Greenwich LifeSciences, Inc.

GLSI

Healthcare Biotechnology

EPS
+3.57%
Free cash flow
+13.1%

Quarter to June 2026, against a year earlier

15.17 0.52 +3.55%
Market cap
$222.7M
P/E
n/m
Fwd P/E
—
Dividend yield
—
F-score
n/a
ROIC
0.00%
Net debt / EBITDA
0.3×
Dividend safety
n/a

Insider Decisions last twelve months

Net bought
$437.2K
Trades
0 sells · 8 buys
Ownership
47.7%

Capital & Financial Ratios $m

Size
Market Cap 223
Revenue ttm —
Net income ttm (22)
Free cash flow ttm (12)
Net debt Q (9)
Valuation
P/E n/m
Forward P/E —
Price / sales n/m
Forward P/S Powerpack
Price / FCF n/m
Price / book 71.2 (above 6: high)
Financial health
Current ratio Q 1.5 (at or above 1.5: strong)
Debt / equity Q n/m
Interest coverage Q —
Growth
Revenue growth Q —
Operating income growth Q −6.7% (below 0%: shrinking)
EPS, this year −13.1% (below 0%: weak)
EPS, next year A +15.5% (at or above 15%: strong)
Revenue, next year A —
EPS, past 5 yrs —
EPS, next 5 yrs A −6.7% (below 0%: weak)

Green and red mark values outside typical ranges; (Q) is the latest quarter, (A) analysts’ estimates; n/m is not meaningful, as a P/E on a loss. How we judge →

Valuation vs history

P/B against its own 10 years 76.86%
10-year low 10-year high

Dividends

Yield
—
Annual rate
—
Payout ratio
—

Assets vs Liabilities $m

2023 2024 2025 Q'26
Cash 7 4 6 9
Receivables — — — —
Inventory — — — —
Other — — — —
7 4 6 9
2023 2024 2025 Q'26
Payables 0 3 5 5
ST’ Debt — — — —
Other 0 0 0 0
0 3 6 6

Compound Annual Growth %

10y 5y 3y
Sales — — —
Cash Flow — 0.00% 0.00%
Earnings — 0.00% 0.00%
Book Value — (58.19%) (70.10%)

Earnings Trends EPS, adjusted, against the consensus

EPS $

Mar Jun Sep Dec Year
’26 (0.39) (0.27) — — —
’25 (0.21) (0.28) (0.27) (0.58) (1.43)
’24 (0.19) (0.20) (0.20) (0.73) (1.34)
’23 (0.17) (0.13) (0.19) (0.21) (0.69)
’22 (0.15) (0.06) (0.18) (0.22) (0.61)
’21 (0.05) (0.06) (0.07) (0.18) (0.35)
’20 (0.03) (0.02) (0.03) (0.11) (0.20)
Fiscal quarters ending in the months shown.

Revenue $m

Year
Fiscal quarters ending in the months shown.

Operating Cash Flow $m

Mar Jun Sep Dec Year
’26 (5) (2) — — —
’25 (2) (2) (3) (3) (10)
’24 (2) (1) (3) (2) (7)
’23 (2) (1) (2) (2) (6)
’22 (2) (1) (2) (2) (6)
’21 (1) (1) (1) (2) (4)
’20 0 0 0 (1) (1)
Fiscal quarters ending in the months shown.

Free Cash Flow $m

Mar Jun Sep Dec Year
’26 (5) (2) — — —
’25 (2) (2) (3) (3) (10)
’24 (2) (1) (3) (2) (7)
’23 (2) (1) (2) (2) (6)
’22 (2) (1) (2) (2) (6)
’21 (1) (1) (1) (2) (4)
’20 0 0 0 (1) (1)
Fiscal quarters ending in the months shown.

Target Price Range

Analyst price targets

Recommendation Rating

1
1Buy 2 3Hold 4 5Sell

Ten years at a glance

Ten-year view Analyst estimates Powerpack
Group Line 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 TTM Jun ’26 Trend 10 yrs 2026e 2027e 2028e Next 3/yr
Income, $m
Income, $m Revenue — — — — — — — — — — — — — — — —
Gross margin, % — 0.00 0.00 0.00 0.00 0.00 0.00 — — — 0.00 0.0 pt
EBT — (2) (2) (3) (2) (5) (8) (9) (17) (19) (22) +36.9%
EBT margin, % — 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0 pt
Net income — 0 (2) (3) (2) (5) (8) (9) (17) (19) (22) n/m
Per share, $
Per share, $ Revenue — 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 n/m
Earnings — (0.13) (0.14) (1.52) (0.20) (0.35) (0.61) (0.69) (1.34) (1.43) (1.51) +35.0%
Cash flow — (0.01) (0.01) (0.13) (0.12) (0.33) (0.48) (0.50) (0.56) (0.73) (0.85) +70.4%
Capex — 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 n/m
Free cash flow — (0.01) (0.01) (0.13) (0.12) (0.33) (0.48) (0.50) (0.56) (0.73) (0.85) +70.4%
Book value — (0.73) (0.86) (0.60) 2.91 2.07 1.02 0.52 0.07 0.03 0.21 n/m
Shares, m — 12 12 2 9 13 13 13 13 14 14 +1.8%
Valuation, ×
Valuation, × P/E — — — — — — — — — — 0 —
P/S — — — — — — — — — — 0 —
P/B — — — — — — — — — — 0 —
EV/Sales — — — — — — — — — — 0 —
EV/FCF — — — — — — — — — — 0 —
Cash, $m
Cash, $m Operating cash flow — 0 0 0 (1) (4) (6) (6) (7) (10) (12) +73.5%
Capex — — — — — — — — — — — —
Free cash flow — 0 0 0 (1) (4) (6) (6) (7) (10) (12) +73.5%
Balance, $m
Balance, $m Working capital — (1) (1) (1) 28 27 13 7 1 0 3 n/m
Net debt — 0 0 0 (29) (27) (13) (7) (4) (6) (9) +297.1%
Shareholders’ equity — (9) (10) (1) 28 27 13 7 1 0 3 n/m
Returns, %
Returns, % ROA — (2,320.80) (3,114.65) (5,067.01) (12.98) (16.35) (38.46) (86.87) (314.09) (376.92) (374.46) +1,943.9 pt
ROIC — 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0 pt
ROE — 16.86 18.11 59.69 (14.18) (16.78) (39.08) (89.30) (457.73) (3,068.35) (986.31) (3,085.2) pt
People
People Employees — — — 3 3 6 6 7 8 13 — +27.7%
Revenue/emp, $m — — — 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — n/m
Negative figures in brackets.
estimates

All 10 years →

Fundamentals updated 26 Oct 2026

Greenwich LifeSciences, Inc. vs peers in Biotechnology (Q) = latest quarter vs a year earlier

Company Market cap P/E Fwd P/E Revenue growth (Q) EPS growth (Q) FCF growth (Q) Gross margin (Q) EBIT margin (Q) Compare
CABA Cabaletta Bio, Inc. $280.4M — (loss-making) — — n/m −35.72% (below 0%: shrinking) 0.00% 0.00% Compare
ABEO Abeona Therapeutics Inc. $238.5M — (loss-making) — (loss-making) +225.14% (above 0%: growing) n/m +17.11% (above 0%: growing) 63.30% (119.97%) Compare
IMRX Immuneering Corporation $238.3M — (loss-making) — (loss-making) −99.74% (below 0%: shrinking) n/m −40.19% (below 0%: shrinking) 0.00% 0.00% Compare
VNDA Vanda Pharmaceuticals Inc. $231.0M — (loss-making) — (loss-making) +24.10% (above 0%: growing) n/m +9.57% (above 0%: growing) 94.05% (33.69%) Compare
ACIU AC Immune $227.0M — (loss-making) — (loss-making) +152.31% (above 0%: growing) n/m +4.66% (above 0%: growing) 100.00% (302.13%) Compare
FATE Fate Therapeutics, Inc. $223.1M — (loss-making) — (loss-making) +9.18% (above 0%: growing) n/m +8.96% (above 0%: growing) 100.00% (1,495.39%) Compare
GLSI Greenwich LifeSciences, Inc. $222.7M — (loss-making) — — n/m +13.14% (above 0%: growing) 0.00% 0.00%
KRRO Korro Bio, Inc. $202.5M — (loss-making) — (loss-making) −86.28% (below 0%: shrinking) n/m +12.07% (above 0%: growing) 100.00% 0.00% Compare
SLGL Sol-Gel Technologies Ltd. $199.8M — (loss-making) — (loss-making) −96.58% (below 0%: shrinking) n/m −8.76% (below 0%: shrinking) 100.00% (704.23%) Compare
Median of peers $229.0M — — +9.18% — +6.81% 97.03% (76.83%)

All 621 Biotechnology stocks →

Pay and ownership Proxy statement filed 3 November 2025

Ownership

Directors and executive officers, together 51.47%
Snehal Patel 41.11%
David McWilliams 5.08%
Ownership is the proxy’s own table: the directors and officers as a group, and every holder of 5% or more. Read the proxy statement

Greenwich LifeSciences, Inc. (GLSI) Latest News

23 Apr

14 Apr

18 Mar

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stockrow.com/GLSI · Data as of Oct 26, 2026 · For information only; not investment advice. · © 2026 stockrow.com