How many insider trades does FilingIQ track for GLSI?

FilingIQ tracks 143 Form 4 insider transactions for GLSI (Greenwich LifeSciences, Inc.), covering filings from Sep 29, 2020 onwards. 3 of those were filed in the last 90 days.

Are GLSI insiders net buyers or net sellers?

Across the full Form 4 history for GLSI, 120 transactions (84%) were open-market purchases and 0 (0%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does GLSI insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is GLSI in?

Greenwich LifeSciences, Inc. (GLSI) is classified in the Healthcare sector, specifically Biotechnology, with a current market capitalisation of $360.08M.

GLSI insider trading

NasdaqCM Healthcare

Greenwich LifeSciences, Inc. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

143

Last 90 days

Buys / sells

84% / 0%

Market cap

$360.08M

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: greenwichlifesciences.com

GLSI insider activity at a glance

FilingIQ has scored 143 insider transactions for GLSI since Sep 29, 2020. The most recent filing in our index is dated Jul 27, 2026.

Across the full history, 120 open-market purchases and 0 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on GLSI insider trades is 53.7/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live GLSI trades on FilingIQ Raw filings on SEC EDGAR

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Frequently asked

How many insider trades does FilingIQ track for GLSI?: FilingIQ tracks 143 Form 4 insider transactions for GLSI (Greenwich LifeSciences, Inc.), covering filings from Sep 29, 2020 onwards. 3 of those were filed in the last 90 days.
Are GLSI insiders net buyers or net sellers?: Across the full Form 4 history for GLSI, 120 transactions (84%) were open-market purchases and 0 (0%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does GLSI insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is GLSI in?: Greenwich LifeSciences, Inc. (GLSI) is classified in the Healthcare sector, specifically Biotechnology, with a current market capitalisation of $360.08M.

Methodology & sources

Every GLSI insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.