GLSI Greenwich LifeSciences, Inc.
company
SEC Filings & Insider Trading Activity 2026

CIK: 1799788
Health Care
Pharmaceutical Preparations 22 filings
Russell 2000

Latest Greenwich LifeSciences, Inc. (GLSI) SEC EDGAR filings in 2026 — including the most recent 10-K annual report filed on April 15, 2025, a 10-Q quarterly report filed on November 14, 2025, an 8-K current report filed on December 18, 2025. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for Greenwich LifeSciences, Inc. (GLSI) (SEC CIK 1799788), with AI-powered section-by-section summaries updated daily.

10-Q: 16
10-K: 5
8-K: 1

Latest 2026 SEC Filing Dates

10-K Annual Report
Apr 15, 2025
10-Q Quarterly Report
Nov 14, 2025
8-K Current Report
Dec 18, 2025

Latest 2026 SEC Filings — 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
8-K
Dec 18, 2025
10-Q
Nov 14, 2025Sep 30, 2025
10-Q
Aug 14, 2025Jun 30, 2025
10-Q
May 20, 2025Mar 31, 2025
10-K
Apr 15, 2025Dec 31, 2024
10-Q
Nov 14, 2024Sep 30, 2024
10-Q
Aug 14, 2024Jun 30, 2024
10-Q
May 20, 2024Mar 31, 2024
10-K
Apr 15, 2024Dec 31, 2023
10-Q
Oct 19, 2023Sep 30, 2023
10-Q
Aug 21, 2023Jun 30, 2023
10-Q
May 22, 2023Mar 31, 2023
10-K
Mar 31, 2023Dec 31, 2022
10-Q
Nov 14, 2022Sep 30, 2022
10-Q
Aug 15, 2022Jun 30, 2022
10-Q
May 20, 2022Mar 31, 2022
10-K
Mar 21, 2022Dec 31, 2021
10-Q
Nov 15, 2021Sep 30, 2021
10-Q
Aug 13, 2021Jun 30, 2021
10-Q
May 20, 2021Mar 31, 2021
10-K
Mar 31, 2021Dec 31, 2020
10-Q
Nov 16, 2020Sep 30, 2020

Frequently Asked Questions

What are the latest GLSI SEC filings in 2026?

Greenwich LifeSciences, Inc. (GLSI) has filed a 10-K annual report on April 15, 2025, a 10-Q quarterly report on November 14, 2025, an 8-K current report on December 18, 2025 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did GLSI file its most recent 10-K annual report?

Greenwich LifeSciences, Inc. (GLSI) filed its most recent 10-K annual report on April 15, 2025. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view GLSI 10-Q quarterly reports?

Greenwich LifeSciences, Inc. (GLSI)'s most recent 10-Q quarterly report was filed on November 14, 2025. SignalX displays every GLSI 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has GLSI filed recently?

Greenwich LifeSciences, Inc. (GLSI)'s most recent 8-K was filed on December 18, 2025. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find GLSI insider trading activity (Form 4)?

SignalX aggregates every GLSI Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does GLSI file with the SEC?

Greenwich LifeSciences, Inc. (GLSI) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new GLSI filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs — such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for Greenwich LifeSciences, Inc. (GLSI).

What is GLSI's SEC CIK number?

Greenwich LifeSciences, Inc. (GLSI)'s SEC CIK (Central Index Key) number is 1799788. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1799788 to look up all GLSI filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Where can I find GLSI return on equity (ROE) and financial data?

SignalX extracts XBRL financial data from Greenwich LifeSciences, Inc. (GLSI) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.

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