GLSI - Greenwich Lifesciences, Inc.

Insider Purchase by Patel Snehal (CEO, CFO, 10%)

3 Months
After Trade
Before Trade

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Trade Summary

2 months ago, Patel Snehal, serving as CEO, CFO, 10% owner at Greenwich Lifesciences, Inc. (GLSI), purchased 4,600 shares at $8.37 per share, for a total transaction value of $38,502.00. Following this transaction, Patel Snehal now holds 5,588,102 shares of GLSI.

The trade was executed on Tuesday, November 25, 2025 and publicly disclosed via SEC Form 4 filing on Friday, November 28, 2025, 3 days after the trade was made.

Greenwich Lifesciences, Inc. operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.

Patel Snehal

CEO, CFO, 10%

Snehal S. Patel is the Chief Executive Officer (CEO), Chief Financial Officer (CFO), Director, and a 10% owner of Greenwich LifeSciences, Inc. (GLSI), a clinical-stage biopharmaceutical company developing novel cancer immunotherapies for breast cancer and other HER2/neu-expressing cancers.[[1]](https://www.stocktitan.net/sec-filings/GLSI/form-4-greenwich-life-sciences-inc-insider-trading-activity-2f5b41d4b369.html)[[2]](https://greenwichlifesciences.com/about/leadership/)[[5]](https://simplywall.st/stocks/us/pharmaceuticals-biotech/nasdaq-glsi/greenwich-lifesciences/news/snehal-patel-buys-handful-of-shares-in-greenwich-lifescience) With over 30 years of experience in executive management, corporate development, operations, and investment banking in the healthcare and biotech sectors, Patel has consulted on R&D, manufacturing design, scale-up, and operations for multiple public and private biotech firms, including projects in stem cell therapy, multiple sclerosis T-cell therapy, oncolytic viruses, and disposable biotech manufacturing equipment.[[2]](https://greenwichlifesciences.com/about/leadership/) Patel's career includes investment banking roles at Sanders Morris Harris, Ferghana Partners, and JP Morgan Chase, focusing on healthcare and biotech financing and strategic transactions, as well as prior positions in operations and business development at consulting firms and Bayer Corporation.[[2]](https://greenwichlifesciences.com/about/leadership/) He holds a BS in Chemical Engineering and an MS in Biochemical Engineering from the Massachusetts Institute of Technology (MIT), a Certificate in Project Management from the University of California at Berkeley, and an MBA from the University of Chicago.[[2]](https://greenwichlifesciences.com/about/leadership/) Recently, Patel has demonstrated confidence in GLSI by purchasing additional shares, including 2,900 shares on January 12, 2026, at $27.54 per share (bringing direct holdings to 5,602,302 shares), among other transactions in early 2026.[[1]](https://www.stocktitan.net/sec-filings/GLSI/form-4-greenwich-life-sciences-inc-insider-trading-activity-2f5b41d4b369.html)[[3]](https://www.investing.com/news/insider-trading-news/greenwich-lifesciences-ceo-patel-buys-53694-in-glsi-stock-93CH-4449080)

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Trade Price

$8.37

Quantity

4,600

Total Value

$38,502.00

Shares Owned

5,588,102

Trade Date

Tuesday, November 25, 2025

89 days ago

SEC Filing Date

Friday, November 28, 2025

Filed 3 days after trade

HEALTHCAREBIOTECHNOLOGY

About Greenwich Lifesciences, Inc.

Company Overview

No company information available
View news mentioning GLSI

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