Greenwich LifeSciences, Inc. GLSI

Healthcare SIC 2834 - Pharmaceutical Preparations Nasdaq

are a clinical-stage biopharmaceutical company focused on our 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% 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. We are currently expanding Flamingo-01

Last close 15.95 2026-09-04
Market cap $234.1M 2026-06-30 share count
52-week range 7.78 - 34.10

Valuation FY2025 figures against the last close

P/S
P/E
P/FCF
EV/EBITDA
Dividend yield
Diluted EPS-1.43

Annual financial statements

Income statement

Fiscal year FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018
R&D $17.2M$15.5M$7.7M$6.5M$3.6M$1.1M$2.6M
SG&A $2.2M$2.2M$1.6M$1.6M$1.0M$806.2K$818.9K
Total operating expenses $19.4M$17.6M$9.3M$8.0M$4.6M$1.9M$3.4M
Operating income -$19.4M-$17.6M-$9.3M-$8.0M-$4.6M-$1.9M-$3.4M
Net income -$19.4M-$17.4M-$8.9M-$7.8M-$4.6M-$1.9M-$3.4M
EPS, basic -1.43-1.34-0.69-0.61-0.35
EPS, diluted -1.43-1.34-0.69-0.61-0.35-0.20-1.52
Shares, diluted (wtd. avg.) $13.5M$13.0M$12.8M$12.9M

Balance sheet

Fiscal year FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018
Cash and equivalents $6.2M$4.1M$7.0M$13.5M$27.2M$28.7M$6.8K
Total current assets $6.2M$4.1M$28.7M$6.8K
Other intangibles $1.8K$5.4K$9.0K$12.6K$16.2K$19.8K
Total assets $6.2M$4.1M$7.0M$13.5M$27.2M$28.7M$26.7K
Accounts payable $4.9M$2.8M$256.3K$220.8K$220.8K$711.0K$730.3K
Total current liabilities $5.8M$3.2M$294.4K$262.9K$385.2K$1.0M$1.4M
Total liabilities $2.5M$3.2M$294.4K$262.9K$385.2K$1.0M$1.4M
Retained earnings -$87.1M-$67.8M-$50.4M-$41.5M-$33.6M-$29.1M-$27.2M
Total equity $353.2K$908.6K$6.7M$13.2M$26.8M$27.6M-$1.4M-$10.1M

Cash flow

Fiscal year FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018
Operating cash flow -$9.9M-$7.3M-$6.5M-$6.2M-$4.3M-$1.2M-$293.3K
Stock-based compensation $6.8M$7.3M$2.4M$1.7M$660.6K$678.0K$194.9K
Financing cash flow $12.0M$4.4M-$7.5M$2.8M$29.8M$215.0K
Buybacks $7.5M

Figures as tagged in each year's own filing, in US dollars. A year restated by a later filing shows the restated figure. Capital expenditure, dividends and buybacks are cash out, shown positive. A line the filer does not report is not listed. Latest from accession 0001493152-26-026651.

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