# LeonaBio, Inc.: filings

LONA · Nasdaq · CIK 1620463 · [Healthcare](/sectors/healthcare.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/lona.md) · [Financials](/companies/lona/financials.md) · [Filings](/companies/lona/filings.md) · [Insiders](/companies/lona/insiders.md)

## Reports and events: 108 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 177, 8-K 56, 3 24, DEFA14A 20, 10-Q 18, CORRESP 14, DFAN14A 11, 144 10, SC 13G/A 10, UPLOAD 9, 4/A 8, S-8 8, SC 13G 8, SCHEDULE 13D/A 7, SCHEDULE 13G/A 7, 10-K 6, D/A 6, DEF 14A 6, EFFECT 6, S-1/A 5, ARS 4, D 4, S-3 4, SCHEDULE 13G 4, PRE 14A 3, PREC14A 3, SC 13D/A 3, 424B3 2, 424B4 2, 8-K/A 2, DEFC14A 2, DRS 2, S-1 2, SEC STAFF LETTER 2, 10-Q/A 1, 3/A 1, 424B5 1, 5 1, 8-A12B 1, CERT 1, DEFR14A 1, DRSLTR 1, S-1MEF 1, SC 13D 1, SCHEDULE 13D 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-28 | 15:37 ET | [SCHEDULE 13D/A](/filings/0001655566-26-000004.md) | Ownership report, active investor, amended | 0001655566-26-000004 |
| 2026-10-26 | 16:00 ET | [SCHEDULE 13D/A](/filings/0001193125-26-431897.md) | Ownership report, active investor, amended | 0001193125-26-431897 |
| 2026-09-22 | 16:20 ET | [8-K](/filings/0001193125-26-397952.md) | 8.01 Other events | 0001193125-26-397952 |
| 2026-08-31 | 16:31 ET | [SCHEDULE 13D](/filings/0001655566-26-000003.md) | Ownership report, active investor | 0001655566-26-000003 |
| 2026-08-26 | 16:05 ET | [8-K](/filings/0001193125-26-368288.md) | 8.01 Other events | 0001193125-26-368288 |
| 2026-08-25 | 16:00 ET | [SCHEDULE 13D/A](/filings/0001193125-26-365096.md) | Ownership report, active investor, amended | 0001193125-26-365096 |
| 2026-08-14 | 16:10 ET | [10-Q](/filings/0001193125-26-352243.md) | Quarterly report, period 2026-06-30 | 0001193125-26-352243 |
| 2026-08-14 | 16:07 ET | [8-K](/filings/0001193125-26-352208.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-352208 |
| 2026-06-23 | 16:05 ET | [8-K](/filings/0001193125-26-279425.md) | 5.07 Shareholder vote results | 0001193125-26-279425 |
| 2026-05-11 | 16:45 ET | [DEF 14A](/filings/0001193125-26-216742.md) | Proxy statement, period 2026-06-22 | 0001193125-26-216742 |
| 2026-05-07 | 16:19 ET | [SCHEDULE 13D/A](/filings/0001193125-26-212047.md) | Ownership report, active investor, amended | 0001193125-26-212047 |
| 2026-05-07 | 16:10 ET | [10-Q](/filings/0001193125-26-211898.md) | Quarterly report, period 2026-03-31 | 0001193125-26-211898 |
| 2026-05-07 | 16:05 ET | [8-K](/filings/0001193125-26-211867.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-211867 |
| 2026-03-31 | 17:07 ET | [S-1/A](/filings/0001193125-26-134904.md) | Registration statement, amended | 0001193125-26-134904 |
| 2026-03-31 | 16:59 ET | [S-1/A](/filings/0001193125-26-134866.md) | Registration statement, amended | 0001193125-26-134866 |
| 2026-03-31 | 16:11 ET | [10-K](/filings/0001193125-26-134565.md) | Annual report, period 2025-12-31 | 0001193125-26-134565 |
| 2026-03-31 | 14:20 ET | [8-K/A](/filings/0001193125-26-134097.md) | 2.01 Completion of an acquisition or disposition; 9.01 Financial statements and exhibits | 0001193125-26-134097 |
| 2026-03-26 | 17:10 ET | [8-K](/filings/0001193125-26-126579.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-126579 |
| 2026-03-19 | 16:50 ET | [8-K](/filings/0001193125-26-116123.md) | 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 |
| 2026-02-23 | 16:05 ET | [DEF 14A](/filings/0001193125-26-063952.md) | Proxy statement, period 2026-03-18 | 0001193125-26-063952 |
| 2026-01-16 | 16:46 ET | [SCHEDULE 13D/A](/filings/0001193125-26-015471.md) | Ownership report, active investor, amended | 0001193125-26-015471 |
| 2026-01-09 | 16:05 ET | [8-K](/filings/0001193125-26-008904.md) | 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 |
