SLS - Company ID 0001390478
SELLAS Life Sciences Group, Inc. has filed 1,262 public company documents between 2007 and 2026. The most frequent type is insider trade (377 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Type | Filing | Filed | Period covered | Open |
|---|---|---|---|---|
| 8-K | Major company event | 1mo ago2026-05-12 | 2026-05-12 | View filing |
| 10-Q | Quarterly report | 1mo ago2026-05-12 | 2026-03-31 | View filing |
| SCHEDULE 13G/A | SCHEDULE 13G/A | 2mo ago2026-04-24 | - | View filing |
| ARS | Annual report to shareholders | 2mo ago2026-04-23 | 2025-12-31 | View filing |
| DEFA14A | Proxy materials | 2mo ago2026-04-23 | - | View filing |
| DEF 14A | Proxy statement | 2mo ago2026-04-23 | 2026-06-16 | View filing |
| SCHEDULE 13G/A | SCHEDULE 13G/A | 3mo ago2026-03-27 | - | View filing |
| S-3ASR | S-3ASR | 3mo ago2026-03-20 | - | View filing |
| 8-K | Major company event | 3mo ago2026-03-19 | 2026-03-19 | View filing |
| 10-K | Annual report | 3mo ago2026-03-19 | 2025-12-31 | View filing |
| 8-K | Major company event | 4mo ago2026-03-11 | 2026-03-11 | View filing |
| SCHEDULE 13G/A | SCHEDULE 13G/A | 4mo ago2026-02-17 | - | View filing |
| SCHEDULE 13G/A | SCHEDULE 13G/A | 5mo ago2026-01-30 | - | View filing |
| 4 | Insider trade | 6mo ago2026-01-09 | 2026-01-07 | View filing |
| 4 | Insider trade | 6mo ago2026-01-09 | 2026-01-07 | View filing |
| 4 | Insider trade | 6mo ago2026-01-09 | 2026-01-07 | View filing |
| 4 | Insider trade | 6mo ago2026-01-09 | 2026-01-07 | View filing |
| 4 | Insider trade | 6mo ago2026-01-09 | 2026-01-07 | View filing |
| 4 | Insider trade | 6mo ago2026-01-09 | 2026-01-07 | View filing |
| 4 | Insider trade | 6mo ago2026-01-09 | 2026-01-07 | View filing |
| 8-K | Major company event | 6mo ago2026-01-08 | 2026-01-07 | View filing |
| 4 | Insider trade | 7mo ago2025-12-05 | 2025-12-03 | View filing |
| 4 | Insider trade | 7mo ago2025-12-05 | 2025-12-03 | View filing |
| 4 | Insider trade | 7mo ago2025-12-05 | 2025-12-03 | View filing |
| EFFECT | EFFECT | 7mo ago2025-11-25 | - | View filing |
| CORRESP | Company correspondence | 7mo ago2025-11-21 | - | View filing |
| 4 | Insider trade | 7mo ago2025-11-21 | 2025-11-19 | View filing |
| SCHEDULE 13G | SCHEDULE 13G | 7mo ago2025-11-14 | - | View filing |
| 8-K | Major company event | 8mo ago2025-11-12 | 2025-11-12 | View filing |
| 10-Q | Quarterly report | 8mo ago2025-11-12 | 2025-09-30 | View filing |
| 424B5 | Prospectus supplement | 8mo ago2025-10-27 | - | View filing |
| 8-K | Major company event | 8mo ago2025-10-27 | 2025-10-24 | View filing |
| SCHEDULE 13G | SCHEDULE 13G | 8mo ago2025-10-17 | - | View filing |
| S-3 | Securities registration | 9mo ago2025-10-10 | - | View filing |
| 8-K | Major company event | 9mo ago2025-10-03 | 2025-10-01 | View filing |
| 8-K | Major company event | 10mo ago2025-09-11 | 2025-09-10 | View filing |
| SCHEDULE 13G/A | SCHEDULE 13G/A | 11mo ago2025-08-14 | - | View filing |
| 8-K | Major company event | 11mo ago2025-08-12 | 2025-08-12 | View filing |
| 10-Q | Quarterly report | 11mo ago2025-08-12 | 2025-06-30 | View filing |
| S-8 | Employee stock plan | 11mo ago2025-08-12 | - | View filing |
| SCHEDULE 13G | SCHEDULE 13G | 11mo ago2025-07-29 | - | View filing |
| 8-K | Major company event | 1y ago2025-06-18 | 2025-06-17 | View filing |
| 4 | Insider trade | 1y ago2025-06-13 | 2025-06-12 | View filing |
| DEFA14A | Proxy materials | 1y ago2025-06-10 | - | View filing |
| 8-K | Major company event | 1y ago2025-06-06 | 2025-06-03 | View filing |
| 4 | Insider trade | 1y ago2025-06-02 | 2025-05-30 | View filing |
| 4 | Insider trade | 1y ago2025-05-22 | 2025-05-22 | View filing |
| SCHEDULE 13G | SCHEDULE 13G | 1y ago2025-05-15 | - | View filing |
| 8-K | Major company event | 1y ago2025-05-13 | 2025-05-13 | View filing |
| 10-Q | Quarterly report | 1y ago2025-05-13 | 2025-03-31 | View filing |