Greenwich LifeSciences, Inc. (GLSI)

NASDAQ: GLSI · Real-Time Price · USD
22.86
-0.76 (-3.22%)
At close: May 8, 2026, 4:00 PM EDT
22.50
-0.36 (-1.57%)
After-hours: May 8, 2026, 5:59 PM EDT
Market Cap316.71M +142.2%
Revenue (ttm)n/a
Net Income-19.48M
EPS-1.46
Shares Out 13.85M
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume64,860
Open23.14
Previous Close23.62
Day's Range22.86 - 24.01
52-Week Range7.78 - 34.10
Beta1.38
AnalystsStrong Buy
Price Target50.00 (+118.72%)
Earnings DateMay 19, 2026

About GLSI

Greenwich LifeSciences, Inc., a clinical-stage biopharmaceutical company, develops novel cancer immunotherapies for breast cancer and other HER2/neu-expressing cancers in the United States and Romania. Its lead product candidate is GP2, an immunotherapy, which is in Phase III clinical trial to prevent breast cancer recurrences in patients who have previously undergone surgery. The company also develops FLAMINGO-01, which is in Phase III clinical trial designed to evaluate the safety and efficacy of GLSI-100 (GP2 + GM-CSF) in HER2 positive breas... [Read more]

Industry Biotechnology
Sector Healthcare
IPO Date Sep 25, 2020
Employees 8
Stock Exchange NASDAQ
Ticker Symbol GLSI
Full Company Profile

Financial Performance

Financial Statements

Analyst Summary

According to one analyst, the rating for GLSI stock is "Strong Buy" and the 12-month stock price target is $50.0.

Price Target
$50.0
(118.72% upside)
Analyst Consensus: Strong Buy
Stock Forecasts

News

Greenwich LifeSciences says Form 10-K ‘still being audited’

Greenwich LifeSciences (GLSI) provided an update on its Form 10-K filing for the fiscal year ending December 31, 2025. The Form 10-K for the fiscal year ending December 31, 2025

8 days ago - TheFly

Greenwich LifeSciences Provides Update Regarding Form 10-K Filing

STAFFORD, Texas, April 30, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLA...

8 days ago - GlobeNewsWire

Greenwich LifeSciences Announces Acceptance of Abstract at ASCO 2026

STAFFORD, Texas, April 23, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLA...

15 days ago - GlobeNewsWire

Greenwich LifeSciences receives noncompliance notification from Nasdaq

Greenwich LifeSciences announced that on April 16, the company received notification from Nasdaq notifying the company that, because it has not yet filed its annual report on Form 10-K for

16 days ago - TheFly

Greenwich LifeSciences Announces Receipt of Nasdaq Notice Regarding Late Form 10-K Filing

STAFFORD, Texas, April 22, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLA...

16 days ago - GlobeNewsWire

Greenwich LifeSciences presents Flamingo-01 Phase 3 results from AACR 2026

Greenwich LifeSciences (GLSI) focused on its Phase III clinical trial, FLAMINGO-01 presents the published abstract and poster from the AACR Meeting 2026. This is the first abstract and poster presente...

18 days ago - TheFly

Greenwich LifeSciences Presents FLAMINGO-01 Phase III Trial Open Label Data Published at AACR Meeting 2026

STAFFORD, Texas, April 20, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLA...

18 days ago - GlobeNewsWire

Greenwich LifeSciences reports cash balance of $10.5M as of March 31

Greenwich LifeSciences (GLSI) provided additional updates on its financing strategy. The company’s ATM financing vehicle allows the company to sell its common stock directly into the trading market at...

24 days ago - TheFly

Greenwich LifeSciences Provides Update on Financing Strategy

STAFFORD, Texas, April 14, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLA...

24 days ago - GlobeNewsWire

Greenwich LifeSciences updates on new patent claims based on FLAMINGO-01

Greenwich LifeSciences (GLSI) provided an update on new patent claims based on FLAMINGO-01 statistically significant open label immune response and recurrence rate data. Statistically significant immu...

