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Greenwich LifeSciences, Inc. (GLSI)

17.41 -1.59 (-8.37%)
At close: 4:00:01 PM EDT
17.41 0.00 (0.00%)
After hours: 4:00:02 PM EDT
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Chart Range Bar
Loading chart for GLSI
  • Previous Close 19.00
  • Open 18.47
  • Bid 13.29 x 200
  • Ask 23.68 x 200
  • Day's Range 17.08 - 18.77
  • 52 Week Range 7.78 - 34.10
  • Volume 174,640
  • Avg. Volume 126,587
  • Market Cap (intraday) 255.548M
  • Beta (5Y Monthly) 1.46
  • PE Ratio (TTM) --
  • EPS (TTM) -1.53
  • Earnings Date (est.) Nov 12, 2026
  • Forward Dividend & Yield -- (0.00%)
  • 1y Target Est 57.00
  • Zacks Rating Neutral

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.

greenwichlifesciences.com

--

Full Time Employees

December 31

Fiscal Year Ends

Healthcare

Sector

Biotechnology

Industry

Performance Overview

Trailing total returns as of 10/30/2026, which may include dividends or other distributions. Benchmark is S&P 500 (^GSPC) .

YTD Return

GLSI
17.13%
S&P 500 (^GSPC)
10.73%

1-Year Return

GLSI
89.45%
S&P 500 (^GSPC)
11.11%

3-Year Return

GLSI
110.27%
S&P 500 (^GSPC)
81.91%

5-Year Return

GLSI
50.76%
S&P 500 (^GSPC)
64.59%

Earnings Trends

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Earnings Per Share (GAAP)

Revenue vs. Earnings

Annual
Quarterly
Annual
Quarterly
Q2 FY26
Revenue --
Earnings -3.95M
Profit Margin 0.00%

Q3

FY25

Q4

FY25

Q1

FY26

Q2

FY26

-6M
-4M
-2M
0
0.0%

Analyst Insights

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Analyst Price Targets

45.00
57.00 Average
17.41 Current
69.00 High

Analyst Recommendations

  • Strong Buy
  • Buy
  • Hold
  • Underperform
  • Sell

Latest Rating

Date 7/21/2026
Analyst HC Wainwright & Co.
Rating Action Maintains
Rating Buy
Price Action Raises
Price Target 50 -> 69

Statistics

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Valuation Measures

Annual
As of 10/29/2026
  • Market Cap

    278.89M

  • Enterprise Value

    270.01M

  • Trailing P/E

    --

  • Forward P/E

    --

  • PEG Ratio (current)

    --

  • Price/Sales (ttm)

    --

  • Price/Book (mrq)

    86.70

  • Enterprise Value/Revenue

    --

  • Enterprise Value/EBITDA

    --

Financial Highlights

Profitability and Income Statement

  • Profit Margin

    0.00%

  • Return on Assets (ttm)

    -235.98%

  • Return on Equity (ttm)

    -986.32%

  • Revenue (ttm)

    --

  • Net Income Avi to Common (ttm)

    -22.47M

  • Diluted EPS (ttm)

    -1.53

Balance Sheet and Cash Flow

  • Total Cash (mrq)

    8.88M

  • Total Debt/Equity (mrq)

    --

  • Levered Free Cash Flow (ttm)

    -3.34M

Compare

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Company Insights

Fair Value

17.41 Current

Dividend Score

0 Low
Sector Avg.
100 High

Hiring Score

0 Low
Sector Avg.
100 High

Insider Sentiment Score

0 Low
Sector Avg.
100 High

Research Reports

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  • Daily – Vickers Top Buyers & Sellers for 07/30/2026

    The Vickers Top Buyers & Sellers is a daily report that identifies the five companies the largest insider purchase transactions based on the dollar value of the transactions as well as the five companies the largest insider sales transactions based on the dollar value of the transactions.

  • Daily – Vickers Top Buyers & Sellers for 07/28/2026

    The Vickers Top Buyers & Sellers is a daily report that identifies the five companies the largest insider purchase transactions based on the dollar value of the transactions as well as the five companies the largest insider sales transactions based on the dollar value of the transactions.

  • Daily – Vickers Top Buyers & Sellers for 01/16/2026

    The Vickers Top Buyers & Sellers is a daily report that identifies the five companies the largest insider purchase transactions based on the dollar value of the transactions as well as the five companies the largest insider sales transactions based on the dollar value of the transactions.

  • Daily – Vickers Top Buyers & Sellers for 01/15/2026

    The Vickers Top Buyers & Sellers is a daily report that identifies the five companies the largest insider purchase transactions based on the dollar value of the transactions as well as the five companies the largest insider sales transactions based on the dollar value of the transactions.

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