25.73
price down icon7.21%   -2.00
after-market After Hours: 25.70 -0.03 -0.12%
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Greenwich Lifesciences Inc stock is traded at $25.73, with a volume of 128.65K. It is down -7.21% in the last 24 hours and down -4.10% 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:
$27.73
Open:
$27.5
24h Volume:
128.65K
Relative Volume:
0.26
Market Cap:
$356.48M
Revenue:
-
Net Income/Loss:
$-19.48M
P/E Ratio:
-17.57
EPS:
-1.4641
Net Cash Flow:
$-8.59M
1W Performance:
+2.14%
1M Performance:
-4.10%
6M Performance:
+108.34%
1Y Performance:
+114.95%
1-Day Range:
Value
$25.68
$28.00
1-Week Range:
Value
$24.76
$30.12
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
8
Name
Twitter
Name
Next Earnings Date
2025-08-18
Name
Latest SEC Filings
Name
GLSI's Discussions on Twitter

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

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Biotechnology icon
GLSI
Greenwich Lifesciences Inc
25.73 384.19M 0 -19.48M -8.59M -1.4641
Biotechnology icon
VRTX
Vertex Pharmaceuticals Inc
465.02 117.03B 11.74B 3.68B 3.34B 14.19
Biotechnology icon
REGN
Regeneron Pharmaceuticals Inc
783.65 82.35B 14.34B 4.50B 3.77B 41.56
Biotechnology icon
ARGX
Argen X Se Adr
833.54 51.64B 3.06B 1.28B 447.35M 19.67
Biotechnology icon
ALNY
Alnylam Pharmaceuticals Inc
308.48 42.58B 3.21B 43.57M 221.36M 0.2405
Biotechnology icon
ONC
Beone Medicines Ltd Adr
346.42 38.87B 4.98B 69.60M 525.67M 0.5198

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
Feb 12, 2026

Aug Update: Will Greenwich LifeSciences Inc stock benefit from M A2025 Winners & Losers & Community Consensus Trade Signals - baoquankhu1.vn

Feb 12, 2026
pulisher
Feb 09, 2026

Analyst Upgrade: Is Lavoro Limiteds growth already priced inJuly 2025 Highlights & Low Risk Growth Stock Ideas - baoquankhu1.vn

Feb 09, 2026
pulisher
Feb 09, 2026

HC Wainwright Issues Positive Forecast for GLSI Earnings - Defense World

Feb 09, 2026
pulisher
Feb 08, 2026

Valuation Update: Can Greenwich LifeSciences Inc expand into new marketsJuly 2025 Momentum & Weekly Momentum Stock Picks - baoquankhu1.vn

Feb 08, 2026
pulisher
Feb 06, 2026

Greenwich LifeSciences (NASDAQ:GLSI) Trading Down 6.7% – Time to Sell? - Defense World

Feb 06, 2026
pulisher
Feb 04, 2026

Greenwich LifeSciences: Strengthened Liquidity and Robust GP2 Data Support Reiterated Buy and $50 Target - TipRanks

Feb 04, 2026
pulisher
Feb 02, 2026

Discipline and Rules-Based Execution in GLSI Response - Stock Traders Daily

Feb 02, 2026
pulisher
Feb 01, 2026

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

Feb 01, 2026
pulisher
Jan 29, 2026

Will Greenwich LifeSciences Inc. benefit from current market trendsTrade Signal Summary & Free Real-Time Volume Trigger Notifications - mfd.ru

Jan 29, 2026
pulisher
Jan 27, 2026

Greenwich LifeSciences reports $12.5 million cash balance - Investing.com

Jan 27, 2026
pulisher
Jan 27, 2026

Greenwich LifeSciences reports $12.5 million cash balance By Investing.com - Investing.com Nigeria

Jan 27, 2026
pulisher
Jan 27, 2026

Greenwich LifeSciences provides update on Flamingo-01 cash burn rate and financing strategy - marketscreener.com

Jan 27, 2026
pulisher
Jan 27, 2026

Greenwich LifeSciences, Inc. Reports Positive Financial Updates and Progress on FLAMINGO-01 Phase III Trial - Quiver Quantitative

Jan 27, 2026
pulisher
Jan 27, 2026

Greenwich Lifesciences Provides Update On Flamingo-01 Cash Burn Rate And Financing Strategy - TradingView

Jan 27, 2026
pulisher
Jan 27, 2026

Biotech Greenwich LifeSciences raises $7M in 3 weeks for breast cancer trial - Stock Titan

Jan 27, 2026
pulisher
Jan 26, 2026

FDA Approval Boosts Greenwich LifeSciences Stock Sharply - timothysykes.com

Jan 26, 2026
pulisher
Jan 26, 2026

Treasury Yields: Will Greenwich LifeSciences Inc benefit from current market trendsMarket Volume Report & Low Risk Entry Point Tips - baoquankhu1.vn

Jan 26, 2026
pulisher
Jan 26, 2026

Greenwich: GP2 Vaccine MilestoneWhat FDA Manufacturing Approval Means For Investors - Seeking Alpha

Jan 26, 2026
pulisher
Jan 23, 2026

Insiders of Greenwich LifeSciences, Inc. (NASDAQ:GLSI) must be frustrated after market cap dropped US$50m since recent purchases - Yahoo Finance

Jan 23, 2026
pulisher
Jan 22, 2026

Behavioral Patterns of GLSI and Institutional Flows - Stock Traders Daily

Jan 22, 2026
pulisher
Jan 22, 2026

FDA approves commercial GP2 lot for Greenwich’s breast cancer trial By Investing.com - Investing.com Canada

