LeonaBio SEC Filings
NASDAQ: LONAHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
5.750.00 (0.00%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
LeonaBio filing overview
This page lists 60 recent SEC filings by LeonaBio (LONA), including 34 4, 8 8-K, 3 SCHEDULE 13D/A, 3 SCHEDULE 13G/A. The latest annual report (10-K) was filed on Mar 31, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 14, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Sep 22, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
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LONA SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Sep 22, 2026 | 8-K | Other Events | View on EDGAR |
| Aug 31, 2026 | SCHEDULE 13D | Beneficial ownership report (activist) | View on EDGAR |
| Aug 26, 2026 | 8-K | Other Events | View on EDGAR |
| Aug 25, 2026 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| Aug 20, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Aug 14, 2026 | 8-K | Results of Operations and Financial Condition; Regulation FD Disclosure | View on EDGAR |
| Aug 14, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Jul 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 9, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 24, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 24, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 24, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 24, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 24, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 24, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 24, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 24, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 24, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 23, 2026 | 8-K | Submission of Matters to a Vote of Security Holders | View on EDGAR |
| May 15, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| May 11, 2026 | DEF 14A | Definitive proxy statement | View on EDGAR |
| May 7, 2026 | 8-K | Results of Operations and Financial Condition; Regulation FD Disclosure | View on EDGAR |
| May 7, 2026 | 10-Q | Quarterly report | View on EDGAR |
| May 7, 2026 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| May 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 2, 2026 | 424B3 | Prospectus | View on EDGAR |
| Apr 2, 2026 | 424B3 | Prospectus | View on EDGAR |
| Mar 31, 2026 | 8-K/A | Amended: Completion of Acquisition or Disposition of Assets | View on EDGAR |
| Mar 31, 2026 | 10-K | Annual report | View on EDGAR |
| Mar 31, 2026 | S-1/A | Registration statement (amendment) | View on EDGAR |
| Mar 31, 2026 | S-1/A | Registration statement (amendment) | View on EDGAR |
| Mar 26, 2026 | 8-K | Results of Operations and Financial Condition; Regulation FD Disclosure | View on EDGAR |
| Mar 19, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Submission of Matters to a Vote of Security Holders; Other Events | View on EDGAR |
| Mar 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Feb 6, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Jan 16, 2026 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| Jan 9, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year; Regulation FD Disclosure; Other Events | View on EDGAR |
| Jan 8, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |