ATOS - CIK 0001488039
ATOSSA THERAPEUTICS, INC. has filed 634 documents with the SEC between 2010 and 2026. The most frequent type is major company event (168 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 |
|---|---|---|---|
| Major company event | 8-K | 2018-05-17 | 2018-05-14 |
| Free writing prospectus | FWP | 2018-05-16 | - |
| Quarterly report | 10-Q | 2018-05-14 | 2018-03-31 |
| 424B4 | - | 2018-05-10 | - |
| EFFECT | - | 2018-05-09 | - |
| Company correspondence | CORRESP | 2018-05-07 | - |
| Company correspondence | CORRESP | 2018-05-07 | - |
| Company correspondence | CORRESP | 2018-05-03 | - |
| S-1/A | - | 2018-05-03 | - |
| Passive ownership stake | SC 13G | 2018-04-27 | - |
| SEC correspondence | UPLOAD | 2018-04-25 | - |
| Company correspondence | CORRESP | 2018-04-23 | - |
| S-1/A | - | 2018-04-23 | - |
| Major company event | 8-K | 2018-04-23 | 2018-04-19 |
| Major company event | 8-K | 2018-04-17 | 2018-04-12 |
| Proxy materials | DEFA14A | 2018-04-16 | - |
| SEC correspondence | UPLOAD | 2018-04-06 | - |
| Proxy materials | DEFA14A | 2018-04-02 | - |
| IPO registration | S-1 | 2018-03-27 | - |
| Proxy statement | DEF 14A | 2018-03-20 | 2018-04-12 |
| PRE 14A | - | 2018-03-08 | 2018-03-08 |
| Annual report | 10-K | 2018-03-08 | 2017-12-31 |
| Major company event | 8-K | 2018-03-08 | 2018-03-08 |
| Major company event | 8-K | 2018-02-21 | 2018-02-21 |
| Passive ownership stake (update) | SC 13G/A | 2018-02-14 | - |
| Major company event | 8-K | 2018-02-01 | 2018-02-01 |
| Passive ownership stake (update) | SC 13G/A | 2018-01-19 | - |
| Major company event | 8-K | 2017-12-22 | 2017-12-20 |
| Prospectus supplement | 424B5 | 2017-12-21 | - |
| Insider trade | 4 | 2017-11-16 | 2017-11-15 |
| Major company event | 8-K | 2017-11-14 | 2017-11-14 |
| Quarterly report | 10-Q | 2017-11-13 | 2017-09-30 |
| Passive ownership stake | SC 13G | 2017-11-09 | - |
| Passive ownership stake (update) | SC 13G/A | 2017-11-03 | - |
| Passive ownership stake | SC 13G | 2017-11-03 | - |
| Passive ownership stake | SC 13G | 2017-10-31 | - |
| Major company event | 8-K | 2017-10-30 | 2017-10-26 |
| 424B3 | - | 2017-10-27 | - |
| 424B3 | - | 2017-10-26 | - |
| Major company event | 8-K | 2017-10-25 | 2017-10-25 |
| EFFECT | - | 2017-10-05 | - |
| Company correspondence | CORRESP | 2017-10-03 | - |
| SEC correspondence | UPLOAD | 2017-10-03 | - |
| Securities registration | S-3 | 2017-09-22 | - |
| Major company event | 8-K | 2017-09-14 | 2017-09-14 |
| Quarterly report | 10-Q | 2017-08-14 | 2017-06-30 |
| Major company event | 8-K | 2017-08-14 | 2017-08-14 |
| 424B3 | - | 2017-07-03 | - |
| Major company event | 8-K | 2017-06-30 | 2017-06-29 |
| Major company event | 8-K | 2017-06-02 | 2017-05-31 |