LeonaBio, Inc.
LONANasdaqCIK 1620463HealthcareFiscal year ends Dec 31
Reports and events: 108 filings
Newest first, by EDGAR acceptance time (Eastern). Each filing’s page lists its documents on sec.gov and, for 10-K and 10-Q reports, the extracted sections.
What the forms are: 10-K, 10-Q, 8-K, Form 4, DEF 14A, Schedule 13D, Schedule 13G, amendments, accession numbers.
| Filed | Form | What it is | Accession number |
|---|---|---|---|
| 2026-10-2815:37 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0001655566-26-000004 |
| 2026-10-2616:00 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0001193125-26-431897 |
| 2026-09-2216:20 ET | 8-K | 8.01 Other events | 0001193125-26-397952 |
| 2026-08-3116:31 ET | SCHEDULE 13D | Ownership report, active investor | 0001655566-26-000003 |
| 2026-08-2616:05 ET | 8-K | 8.01 Other events | 0001193125-26-368288 |
| 2026-08-2516:00 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0001193125-26-365096 |
| 2026-08-1416:10 ET | 10-Q | Quarterly reportPeriod 2026-06-30 | 0001193125-26-352243 |
| 2026-08-1416:07 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-352208 |
| 2026-06-2316:05 ET | 8-K | 5.07 Shareholder vote results | 0001193125-26-279425 |
| 2026-05-1116:45 ET | DEF 14A | Proxy statementPeriod 2026-06-22 | 0001193125-26-216742 |
| 2026-05-0716:19 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0001193125-26-212047 |
| 2026-05-0716:10 ET | 10-Q | Quarterly reportPeriod 2026-03-31 | 0001193125-26-211898 |
| 2026-05-0716:05 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-211867 |
| 2026-03-3117:07 ET | S-1/A | Registration statement, amended | 0001193125-26-134904 |
| 2026-03-3116:59 ET | S-1/A | Registration statement, amended | 0001193125-26-134866 |
| 2026-03-3116:11 ET | 10-K | Annual reportPeriod 2025-12-31 | 0001193125-26-134565 |
| 2026-03-3114:20 ET | 8-K/A | 2.01 Completion of an acquisition or disposition; 9.01 Financial statements and exhibits | 0001193125-26-134097 |
| 2026-03-2617:10 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-126579 |
| 2026-03-1916:50 ET | 8-K | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-116123 |
| 2026-02-2316:05 ET | DEF 14A | Proxy statementPeriod 2026-03-18 | 0001193125-26-063952 |
| 2026-01-1616:46 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0001193125-26-015471 |
| 2026-01-0916:05 ET | 8-K | 5.02 Departure or appointment of officers or directors; 5.03 Amendment to articles or bylaws; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-008904 |
| 2025-12-2317:16 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0001193125-25-331145 |
| 2025-12-2216:30 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0001193125-25-328818 |
| 2025-12-1808:24 ET | 8-K/A | 1.01 Entry into a material agreement; 3.02 Unregistered sale of equity; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-323786 |
| 2025-12-1807:16 ET | 8-K | 1.01 Entry into a material agreement; 3.02 Unregistered sale of equity; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-323692 |
| 2025-11-0616:13 ET | 10-Q | Quarterly reportPeriod 2025-09-30 | 0001193125-25-269544 |
| 2025-11-0616:09 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-269506 |
| 2025-10-0309:11 ET | 8-K | 8.01 Other events | 0001193125-25-229293 |
| 2025-09-1109:00 ET | 8-K | 3.03 Change to security holders’ rights; 5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits | 0000950170-25-114093 |
| 2025-08-0716:17 ET | 10-Q | Quarterly reportPeriod 2025-06-30 | 0000950170-25-105052 |
| 2025-08-0716:11 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-25-105029 |
| 2025-06-0216:05 ET | 8-K | 5.07 Shareholder vote results | 0000950170-25-080234 |
| 2025-05-0916:15 ET | 10-Q | Quarterly reportPeriod 2025-03-31 | 0000950170-25-068040 |
| 2025-05-0916:10 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-25-068020 |
| 2025-04-1616:05 ET | 8-K | 3.01 Delisting notice | 0000950170-25-054707 |
| 2025-04-1416:30 ET | DEF 14A | Proxy statementPeriod 2025-05-29 | 0001140361-25-013769 |
| 2025-02-2716:15 ET | 10-K | Annual reportPeriod 2024-12-31 | 0000950170-25-029069 |
| 2025-02-2716:10 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-25-029038 |
| 2024-11-0716:15 ET | 10-Q | Quarterly reportPeriod 2024-09-30 | 0000950170-24-123372 |
| 2024-11-0716:10 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-24-123324 |
| 2024-10-3116:16 ET | SC 13D/A | Ownership report, active investor, amended | 0001193125-24-248699 |
| 2024-10-1816:02 ET | 8-K | 3.01 Delisting notice; 8.01 Other events | 0000950170-24-115592 |
| 2024-10-0716:05 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-24-113210 |
| 2024-09-1709:00 ET | 8-K | 2.05 Exit or disposal costs; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-24-107031 |
| 2024-09-0316:01 ET | 8-K | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0000950170-24-102788 |
| 2024-08-0916:05 ET | 10-Q/A | Quarterly report, amendedPeriod 2024-06-30 | 0000950170-24-094738 |
| 2024-08-0116:15 ET | 10-Q | Quarterly reportPeriod 2024-06-30 | 0000950170-24-089304 |
| 2024-08-0116:10 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-24-089281 |
| 2024-05-2916:05 ET | 8-K | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000950170-24-065914 |
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 29, 2026, 04:30 ET. Listed shows no prices and gives no investment advice.