GLSI on Nasdaq

Greenwich LifeSciences, Inc.

American pharmaceutical preparations company based in Stafford. Summary from the record

Price unavailable

Last updated Oct 19, 2026.

Overview

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  • TickerGLSI on Nasdaq1
  • IndustryPharmaceutical Preparations1
  • HeadquartersStafford, Texas1
  • Incorporated inDE2
  • Business address3992 Bluebonnet Dr, Building 14, Stafford, Tx 774772
  • Filer categoryNon-accelerated filer, Smaller reporting company2
  • Legal formCorporation

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The HER2/ neu protein is one of the most widely expressed tumor antigens in multiple malignances.3 From its latest annual report

Financials

From the company’s reports to the SEC. Every number links to the filing it came from.

Financial statements

Operating income456789-$19.4M in 2025+468% since 2019
-$20.0M-$15.0M-$10.0M-$5.0M02019: -$3.4M-$3.4M20192020: -$1.9M-$1.9M2020−46%2021: -$4.6M-$4.6M2021+147%2022: -$8.0M-$8.0M2022+75%2023: -$9.3M-$9.3M2023+16%2024: -$17.6M-$17.6M2024+89%2025: -$19.4M-$19.4M2025+10%
Net income456789-$19.4M in 2025+465% since 2019
-$20.0M-$15.0M-$10.0M-$5.0M02019: -$3.4M-$3.4M20192020: -$1.9M-$1.9M2020−46%2021: -$4.6M-$4.6M2021+145%2022: -$7.8M-$7.8M2022+71%2023: -$8.9M-$8.9M2023+14%2024: -$17.4M-$17.4M2024+96%2025: -$19.4M-$19.4M2025+11%

Every line of the income statement as filed: the last 2 fiscal years (annual) or 3 quarters (quarterly), latest first.9

Period ending2025-12-312024-12-31
Research and development$17.2M$15.5M
General and administrative$2.2M$2.2M
Total operating expenses$19.4M$17.6M
Loss from operations-$19.4M-$17.6M
Interest income$89.7K$223.0K
Net loss-$19.4M-$17.4M
Net loss per common share, basic-$1.43-$1.34
Net loss per common share, diluted-$1.43-$1.34
Weighted average common shares outstanding, basic13.5M shares13.0M shares
Weighted average common shares outstanding, diluted13.5M shares13.0M shares

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Leadership

Who has led Greenwich LifeSciences, Inc., and when. Pick a name to see everywhere that person has worked.

Chief executive

  1. Snehal Patel2020–now

Chief financial officer

  1. Snehal Patel2020–now
2025
Board members and other officers (6)

Named in SEC Form D filings

People the company listed in its private-offering notices.

  • Chief Medical OfficerF. Joseph Daugherty named Jun 18, 202418

Timeline

  1. Sep 24, 2020New chief executive Snehal Patel becomes CEO12

Filings

191 filings to the SEC since October 2021: 6 annual reports, 15 quarterly reports, 16 major events, 119 insider forms, 1 large holders, 1 private raises, 33 other. The latest 20:

  1. Aug 11, 202610-Q EDGAR
  2. Jul 30, 20264 EDGAR
  3. Jul 29, 20264 EDGAR
  4. Jul 27, 20264 EDGAR
  5. Jun 4, 202610-Q EDGAR
  6. Jun 1, 202610-K EDGAR
  7. Mar 31, 2026NT 10-K EDGAR
  8. Jan 15, 20264 EDGAR
  9. Jan 14, 20264 EDGAR
  10. Jan 5, 20264 EDGAR
  11. Jan 2, 20264 EDGAR
  12. Dec 19, 20254 EDGAR
  13. Dec 18, 20258-K EDGAR
  14. Nov 28, 20254 EDGAR
  15. Nov 17, 20254 EDGAR
  16. Nov 14, 202510-Q EDGAR
  17. Nov 12, 20254 EDGAR
  18. Nov 4, 20254 EDGAR
  19. Nov 3, 2025ARS EDGAR
  20. Nov 3, 2025DEFA14A EDGAR

The 191 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Insider trades

108 open-market trades by officers, directors and large owners since October 2021: 108 buys and 0 sales. Grants, option exercises and gifts are left out.

