25.88
price down icon3.11%   -0.83
after-market After Hours: 26.45 0.57 +2.20%
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Greenwich Lifesciences Inc stock is traded at $25.88, with a volume of 188.86K. It is down -3.11% in the last 24 hours and up +3.81% 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:
$26.71
Open:
$26.15
24h Volume:
188.86K
Relative Volume:
0.35
Market Cap:
$358.56M
Revenue:
-
Net Income/Loss:
$-19.48M
P/E Ratio:
-17.68
EPS:
-1.4641
Net Cash Flow:
$-8.59M
1W Performance:
-2.49%
1M Performance:
+3.81%
6M Performance:
+125.83%
1Y Performance:
+126.03%
1-Day Range:
Value
$24.61
$26.49
1-Week Range:
Value
$24.61
$30.25
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
2026-04-21
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
25.88 370.05M 0 -19.48M -8.59M -1.4641
Biotechnology icon
VRTX
Vertex Pharmaceuticals Inc
458.05 114.72B 12.07B 3.95B 3.19B 15.33
Biotechnology icon
REGN
Regeneron Pharmaceuticals Inc
737.45 78.67B 14.34B 4.50B 3.77B 41.56
Biotechnology icon
ARGX
Argen X Se Adr
684.50 42.38B 4.16B 1.29B 734.26M 19.59
Biotechnology icon
ALNY
Alnylam Pharmaceuticals Inc
311.10 41.75B 3.71B 313.75M 465.38M 2.2571
Biotechnology icon
ONC
Beone Medicines Ltd Adr
282.72 31.33B 5.36B 287.73M 924.18M 2.5229

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
Mar 19, 2026

Greenwich LifeSciences Inc initiates new US clinical sites for Flamingo-01 phase III trial - marketscreener.com

Mar 19, 2026
pulisher
Mar 19, 2026

Greenwich LifeSciences expands Phase III trial to City of Hope sites - Investing.com

Mar 19, 2026
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Mar 19, 2026

Greenwich LifeSciences, Inc. Announces Addition of City of Hope to Flamingo-01 - marketscreener.com

Mar 19, 2026
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Mar 19, 2026

City of Hope joins breast cancer trial, widening access across US sites - Stock Titan

Mar 19, 2026
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Mar 19, 2026

Liquidity Mapping Around (GLSI) Price Events - Stock Traders Daily

Mar 19, 2026
pulisher
Mar 19, 2026

Greenwich LifeSciences to present trial data at AACR meeting By Investing.com - Investing.com Canada

Mar 19, 2026
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Mar 18, 2026

Greenwich LifeSciences to present trial data at AACR meeting - Investing.com

Mar 18, 2026
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Mar 18, 2026

Greenwich Lifesciences provides update on upcoming AACR meeting - marketscreener.com

Mar 18, 2026
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Mar 18, 2026

Greenwich Lifesciences Provides Update On Upcoming Aacr Meeting - TradingView

Mar 18, 2026
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Mar 18, 2026

Greenwich LifeSciences, Inc. Announces Presentation of FLAMINGO-01 Phase III Clinical Trial Data at AACR Meeting 2026 - Quiver Quantitative

Mar 18, 2026
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Mar 18, 2026

Greenwich LifeSciences to share AACR Meeting plans - Traders Union

Mar 18, 2026
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Mar 18, 2026

Greenwich LifeSciences Provides Update on Upcoming AACR Meeting - GlobeNewswire Inc.

Mar 18, 2026
pulisher
Mar 17, 2026

Why is GLSI stock rising today? - MSN

Mar 17, 2026
pulisher
Mar 17, 2026

Breakthrough in Clinical Trial Data: Biopharmaceutical company Greenwich Lifesciences Inc (NASDAQ: GLSI) recently announced the latest analysis results of its core immunotherapy GP2 in adjuvant treatment for breast cancer. - Bitget

Mar 17, 2026
pulisher
Mar 17, 2026

Why Is GLSI Stock Rising Today? - Mena FN

Mar 17, 2026
pulisher
Mar 17, 2026

Greenwich LifeSciences reports reduced cancer recurrence in trial - Investing.com

Mar 17, 2026
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Mar 17, 2026

Greenwich LifeSciences provides update showing continued reduction in recurrence rate in the open label arm of Flamingo-01 - marketscreener.com

Mar 17, 2026
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Mar 17, 2026

Greenwich Lifesciences Provides Update Showing Continued Reduction In Recurrence Rate In The Open Label Arm Of Flamingo-01 - TradingView

Mar 17, 2026
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Mar 17, 2026

Greenwich LifeSciences reports reduced cancer recurrence in trial By Investing.com - Investing.com UK

Mar 17, 2026
pulisher
Mar 17, 2026

Breast cancer trial sees under 1% yearly recurrences in GLSI-100 arm - Stock Titan

Mar 17, 2026
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Mar 17, 2026

Greenwich LifeSciences begins using commercial GP2 at US sites By Investing.com - Investing.com South Africa

Mar 17, 2026
pulisher
Mar 16, 2026

Greenwich LifeSciences begins using commercial GP2 at US sites - Investing.com

Mar 16, 2026
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Mar 16, 2026

Greenwich LifeSciences Provides Update on Phase III Clinical Trial FLAMINGO-01 and Commercial Manufacturing of GP2 - Quiver Quantitative

