Skip to main content
Signal8

Greenwich LifeSciences, Inc. (GLSI)

Greenwich LifeSciences, Inc. functions as a clinical-stage biopharmaceutical company, dedicated to developing innovative cancer immunotherapies. These treatments are primarily focused on breast cancer and other HER2/neu-positive malignancies. Its flagship therapeutic candidate is GP2, an immunotherapy which has successfully completed its Phase IIb clinical trials. This drug is designed to prevent the recurrence of breast cancer in patients who have already undergone surgical removal of the tumor. Founded in 2006 and based in Stafford, Texas, the company was formerly known as Norwell, Inc. until it rebranded to Greenwich LifeSciences, Inc. in March 2018.

Sector: Pharmaceutical Preparations

Industry: Biotechnology

Greenwich LifeSciences, Inc. logo

Greenwich LifeSciences, Inc.

NASDAQ:GLSIHealthcare
+6.83%$17.13
AH Close$17.01-0.67%vs close
Mkt Cap$251.36M
Float6.34M
O/S14.68M
Inst Own11.5%
SI24.5%
Dilution
Greenwich LifeSciences, Inc. logoNASDAQ:GLSI$17.13+6.83%
Historical Data
DateOpenHighLowCloseVolume
Key Metrics
Market Cap$251.36M
Enterprise Value--
P/E Ratio-16.79
Est. Net Cash/Share--
Institutional Ownership11.49%

based on 14.68M shares outstanding

SectorHealthcare
IndustryBiotechnology
ExchangeNASDAQ
CountryUSUS
IPO DateSep 25, 2020
Shares Outstanding14.68M
Float6.34M
Company Overview

Greenwich LifeSciences, Inc., a clinical stage biopharmaceutical company, focuses on the development of novel cancer immunotherapies for breast cancer and other HER2/neu-expressing cancers.

Its lead product candidate is the GP2, an immunotherapy, which has completed Phase IIb clinical trial to prevent breast cancer recurrences in patients who have previously undergone surgery.

The company was formerly known as Norwell, Inc. and changed its name to Greenwich LifeSciences, Inc. in March 2018. Greenwich LifeSciences, Inc. was incorporated in 2006 and is headquartered in Stafford, Texas.

Leadership

Snehal S. Patel

Chief Executive Officer, Chief Financial Officer & Director

Eric Rothe

Founder & Independent Director

Christine T. Fischette

Vice President of Business Development

Frank Joseph Daugherty

Chief Medical Officer & Director

Employees

4

Country

US

Sector

Healthcare

Website

greenwichlifesciences.com

Analyst Coverage
Analyst Coverage
ConsensusBuy
Price Target
No price targets available
Ratings Distribution
BUY
2
HOLD
0
SELL
0
TOTAL2
Insider Trades
InsiderTypeShares
Patel Snehal profile photoPatel SnehalPurchase700
Patel Snehal profile photoPatel SnehalPurchase1.5K
Patel Snehal profile photoPatel SnehalPurchase1.5K
Patel Snehal profile photoPatel SnehalPurchase1.1K
Patel Snehal profile photoPatel SnehalPurchase2.5K
Patel Snehal profile photoPatel SnehalPurchase1.8K
Shareholders
11.5%
Institutional
(57)
40.0%
Insiderⓘ
(2)
0.0%
5%+ Owners
(0)
48.5%
Unattributed (incl. retail)ⓘ
Institutional11.5%
Insider40.0%
Unattributed (incl. retail)48.5%
Sources: 13F, Form 4, 13D/13GO/S: 14.7M · as of 24 Jul 2026 · SEC cover page
Insiders & Institutional Holders
52-Week Range
$7.78$34.10
$17.13(36th percentile)
Volume
Average Daily Volume125.97K
118.89K today vs 125.97K avg(-6%)

30d Avg

125.97K

60d Avg

122.07K

90d Avg

125.02K

Earnings
Dividend History
No dividend history available
Compliance Status
Loading compliance data...