Greenwich Lifesciences Inc (GLSI) Stock Price, Quote & News

Company Profile

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. Its lead product candidate is GP2, a HER2/neu transmembrane peptide, which is in Phase III clinical trial to prevent breast cancer recurrences in patients. The company also develops FLAMINGO-01, which is in Phase IIb and 3 Phase I clinical trial designed to evaluate the safety and efficacy of GLSI-100 in HER2...

Industry: Biotechnology

Sector: Healthcare

Phone: 832-819-3232

Website: greenwichlifesciences.com

Address:

Building 14, 3992 Bluebonnet Dr., Stafford, United States

Rolltide2020 Jul. 4 at 8:25 PM

$GLSI Happy America 250!! Hopefully we will be celebrating GLSI 250 soon.

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crypto_biotech Jul. 3 at 12:21 PM

$GLSI does not need full enrollment of the randomized arms to trigger or conduct the planned interim analysis on 14 events. The interim is explicitly event-driven, not enrollment-driven. With that- results should be soon and so I am sticking with my timeline.

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mshah1615 Jul. 2 at 10:48 PM

$GLSI Can’t resist

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crypto_biotech Jul. 2 at 5:47 PM

$GLSI I think we get interim this month or end of August at the latest.

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Aaodania Jul. 2 at 4:45 PM

$GLSI Do they have any cash? Just 10m?

1 · Reply

LIGator Jul. 2 at 4:30 PM

$GLSI I find it absolutely disgusting that the stock could be down 6.5% on volume of less than 31,000 shares. That’s.002% of shares outstanding today knocking $22M in market value

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Stock_profit_03 Jul. 2 at 3:20 PM

$GLSI scooped in few more shares in search of Snehal. Its been so long since I heard from him 🫡

1 · Reply

howardlindzon Jul. 2 at 2:49 PM

best looking charts in healthcare $ABBV $ARWR $GLSI $JNJ $LLY

0 · Reply

Katkimkimkim Jul. 2 at 2:08 PM

$GLSI not gonna lie, jealous of sls folks. Hope our time comes soon.

2 · Reply

Rolltide2020 Jul. 1 at 8:02 PM

$GLSI Like I said yesterday, will take $0.21 every day (with a $0.02 bonus today - even better).

