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Greenwich Lifesciences Inc stock is traded at $10.72, with a volume of 10,248. It is up +1.83% in the last 24 hours and down -3.43% over the past month. Greenwich LifeSciences Inc 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. GP2 is a 9 amino acid transmembrane peptide of the HER2/neu protein, a cell surface receptor protein that is expressed in a variety of common cancers, including expression in 75 percent of breast cancers at low (1+), intermediate (2+), and high (3+ or over-expressor) levels. The combination of GP2 + GM-CSF is called GLSI-100. The company is currently expanding Flamingo-01 into Europe with plans to open up to 150 sites globally.
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Previous Close:
$10.65
Open:
$10.9
24h Volume:
10,248
Relative Volume:
0.15
Market Cap:
$146.66M
Revenue:
-
Net Income/Loss:
$-8.89M
P/E Ratio:
-15.31
EPS:
-0.7
Net Cash Flow:
$-6.48M
1W Performance:
-3.86%
1M Performance:
-3.43%
6M Performance:
+9.99%
1Y Performance:
-21.01%
1-Day Range:
Value
$10.68
$11.02
1-Week Range:
Value
$10.59
$11.49
52-Week Range:
Value
$8.06
$15.47

Greenwich Lifesciences Inc Stock (GLSI) Company Profile

Name
Name
Greenwich Lifesciences Inc
Name
Phone
203-434-3290
Name
Address
3992 BLUEBONNET DR, BUILDING 14, STAFFORD
Name
Employee
8
Name
Twitter
Name
Next Earnings Date
2025-08-18
Name
Latest SEC Filings
Name
GLSI's Discussions on Twitter

Compare GLSI with other stocks

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Biotechnology icon
GLSI
Greenwich Lifesciences Inc
10.76 145.16M 0 -8.89M -6.48M -0.70
Biotechnology icon
VRTX
Vertex Pharmaceuticals Inc
405.64 104.55B 11.39B 3.64B 3.50B 13.99
Biotechnology icon
ALNY
Alnylam Pharmaceuticals Inc
460.22 60.36B 2.46B -319.09M -52.09M -2.4669
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REGN
Regeneron Pharmaceuticals Inc
542.01 59.84B 14.21B 4.46B 3.56B 39.69
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ARGX
Argen X Se Adr
795.45 49.07B 3.06B 1.28B 447.35M 19.67
Biotechnology icon
ONC
Beone Medicines Ltd Adr
326.40 35.16B 4.56B -176.77M 225.30M -1.7177

Greenwich Lifesciences Inc Stock (GLSI) Upgrades & Downgrades

Date Action Analyst Rating Change
Aug-20-25 Initiated Noble Capital Markets Outperform
Sep-01-21 Initiated H.C. Wainwright Buy

Greenwich Lifesciences Inc Stock (GLSI) Latest News

pulisher
Oct 12, 2025

What recovery options are there for Greenwich LifeSciences Inc.2025 Short Interest & Risk Adjusted Swing Trade Ideas - newser.com

Oct 12, 2025
pulisher
Oct 11, 2025

Greenwich LifeSciences, Inc.Common stock (NQ: - FinancialContent

Oct 11, 2025
pulisher
Oct 10, 2025

Is Greenwich LifeSciences Inc. building a consolidation basePortfolio Return Report & Low Volatility Stock Suggestions - newser.com

Oct 10, 2025
pulisher
Oct 10, 2025

Can Greenwich LifeSciences Inc. stock hit analyst price targetsJuly 2025 Update & High Accuracy Trade Alerts - newser.com

Oct 10, 2025
pulisher
Oct 09, 2025

Greenwich LifeSciences expands breast cancer trial to Austria By Investing.com - Investing.com Canada

Oct 09, 2025
pulisher
Oct 09, 2025

Greenwich LifeSciences expands breast cancer trial to Austria - Investing.com India

Oct 09, 2025
pulisher
Oct 09, 2025

What MACD and RSI say about Greenwich LifeSciences Inc.July 2025 Action & Verified Entry Point Detection - newser.com

Oct 09, 2025
pulisher
Oct 09, 2025

Greenwich Lifesciences announces addition of Austria to FLAMINGO-01 clinical trial - MarketScreener

Oct 09, 2025
pulisher
Oct 09, 2025

Greenwich LifeSciences Expands Phase III FLAMINGO-01 Clinical Trial to Austria - Quiver Quantitative

Oct 09, 2025
pulisher
Oct 09, 2025

Greenwich LifeSciences Announces Addition of Austria to Flamingo-01 Clinical Trial - GlobeNewswire

Oct 09, 2025
pulisher
Oct 06, 2025

Greenwich LifeSciences Inc. stock trendline breakdownMarket Growth Summary & Free Low Drawdown Momentum Trade Ideas - newser.com

Oct 06, 2025
pulisher
Oct 05, 2025

Greenwich LifeSciences Inc. stock outlook for YEAR2025 Price Targets & Technical Pattern Based Buy Signals - newser.com

Oct 05, 2025
pulisher
Oct 03, 2025

Published on: 2025-10-03 01:24:34 - newser.com

Oct 03, 2025
pulisher
Oct 02, 2025

Greenwich LifeSciences expands breast cancer trial to Belgium By Investing.com - Investing.com Australia

Oct 02, 2025
pulisher
Oct 02, 2025

Greenwich LifeSciences expands breast cancer trial to Belgium - Investing.com India

Oct 02, 2025
pulisher
Oct 02, 2025

Greenwich LifeSciences Announces Expansion of Flamingo-01 Clinical Trial to Belgium - The Manila Times

