SELLAS Life Sciences Group, Inc.
SLSNasdaqCIK 1390478HealthcareFiscal year ends Dec 31
Reports and events: 417 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 |
|---|---|---|---|
| 2026-08-1116:07 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001390478-26-000013 |
| 2026-08-1116:01 ET | 10-Q | Quarterly reportPeriod 2026-06-30 | 0001390478-26-000012 |
| 2026-07-2716:35 ET | 8-K | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-087110 |
| 2026-06-2508:30 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001104659-26-077556 |
| 2026-06-1816:30 ET | 8-K | 5.07 Shareholder vote results | 0001104659-26-075775 |
| 2026-06-0208:30 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-069251 |
| 2026-05-1216:07 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001390478-26-000009 |
| 2026-05-1216:01 ET | 10-Q | Quarterly reportPeriod 2026-03-31 | 0001390478-26-000008 |
| 2026-04-2316:09 ET | DEF 14A | Proxy statementPeriod 2026-06-16 | 0001104659-26-047693 |
| 2026-03-1916:08 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001390478-26-000004 |
| 2026-03-1916:00 ET | 10-K | Annual reportPeriod 2025-12-31 | 0001390478-26-000003 |
| 2026-03-1116:06 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-026384 |
| 2026-01-0808:30 ET | 8-K | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-001957 |
| 2025-11-1216:08 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001390478-25-000021 |
| 2025-11-1216:01 ET | 10-Q | Quarterly reportPeriod 2025-09-30 | 0001390478-25-000020 |
| 2025-10-2708:35 ET | 8-K | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-25-102345 |
| 2025-10-0316:05 ET | 8-K | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001104659-25-096643 |
| 2025-09-1108:40 ET | 8-K | 1.01 Entry into a material agreement; 3.02 Unregistered sale of equity; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-25-089272 |
| 2025-08-1216:07 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001390478-25-000017 |
| 2025-08-1216:00 ET | 10-Q | Quarterly reportPeriod 2025-06-30 | 0001390478-25-000016 |
| 2025-06-1817:11 ET | 8-K | 5.07 Shareholder vote results | 0001104659-25-060704 |
| 2025-06-0616:05 ET | 8-K | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0001104659-25-057308 |
| 2025-05-1316:07 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001390478-25-000009 |
| 2025-05-1316:01 ET | 10-Q | Quarterly reportPeriod 2025-03-31 | 0001390478-25-000008 |
| 2025-04-2316:30 ET | DEF 14A | Proxy statementPeriod 2025-06-17 | 0001104659-25-038039 |
| 2025-03-2016:07 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001390478-25-000004 |
| 2025-03-2016:01 ET | 10-K | Annual reportPeriod 2024-12-31 | 0001390478-25-000003 |
| 2025-01-2909:14 ET | 8-K | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-25-007049 |
| 2025-01-2316:42 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-005648 |
| 2025-01-1616:11 ET | 8-K | 5.02 Departure or appointment of officers or directors | 0001104659-25-004107 |
| 2024-12-1016:45 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-24-127231 |
| 2024-11-1316:17 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001390478-24-000022 |
| 2024-11-1316:01 ET | 10-Q | Quarterly reportPeriod 2024-09-30 | 0001390478-24-000021 |
| 2024-10-0416:06 ET | 8-K | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001104659-24-106261 |
| 2024-08-1316:12 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001390478-24-000016 |
| 2024-08-1316:01 ET | 10-Q | Quarterly reportPeriod 2024-06-30 | 0001390478-24-000015 |
| 2024-08-0116:42 ET | 8-K | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-24-084952 |
| 2024-06-2116:26 ET | 8-K | 5.07 Shareholder vote results | 0001104659-24-073957 |
| 2024-05-1416:06 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001390478-24-000011 |
| 2024-05-1416:01 ET | 10-Q | Quarterly reportPeriod 2024-03-31 | 0001390478-24-000010 |
| 2024-04-2916:05 ET | DEF 14A | Proxy statementPeriod 2024-06-20 | 0001104659-24-054004 |
| 2024-03-2816:08 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001390478-24-000005 |
| 2024-03-2816:01 ET | 10-K | Annual reportPeriod 2023-12-31 | 0001390478-24-000004 |
| 2024-03-2808:45 ET | 8-K | 8.01 Other events | 0001104659-24-040176 |
| 2024-03-1516:29 ET | 8-K | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-24-035028 |
| 2024-03-1116:05 ET | 8-K | 8.01 Other events | 0001104659-24-032964 |
| 2024-03-0816:05 ET | 8-K | 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-24-032384 |
| 2024-03-0516:01 ET | 8-K | 8.01 Other events | 0001104659-24-030997 |
| 2024-02-1616:05 ET | 8-K | 3.01 Delisting notice | 0001104659-24-024898 |
| 2024-01-0817:07 ET | 8-K | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-24-002295 |
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 27, 2026, 17:29 ET. Listed shows no prices and gives no investment advice.