1 · Reply

Greenwich LifeSciences Quarterly report: Q1 2026

2026-06-01T14:32:25.000Z - 4 weeks ago

Greenwich LifeSciences presents FLAMINGO-01 data at ASCO

Jun 1, 2026, 8:15 AM EDT - 4 weeks ago

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

Jun 1, 2026, 8:00 AM EDT - 4 weeks ago

Greenwich LifeSciences Annual report: Q4 2025

2026-06-01T10:21:46.000Z - 4 weeks ago

Greenwich LifeSciences provides update on 10-K filing

Jun 1, 2026, 6:00 AM EDT - 4 weeks ago

Greenwich LifeSciences Provides Update Regarding Form 10-K Filing

May 22, 2026, 4:30 PM EDT - 6 weeks ago

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

2026-04-30T10:11:17.000Z - 2 months ago

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

Apr 23, 2026, 6:00 AM EDT - 2 months ago

Greenwich LifeSciences Announces Acceptance of Abstract at ASCO 2026

2026-04-22T21:05:16.000Z - 2 months ago

Greenwich LifeSciences receives noncompliance notification from Nasdaq

Apr 22, 2026, 5:00 PM EDT - 2 months ago

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

2026-04-20T10:17:19.000Z - 2 months ago

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

Apr 20, 2026, 6:00 AM EDT - 2 months ago

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

2026-04-14T10:21:37.000Z - 2 months ago

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

Apr 14, 2026, 6:00 AM EDT - 2 months ago

Greenwich LifeSciences Provides Update on Financing Strategy

2026-04-07T10:06:43.000Z - 3 months ago

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

Apr 7, 2026, 6:00 AM EDT - 3 months ago

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

2026-03-19T10:12:27.000Z - 3 months ago

Greenwich LifeSciences adds City of Hope to FLAMINGO-01 trial

Mar 19, 2026, 6:00 AM EDT - 3 months ago

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

2026-03-18T10:11:20.000Z - 3 months ago

Greenwich LifeSciences provides update on presentations at AACR Meeting 2026

Mar 18, 2026, 6:00 AM EDT - 3 months ago

Greenwich LifeSciences Provides Update on Upcoming AACR Meeting

2026-03-17T10:21:32.000Z - 3 months ago

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

Mar 17, 2026, 6:00 AM EDT - 3 months ago

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

2026-03-16T10:32:26.000Z - 3 months ago

Greenwich announces use of commercially manufactured GP2 in FLAMINGO-01

Mar 16, 2026, 6:00 AM EDT - 3 months ago

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

2026-03-03T11:05:58.000Z - 4 months ago

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

Mar 3, 2026, 6:00 AM EST - 4 months ago

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

Feb 24, 2026, 6:00 AM EST - 4 months ago

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

2026-01-27T11:11:03.000Z - 5 months ago

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

Jan 27, 2026, 6:00 AM EST - 5 months ago

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

2026-01-22T11:21:40.000Z - 5 months ago

Greenwich LifeSciences’ GP2 breast cancer therapy approved by FDA

Jan 22, 2026, 6:00 AM EST - 5 months ago

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

2025-12-30T11:10:33.000Z - 6 months ago

Greenwich LifeSciences price target raised to $50 from $39 at H.C. Wainwright

2025-12-29T11:15:15.000Z - 6 months ago

Greenwich LifeSciences extends lock-up of directors, officers to September 30

Dec 29, 2025, 6:00 AM EST - 6 months ago

Greenwich LifeSciences Extends Lock-up of Directors and Officers to September 30, 2026

2025-12-22T11:21:11.000Z - 6 months ago

Greenwich LifeSciences says burn rate for 2025 $7M through first three quarters

Dec 22, 2025, 6:00 AM EST - 6 months ago

Greenwich LifeSciences Provides Additional Updates on FLAMINGO-01 and Corporate Strategy

2025-12-15T11:16:50.000Z - 7 months ago

Greenwich announces 80% recurrence rate reduction in FLAMINGO-01 arm

Dec 15, 2025, 6:00 AM EST - 7 months ago

Greenwich LifeSciences Announces Preliminary Analysis Showing 80% Recurrence Rate Reduction in the Open Label Arm of FLAMINGO-01

2025-12-08T11:10:12.000Z - 7 months ago

Greenwich LifeSciences: Enrollment complete in open label arm oFLAMINGO-01 trial

Dec 8, 2025, 6:00 AM EST - 7 months ago

Greenwich LifeSciences Announces Completion of Enrollment in the Open Label Arm of FLAMINGO-01

Dec 3, 2025, 7:00 AM EST - 7 months ago

Greenwich LifeSciences Transcript: Noble Conference

Dec 3, 2025, 6:00 AM EST - 7 months ago

Greenwich LifeSciences Provides Global Update on FLAMINGO-01, Screening Over 1,000 Patients to Date

Nov 14, 2025, 7:00 AM EST - 8 months ago

Greenwich LifeSciences Quarterly report: Q3 2025

Nov 3, 2025, 7:00 AM EST - 8 months ago

Greenwich LifeSciences Proxy statement: Proxy filing

Nov 3, 2025, 7:00 AM EST - 8 months ago

Greenwich LifeSciences Proxy statement: Proxy filing

Oct 9, 2025, 6:00 AM EDT - 9 months ago

Greenwich LifeSciences Announces Addition of Austria to Flamingo-01 Clinical Trial

Oct 2, 2025, 6:00 AM EDT - 9 months ago

Greenwich LifeSciences Announces Expansion of Flamingo-01 Clinical Trial to Belgium

Sep 30, 2025, 6:00 AM EDT - 9 months ago

Greenwich LifeSciences Announces Addition of Portugal to Flamingo-01 Clinical Trial

Sep 18, 2025, 6:00 AM EDT - 10 months ago

Greenwich LifeSciences Announces Expansion of Flamingo-01 Clinical Trial to Ireland

Sep 10, 2025, 6:00 AM EDT - 10 months ago

Greenwich LifeSciences' GLSI-100 Granted US FDA Fast Track Designation

Aug 20, 2025, 9:25 AM EDT - 11 months ago

Noble Capital Markets Initiates Equity Research Coverage on Greenwich LifeSciences

Aug 19, 2025, 6:00 AM EDT - 11 months ago

Greenwich LifeSciences Announces Plan to Build Out Internal Clinical Operations Team

