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    Greenwich LifeSciences, Inc.

    Company overview

    Market capitalization
    $272.87M
    Employees
    4
    Latest publication
    2026-09-29
    About Greenwich LifeSciences, Inc.

    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 and Romania. Its lead product candidate is GP2, an immunotherapy, which is in Phase III clinical trial to prevent breast cancer recurrences in patients who have previously undergone surgery. The company also develops FLAMINGO-01, which is in Phase III clinical trial designed to evaluate the safety and efficacy of GLSI-100 (GP2 + GM-CSF) 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.

    Company website

    Financial statements

    Income Quarterly

    Exact reported values; units shown beside each amount. Missing values are —.
    MetricQ1 20262026-03-31 · USDQ3 20252025-09-30 · USDQ2 20252025-06-30 · USDQ1 20252025-03-31 · USDQ4 20242024-12-31 · USDQ3 20242024-09-30 · USDQ2 20242024-06-30 · USDQ1 20242024-03-31 · USD
    Total Revenue3,558USD0USD0USD3,612USD0USD0USD0USD5,418USD
    Cost Of Revenue1,779USD—876USD903USD—903USD903USD903USD
    Gross Profit1,779USD—-876USD-903USD—-903USD-903USD-903USD
    Research Development3,521,576USD3,521,576USD3,507,906USD2,601,122USD6,157,603USD2,292,040USD2,307,873USD2,194,513USD
    Selling General Administrative653,066USD653,066USD538,047USD681,210USD1,926,558USD437,011USD353,531USD342,688USD
    Total Operating Expenses4,174,642USD4,174,642USD4,045,953USD3,282,332USD8,084,161USD2,729,051USD2,661,404USD2,536,298USD
    Operating Income7,328,285USD-4,174,642USD-4,045,953USD-3,282,332USD-8,084,161USD-2,729,051USD-2,661,404USD-2,537,200USD
    Income Before Tax-4,151,845USD-4,151,845USD-4,025,278USD-3,258,362USD-8,040,219USD-2,668,713USD-2,606,682USD-2,473,195USD
    Net Income-4,151,845USD-4,151,845USD-4,025,278USD-3,258,362USD-8,040,219USD-2,668,713USD-2,606,682USD-2,473,195USD
    Ebit7,328,285USD—-4,045,953USD-3,282,332USD-8,084,161USD-2,729,051USD-2,661,404USD-2,537,201USD
    Ebitda7,326,506USD-4,151,845USD-4,045,077USD-3,281,429USD—-2,728,148USD-2,660,501USD-2,536,298USD
    Depreciation And Amortization-1,779USD—876USD903USD—903USD903USD903USD
    Total Other Income Expense Net-11,480,130USD22,797USD20,675USD23,970USD—60,338USD54,722USD64,006USD
    Interest Income—22,797USD20,675USD23,970USD43,942USD60,338USD54,722USD64,006USD
    Net Interest Income—22,797USD20,675USD23,970USD43,942USD60,338USD54,722USD64,006USD
    Net Income From Continuing Ops—-4,151,845USD-4,025,278USD-3,258,362USD-8,040,219USD-2,668,713USD-2,606,682USD-2,473,195USD
    Reconciled Depreciation—0USD876USD903USD903USD903USD903USD903USD
    Selling And Marketing Expenses———903USD——903USD903USD
    Interest Expense———223,008USD———116,180USD
    Income Tax Expense———2,538,104USD——-3USD-3USD
    SourceLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacy

