Greenwich Lifesciences, Inc.

Biotechnology • Healthcare • Stafford, TX, United States • GLSI (NCM)

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 and Romania. Its lead product candidate is GP2, an immunotherapy, which is in Phase III clinical trial to prevent breast cancer recurrences in patients who have previously undergone surgery. The company also develops FLAMINGO-01, which is in Phase III clinical trial designed to evaluate the safety and efficacy of GLSI-100 (GP2 + GM-CSF) 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.

832 819 3232 Building 14, Stafford, TX 77477, United States

Stock Performance (90 Days)

Data through Dec 29, 2025

Price updates on page refresh. Intraday quotes available during market hours (9:30 AM - 4:00 PM EST).

Layoff History

No layoff events recorded for this company.

Recent News

A US$74m drop in the market cap of Greenwich LifeSciences, Inc. (NASDAQ:GLSI) is not what insiders like to see after purchasing shares recently - simplywall.st

simplywall.st • Jan 5

Insider Buying: Greenwich LifeSciences (NASDAQ:GLSI) CEO Acquires 4,300 Shares of Stock - MarketBeat

MarketBeat • Jan 5

Patel, Greenwich Lifesciences CEO, buys $63k in GLSI stock - Investing.com

Investing.com • Jan 2

Top Executive Makes Bold Insider Move on Greenwich LifeSciences Stock - TipRanks

TipRanks • Jan 3

Greenwich LifeSciences (Nasdaq: GLSI) sees ~80% recurrence cut in 250-patient FLAMINGO-01 arm - Stock Titan

Stock Titan • Dec 15

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Frequently Asked Questions

Has Greenwich LifeSciences, Inc. had layoffs?

No layoff events have been recorded for Greenwich LifeSciences, Inc. in our database. This could mean the company has not conducted significant layoffs, or any layoffs have not been publicly reported.

How many employees does Greenwich LifeSciences, Inc. have?

Greenwich LifeSciences, Inc. has approximately 4 employees.

What industry is Greenwich LifeSciences, Inc. in?

Greenwich LifeSciences, Inc. operates in the Biotechnology industry, within the Healthcare sector.

Is Greenwich LifeSciences, Inc. a publicly traded company?

Yes, Greenwich LifeSciences, Inc. is publicly traded under the ticker symbol GLSI on the NCM. The company has a market capitalization of approximately $0.34 billion.

Where is Greenwich LifeSciences, Inc. headquartered?

Greenwich LifeSciences, Inc. is headquartered in Stafford, TX, United States at Building 14, Stafford, TX 77477, United States.

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