FDA reviews are underway related to manufacturing plans that led to a clinical hold. Site contracts with major U.S. oncology networks are finalized, enabling patient enrollment. Upcoming presentations at the ASCO Annual Meeting aim to enhance outreach. The trial, designed to evaluate 500 patients, aims for significant efficacy in preventing breast cancer recurrence.

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Greenwich LifeSciences, Inc. (NASDAQ: GLSI) announced CEO Snehal Patel will participate in several key conferences, including the H.C. Wainwright Global Investment Conference (May 23-26, 2022) in Miami, the ASCO Annual Meeting (June 3-7, 2022) in Chicago, the Jefferies Healthcare Conference (June 8-10, 2022) in New York, and the BIO International Convention (June 13-16, 2022) in San Diego. The company focuses on GLSI-100, an immunotherapy aimed at preventing breast cancer recurrences. Notably, the Phase III FLAMINGO-01 trial targets HER2/neu positive patients.

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Greenwich LifeSciences (GLSI) announced key results from two Phase IIb clinical trials presented at the AACR Annual Meeting 2022. The trials evaluated GLSI-100, an immunotherapy aimed at preventing breast cancer recurrences. Abstract CT166 highlighted that GLSI-100 elicited a robust immune response in HER2+ patients, achieving a 100% 5-year disease-free survival (DFS) rate for treated patients compared to 89.4% for controls (p = 0.0338). Abstract CT161 indicated that a positive GP2 immune response correlates with increased recurrence risk, offering predictive potential for patient outcomes.

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Greenwich LifeSciences announced the registration of its Phase III clinical trial, Flamingo-01, on clinicaltrials.gov. This trial, testing GLSI-100, aims to prevent breast cancer recurrences in patients post-surgery. The trial will involve approximately 600 patients and has the potential for significant patent extensions if successful. The company will present three clinical trial posters at the upcoming AACR Annual Meeting 2022 from April 8-13, providing updates on trial progress and further recruitment of clinical sites.

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Greenwich LifeSciences, Inc. (Nasdaq: GLSI) announced that CEO Snehal Patel will present at the 2022 BIO CEO & Investor Conference on February 14, 2022. The conference, from February 14-17, focuses on biotech networking and investment opportunities. Greenwich is developing GLSI-100, an immunotherapy to prevent breast cancer recurrences, currently in the FLAMINGO-01 Phase III clinical trial targeting HER2-positive patients. The trial aims to assess effectiveness based on interim analyses of patient outcomes.

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Greenwich LifeSciences (GLSI) has made substantial progress in its Phase III clinical trial, FLAMINGO-01, aimed at preventing breast cancer recurrences. Key developments include the completion of critical study initiation steps, such as securing a Contract Research Organization and obtaining Central Institutional Review Board approval. A total of 25 clinical sites are currently being established, and manufacturing of the GP2 active ingredient has been finalized. The trial will involve approximately 600 patients and aims to assess the efficacy of GP2 immunotherapy in preventing cancer recurrence.

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Greenwich LifeSciences (NASDAQ: GLSI) has announced a stock repurchase program authorized by its Board of Directors, allowing for the repurchase of up to $10 million of its common stock. This program aims to enhance shareholder value and will be funded through the company’s working capital, valid until March 31, 2023. Additionally, the lock-up period for shares held by directors and officers has been extended to March 24, 2023. The company is focusing on its Phase III clinical trial for GLSI-100, aimed at preventing breast cancer recurrences.

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FAQ

What is the current stock price of Greenwich Lifesciences (GLSI)?

The current stock price of Greenwich Lifesciences (GLSI) is $14.57 as of December 23, 2025.

What is the market cap of Greenwich Lifesciences (GLSI)?

The market cap of Greenwich Lifesciences (GLSI) is approximately 185.2M.
Greenwich Lifesciences Inc

Nasdaq:GLSI

GLSI Rankings

GLSI Stock Data

185.17M
6.58M
51.3%
10.45%
7.87%
Biotechnology
Pharmaceutical Preparations
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United States
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