23.41
price down icon2.70%   -0.65
pre-market  Pre-market:  23.84   0.43   +1.84%
loading
Greenwich Lifesciences Inc stock is traded at $23.41, with a volume of 56,059. It is down -2.70% in the last 24 hours and down -13.97% 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.
See More
Previous Close:
$24.06
Open:
$24.4
24h Volume:
56,059
Relative Volume:
0.38
Market Cap:
$343.62M
Revenue:
-
Net Income/Loss:
$-19.48M
P/E Ratio:
-15.99
EPS:
-1.4641
Net Cash Flow:
$-8.59M
1W Performance:
+8.13%
1M Performance:
-13.97%
6M Performance:
+127.06%
1Y Performance:
+154.46%
1-Day Range:
Value
$23.00
$24.58
1-Week Range:
Value
$21.40
$24.58
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
2026-06-09
Name
Latest SEC Filings
Name
GLSI's Discussions on Twitter

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

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
GLSI icon
GLSI
Greenwich Lifesciences Inc
23.41 343.62M 0 -19.48M -8.59M -1.4641
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
450.46 114.33B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
614.98 64.47B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
884.20 54.99B 4.16B 1.29B 734.26M 19.58
ALNY icon
ALNY
Alnylam Pharmaceuticals Inc
287.80 38.42B 4.29B 577.22M 641.34M 4.2086
RVMD icon
RVMD
Revolution Medicines Inc
160.06 34.03B 742.00K -1.37B -1.07B -7.0731

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
Jun 15, 2026

Technical Reactions to GLSI Trends in Macro Strategies - Stock Traders Daily

Jun 15, 2026
pulisher
Jun 04, 2026

Greenwich LifeSciences, Inc. Q1 2026 Quarterly Report: Financials, Risk Factors, and Disclosure Highlights - Minichart

Jun 04, 2026
pulisher
Jun 04, 2026

Trading the Move, Not the Narrative: (GLSI) Edition - Stock Traders Daily

Jun 04, 2026
pulisher
Jun 04, 2026

Greenwich LifeSciences, Inc. Reports Earnings Results for the First Quarter Ended March 31, 2026 - marketscreener.com

Jun 04, 2026
pulisher
Jun 03, 2026

Greenwich LifeSciences (GLSI) loss widens as ATM equity raises fund trials - Stock Titan

Jun 03, 2026
pulisher
Jun 03, 2026

What’s Driving GLSI Stock Today? - Stocktwits

Jun 03, 2026
pulisher
Jun 02, 2026

These 10 small-cap U.S. healthcare companies carry the market's most expensive valuations - Seeking Alpha

Jun 02, 2026
pulisher
Jun 02, 2026

Greenwich LifeSciences, Inc. 2024 Annual Report: Breast Cancer Immunotherapy Pipeline, Clinical Trials, and Regulatory Risks - minichart.com.sg

Jun 02, 2026
pulisher
Jun 01, 2026

GREENWICH LIFESCIENCES ($GLSI) Releases Q4 2025 Earnings - Quiver Quantitative

Jun 01, 2026
pulisher
Jun 01, 2026

Greenwich LifeSciences FY 2025: Net loss $19.4M, No revenue — 10-K Summary - TradingView

Jun 01, 2026
pulisher
Jun 01, 2026

Greenwich LifeSciences, Inc. Reports Earnings Results for the Full Year Ended December 31, 2025 - marketscreener.com

Jun 01, 2026
pulisher
Jun 01, 2026

Greenwich LifeSciences delays 10-K filing, cites audit coordination By Investing.com - Investing.com Nigeria

Jun 01, 2026
pulisher
Jun 01, 2026

Greenwich LifeSciences presents immune response data at ASCO - Investing.com

Jun 01, 2026
pulisher
Jun 01, 2026

Greenwich LifeSciences presents immune response data at ASCO By Investing.com - Investing.com South Africa

Jun 01, 2026
pulisher
Jun 01, 2026

Breast cancer trial: GLSI-100 shots spark injection-site reactions over time - Stock Titan

Jun 01, 2026
pulisher
Jun 01, 2026

GLSI Stock Climbs After Removing A Key Overhang – Retail Turns Focus To High-Stakes Breast Cancer Trial - TradingView

Jun 01, 2026
pulisher
Jun 01, 2026

Greenwich LifeSciences Says Audit of 2025 Form 10-K Filing in Final Stages of Approval - Moomoo

Jun 01, 2026
pulisher
Jun 01, 2026

Greenwich Lifesciences Provides Update Regarding Form 10-K Filing - TradingView

Jun 01, 2026
pulisher
Jun 01, 2026

Greenwich LifeSciences updates on Form 10-K filing progress - Traders Union

Jun 01, 2026
pulisher
Jun 01, 2026

Greenwich LifeSciences Provides Update Regarding Form 10-K Filing - The Manila Times