Oct 02, 2025
pulisher
Oct 02, 2025

Greenwich LifeSciences Expands FLAMINGO-01 Clinical Trial to Belgium for Breast Cancer Immunotherapy Research - Quiver Quantitative

Oct 02, 2025
pulisher
Oct 02, 2025

Major Breast Cancer Trial Expansion: Greenwich LifeSciences Adds Belgium to Global Phase III Study - Stock Titan

Oct 02, 2025
pulisher
Oct 01, 2025

How to use a screener to detect Greenwich LifeSciences Inc. breakoutsMarket Growth Review & Step-by-Step Trade Execution Guides - newser.com

Oct 01, 2025
pulisher
Oct 01, 2025

Greenwich LifeSciences Announces Addition of Portugal to Flamingo-01 Clinical Trial - Sahm

Oct 01, 2025
pulisher
Oct 01, 2025

Greenwich LifeSciences expands breast cancer trial to Portugal By Investing.com - Investing.com Nigeria

Oct 01, 2025
pulisher
Sep 30, 2025

Greenwich Lifesciences announces addition of Portugal to Flamingo-01 clinical trial - MarketScreener

Sep 30, 2025
pulisher
Sep 30, 2025

Greenwich LifeSciences expands breast cancer trial to Portugal - Investing.com India

Sep 30, 2025
pulisher
Sep 30, 2025

Greenwich LifeSciences Expands FLAMINGO-01 Clinical Trial to Portugal for Breast Cancer Immunotherapy - Quiver Quantitative

Sep 30, 2025
pulisher
Sep 30, 2025

9,065 Annual Breast Cancer Cases: Greenwich LifeSciences Expands Critical Phase III Trial to Portugal - Stock Titan

Sep 30, 2025
pulisher
Sep 30, 2025

What drives Greenwich LifeSciences Inc stock priceDouble Top/Bottom Patterns & Outperform With Our Smart Trading Calculator - earlytimes.in

Sep 30, 2025
pulisher
Sep 29, 2025

Greenwich LifeSciences, Inc. (NASDAQ:GLSI) CEO Snehal Patel's holdings dropped 12% in value as a result of the recent pullback - simplywall.st

Sep 29, 2025
pulisher
Sep 29, 2025

HER2-Positive Breast Cancer Pipeline 2025: Therapies Under Investigation, Clinical Trials Milestones, and FDA Approvals by DelveInsight | Roche Pharma AG, Dizal Pharma, Greenwich LifeSciences, Ambrx - Barchart.com

Sep 29, 2025
pulisher
Sep 29, 2025

Exit strategy if you’re trapped in Greenwich LifeSciences Inc.Market Trend Report & Growth-Oriented Investment Plans - newser.com

Sep 29, 2025
pulisher
Sep 29, 2025

How to use Fibonacci retracement on Greenwich LifeSciences Inc.Weekly Gains Summary & Safe Capital Allocation Plans - newser.com

Sep 29, 2025
pulisher
Sep 28, 2025

Greenwich LifeSciences expands breast cancer trial to Ireland - MSN

Sep 28, 2025
pulisher
Sep 28, 2025

What analysts say about Greenwich LifeSciences Inc stockTrading Volume Surges & Low Cost Trading Ideas - earlytimes.in

Sep 28, 2025
pulisher
Sep 27, 2025

Greenwich LifeSciences (NASDAQ:GLSI) Stock Price Down 0.2% – What’s Next? - Defense World

Sep 27, 2025
pulisher
Sep 27, 2025

FDA Fast Tracks GLSI-100 for HER2-Positive Breast Cancer Recurrence Prevention - Oncodaily

Sep 27, 2025
pulisher
Sep 27, 2025

Greenwich LifeSciences (NASDAQ:GLSI) Stock Price Down 0.2%What's Next? - MarketBeat

Sep 27, 2025

Greenwich Lifesciences Inc Stock (GLSI) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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Greenwich Lifesciences Inc Stock (GLSI) Insider Trading

Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total
Patel Snehal
CEO and CFO
Apr 17 '25
Buy
8.98
5,400
48,492
5,567,002
Patel Snehal
CEO and CFO
Apr 07 '25
Buy
9.10
3,600
32,760
5,561,602
Patel Snehal
CEO and CFO
Apr 04 '25
Buy
8.73
5,500
48,015
5,558,002
Patel Snehal
CEO and CFO
Jan 10 '25
Buy
12.51
2,500
31,275
5,552,502
Patel Snehal
CEO and CFO
Jan 07 '25
Buy
13.75
1,800
24,750
5,550,002
Patel Snehal
CEO and CFO
Jan 06 '25
Buy
13.31
1,100
14,641
5,548,202
Patel Snehal
CEO and CFO
Jan 03 '25
Buy
12.95
3,400
44,030
5,547,102
Patel Snehal
CEO and CFO
Jan 02 '25
Buy
11.97
2,000
23,940
5,543,702
Patel Snehal
CEO and CFO
Dec 31 '24
Buy
11.36
2,400
27,264
5,541,702
Patel Snehal
CEO and CFO
Dec 30 '24
Buy
11.12
3,200
35,584
5,539,302
$21.84
price up icon 2.36%
$83.15
price down icon 0.82%
$32.01
price up icon 0.52%
$102.43
price up icon 0.01%
$163.94
price up icon 0.83%
biotechnology ONC
$326.40
price up icon 1.37%
Cap:     |  Volume (24h):