Jan 22, 2026
pulisher
Jan 22, 2026

Why Did Greenwich Lifesciences Stock Soar Pre-Market Today? - Menafn.com

Jan 22, 2026
pulisher
Jan 22, 2026

Why Did Greenwich LifeSciences Stock Soar Pre-Market Today? - Asianet Newsable

Jan 22, 2026
pulisher
Jan 22, 2026

GLSI Stock Surges Pre-Market On Clearing FDA Manufacturing Step For Its Breast Cancer Trial - Stocktwits

Jan 22, 2026
pulisher
Jan 22, 2026

Greenwich LifeSciences stock soars after FDA approves commercial GP2 in trial - Investing.com Canada

Jan 22, 2026
pulisher
Jan 22, 2026

Greenwich gets FDA nod for commercially made product candidate - Seeking Alpha

Jan 22, 2026
pulisher
Jan 22, 2026

Greenwich LifeSciences surges as FDA clears supplies for breast cancer trial - TradingView

Jan 22, 2026
pulisher
Jan 22, 2026

Greenwich LifeSciences Announces FDA Approves Use of Commercially Manufactured GP2 in FLAMINGO-01 - The Manila Times

Jan 22, 2026
pulisher
Jan 22, 2026

FDA approves first GP2 batch for breast cancer trial, 200,000 doses - Stock Titan

Jan 22, 2026
pulisher
Jan 18, 2026

Head to Head Contrast: Greenwich LifeSciences (NASDAQ:GLSI) & Vertex Pharmaceuticals (NASDAQ:VRTX) - Defense World

Jan 18, 2026
pulisher
Jan 15, 2026

Insider Buying: Greenwich LifeSciences (NASDAQ:GLSI) CEO Acquires 1,800 Shares of Stock - MarketBeat

Jan 15, 2026
pulisher
Jan 15, 2026

Greenwich LifeSciences CEO Patel buys $53,694 in GLSI stock By Investing.com - Investing.com Canada

Jan 15, 2026
pulisher
Jan 15, 2026

Greenwich LifeSciences stockholders reelect board and auditor - MSN

Jan 15, 2026
pulisher
Jan 14, 2026

The $69B Precision Pivot: Why Biomarker Platforms are Igniting a New Oncology Gold Rush - Baystreet.ca

Jan 14, 2026
pulisher
Jan 14, 2026

Insider Buying: Greenwich LifeSciences (NASDAQ:GLSI) CEO Purchases 2,900 Shares of Stock - MarketBeat

Jan 14, 2026
pulisher
Jan 14, 2026

Greenwich LifeSciences CEO Patel buys $79,866 in GLSI stock By Investing.com - Investing.com South Africa

Jan 14, 2026
pulisher
Jan 14, 2026

Greenwich LifeSciences CEO Patel buys $79,866 in GLSI stock - Investing.com

Jan 14, 2026
pulisher
Jan 13, 2026

Greenwich LifeSciences (GLSI) Price Target Increased by 13.10% to 48.45 - Nasdaq

Jan 13, 2026
pulisher
Jan 13, 2026

Chart Watch: Will Greenwich LifeSciences Inc stock benefit from commodity pricesJuly 2025 Reactions & Entry Point Confirmation Signals - Bộ Nội Vụ

Jan 13, 2026
pulisher
Jan 13, 2026

Technical Analysis: Is Greenwich LifeSciences Inc stock ready for breakoutTrade Exit Summary & Reliable Price Action Trade Plans - Bộ Nội Vụ

Jan 13, 2026
pulisher
Jan 10, 2026

Why is GLSI stock rising today? - MSN

Jan 10, 2026
pulisher
Jan 09, 2026

HER2-Positive Breast Cancer Pipeline 2025: FDA Updates, Therapy Innovations, and Clinical Trial Landscape Analysis by DelveInsight | Roche Pharma AG, Dizal Pharma, Greenwich LifeSciences, Ambrx - The Globe and Mail

Jan 09, 2026
pulisher
Jan 08, 2026

Will Greenwich LifeSciences Inc. stock outperform growth indexesJuly 2025 Selloffs & Accurate Intraday Trading Signals - Улправда

Jan 08, 2026
pulisher
Jan 07, 2026

Why Greenwich LifeSciences Inc. stock is a must watch in 2025Volume Weighted Average Price & Smart Beta Strategies That Actually Work - Улправда

Jan 07, 2026
pulisher
Jan 07, 2026

How $594B in Precision Tech is Cracking the Metastatic Cancer Code - The Globe and Mail

Jan 07, 2026
pulisher
Jan 07, 2026

Snehal Patel Buys Handful Of Shares In Greenwich LifeSciences - simplywall.st

Jan 07, 2026
pulisher
Jan 06, 2026

Greenwich LifeSciences (NASDAQ:GLSI) CEO Snehal Patel Acquires 4,300 Shares - Defense World

Jan 06, 2026
pulisher
Jan 06, 2026

Will Greenwich LifeSciences Inc. stock benefit from upcoming earnings reports2026 world cup usa national team group stage star players transition play group prediction preview - ulpravda.ru

Jan 06, 2026
pulisher
Jan 05, 2026

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

Jan 05, 2026
pulisher
Jan 05, 2026

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

Jan 05, 2026
pulisher
Jan 05, 2026

Head-To-Head Analysis: Greenwich LifeSciences (NASDAQ:GLSI) vs. Avalon GloboCare (NASDAQ:ALBT) - Defense World

Jan 05, 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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$44.80
price up icon 1.24%
$26.75
price down icon 0.19%
$100.75
price up icon 1.93%
$105.76
price down icon 3.31%
$146.17
price down icon 1.52%
biotechnology ONC
$346.42
price down icon 1.38%
Cap:     |  Volume (24h):