13.44
price up icon3.54%   0.46
after-market After Hours: 13.60 0.16 +1.19%
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Greenwich Lifesciences Inc stock is traded at $13.44, with a volume of 132.62K. It is up +3.54% in the last 24 hours and down -32.12% 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 breast cancers at low (1+), intermediate (2+), and high (3+ or overexpressing) levels.
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Previous Close:
$12.98
Open:
$13.54
24h Volume:
132.62K
Relative Volume:
0.87
Market Cap:
$197.28M
Revenue:
-
Net Income/Loss:
$-21.76M
P/E Ratio:
-8.6827
EPS:
-1.5479
Net Cash Flow:
$-12.78M
1W Performance:
-4.48%
1M Performance:
-32.12%
6M Performance:
-59.96%
1Y Performance:
+16.16%
1-Day Range:
Value
$13.15
$14.08
1-Week Range:
Value
$12.51
$15.36
52-Week Range:
Value
$7.78
$34.10

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
13
Name
Twitter
Name
Next Earnings Date
2026-08-13
Name
Latest SEC Filings
Name
GLSI's Discussions on Twitter

Compare GLSI vs VRTX, REGN, ARGX, RVMD, ALNY

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
GLSI icon
GLSI
Greenwich Lifesciences Inc
13.44 190.52M 0 -21.76M -12.78M -1.5479
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
479.00 121.16B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
667.17 68.78B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
888.82 57.44B 4.16B 1.29B 734.26M 19.58
RVMD icon
RVMD
Revolution Medicines Inc
188.07 40.23B 742.00K -1.37B -1.07B -7.0731
ALNY icon
ALNY
Alnylam Pharmaceuticals Inc
278.40 36.28B 4.29B 577.22M 641.34M 4.2086

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
Jul 27, 2026

GLSI|Greenwich Lifesciences Inc|Price:13.470|Chg%:+0.490 - TradingKey

Jul 27, 2026
pulisher
Jul 27, 2026

Form 4 Greenwich Lifesciences Inc For: 27 July By Investing.com - Investing.com Nigeria

Jul 27, 2026
pulisher
Jul 27, 2026

Greenwich LifeSciences CEO buys $47,018 in company stock By Investing.com - Investing.com Canada

Jul 27, 2026
pulisher
Jul 27, 2026

Greenwich LifeSciences CEO buys $47,018 in company stock - Investing.com

Jul 27, 2026
pulisher
Jul 27, 2026

Greenwich LifeSciences (NASDAQ: GLSI) CEO adds 3,600 shares in open-market buys - Stock Titan

Jul 27, 2026
pulisher
Jul 26, 2026

Greenwich LifeSciences, Inc. Revenue Breakdown – NASDAQ:GLSI - TradingView

Jul 26, 2026
pulisher
Jul 25, 2026

TradingKey - TradingKey

Jul 25, 2026
pulisher
Jul 25, 2026

Greenwich Lifesciences Inc (GLSI) Shareholder Structure: Major Shareholders & Institutional Holdings - TradingKey

Jul 25, 2026
pulisher
Jul 25, 2026

Greenwich Lifesciences Inc (GLSI) Dividends & Stock Splits: Historical Payouts and Event Timeline - TradingKey

Jul 25, 2026
pulisher
Jul 25, 2026

Greenwich Lifesciences Inc (GLSI) Risk Assessment: Volatility, Financial Risk & Investment Risk - TradingKey

Jul 25, 2026
pulisher
Jul 25, 2026

Greenwich Lifesciences Inc (GLSI) Financial Health: Profitability & Balance Sheet Analysis - TradingKey

Jul 25, 2026
pulisher
Jul 24, 2026

Greenwich Lifesciences Inc (GLSI) Institutional Confidence - TradingKey

Jul 24, 2026
pulisher
Jul 24, 2026

Greenwich Lifesciences Inc (GLSI) Valuation: PE, PB & Fair Value Analysis - TradingKey

Jul 24, 2026
pulisher
Jul 23, 2026

Greenwich LifeSciences, Inc. (GLSI) Stock Price, News, Quote & History - Yahoo! Finance Canada

Jul 23, 2026
pulisher
Jul 23, 2026

Greenwich LifeSciences, Inc. (GLSI) stock price, news, quote and history - Yahoo Finance UK

Jul 23, 2026
pulisher
Jul 22, 2026

Why Did GLSI Stock Rise Pre-Market Today? - Stocktwits

Jul 22, 2026
pulisher
Jul 22, 2026

Greenwich LifeSciences adds up to 10 UK trial sites - grafa.com

Jul 22, 2026
pulisher
Jul 22, 2026

Greenwich LifeSciences gains UK approval for breast cancer trial By Investing.com - Investing.com South Africa

Jul 22, 2026
pulisher
Jul 22, 2026

Greenwich LifeSciences Gets UK Clearance to Expand Breast Cancer Trial - Moomoo

Jul 22, 2026
pulisher
Jul 22, 2026

Greenwich LifeSciences gains UK approval for breast cancer trial - Investing.com

Jul 22, 2026
pulisher
Jul 22, 2026

Greenwich LifeSciences secures regulatory approval to expand FLAMINGO-01 trial into United Kingdom - Traders Union

Jul 22, 2026
pulisher
Jul 22, 2026

Greenwich LifeSciences Announces UK Regulatory Approval to Expand Phase III FLAMINGO-01 Breast Cancer Trial - Quiver Quantitative

