SymbolGLSI
NameGREENWICH LIFESCIENCES, INC.
SectorHEALTH CARE
RegionNorth America
IndustryBiotechnology: Pharmaceutical Preparations
Address3992 BLUEBONNET DRIVE,BUILDING 14, STAFFORD, Texas, 77477, United States
Telephone+1 832 819-3232
Fax
Email
Websitehttps://www.greenwichlifesciences.com
IncorporationUNDEFINED
Incorporated On
Employees
Fiscal Year
Public Since
ExchangesNASDAQ
Auditor
Audit StatusNOT PROVIDED
Reporting Status
CIK0001799788
Description

Greenwich LifeSciences Inc is a biopharmaceutical company that is developing GP2, an immunotherapy designed to prevent the recurrence of breast cancer following surgery. 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 most breast cancers at low, intermediate, and high or overexpressor levels.

Additional info from NASDAQ:
Greenwich LifeSciences Inc is a biopharmaceutical company that is developing GP2, an immunotherapy designed to prevent the recurrence of breast cancer following surgery. 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 most breast cancers at low, intermediate, and high or overexpressor levels.

2026-08-10 10:00

Greenwich LifeSciences Extends Lock-up of Directors and Officers to January 31, 2027

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2026-08-10 10:00

Greenwich LifeSciences Extends Lock-up of Directors and Officers to January 31, 2027

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2026-07-30 10:05

Director Patel Snehal 🟢 acquired 2.2K shares of Greenwich LifeSciences, Inc. (GLSI) at $13.59 Transaction Date: Jul 28, 2026 | Filing ID: 035310

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2026-07-29 10:05

Director Patel Snehal 🟢 acquired 1.5K shares of Greenwich LifeSciences, Inc. (GLSI) at $13.62 Transaction Date: Jul 27, 2026 | Filing ID: 035085

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2026-07-27 10:15

Director Patel Snehal 🟢 acquired 3.6K shares of Greenwich LifeSciences, Inc. (GLSI) at $13.14 Transaction Date: Jul 23, 2026 | Filing ID: 034675

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2026-07-22 10:00

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

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2026-07-22 10:00

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

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2026-07-20 10:00

Greenwich LifeSciences Provides Clinical Updates on FLAMINGO-01

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2026-07-20 10:00

Greenwich LifeSciences Provides Clinical Updates on FLAMINGO-01

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2026-07-16 11:30

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

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Trial ID Title Phase Indication Status Start Date Completion Date Source
NCT05232916 Phase 3 Study to Evaluate the Efficacy and Safety of HER2/Neu Peptide GLSI-100 … Phase3 Breast Cancer Recruiting 2022-12-16 2031-12-01 ClinicalTrials.gov
Total clinical trials: 1
Product Name Type Development Stage Therapeutic Area Study Status Trial ID
GLSI-100 Other Phase PHASE3 Breast Cancer RECRUITING NCT05232916
Placebo Other Phase PHASE3 Breast Cancer RECRUITING NCT05232916
GLSI-100 Other Phase PHASE3 Breast Cancer RECRUITING NCT05232916
Placebo Other Phase PHASE3 Breast Cancer RECRUITING NCT05232916
GLSI-100 Other Phase PHASE3 Breast Cancer RECRUITING NCT05232916
Placebo Other Phase PHASE3 Breast Cancer RECRUITING NCT05232916
GLSI-100 BIOLOGICAL Phase PHASE3 Breast Cancer RECRUITING NCT05232916
Placebo BIOLOGICAL Phase PHASE3 Breast Cancer RECRUITING NCT05232916
Total products: 8