4 weeks ago - TheFly

Greenwich LifeSciences Provides Update on Patent Claims Potentially Doubling GP2 Market Potential

STAFFORD, Texas, April 07, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLA...

4 weeks ago - GlobeNewsWire

Greenwich LifeSciences adds City of Hope to FLAMINGO-01 trial

Greenwich LifeSciences (GLSI) announced the initiation of new clinical sites in the US. The Phase III clinical trial has recently been activated at City of Hope, one of the largest

7 weeks ago - TheFly

Greenwich LifeSciences Announces Addition of City of Hope to FLAMINGO-01

STAFFORD, Texas, March 19, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLA...

7 weeks ago - GlobeNewsWire

Greenwich LifeSciences provides update on presentations at AACR Meeting 2026

Greenwich LifeSciences (GLSI) provided an update on the upcoming AACR Meeting 2026. Two abstracts and two posters were accepted for presentation. On April 20, 2-5pm Greenwich will present a Preliminar...

7 weeks ago - TheFly

Greenwich LifeSciences Provides Update on Upcoming AACR Meeting

STAFFORD, Texas, March 18, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLA...

7 weeks ago - GlobeNewsWire

Greenwich LifeSciences’ GLSI-100 reduces recurrence rate in Phase 3 trial

Greenwich LifeSciences (GLSI), focused on its Phase III clinical trial, FLAMINGO-01, which is evaluating GLSI-100, an immunotherapy to prevent breast cancer recurrences, provided a preliminary update ...

7 weeks ago - TheFly

Greenwich LifeSciences Provides Update Showing Continued Reduction in Recurrence Rate in the Open Label Arm of FLAMINGO-01

STAFFORD, Texas, March 17, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLA...

7 weeks ago - GlobeNewsWire

Greenwich announces use of commercially manufactured GP2 in FLAMINGO-01

Greenwich LifeSciences (GLSI) provided the following update on the use of commercially manufactured GP2 in FLAMINGO-01. The Company previously announced that the first three commercial lots of GP2 act...

7 weeks ago - TheFly

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

STAFFORD, Texas, March 16, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLA...

7 weeks ago - GlobeNewsWire

Greenwich LifeSciences provides update on screen rate in FLAMINGO-01 trial

Greenwich LifeSciences (GLSI), focused on its Phase III clinical trial, FLAMINGO-01, which is evaluating Fast Track designated GLSI-100, an immunotherapy to prevent breast cancer recurrences, provided...

2 months ago - TheFly

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

STAFFORD, Texas, March 03, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLA...

2 months ago - GlobeNewsWire

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

STAFFORD, Texas, Feb. 24, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLAM...

2 months ago - GlobeNewsWire

Greenwich LifeSciences provides financial update on FLAMINGO-01 Phase 3 trial

Greenwich LifeSciences (GLSI) provided additional updates on its cash burn rate and financing strategy for its Phase III clinical trial, FLAMINGO-01, which is evaluating Fast Track designated GLSI-100...

3 months ago - TheFly

Greenwich LifeSciences Provides Update on FLAMINGO-01 Cash Burn Rate and Financing Strategy

STAFFORD, Texas, Jan. 27, 2026 (GLOBE NEWSWIRE) -- Greenwich LifeSciences, Inc. (Nasdaq: GLSI) (the "Company"), a clinical-stage biopharmaceutical company focused on its Phase III clinical trial, FLAM...

3 months ago - GlobeNewsWire

Greenwich LifeSciences’ GP2 breast cancer therapy approved by FDA

Greenwich LifeSciences (GLSI) provided an update on the use of commercially manufactured GP2 in its Phase 3 clinical trial FLAMINGO-01. GP2 is an immunotherapy to prevent breast cancer recurrences in

3 months ago - TheFly