SLS - CIK 0001390478
SELLAS Life Sciences Group, Inc. has filed 1,262 documents with the SEC 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.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Securities registration | S-3 | 2020-08-14 | - |
| Major company event | 8-K | 2020-08-13 | 2020-08-13 |
| Quarterly report | 10-Q | 2020-08-13 | 2020-06-30 |
| Major company event | 8-K | 2020-08-04 | 2020-07-31 |
| EFFECT | - | 2020-06-11 | - |
| 424B3 | - | 2020-06-11 | - |
| Major company event | 8-K | 2020-06-11 | 2020-06-05 |
| Company correspondence | CORRESP | 2020-06-09 | - |
| SEC correspondence | UPLOAD | 2020-06-05 | - |
| Proxy materials | DEFA14A | 2020-06-03 | - |
| IPO registration | S-1 | 2020-05-29 | - |
| Major company event | 8-K | 2020-05-14 | 2020-05-14 |
| Quarterly report | 10-Q | 2020-05-14 | 2020-03-31 |
| Proxy materials | DEFA14A | 2020-04-24 | - |
| Proxy statement | DEF 14A | 2020-04-23 | 2020-06-09 |
| Insider trade | 4 | 2020-03-16 | 2020-03-12 |
| Insider trade | 4 | 2020-03-16 | 2020-03-12 |
| Insider trade | 4 | 2020-03-16 | 2020-03-12 |
| Insider trade | 4 | 2020-03-16 | 2020-03-12 |
| Insider trade | 4 | 2020-03-16 | 2020-03-12 |
| Insider trade | 4 | 2020-03-16 | 2020-03-12 |
| Insider trade | 4 | 2020-03-16 | 2020-03-12 |
| Major company event | 8-K | 2020-03-13 | 2020-03-13 |
| Annual report | 10-K | 2020-03-13 | 2019-12-31 |
| Employee stock plan | S-8 | 2020-03-13 | - |
| Passive ownership stake (update) | SC 13G/A | 2020-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2020-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2020-02-13 | - |
| Passive ownership stake (update) | SC 13G/A | 2020-02-13 | - |
| Passive ownership stake | SC 13G | 2020-01-17 | - |
| Prospectus supplement | 424B5 | 2020-01-10 | - |
| Major company event | 8-K | 2020-01-10 | 2020-01-08 |
| Major company event | 8-K | 2020-01-07 | 2020-01-02 |
| Major company event | 8-K | 2019-11-25 | 2019-11-25 |
| Major company event | 8-K | 2019-11-14 | 2019-11-14 |
| Quarterly report | 10-Q | 2019-11-14 | 2019-09-30 |
| Major company event | 8-K | 2019-11-06 | 2019-11-06 |
| Major company event | 8-K | 2019-10-31 | 2019-10-29 |
| Prospectus supplement | 424B5 | 2019-10-30 | - |
| EFFECT | - | 2019-10-11 | - |
| Company correspondence | CORRESP | 2019-10-09 | - |
| Company correspondence | CORRESP | 2019-10-04 | - |
| S-3/A | - | 2019-10-04 | - |
| SEC correspondence | UPLOAD | 2019-10-01 | - |
| Securities registration | S-3 | 2019-09-20 | - |
| Major company event | 8-K | 2019-09-10 | 2019-09-10 |
| Quarterly report | 10-Q | 2019-08-14 | 2019-06-30 |
| Major company event | 8-K | 2019-08-14 | 2019-08-14 |
| Proxy statement | DEF 14A | 2019-08-05 | 2019-09-10 |
| PRE 14A | - | 2019-07-26 | 2019-09-10 |