GLSI — Greenwich LifeSciences, Inc.

Nasdaq · Health Care · Pharmaceuticals · CIK 1799788 ·
Last close
$13.50
Market Cap
$198.16M
52W High
$29.93
52W Low
$12.51
ADV30
176,376
Next earnings
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 positive breast cancer patients. Greenwich LifeSciences, Inc. was formerly known as Norwell, Inc. and changed its name to Greenwich LifeSciences, Inc. in March 2018. The company was incorporated in 2006 and is headquartered in Stafford, Texas.

Quarterly Fundamentals

Revenues vs Net Income (last 4 Q)

Assets vs Liabilities (last 4 Q)

PeriodRevenuesGrossProfit OpIncomeNetIncomeAssets CashLiabilities
Mar 2026 0 -5,725,754 -5,657,137 10,505,435 10,505,435 5,235,229
Dec 2025 0 -7,944,991 -7,922,733 6,178,021 6,178,021 5,824,804
Sep 2025 0 -4,174,642 -4,151,845 3,806,978 3,806,978 1,622,001
Jun 2025 0 -4,045,953 -4,025,278 3,125,101 3,125,101 1,685,609

Cashflow TTM (yfinance, fills SEC gap)

Operating CF
$-12,781,497
Investing CF
Financing CF
$20,536,973
CapEx
Dividends Paid
Buybacks
EPS Diluted TTM
$-1.20
As of
2026-06-07

Balance + Analyst (yfinance extras)

Retained Earnings
$-92,794,143
Inventory
Receivables
ST Investments
EBIT TTM
$-21,891,340
Pretax Income TTM
$-21,756,993
Interest Exp TTM
Analysts
2

Annual Trend (SEC EDGAR, last 4y)

Revenues vs Net Income (last 4y)

FY endRevenuesOpIncome NetIncomeAssetsLiabilities EquityOCF
Dec 2025 0 -19,447,918 -19,358,218 6,178,021 5,824,804 -9,913,453
Dec 2024 0 -17,637,227 -17,414,219 4,093,769 3,185,143 -7,266,543
Dec 2023 0 -9,327,866 -8,891,803 6,994,815 294,406 -6,478,602
Dec 2022 0 -8,040,254 -7,825,237 13,477,029 262,905 -6,200,027

TTM Snapshot

Revenues TTM
NetIncome TTM
OpCashFlow TTM
Assets (Latest)
Forward EPS
$-0.82

Peers — same industry

TickerNameMarket CapLastDaily %
KROS Keros Therapeutics, Inc. $199.30M $10.07
GALT GALECTIN THERAPEUTICS INC $195.59M $2.97
BCYC BICYCLE THERAPEUTICS PLC $194.44M $3.86
RNA Atrium Therapeutics, Inc. $194.15M $11.35
ANTX AN2 Therapeutics, Inc. $192.69M $5.35

News headlines (Yahoo Finance, 1h cache)

Greenwich LifeSciences Announces Approval to Expand FLAMINGO-01 into the United Kingdom
2026-07-22 10:00 · Yahoo
Greenwich LifeSciences Provides Clinical Updates on FLAMINGO-01
2026-07-20 10:00 · Yahoo
Greenwich LifeSciences Announces European Approval for Combining Both HLA Populations in FLAMINGO-01
2026-07-16 11:30 · Yahoo
Greenwich LifeSciences Announces European Approval for Use of Commercially Manufactured GP2 in FLAMINGO-01
2026-07-09 10:00 · Yahoo
Greenwich LifeSciences Presents FLAMINGO-01 Phase III Trial Open Label Data Published at ASCO Meeting 2026
2026-06-01 12:15 · Yahoo
GLSI Stock Climbs After Removing A Key Overhang – Retail Turns Focus To High-Stakes Breast Cancer Trial
2026-06-01 11:48 · Yahoo
Greenwich LifeSciences Provides Update Regarding Form 10-K Filing
2026-06-01 10:00 · Yahoo
Greenwich LifeSciences Announces Receipt of Nasdaq Notice Regarding Late Form 10-Q Filing
2026-05-22 20:30 · Yahoo
Greenwich LifeSciences Announces Acceptance of Abstract at ASCO 2026
2026-04-23 10:00 · Yahoo
Greenwich LifeSciences Presents FLAMINGO-01 Phase III Trial Open Label Data Published at AACR Meeting 2026
2026-04-20 10:00 · Yahoo

Recent Insider Activity

FiledTradeInsiderTitleType PriceQtyValue
2026-07-30 6:05:16 2026-07-28 Patel Snehal CEO, CFO, 10% P - Purchase 13.43 2200 29555
2026-07-27 6:15:15 2026-07-23 Patel Snehal CEO, CFO, 10% P - Purchase 13.06 3600 47018