Jun 01, 2026
pulisher
Jun 01, 2026

Greenwich LifeSciences, Inc. Provides Update on 2025 Form 10-K Filing and Phase III Clinical Trial Progress - Quiver Quantitative

Jun 01, 2026
pulisher
Jun 01, 2026

Greenwich LifeSciences delays 10-K filing, cites audit coordination - Investing.com

Jun 01, 2026
pulisher
Jun 01, 2026

Breast cancer trial firm details audit delay, $10.5M cash - Stock Titan

Jun 01, 2026
pulisher
Jun 01, 2026

Auddia’s Discovr Radio Forms AI-Driven Partnership With Beatcave to Expand Independent Artist Discovery Across Canada - Weekly Voice

Jun 01, 2026
pulisher
May 31, 2026

Greenwich LifeSciences, Inc. Auditor Raises 'Going Concern' Doubt - marketscreener.com

May 31, 2026
pulisher
May 29, 2026

Greenwich LifeSciences (GLSI) Drops Nearly 10%: Key Support and Resistance Levels in FocusInsider Selling Alerts - The Legal Advocate

May 29, 2026
pulisher
May 29, 2026

GLSI Q3 2025 Earnings: Narrower-than-Expected Loss as Biotech Advances Clinical PipelineLow Growth Earnings - newsline.com

May 29, 2026
pulisher
May 28, 2026

Greenwich LifeSciences (GLSI) Slips Marginally as Stock Holds Above Key SupportIchimoku Kumo Twist - The Legal Advocate

May 28, 2026
pulisher
May 28, 2026

Greenwich LifeSciences Inc. (GLSI) Q3 2025 Earnings: Narrowed Loss Highlights Progress in Immunotherapy DevelopmentQuarterly Earnings - newsline.com

May 28, 2026
pulisher
May 27, 2026

Greenwich LifeSciences (GLSI) Surges 7% as Biotech Momentum BuildsHigh Dividend Factor - newsline.com

May 27, 2026
pulisher
May 26, 2026

GLSI Technical Analysis | Trend, Signals & Chart Patterns | GREENWICH LIFESCIENCES INC (NASDAQ:GLSI) - ChartMill

May 26, 2026
pulisher
May 25, 2026

Greenwich LifeSciences Inc. (GLSI) Edges Higher as Shares Approach Key ResistanceDouble EMA - The Legal Advocate

May 25, 2026
pulisher
May 24, 2026

(GLSI) Volatility Zones as Tactical Triggers - Stock Traders Daily

May 24, 2026
pulisher
May 23, 2026

Greenwich LifeSciences receives Nasdaq notice regarding late Form 10-Q filing - MSN

May 23, 2026
pulisher
May 22, 2026

Greenwich LifeSciences receives Nasdaq noncompliance notice By Investing.com - Investing.com Nigeria

May 22, 2026
pulisher
May 22, 2026

Greenwich LifeSciences: Announces Receipt of Nasdaq Notice Regarding Late Form 10-Q Filing - Moomoo

May 22, 2026
pulisher
May 22, 2026

Greenwich LifeSciences receives Nasdaq noncompliance notice - Investing.com

May 22, 2026
pulisher
May 22, 2026

Ultragenyx Reports Inducement Grant Under Nasdaq Listing Rule 5635(c)(4) - Weekly Voice

May 22, 2026
pulisher
May 22, 2026

Greenwich LifeSciences Announces Receipt of Nasdaq Notice Regarding Late Form 10-Q Filing - Weekly Voice

May 22, 2026
pulisher
May 15, 2026

Greenwich Lifesciences Inc expected to post a loss of 32 cents a shareEarnings Preview - TradingView

May 15, 2026
pulisher
May 13, 2026

Price-Driven Insight from (GLSI) for Rule-Based Strategy - Stock Traders Daily

May 13, 2026
pulisher
May 09, 2026

Greenwich LifeSciences (NASDAQ:GLSI) Upgraded by Wall Street Zen to Hold Rating - MarketBeat

May 09, 2026
pulisher
May 08, 2026

Greenwich LifeSciences (GLSI) shares fall 3% despite tiny EPS beat; investors demand clinical progress updates. - newser.com

May 08, 2026
pulisher
May 02, 2026

(GLSI) Price Dynamics and Execution-Aware Positioning - Stock Traders Daily

May 02, 2026
pulisher
Apr 30, 2026

Greenwich LifeSciences delays annual report filing - Investing.com UK

Apr 30, 2026

Greenwich Lifesciences Inc Stock (GLSI) Financials Data

Revenue

loading

Net Income

loading

Cash Flow

loading

EPS

loading
$97.46
price down icon 0.40%
$30.03
price down icon 0.03%
$90.80
price up icon 0.29%
$54.27
price down icon 1.09%
ONC ONC
$268.20
price up icon 1.41%
$160.06
price up icon 4.02%
Cap:     |  Volume (24h):