Aug 14, 2025, 8:00 AM EDT - 11 months ago

Greenwich LifeSciences Quarterly report: Q2 2025

Aug 13, 2025, 6:00 AM EDT - 11 months ago

Greenwich LifeSciences Announces Expansion of Flamingo-01 into Romania

Aug 11, 2025, 6:00 AM EDT - 11 months ago

Greenwich LifeSciences Provides Update on CEO Interviews & Corporate Events

Jun 15, 2025, 7:00 AM EDT - 1 year ago

Greenwich LifeSciences Slides: Corporate presentation

May 20, 2025, 8:00 AM EDT - 1 year ago

Greenwich LifeSciences Quarterly report: Q1 2025

Apr 15, 2025, 8:00 AM EDT - 1 year ago

Greenwich LifeSciences Annual report: Q4 2024

Apr 3, 2025, 8:00 AM EDT - 1 year ago

Greenwich LifeSciences Provides Global Update on FLAMINGO-01

Apr 2, 2025, 6:00 AM EDT - 1 year ago

Greenwich LifeSciences Announces Positive Immune Response Data from FLAMINGO-01 Phase III Clinical Trial

Mar 27, 2025, 6:00 AM EDT - 1 year ago

Greenwich LifeSciences Extends Lock-up of Directors and Officers to March 31, 2026

Mar 17, 2025, 6:45 AM EDT - 1 year ago

Greenwich LifeSciences Provides Update on Open Label Safety Data from FLAMINGO-01

Feb 10, 2025, 6:00 AM EST - 1 year ago

Greenwich LifeSciences Provides Update on Open Label HLA Data from FLAMINGO-01

Jan 29, 2025, 6:00 AM EST - 1 year ago

Greenwich LifeSciences Approved to Add Additional Sites to FLAMINGO-01 in Europe

Jan 27, 2025, 6:00 AM EST - 1 year ago

Greenwich LifeSciences Announces Activation of Flamingo-01 in Poland

Jan 23, 2025, 6:00 AM EST - 1 year ago

Greenwich LifeSciences Announces Additions of Harvard and Johns Hopkins to Flamingo-01

Jan 22, 2025, 6:00 AM EST - 1 year ago

Greenwich LifeSciences Provides Update on Commercial Manufacturing

Jan 14, 2025, 6:15 AM EST - 1 year ago

Greenwich LifeSciences Announces Partnership with GBG in Germany for Flamingo-01

Nov 26, 2024, 6:00 AM EST - 1 year ago

Greenwich LifeSciences Partners with GIM in Italy

Nov 18, 2024, 6:00 AM EST - 1 year ago

Greenwich LifeSciences Provides Update on Corporate Events

Nov 14, 2024, 7:00 AM EST - 1 year ago

Greenwich LifeSciences Quarterly report: Q3 2024

Nov 1, 2024, 8:00 AM EDT - 1 year ago

Greenwich LifeSciences Proxy statement: Proxy filing

Nov 1, 2024, 8:00 AM EDT - 1 year ago

Greenwich LifeSciences Proxy statement: Proxy filing

Oct 7, 2024, 8:00 AM EDT - 1 year ago

Greenwich LifeSciences Registration statement: Registration filing

Aug 14, 2024, 8:00 AM EDT - 2 years ago

Greenwich LifeSciences Quarterly report: Q2 2024

Aug 1, 2024, 6:00 AM EDT - 2 years ago

Greenwich LifeSciences Provides Update on Expansion of Flamingo-01 into Spain

Jun 26, 2024, 7:33 AM EDT - 2 years ago

Greenwich LifeSciences Set to Join Russell 2000 Index Again

Jun 14, 2024, 6:00 AM EDT - 2 years ago

Greenwich LifeSciences Announces $2.5 Million Private Placement

Jun 4, 2024, 7:00 AM EDT - 2 years ago

Greenwich LifeSciences Transcript: Virtual Equity Conference

May 20, 2024, 8:00 AM EDT - 2 years ago

Greenwich LifeSciences Quarterly report: Q1 2024

Apr 15, 2024, 8:00 AM EDT - 2 years ago

Greenwich LifeSciences Annual report: Q4 2023

Mar 13, 2024, 6:00 AM EDT - 2 years ago

Greenwich LifeSciences Extends Lock-up of Directors and Officers to June 30, 2025