Jul 22, 2026
pulisher
Jul 22, 2026

Greenwich LifeSciences Announces Approval to Expand FLAMINGO-01 into the United Kingdom - The Manila Times

Jul 22, 2026
pulisher
Jul 22, 2026

UK approval could add 5-10 sites to Greenwich LifeSciences trial - Stock Titan

Jul 22, 2026
pulisher
Jul 21, 2026

Greenwich LifeSciences: Building Pivotal Trial Momentum, But Still Not Moving The Needle For Me - Seeking Alpha

Jul 21, 2026
pulisher
Jul 20, 2026

Greenwich LifeSciences expands Phase III breast cancer trial - grafa.com

Jul 20, 2026
pulisher
Jul 20, 2026

Why is Greenwich LifeSciences stock rallying today? By Investing.com - Investing.com Canada

Jul 20, 2026
pulisher
Jul 20, 2026

Greenwich LifeSciences updates phase III breast cancer trial design By Investing.com - Investing.com South Africa

Jul 20, 2026
pulisher
Jul 20, 2026

Greenwich LifeSciences updates phase III breast cancer trial design - Investing.com

Jul 20, 2026
pulisher
Jul 20, 2026

Greenwich LifeSciences Updates FLAMINGO-01 Phase III Trial Design, Enrollment and Financial Outlook - Quiver Quantitative

Jul 20, 2026
pulisher
Jul 20, 2026

Greenwich trial opens enrollment to patients representing about 55% of population - Stock Titan

Jul 20, 2026
pulisher
Jul 18, 2026

The Technical Signals Behind (GLSI) That Institutions Follow - Stock Traders Daily

Jul 18, 2026
pulisher
Jul 16, 2026

Greenwich LifeSciences wins EMA clearance to combine HLA patient groups in FLAMINGO-01 trial - Bitget

Jul 16, 2026
pulisher
Jul 16, 2026

Greenwich LifeSciences expands trial enrollment in Europe By Investing.com - Investing.com South Africa

Jul 16, 2026
pulisher
Jul 16, 2026

Greenwich unifies 180-site FLAMINGO-01 trial protocol - grafa.com

Jul 16, 2026
pulisher
Jul 16, 2026

Greenwich LifeSciences Announces European Approval For Combining Both HLA Populations In FLAMINGO-01 - marketscreener.com

Jul 16, 2026
pulisher
Jul 16, 2026

Greenwich LifeSciences expands trial enrollment in Europe - Investing.com

Jul 16, 2026
pulisher
Jul 16, 2026

Greenwich LifeSciences Announces European Approval for Combining Both HLA Populations in FLAMINGO-01 - GlobeNewswire

Jul 16, 2026
pulisher
Jul 16, 2026

Greenwich LifeSciences' breast cancer drug shows strong Phase 2 results but faces funding risks ahead of Phase 3. - Pluang

Jul 16, 2026
pulisher
Jul 16, 2026

Greenwich LifeSciences The Overlooked Need (NASDAQ:GLSI) - Seeking Alpha

Jul 16, 2026
pulisher
Jul 09, 2026

Greenwich Lifesciences Receives European Approval for Use of Commercially Manufactured GP2 in FLAMINGO-01 - marketscreener.com

Jul 09, 2026
pulisher
Jul 09, 2026

Greenwich LifeSciences (GLSI) Rallies 3.6% as Biotech Stock Approaches Key ResistanceFade Trade - DonanımHaber

Jul 09, 2026
pulisher
Jul 09, 2026

Greenwich LifeSciences stock jumps as EMA approves commercial GP2 By Investing.com - Investing.com Canada

Jul 09, 2026
pulisher
Jul 09, 2026

Greenwich LifeSciences stock jumps as EMA approves commercial GP2 - Investing.com

Jul 09, 2026
pulisher
Jul 09, 2026

Greenwich LifeSciences Secures EMA Approval for Phase 3 GP2 Lot - grafa.com

Jul 09, 2026
pulisher
Jul 09, 2026

Sector Update: Healthcare - Moomoo

Jul 09, 2026
pulisher
Jul 09, 2026

Sector Update: Healthcare Stocks Mixed Pre-Bell Thursday - Moomoo

Jul 09, 2026
pulisher
Jul 09, 2026

Greenwich LifeSciences Says Commercially Manufactured GP2 Cleared for Trial in Europe - Moomoo

Jul 09, 2026
pulisher
Jul 09, 2026

European regulators authorize Greenwich LifeSciences to deploy commercial GP2 in FLAMINGO-01 study - Traders Union

Jul 09, 2026
pulisher
Jul 09, 2026

Greenwich LifeSciences Announces EMA Approval for Commercially Manufactured GP2 in FLAMINGO-01 Across Europe - Quiver Quantitative

Jul 09, 2026
pulisher
Jul 09, 2026

Greenwich LifeSciences Announces European Approval for Use of Commercially Manufactured GP2 in FLAMINGO-01 - GlobeNewswire

Jul 09, 2026

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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$91.09
price up icon 1.97%
$118.87
price up icon 1.02%
$34.72
price down icon 0.83%
$58.73
price down icon 0.17%
ONC ONC
$325.90
price up icon 0.00%
$278.40
price up icon 2.44%
Cap:     |  Volume (24h):