DateWhoTradeSharesPriceValueFiling
Jul 29, 2026Patel SnehalCEO and CFOBuy700$13.10$9.2KForm 4
Jul 28, 2026Patel SnehalCEO and CFOBuy1,500$13.59$20.4KForm 4
Jul 27, 2026Patel SnehalCEO and CFOBuy1,500$13.62$20.4KForm 4
Jul 24, 2026Patel SnehalCEO and CFOBuy1,100$12.88$14.2KForm 4
Jul 23, 2026Patel SnehalCEO and CFOBuy2,500$13.14$32.9KForm 4
Jan 13, 2026Patel SnehalCEO and CFOBuy1,800$29.83$53.7KForm 4
Jan 12, 2026Patel SnehalCEO and CFOBuy2,900$27.54$79.9KForm 4
Dec 31, 2025Patel SnehalCEO and CFOBuy4,300$21.36$91.8KForm 4
Dec 30, 2025Patel SnehalCEO and CFOBuy2,900$21.73$63.0KForm 4
Dec 18, 2025Patel SnehalCEO and CFOBuy4,100$12.62$51.7KForm 4
Nov 25, 2025Patel SnehalCEO and CFOBuy4,600$8.37$38.5KForm 4
Nov 7, 2025Patel SnehalCEO and CFOBuy10,600$8.43$89.4KForm 4
Oct 31, 2025Patel SnehalCEO and CFOBuy2,300$9.26$21.3KForm 4
Apr 25, 2025Patel SnehalCEO and CFOBuy3,600$9.88$35.6KForm 4
Apr 17, 2025Patel SnehalCEO and CFOBuy5,400$8.98$48.5KForm 4
Apr 7, 2025Patel SnehalCEO and CFOBuy3,600$9.10$32.8KForm 4
Apr 4, 2025Patel SnehalCEO and CFOBuy5,500$8.73$48.0KForm 4
Jan 10, 2025Patel SnehalCEO and CFOBuy2,500$12.51$31.3KForm 4
Jan 7, 2025Patel SnehalCEO and CFOBuy1,800$13.75$24.8KForm 4
Jan 6, 2025Patel SnehalCEO and CFOBuy1,100$13.31$14.6KForm 4

All 108 trades can be filtered by person here when JavaScript is on.

From Forms 4 filed with the SEC.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

  • Michael Guy WeinerSC 13G, 1 filing Jun 22, 202219

Money raised

Private offerings the company reported to the SEC on Form D.

  1. Jun 13, 2024Raised $2.5 million in a private offering of equity Form D: 1 investor so far Form D

Held by these funds

The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026, the top 25 of 58. Change is in shares since the quarter before.

FundSharesValueShare of the fundChange
BlackRock, Inc.485,854$11.4M0.0%+51,994
Vanguard Capital Management LLC278,190$6.5M0.0%−20,076
Geode Capital Management, LLC168,179$3.9M0.0%+12,713
State Street Corp143,086$3.4M0.0%+9,211
Vanguard Portfolio Management LLC80,861$1.9M0.0%+21,950
Northern Trust Corp80,228$1.9M0.0%+5,103
Bank of New York Mellon Corp47,900$1.1M0.0%+1,377
Vanguard Fiduciary Trust Co45,965$1.1M0.0%+1,057
Morgan Stanley43,447$1.0M0.0%+13,620
Goldman Sachs Group Inc39,329$922.7K0.0%−192
Russell Investments Group, Ltd.34,353$805.9K0.0%−5,344
Jane Street Group, LLC27,694$649.7K0.0%New
UBS Group AG23,409$549.2K0.0%+2,293
State Of Wisconsin Investment Board22,639$531.1K0.0%+2,300
Massachusetts Financial Services Co /ma/17,922$420.4K0.0%New
Strs Ohio17,800$417.6K0.0%+4,100
Charles Schwab Investment Management Inc17,098$401.1K0.0%+495
Vanguard Global Advisers, LLC11,871$278.5K0.0%+1,536
Ancora Advisors LLC10,740$252.0K0.0%−26,760
Stifel Financial Corp10,023$235.1K0.0%New
Raymond James Financial Inc9,137$214.4K0.0%−700
Rhumbline Advisers8,387$196.8K0.0%+341
Wells Fargo & Company/mn6,144$144.1K0.0%+3,704
Deutsche Bank Ag\5,351$125.5K0.0%+189
Fmr LLC3,996$93.7K0.0%−111

13F reports cover disclosed long positions in U.S. stocks only.

Sources

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