    Income Yearly

    Exact reported values; units shown beside each amount. Missing values are —.
    MetricFY 20242024-12-31 · USDFY 20232023-12-31 · USDFY 20222022-12-31 · USDFY 20212021-12-31 · USDFY 20202020-12-31 · USDFY 20192019-12-31 · USDFY 20182018-12-31 · USDFY 20172017-12-31 · USD
    Total Revenue0USD0USD0USD0USD0USD0USD0USD—
    Cost Of Revenue3,612USD3,612USD3,612USD3,612USD3,609USD3,607USD3,607USD3,607USD
    Gross Profit-3,612USD-3,612USD-3,612USD-3,612USD-3,609USD-3,607USD-3,607USD-3,607USD
    Research Development12,952,029USD7,698,622USD6,475,668USD3,559,515USD1,057,606USD2,606,420USD1,270,016USD1,223,051USD
    Selling General Administrative3,059,788USD1,629,244USD1,564,586USD1,038,428USD806,188USD818,887USD419,639USD—
    Total Operating Expenses16,011,817USD9,327,866USD8,040,254USD4,597,943USD1,863,794USD3,425,307USD1,689,655USD1,569,863USD
    Operating Income-16,011,817USD-9,327,866USD-8,040,254USD-4,597,943USD-1,863,794USD-3,425,307USD-1,689,655USD-1,573,470USD
    Interest Income223,008USD450,940USD215,017USD27,367USD832USD———
    Net Interest Income223,008USD450,940USD215,017USD27,367USD832USD———
    Income Before Tax-15,788,809USD-8,891,803USD-7,825,237USD-4,570,576USD-1,862,962USD-3,425,307USD-1,689,655USD-1,573,470USD
    Net Income-15,788,809USD-8,891,803USD-7,825,237USD-4,570,576USD-1,862,130USD-3,425,307USD-1,689,655USD-1,573,470USD
    Net Income From Continuing Ops-15,788,809USD-8,935,576USD-7,825,237USD-4,570,576USD-1,862,962USD-3,425,307USD-1,689,655USD—
    Ebit-15,788,809USD-9,327,866USD-8,040,254USD-4,597,943USD-1,863,794USD-3,425,307USD-1,689,655USD-1,573,467USD
    Ebitda-15,785,197USD-9,324,254USD-8,036,642USD-4,594,331USD-1,860,185USD-3,421,700USD-1,686,048USD-1,569,860USD
    Depreciation And Amortization3,612USD3,612USD3,612USD3,612USD3,609USD3,607USD3,607USD3,607USD
    Reconciled Depreciation3,612USD3,612USD3,612USD3,612USD3,609USD3,607USD3,607USD—
    Total Other Income Expense Net223,008USD436,063USD215,017USD27,367USD832USD3USD——
    Selling And Marketing Expenses—3,612USD——————
    Income Tax Expense—-2USD-215,017USD-27,367USD-832USD3USD-157,534USD3USD
    Interest Expense——215,017USD27,367USD0USD0USD0USD—
    Non Operating Income Net Other———27,367USD832USD———
    Net Income Applicable To Common Shares———-4,570,576USD-1,862,962USD-3,425,307USD-1,689,655USD—
    SourceLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacy

    Balance sheet Quarterly

    Exact reported values; units shown beside each amount. Missing values are —.
    MetricQ2 20262026-06-30 · USDQ3 20252025-09-30 · USDQ2 20252025-06-30 · USDQ1 20252025-03-31 · USDQ4 20242024-12-31 · USDQ3 20242024-09-30 · USDQ2 20242024-06-30 · USDQ1 20242024-03-31 · USD
    Total Assets8,876,353USD3,806,978USD3,125,101USD2,750,835USD4,093,769USD5,825,049USD7,228,460USD5,510,463USD
    Total Current Assets8,876,353USD3,806,978USD3,125,101USD2,749,959USD4,091,990USD5,825,049USD7,224,875USD5,505,975USD
    Total Liabilities5,759,396USD———————
    Total Current Liabilities5,759,396USD1,622,000USD1,685,609USD1,438,524USD1,559,733USD842,384USD1,353,028USD389,611USD
    Total Stockholder Equity3,116,957USD2,184,977USD1,439,492USD1,312,311USD2,534,036USD4,982,665USD5,875,432USD5,120,852USD
    Total Equity Including Noncontrolling Interest3,116,957USD———————
    Accounts Payable4,807,655USD1,108,886USD1,075,631USD827,036USD1,177,536USD774,759USD1,114,386USD125,737USD
    Common Stock14,678USD13,795USD13,473USD13,193USD—13,145USD13,068USD12,876USD
    Retained Earnings-96,742,818USD-77,588,863USD-73,437,018USD-69,411,740USD-66,153,378USD-58,113,159USD-55,444,446USD-52,837,764USD
    Total Liab—1,622,000USD1,685,609USD1,438,524USD1,559,733USD842,384USD1,353,028USD389,611USD
    Other Current Liab—513,114USD609,978USD611,488USD—67,625USD238,642USD263,874USD
    Capital Stock—13,795USD13,473USD13,193USD13,153USD13,145USD13,068USD12,876USD
    Cash—3,806,978USD3,125,101USD2,749,959USD4,091,990USD5,822,367USD7,224,875USD5,505,975USD
    Cash And Short Term Investments—3,806,978USD3,125,101USD2,749,959USD—5,822,367USD7,224,875USD5,505,975USD
    Net Debt—-3,806,978USD-3,125,101USD-2,749,959USD—-5,822,367USD-7,224,875USD-5,505,975USD
    Common Stock Shares Outstanding—13,641,384shares13,370,983shares13,171,555shares13,152,729shares13,142,457shares12,906,867shares12,859,685shares
    Non Current Assets Total—0USD0USD876USD1,779USD2,682USD3,585USD4,487USD
    Non Current Liabilities Total—0USD0USD0USD0USD0USD0USD0USD
    Net Working Capital—2,184,977USD1,439,492USD1,312,311USD2,532,257USD4,982,665USD5,871,847USD5,116,364USD
    Unclassified Equity—79,746,250USD74,849,564USD70,697,665USD68,674,261USD63,069,534USD61,293,742USD57,932,864USD
    Intangible Assets———876USD1,779USD2,682USD3,585USD4,488USD
    Other Current Assets———876USD—2,682USD3,585USD—
    Other Assets———876USD—2,682USD—0USD
    Non Currrent Assets Other———1,779USD——0USD0USD
    Accumulated Other Comprehensive Income———————0USD
    SourceDisclosureDeterministicFinalLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacy

    Balance sheet Yearly

    Exact reported values; units shown beside each amount. Missing values are —.
    MetricFY 20252025-12-31 · USDFY 20242024-12-31 · USDFY 20232023-12-31 · USDFY 20222022-12-31 · USDFY 20212021-12-31 · USDFY 20202020-12-31 · USDFY 20192019-12-31 · USDFY 20182018-12-31 · USD
    Total Assets-6,738,796USD4,093,769USD6,994,815USD13,477,029USD27,216,884USD28,676,602USD26,671USD108,545USD
    Total Liab2,016,615USD1,559,733USD294,406USD262,905USD385,172USD1,045,492USD1,377,089USD10,228,599USD
    Total Stockholder Equity1,790,363USD2,534,036USD6,700,409USD13,214,124USD26,831,712USD27,631,110USD-1,350,418USD-10,120,054USD
    Cash-6,738,796USD4,091,990USD6,989,424USD13,468,026USD27,204,269USD28,660,375USD6,835USD85,102USD
    Cash And Short Term Investments-6,738,796USD4,091,990USD6,989,424USD13,468,026USD27,204,269USD28,660,375USD6,835USD85,102USD
    Total Current Assets-6,738,796USD4,091,990USD6,989,424USD13,468,026USD27,204,269USD28,660,375USD6,835USD85,102USD
    Net Debt6,738,796USD-4,091,990USD-6,989,424USD-13,468,026USD-27,204,269USD-28,385,221USD628,319USD-85,102USD
    Unclassified Current Assets-6,738,796USD———————
    Unclassified Equity1,790,363USD68,661,108USD57,039,282USD54,661,194USD60,452,945USD56,682,655USD25,844,676USD13,665,904USD
    Intangible Assets—1,779USD5,391USD9,003USD12,615USD16,227USD19,836USD23,443USD
    Other Current Liab—382,197USD258,934USD262,905USD385,172USD59,367USD11,626USD451,043USD
    Common Stock—13,153USD12,848USD12,848USD13,148USD12,704USD8,458USD542USD
    Capital Stock—13,153USD12,848USD12,848USD13,148USD12,704USD10,439USD2,184USD
    Retained Earnings—-66,153,378USD-50,364,569USD-41,472,766USD-33,647,529USD-29,076,953USD-27,213,991USD-23,788,684USD
    Other Assets—1,779USD0USD-8,994USD-12,602USD16USD——
    Total Current Liabilities—1,559,733USD294,406USD262,905USD385,172USD1,045,492USD1,377,089USD728,599USD
    Accounts Payable—1,177,536USD35,472USD220,845USD220,845USD710,971USD730,309USD277,556USD
    Common Stock Shares Outstanding—13,014,585shares12,848,165shares12,913,848shares12,944,134shares12,703,541shares11,743,555shares11,970,185shares
    Non Current Assets Total—1,779USD5,391USD9,003USD12,615USD16,227USD19,836USD23,443USD
    Non Current Liabilities Total—0USD0USD0USD0USD0USD730,309USD9,500,000USD
    Net Working Capital—2,532,257USD6,695,018USD13,205,121USD26,819,097USD27,614,883USD-1,370,254USD-643,497USD
    Accumulated Other Comprehensive Income——0USD—0USD0USD——
    Non Currrent Assets Other——0USD0USD0USD0USD——
    Net Tangible Assets————26,819,097USD27,614,883USD-1,375,542USD-10,148,785USD
    Current Deferred Revenue—————-275USD-635USD-420,154USD
    Short Term Debt—————275,154USD635,154USD—
    Short Long Term Debt Total—————275,154USD635,154USD420,154USD
    Other Liab———————9,500,000USD
    SourceLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacy

    Cash flow YTD

    Exact reported values; units shown beside each amount. Missing values are —.
    MetricQ2 20262026-06-30 · USD
    Stock Based Compensation3,028,976USD
    Change To Liabilities154,011USD
    Change In Working Capital-65,408USD
    Operating Cash Flow-6,642,244USD
    Financing Cash Flow9,340,576USD
    Change In Cash2,698,332USD
    End Cash Flow8,876,353USD
    SourceDisclosureDeterministicFinal

    Cash flow Yearly

    Exact reported values; units shown beside each amount. Missing values are —.
    MetricFY 20252025-12-31 · USDFY 20242024-12-31 · USDFY 20232023-12-31 · USDFY 20222022-12-31 · USDFY 20212021-12-31 · USDFY 20202020-12-31 · USDFY 20192019-12-31 · USDFY 20182018-12-31 · USD
    Net Income-19,358,218USD-15,788,809USD-8,891,803USD-7,825,237USD-4,570,576USD-1,862,962USD-3,425,307USD-1,689,655USD
    Depreciation1,779USD3,612USD3,612USD3,612USD3,612USD3,609USD3,607USD3,607USD
    Stock Based Compensation6,803,325USD7,253,327USD2,378,088USD1,743,865USD660,582USD677,988USD194,943USD—
    Other Non Cash Items2,639,661USD1,265,327USD35,472USD1,751,089USD1,194,538USD777,756USD-2USD-73,753USD
    Total Cash From Operating Activities-9,913,453USD-7,266,543USD-6,478,602USD-6,200,027USD-4,291,548USD-1,152,962USD-293,267USD-114,952USD
    Capital Expenditures0USD-3USD0USD-3USD0USD0USD0USD0USD
    Free Cash Flow-9,913,453USD-7,266,543USD-6,478,602USD-6,200,027USD-4,291,548USD-1,152,962USD-293,267USD-114,952USD
    Total Cash From Financing Activities11,999,484USD4,369,109USD0USD-7,536,216USD2,835,442USD29,806,502USD215,000USD200,000USD
    Change In Cash2,086,031USD-2,897,434USD-6,478,602USD-13,736,243USD-1,456,106USD28,653,540USD-78,267USD85,048USD
    Begin Period Cash Flow4,091,990USD6,989,424USD13,468,026USD27,204,269USD28,660,375USD6,835USD85,102USD54USD
    End Period Cash Flow6,178,021USD4,091,990USD6,989,424USD13,468,026USD27,204,269USD28,660,375USD6,835USD85,102USD
    Other Cashflows From Financing Activities11,999,484USD4,369,109USD—-7,536USD-275,154USD-360,000USD215,000USD200,000USD
    Change In Working Capital—1,265,327USD31,501USD-122,267USD-385,166USD28,403USD2,933,492USD1,571,096USD
    Issuance Of Capital Stock—4,369,109USD0USD562,596USD3,110,596USD30,166,502USD0USD—
    Unclassified Operating Cash Flow—-1,265,327USD—-1,751,089USD-1,194,538USD———
    Unclassified Financing Cash Flow—-4,369,109USD——————
    Sale Purchase Of Stock——0USD-7,536,216USD3,110,596USD30,166,502USD——
    Change To Liabilities————-385,166USD-92,550USD393,402USD80,967USD
    Net Borrowings————-275,154USD-360,000USD215,000USD100,000USD
    Cash And Cash Equivalents Changes————-1,456,106USD28,653,540USD——
    SourceLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacyLegacy providerLegacy