Mar 12, 2024, 6:00 AM EDT - 2 years ago

Greenwich LifeSciences Partners with GEICAM in Spain & Conducts First Site Initiation Visits in Europe

Feb 27, 2024, 6:00 AM EST - 2 years ago

Greenwich LifeSciences Flamingo-01 Phase III Clinical Trial Approved to Expand into Five Largest European Countries

Feb 22, 2024, 6:00 AM EST - 2 years ago

Greenwich LifeSciences Flamingo-01 Manufacturing & Protocol Accepted by European Regulators

Rolltide2020 Jul. 4 at 8:25 PM

$GLSI Happy America 250!! Hopefully we will be celebrating GLSI 250 soon.

0 · Reply

crypto_biotech Jul. 3 at 12:21 PM

1 · Reply

mshah1615 Jul. 2 at 10:48 PM

$GLSI Can’t resist

1 · Reply

crypto_biotech Jul. 2 at 5:47 PM

$GLSI I think we get interim this month or end of August at the latest.

2 · Reply

Aaodania Jul. 2 at 4:45 PM

$GLSI Do they have any cash? Just 10m?

1 · Reply

LIGator Jul. 2 at 4:30 PM

$GLSI I find it absolutely disgusting that the stock could be down 6.5% on volume of less than 31,000 shares. That’s.002% of shares outstanding today knocking $22M in market value

1 · Reply

Stock_profit_03 Jul. 2 at 3:20 PM

$GLSI scooped in few more shares in search of Snehal. Its been so long since I heard from him 🫡

1 · Reply

howardlindzon Jul. 2 at 2:49 PM

best looking charts in healthcare $ABBV $ARWR $GLSI $JNJ $LLY

0 · Reply

Katkimkimkim Jul. 2 at 2:08 PM

$GLSI not gonna lie, jealous of sls folks. Hope our time comes soon.

2 · Reply

Rolltide2020 Jul. 1 at 8:02 PM

$GLSI Like I said yesterday, will take $0.21 every day (with a $0.02 bonus today - even better).

1 · Reply

mshah1615 Jul. 1 at 7:46 PM

$GLSI Block trade pass 11,000 and traded as high 24.28

1 · Reply

HiLowGo Jul. 1 at 7:32 PM

$GLSI Well that is spicy!!

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Whiskeyunderthebed Jul. 1 at 7:32 PM

$GLSI nice ending-totally surprised.

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msgbrdinfo Jul. 1 at 5:53 PM

$GLSI Rinse and repeat losers doing their manipulating. If you sell your shares, they will buy to cover and you will see the price go back up and maybe realize they be taking your money for years probably. The SEC allows this because they in bed with hedge funds etc. Something like that..😆

1 · Reply

Whiskeyunderthebed Jul. 1 at 4:17 PM

$GLSI I believe the short interest reported has come down significantly now at 19.78%-can someone verify what it was last month?

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55X_ROI_Q1_2026 Jul. 1 at 2:40 PM

$SLS $GLSI $LLY

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BobJohnBuoy666 Jun. 30 at 8:20 PM

$GLSI sneaky bastard, gotta be careful on these low floats

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mshah1615 Jun. 30 at 7:55 PM

$GLSI something will pop up .SP will extend lock up on share or big news will come soon

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Whiskeyunderthebed Jun. 30 at 7:52 PM

$GLSI just following the XBI today...

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Toontje1 Jun. 30 at 7:36 PM

$GLSI Most of the time we give back our gains during they day… now we don’t. A new chapter ?

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jm4 Jun. 30 at 7:09 PM

$GLSI Phase III looks great so far

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Toontje1 Jun. 30 at 6:22 PM

$GLSI something is up. A lot of big buys…

2 · Reply

Market Cap	322.92M
Revenue (ttm)	0.00
Net Income (ttm)	-19.36M
EPS (ttm)	N/A
PE Ratio	0.00
Forward PE	N/A
Profit Margin	0.00%
Debt to Equity Ratio	0.00

Volume	101,500
Avg Vol	140,018
Day's Range	N/A - N/A
Shares Out	14.68M
Stochastic %K	68%
Beta	1.40
Analysts	Strong Sell
Price Target	$47.50