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GREENWICH LIFESCIENCES INC (GLSI)
Institutional ownership, SEC filings and insider activity
Sector: Healthcare & Pharma · SEC CIK 0001799788 · EDGAR filings · Updated 2026-07-27
GREENWICH LIFESCIENCES INC (GLSI) has reported institutional ownership of 11.7%, with 64 institutional managers holding positions valued at $41.1M per the latest 13F reporting period. SEC filings include an active substantial-doubt (going concern) disclosure per the filings.
Filings this week (1)
- 2026-07-27 — Insider transaction reported (Form 4)
Every filing links to the official SEC document. Real-time filing alerts for this company are available inside the app.
Latest updates
- 2026-06-04 — Quarterly report (10-Q) filed
- 2026-06-01 — Annual report (10-K) filed
- 2026-03-31 — Late-filing notice for annual report (NT 10-K)
- 2026-01-15 — Insider transaction reported (Form 4)
- 2026-01-14 — Insider transaction reported (Form 4)
Institutional ownership overview
According to SEC 13F filings tracked by Sightfile, GREENWICH LIFESCIENCES INC has 64 institutional holders and institutional ownership of 11.7%.
Insider activity
Insiders reported 12 transactions (12 buys, 0 sells) across 1 reporting insiders, with a net reported value of $654.2K.
Data flags from SEC filings
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See full history, cross-references and alerts on SightfileData sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-27.