Mar 16, 2026
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Mar 16, 2026

Greenwich LifeSciences Announces Use of Commercially Manufactured GP2 in FLAMINGO-01 - Sahm

Mar 16, 2026
pulisher
Mar 11, 2026

Big Money Moves: Is Greenwich LifeSciences Inc undervalued by DCF analysisPortfolio Performance Summary & Free Community Supported Trade Ideas - baoquankhu1.vn

Mar 11, 2026
pulisher
Mar 10, 2026

Greenwich LifeSciences (NASDAQ:GLSI) Trading Up 11.6% – Should You Buy? - Defense World

Mar 10, 2026
pulisher
Mar 10, 2026

Greenwich LifeSciences (NASDAQ:GLSI) Trading Up 11.6%Should You Buy? - MarketBeat

Mar 10, 2026
pulisher
Mar 08, 2026

Why (GLSI) Price Action Is Critical for Tactical Trading - Stock Traders Daily

Mar 08, 2026
pulisher
Mar 06, 2026

Why did Greenwich LifeSciences stock soar pre-market today? - MSN

Mar 06, 2026
pulisher
Mar 06, 2026

ETF Watch: Is Greenwich LifeSciences Inc a turnaround storyWeekly Investment Recap & Free Technical Confirmation Trade Alerts - baoquankhu1.vn

Mar 06, 2026
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Mar 06, 2026

Market Review: Is Greenwich LifeSciences Inc a stock for growth or value investorsMarket Activity Summary & High Conviction Buy Zone Alerts - baoquankhu1.vn

Mar 06, 2026
pulisher
Mar 06, 2026

GLSI Should I Buy - Intellectia AI

Mar 06, 2026
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Mar 05, 2026

Noble Financial Sticks to Their Buy Rating for Greenwich LifeSciences (GLSI) - The Globe and Mail

Mar 05, 2026
pulisher
Mar 04, 2026

Greenwich LifeSciences reports 33% rise in trial screening rate By Investing.com - Investing.com Canada

Mar 04, 2026
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Mar 03, 2026

Greenwich LifeSciences reports 33% rise in trial screening rate - Investing.com South Africa

Mar 03, 2026
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Mar 03, 2026

Greenwich LifeSciences accelerates patient screening in FLAMINGO-01 clinical trial - Traders Union

Mar 03, 2026
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Mar 03, 2026

Greenwich LifeSciences Provides Update on Increased Patient Screen Rate in FLAMINGO-01 - GlobeNewswire

Mar 03, 2026
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Mar 01, 2026

US Stocks Recap: Is Greenwich LifeSciences Inc undervalued by DCF analysisTrade Exit Summary & AI Optimized Trading Strategy Guides - baoquankhu1.vn

Mar 01, 2026
pulisher
Feb 26, 2026

Aug Sentiment: Can Greenwich LifeSciences Inc expand into new marketsOptions Play & Long-Term Safe Investment Ideas - baoquankhu1.vn

Feb 26, 2026
pulisher
Feb 25, 2026

GLSI Financials: Revenue Breakdown, Margins & Competitor Comparison - Intellectia AI

Feb 25, 2026
pulisher
Feb 24, 2026

Understanding Momentum Shifts in (GLSI) - Stock Traders Daily

Feb 24, 2026
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Feb 24, 2026

Greenwich LifeSciences abstracts accepted at AACR 2026 meeting By Investing.com - Investing.com Australia

Feb 24, 2026
pulisher
Feb 24, 2026

Greenwich LifeSciences abstracts accepted at AACR 2026 meeting - Investing.com Nigeria

Feb 24, 2026
pulisher
Feb 24, 2026

Rally Mode: Is BTCM a cyclical or defensive stockWall Street Watch & Risk Adjusted Buy and Sell Alerts - baoquankhu1.vn

Feb 24, 2026
pulisher
Feb 24, 2026

Greenwich lands 2 AACR 2026 slots, first with FLAMINGO-01 Steering Committee - Stock Titan

Feb 24, 2026
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Feb 24, 2026

GLSI Financials: Income Statement, Balance Sheet & Cash Flow - Stock Titan

Feb 24, 2026
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Feb 24, 2026

Greenwich LifeSciences Announces Acceptance of Two Abstracts at AACR Annual Meeting 2026 - ChartMill

Feb 24, 2026
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Feb 19, 2026

Analysis Recap: Is SPRY stock showing strong momentumQuarterly Market Summary & Risk Controlled Swing Alerts - baoquankhu1.vn

Feb 19, 2026
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Feb 16, 2026

Greenwich LifeSciences, Inc. (NASDAQ:GLSI) Short Interest Down 14.7% in January - MarketBeat

Feb 16, 2026
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Feb 14, 2026

How interest rate cuts could boost Greenwich LifeSciences Inc. stockJuly 2025 Macro Moves & Consistent Return Investment Signals - mfd.ru

Feb 14, 2026
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Feb 14, 2026

GLSI PE Ratio & Valuation, Is GLSI Overvalued - Intellectia AI

Feb 14, 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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$99.29
price up icon 1.20%
$27.80
price up icon 0.00%
$52.37
price down icon 0.06%
$89.31
price down icon 0.77%
$144.00
price up icon 0.91%
biotechnology ONC
$282.72
price up icon 0.15%
Cap:     |  Volume (24h):