Company filings profile · CIK 0001335105
LIXTE BIOTECHNOLOGY HOLDINGS, INC. — SEC filings & insider activity.
Real, source-linked SEC EDGAR activity for LIXTE BIOTECHNOLOGY HOLDINGS, INC. (LIXT): 17 filings in the last 90 days vs 6 in the prior 90 (filing-velocity rising ↑ · 2.83×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.
✔ Verified against the public SEC EDGAR filing record as of Jun 21, 2026. Source-linked, daily-refreshed.
Material 8-K events — LIXTE BIOTECHNOLOGY HOLDINGS, INC.
8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).
| Filed | Event | |
|---|---|---|
| Jun 18, 2026 | Entry into a Material Agreement; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jun 16, 2026 | Entry into a Material Agreement; Unregistered Sale of Securities; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jun 4, 2026 | Entry into a Material Agreement; Other Events; Financial Statements and Exhibits | ↗ |
| Jun 1, 2026 | Departure/Election of Directors or Officers; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Apr 17, 2026 | Departure/Election of Directors or Officers; Financial Statements and Exhibits | ↗ |
| Mar 20, 2026 | Departure/Election of Directors or Officers; Financial Statements and Exhibits | ↗ |
| Mar 10, 2026 | Entry into a Material Agreement; Financial Statements and Exhibits | ↗ |
| Feb 18, 2026 | Entry into a Material Agreement; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Dec 31, 2025 | Entry into a Material Agreement; Unregistered Sale of Securities; Financial Statements and Exhibits | ↗ |
| Dec 23, 2025 | Entry into a Material Agreement; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Dec 22, 2025 | Entry into a Material Agreement; Termination of a Material Agreement; Other Events; Financial Statements and Exhibits | ↗ |
| Dec 11, 2025 | Item 5.07; Financial Statements and Exhibits | ↗ |
| Nov 25, 2025 | Entry into a Material Agreement; Completion of Acquisition/Disposition; Unregistered Sale of Securities; Amendments to Bylaws/Charter; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Sep 11, 2025 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Sep 4, 2025 | Departure/Election of Directors or Officers; Other Events; Financial Statements and Exhibits | ↗ |
Watch LIXTE BIOTECHNOLOGY HOLDINGS, INC. automatically
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Insider transactions (Form 4 / 3 / 5)
Recent filings
| Filed | Form | Detail | |
|---|---|---|---|
| Jun 18, 2026 | 8-K | Entry into a Material Agreement; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jun 16, 2026 | 8-K | Entry into a Material Agreement; Unregistered Sale of Securities; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jun 9, 2026 | SCHEDULE 13G | ↗ | |
| Jun 4, 2026 | 8-K | Entry into a Material Agreement; Other Events; Financial Statements and Exhibits | ↗ |
| Jun 4, 2026 | 424B5 | 424B5 | ↗ |
| Jun 1, 2026 | 4 | 4 | ↗ |
| Jun 1, 2026 | 3 | ↗ | |
| Jun 1, 2026 | 8-K | Departure/Election of Directors or Officers; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| May 14, 2026 | 10-Q | 10-Q | ↗ |
| Apr 17, 2026 | 4 | 4 | ↗ |
| Apr 17, 2026 | 4 | 4 | ↗ |
| Apr 17, 2026 | 4 | 4 | ↗ |
| Apr 17, 2026 | 4 | 4 | ↗ |
| Apr 17, 2026 | 4 | 4 | ↗ |
| Apr 17, 2026 | 4 | 4 | ↗ |
| Apr 17, 2026 | 8-K | Departure/Election of Directors or Officers; Financial Statements and Exhibits | ↗ |
| Mar 31, 2026 | 10-K | 10-K | ↗ |
| Mar 20, 2026 | 8-K | Departure/Election of Directors or Officers; Financial Statements and Exhibits | ↗ |
| Mar 10, 2026 | 8-K | Entry into a Material Agreement; Financial Statements and Exhibits | ↗ |
| Feb 18, 2026 | 8-K | Entry into a Material Agreement; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Dec 31, 2025 | 8-K | Entry into a Material Agreement; Unregistered Sale of Securities; Financial Statements and Exhibits | ↗ |
| Dec 29, 2025 | 4 | 4 | ↗ |
| Dec 29, 2025 | 4 | 4 | ↗ |
| Dec 23, 2025 | 8-K | Entry into a Material Agreement; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Dec 22, 2025 | 8-K | Entry into a Material Agreement; Termination of a Material Agreement; Other Events; Financial Statements and Exhibits | ↗ |
| Dec 19, 2025 | 424B5 | 424B5 | ↗ |
| Dec 11, 2025 | 8-K | Item 5.07; Financial Statements and Exhibits | ↗ |
| Nov 28, 2025 | 25-NSE/A | ↗ | |
| Nov 25, 2025 | 8-K | Entry into a Material Agreement; Completion of Acquisition/Disposition; Unregistered Sale of Securities; Amendments to Bylaws/Charter; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Nov 12, 2025 | 10-Q | 10-Q | ↗ |
| Oct 28, 2025 | DEFA14A | DEFA14A | ↗ |
| Oct 27, 2025 | DEF 14A | DEF 14A | ↗ |
| Oct 16, 2025 | PRE 14A | PRE 14A | ↗ |
| Sep 11, 2025 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Sep 10, 2025 | 3 | ↗ | |
| Sep 4, 2025 | 4 | ↗ | |
| Sep 4, 2025 | 3 | ↗ | |
| Sep 4, 2025 | 3 | ↗ | |
| Sep 4, 2025 | 8-K | Departure/Election of Directors or Officers; Other Events; Financial Statements and Exhibits | ↗ |
| Aug 19, 2025 | 8-K | Other Events; Financial Statements and Exhibits | ↗ |