    Cash flow Quarterly

    Exact reported values; units shown beside each amount. Missing values are —.
    MetricQ3 20252025-09-30 · USDQ2 20252025-06-30 · USDQ1 20252025-03-31 · USDQ4 20242024-12-31 · USDQ3 20242024-09-30 · USDQ2 20242024-06-30 · USDQ1 20242024-03-31 · USDQ4 20232023-12-31 · USD
    Net Income-4,151,845USD-4,025,278USD-3,258,362USD-8,040,220USD-2,668,713USD-2,606,682USD-2,473,195USD-2,746,740USD
    Depreciation0USD876USD903USD903USD903USD903USD903USD903USD
    Stock Based Compensation1,544,214USD1,544,214USD1,544,214USD5,469,761USD594,522USD594,522USD594,522USD594,522USD
    Other Non Cash Items62,268USD—1,265,327USD—547,978USD-392,321USD570,913USD—
    Change In Working Capital-63,608USD247,085USD-121,209USD717,349USD-510,644USD963,417USD95,205USD-2,881USD
    Total Cash From Operating Activities-2,671,239USD-2,233,103USD-1,834,454USD-1,852,206USD-2,583,932USD-1,047,840USD-1,782,565USD-2,154,195USD
    Capital Expenditures-7USD-3USD-4USD0USD0USD0USD-5USD0USD
    Free Cash Flow-2,671,239USD-2,233,103USD-1,834,454USD-1,852,206USD-2,583,932USD-1,047,840USD-1,782,565USD-2,154,195USD
    Total Cash From Financing Activities3,353,116USD2,608,245USD492,423USD121,829USD1,181,424USD2,766,740USD299,116USD0USD
    Issuance Of Capital Stock3,208,116USD2,608,245USD492,423USD121,829USD1,181,424USD2,766,740USD299,116USD—
    Change In Cash681,877USD375,142USD-1,342,031USD-1,730,377USD-1,402,508USD1,718,900USD-1,483,449USD-2,154,195USD
    Begin Period Cash Flow3,125,101USD2,749,959USD4,091,990USD5,822,367USD7,224,875USD5,505,975USD6,989,424USD9,143,619USD
    End Period Cash Flow3,806,978USD3,125,101USD2,749,959USD4,091,990USD5,822,367USD7,224,875USD5,505,975USD6,989,424USD
    Other Cashflows From Financing Activities145,000USD—4,369,109USD—1,181,424USD2,766,740USD299,116USD—
    Unclassified Operating Cash Flow——-1,265,327USD—————
    Unclassified Financing Cash Flow——-4,369,109USD—-1,181,424USD-2,766,740USD——
    Sale Purchase Of Stock———————0USD
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    Operating metrics

    No operating metrics are currently published for this company.

    Revenue breakdown

    No revenue breakdown is currently published for this company.

    Periods follow company fiscal calendars. Quarterly, annual and year-to-date amounts are shown separately. Missing values are not zero. Data may be delayed, incomplete or corrected; follow the disclosure links to verify figures.