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Date Open High Low Close Volume
12/02/2025 $8.25 $8.33 $7.97 $8.00 67.20K
12/03/2025 $8.06 $8.57 $8.03 $8.41 81.90K
12/04/2025 $8.43 $8.85 $8.30 $8.80 46.70K
12/05/2025 $9.16 $9.18 $8.80 $8.94 71.70K
12/08/2025 $9.22 $9.69 $9.20 $9.61 94.10K
Greenwich LifeSciences, Inc. is a clinical-stage biopharmaceutical company. Co. is focused on the development of GP2, immunotherapy to prevent breast cancer recurrences in patients who have previously undergone surgery. GP2 is a 9 amino acid transmembrane peptide of the human epidermal growth factor receptor 2 (HER2)/neu protein, a cell surface receptor protein that is expressed in a variety of common cancers. GP2 is delivered in combination with granulocyte-macrophage colony-stimulating factor to induce GP2 peptide-specific immunity. GP2 treatment is administered via an intradermal injection by mixing GP2 peptide and GM-CSF at the time of administration.
GLSI historical stock prices picture
Greenwich LifeSciences (GLSI) has the following price history information. Looking back at GLSI historical stock prices for the last five trading days, on December 02, 2025, GLSI opened at $8.25, traded as high as $8.33 and as low as $7.97, and closed at $8.00. Trading volume was a total of 67.20K shares. On December 03, 2025, GLSI opened at $8.06, traded as high as $8.57 and as low as $8.03, and closed at $8.41. Trading volume was a total of 81.90K shares. On December 04, 2025, GLSI opened at $8.43, traded as high as $8.85 and as low as $8.30, and closed at $8.80. Trading volume was a total of 46.70K shares. On December 05, 2025, GLSI opened at $9.16, traded as high as $9.18 and as low as $8.80, and closed at $8.94. Trading volume was a total of 71.70K shares. On December 08, 2025, GLSI opened at $9.22, traded as high as $9.69 and as low as $9.20, and closed at $9.61. Trading volume was a total of 94.10K shares.

GLSI Historical Stock Prices By Date:

GLSI historical cagr picture

Below, we examine the compound annual growth rate — CAGR for short — of an investment into Greenwich LifeSciences shares, starting with a $10,000 purchase of GLSI, and working forward through the historical stock price information to today.

Growth of $10,000.00
Without Dividends Reinvested

Start date: 09/28/2020
End date: 12/08/2025
Start price/share: $4.91
End price/share: $9.61
Dividends collected/share: $0.00
Total return: 95.72%
Average Annual Total Return: 13.79%
Starting investment: $10,000.00
Ending investment: $19,569.85
Years: 5.20
Date Close
12/02/2025$8.00
12/03/2025$8.41
12/04/2025$8.80
12/05/2025$8.94
12/08/2025$9.61
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Also explore: GLSI shares outstanding history

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