| 2025-12-23 | 17:16 ET | [SCHEDULE 13D/A](/filings/0001193125-25-331145.md) | Ownership report, active investor, amended | 0001193125-25-331145 |
| 2025-12-22 | 16:30 ET | [SCHEDULE 13D/A](/filings/0001193125-25-328818.md) | Ownership report, active investor, amended | 0001193125-25-328818 |
| 2025-12-18 | 08:24 ET | [8-K/A](/filings/0001193125-25-323786.md) | 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 |
| 2025-12-18 | 07:16 ET | [8-K](/filings/0001193125-25-323692.md) | 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 |
| 2025-11-06 | 16:13 ET | [10-Q](/filings/0001193125-25-269544.md) | Quarterly report, period 2025-09-30 | 0001193125-25-269544 |
| 2025-11-06 | 16:09 ET | [8-K](/filings/0001193125-25-269506.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-269506 |
| 2025-10-03 | 09:11 ET | [8-K](/filings/0001193125-25-229293.md) | 8.01 Other events | 0001193125-25-229293 |
| 2025-09-11 | 09:00 ET | [8-K](/filings/0000950170-25-114093.md) | 3.03 Change to security holders’ rights; 5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits | 0000950170-25-114093 |
| 2025-08-07 | 16:17 ET | [10-Q](/filings/0000950170-25-105052.md) | Quarterly report, period 2025-06-30 | 0000950170-25-105052 |
| 2025-08-07 | 16:11 ET | [8-K](/filings/0000950170-25-105029.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-25-105029 |
| 2025-06-02 | 16:05 ET | [8-K](/filings/0000950170-25-080234.md) | 5.07 Shareholder vote results | 0000950170-25-080234 |
| 2025-05-09 | 16:15 ET | [10-Q](/filings/0000950170-25-068040.md) | Quarterly report, period 2025-03-31 | 0000950170-25-068040 |
| 2025-05-09 | 16:10 ET | [8-K](/filings/0000950170-25-068020.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-25-068020 |
| 2025-04-16 | 16:05 ET | [8-K](/filings/0000950170-25-054707.md) | 3.01 Delisting notice | 0000950170-25-054707 |
| 2025-04-14 | 16:30 ET | [DEF 14A](/filings/0001140361-25-013769.md) | Proxy statement, period 2025-05-29 | 0001140361-25-013769 |
| 2025-02-27 | 16:15 ET | [10-K](/filings/0000950170-25-029069.md) | Annual report, period 2024-12-31 | 0000950170-25-029069 |
| 2025-02-27 | 16:10 ET | [8-K](/filings/0000950170-25-029038.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-25-029038 |
| 2024-11-07 | 16:15 ET | [10-Q](/filings/0000950170-24-123372.md) | Quarterly report, period 2024-09-30 | 0000950170-24-123372 |
| 2024-11-07 | 16:10 ET | [8-K](/filings/0000950170-24-123324.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-24-123324 |
| 2024-10-31 | 16:16 ET | [SC 13D/A](/filings/0001193125-24-248699.md) | Ownership report, active investor, amended | 0001193125-24-248699 |
| 2024-10-18 | 16:02 ET | [8-K](/filings/0000950170-24-115592.md) | 3.01 Delisting notice; 8.01 Other events | 0000950170-24-115592 |
| 2024-10-07 | 16:05 ET | [8-K](/filings/0000950170-24-113210.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-24-113210 |
| 2024-09-17 | 09:00 ET | [8-K](/filings/0000950170-24-107031.md) | 2.05 Exit or disposal costs; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-24-107031 |
| 2024-09-03 | 16:01 ET | [8-K](/filings/0000950170-24-102788.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0000950170-24-102788 |
| 2024-08-09 | 16:05 ET | [10-Q/A](/filings/0000950170-24-094738.md) | Quarterly report, amended, period 2024-06-30 | 0000950170-24-094738 |
| 2024-08-01 | 16:15 ET | [10-Q](/filings/0000950170-24-089304.md) | Quarterly report, period 2024-06-30 | 0000950170-24-089304 |
| 2024-08-01 | 16:10 ET | [8-K](/filings/0000950170-24-089281.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-24-089281 |
| 2024-05-29 | 16:05 ET | [8-K](/filings/0000950170-24-065914.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000950170-24-065914 |

Page 1 of 3. [Older](/companies/lona/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 29, 2026, 04:30 ET. No prices; not investment advice.